Addons.php
7 years ago
Admin.php
7 years ago
Ajax.php
7 years ago
Assets.php
7 years ago
Course.php
7 years ago
Gutenberg.php
7 years ago
Instructor.php
7 years ago
Instructors_List.php
7 years ago
Lesson.php
7 years ago
Options.php
7 years ago
Post_types.php
7 years ago
Q_and_A.php
7 years ago
Question.php
7 years ago
Question_Answers_List.php
7 years ago
Quiz.php
7 years ago
Quiz_Attempts_List.php
7 years ago
Rewrite_Rules.php
7 years ago
Shortcode.php
7 years ago
Student.php
7 years ago
Students_List.php
7 years ago
Template.php
7 years ago
Theme_Compatibility.php
7 years ago
Tools.php
7 years ago
Tutor_Base.php
7 years ago
Tutor_List_Table.php
7 years ago
User.php
7 years ago
Utils.php
7 years ago
Video_Stream.php
7 years ago
init.php
7 years ago
Utils.php
3671 lines
| 1 | <?php |
| 2 | namespace TUTOR; |
| 3 | |
| 4 | if ( ! defined( 'ABSPATH' ) ) |
| 5 | exit; |
| 6 | |
| 7 | |
| 8 | class Utils { |
| 9 | /** |
| 10 | * @param null $key |
| 11 | * @param bool $default |
| 12 | * |
| 13 | * @return array|bool|mixed |
| 14 | * |
| 15 | * Get option data |
| 16 | * |
| 17 | * @since v.1.0.0 |
| 18 | */ |
| 19 | public function get_option($key = null, $default = false){ |
| 20 | $option = (array) maybe_unserialize(get_option('tutor_option')); |
| 21 | |
| 22 | if (empty($option) || ! is_array($option)){ |
| 23 | return $default; |
| 24 | } |
| 25 | if ( ! $key){ |
| 26 | return $option; |
| 27 | } |
| 28 | if (array_key_exists($key, $option)){ |
| 29 | return apply_filters($key, $option[$key]); |
| 30 | } |
| 31 | //Access array value via dot notation, such as option->get('value.subvalue') |
| 32 | if (strpos($key, '.')){ |
| 33 | $option_key_array = explode('.', $key); |
| 34 | |
| 35 | $new_option = $option; |
| 36 | foreach ($option_key_array as $dotKey){ |
| 37 | if (isset($new_option[$dotKey])){ |
| 38 | $new_option = $new_option[$dotKey]; |
| 39 | }else{ |
| 40 | return $default; |
| 41 | } |
| 42 | } |
| 43 | return apply_filters($key, $new_option); |
| 44 | } |
| 45 | |
| 46 | return $default; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * @param null $key |
| 51 | * @param bool $value |
| 52 | * |
| 53 | * Update Option |
| 54 | * |
| 55 | * @since v.1.0.0 |
| 56 | */ |
| 57 | |
| 58 | public function update_option($key = null, $value = false){ |
| 59 | $option = (array) maybe_unserialize(get_option('tutor_option')); |
| 60 | $option[$key] = $value; |
| 61 | update_option('tutor_option', $option); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @param null $key |
| 66 | * @param array $array |
| 67 | * |
| 68 | * @return array|bool|mixed |
| 69 | * |
| 70 | * get array value by dot notation |
| 71 | * |
| 72 | * @since v.1.0.0 |
| 73 | * |
| 74 | */ |
| 75 | |
| 76 | public function avalue_dot($key = null, $array = array()){ |
| 77 | $array = (array) $array; |
| 78 | if ( ! $key || ! count($array) ){ |
| 79 | return false; |
| 80 | } |
| 81 | $option_key_array = explode('.', $key); |
| 82 | |
| 83 | $value = $array; |
| 84 | |
| 85 | foreach ($option_key_array as $dotKey){ |
| 86 | if (isset($value[$dotKey])){ |
| 87 | $value = $value[$dotKey]; |
| 88 | }else{ |
| 89 | return false; |
| 90 | } |
| 91 | } |
| 92 | return $value; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * @return array |
| 97 | * |
| 98 | * Get all pages |
| 99 | * |
| 100 | * @since v.1.0.0 |
| 101 | */ |
| 102 | public function get_pages(){ |
| 103 | $pages = array(); |
| 104 | $wp_pages = get_pages(); |
| 105 | if (is_array($wp_pages) && count($wp_pages)){ |
| 106 | foreach ($wp_pages as $page){ |
| 107 | $pages[$page->ID] = $page->post_title; |
| 108 | } |
| 109 | } |
| 110 | return $pages; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * @return string |
| 115 | * |
| 116 | * Get course archive URL |
| 117 | * |
| 118 | * @since v.1.0.0 |
| 119 | */ |
| 120 | public function course_archive_page_url(){ |
| 121 | $course_post_type = tutor()->course_post_type; |
| 122 | $course_page_url = trailingslashit(home_url()).$course_post_type; |
| 123 | |
| 124 | $course_archive_page = $this->get_option('course_archive_page'); |
| 125 | if ($course_archive_page && $course_archive_page !== '-1'){ |
| 126 | $course_page_url = get_permalink($course_archive_page); |
| 127 | } |
| 128 | return trailingslashit($course_page_url); |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * @param int $student_id |
| 133 | * |
| 134 | * @return string |
| 135 | * |
| 136 | * Get student URL |
| 137 | * |
| 138 | * @since v.1.0.0 |
| 139 | */ |
| 140 | |
| 141 | public function profile_url($student_id = 0){ |
| 142 | $site_url = trailingslashit(home_url()).'profile/'; |
| 143 | $user_name = ''; |
| 144 | |
| 145 | $student_id = $this->get_user_id($student_id); |
| 146 | if ($student_id){ |
| 147 | global $wpdb; |
| 148 | $user = $wpdb->get_row("SELECT user_login from {$wpdb->users} WHERE ID = {$student_id} "); |
| 149 | if ($user){ |
| 150 | $user_name = $user->user_login; |
| 151 | } |
| 152 | }else{ |
| 153 | $user_name = 'user_name'; |
| 154 | } |
| 155 | |
| 156 | return $site_url.$user_name; |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * @param string $user_login |
| 161 | * |
| 162 | * @return array|null|object |
| 163 | * |
| 164 | * Get user by user login |
| 165 | * |
| 166 | * @since v.1.0.0 |
| 167 | */ |
| 168 | public function get_user_by_login($user_login = ''){ |
| 169 | global $wpdb; |
| 170 | $user_login = sanitize_text_field($user_login); |
| 171 | $user = $wpdb->get_row("SELECT * from {$wpdb->users} WHERE user_login = '{$user_login}'"); |
| 172 | return $user; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * @return bool |
| 177 | * |
| 178 | * Check if WooCommerce Activated |
| 179 | * |
| 180 | * @since v.1.0.0 |
| 181 | */ |
| 182 | |
| 183 | public function has_wc(){ |
| 184 | $activated_plugins = apply_filters( 'active_plugins', get_option( 'active_plugins' )); |
| 185 | //$depends = array('woocommerce/woocommerce.php', 'tutor-woocommerce/tutor-woocommerce.php'); |
| 186 | $depends = array('woocommerce/woocommerce.php'); |
| 187 | $has = count(array_intersect($depends, $activated_plugins)) == count($depends); |
| 188 | |
| 189 | return $has; |
| 190 | } |
| 191 | |
| 192 | /** |
| 193 | * @return bool |
| 194 | * |
| 195 | * determine if EDD plugin activated |
| 196 | * |
| 197 | * @since v.1.0.0 |
| 198 | */ |
| 199 | public function has_edd(){ |
| 200 | $activated_plugins = apply_filters( 'active_plugins', get_option( 'active_plugins' )); |
| 201 | //$depends = array('easy-digital-downloads/easy-digital-downloads.php', 'tutor-edd/tutor-edd.php'); |
| 202 | $depends = array('easy-digital-downloads/easy-digital-downloads.php'); |
| 203 | $has = count(array_intersect($depends, $activated_plugins)) == count($depends); |
| 204 | |
| 205 | return $has; |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * @return mixed |
| 210 | * |
| 211 | * @since v.1.0.0 |
| 212 | */ |
| 213 | public function languages(){ |
| 214 | $language_codes = array( |
| 215 | 'en' => 'English' , |
| 216 | 'aa' => 'Afar' , |
| 217 | 'ab' => 'Abkhazian' , |
| 218 | 'af' => 'Afrikaans' , |
| 219 | 'am' => 'Amharic' , |
| 220 | 'ar' => 'Arabic' , |
| 221 | 'as' => 'Assamese' , |
| 222 | 'ay' => 'Aymara' , |
| 223 | 'az' => 'Azerbaijani' , |
| 224 | 'ba' => 'Bashkir' , |
| 225 | 'be' => 'Byelorussian' , |
| 226 | 'bg' => 'Bulgarian' , |
| 227 | 'bh' => 'Bihari' , |
| 228 | 'bi' => 'Bislama' , |
| 229 | 'bn' => 'Bengali/Bangla' , |
| 230 | 'bo' => 'Tibetan' , |
| 231 | 'br' => 'Breton' , |
| 232 | 'ca' => 'Catalan' , |
| 233 | 'co' => 'Corsican' , |
| 234 | 'cs' => 'Czech' , |
| 235 | 'cy' => 'Welsh' , |
| 236 | 'da' => 'Danish' , |
| 237 | 'de' => 'German' , |
| 238 | 'dz' => 'Bhutani' , |
| 239 | 'el' => 'Greek' , |
| 240 | 'eo' => 'Esperanto' , |
| 241 | 'es' => 'Spanish' , |
| 242 | 'et' => 'Estonian' , |
| 243 | 'eu' => 'Basque' , |
| 244 | 'fa' => 'Persian' , |
| 245 | 'fi' => 'Finnish' , |
| 246 | 'fj' => 'Fiji' , |
| 247 | 'fo' => 'Faeroese' , |
| 248 | 'fr' => 'French' , |
| 249 | 'fy' => 'Frisian' , |
| 250 | 'ga' => 'Irish' , |
| 251 | 'gd' => 'Scots/Gaelic' , |
| 252 | 'gl' => 'Galician' , |
| 253 | 'gn' => 'Guarani' , |
| 254 | 'gu' => 'Gujarati' , |
| 255 | 'ha' => 'Hausa' , |
| 256 | 'hi' => 'Hindi' , |
| 257 | 'hr' => 'Croatian' , |
| 258 | 'hu' => 'Hungarian' , |
| 259 | 'hy' => 'Armenian' , |
| 260 | 'ia' => 'Interlingua' , |
| 261 | 'ie' => 'Interlingue' , |
| 262 | 'ik' => 'Inupiak' , |
| 263 | 'in' => 'Indonesian' , |
| 264 | 'is' => 'Icelandic' , |
| 265 | 'it' => 'Italian' , |
| 266 | 'iw' => 'Hebrew' , |
| 267 | 'ja' => 'Japanese' , |
| 268 | 'ji' => 'Yiddish' , |
| 269 | 'jw' => 'Javanese' , |
| 270 | 'ka' => 'Georgian' , |
| 271 | 'kk' => 'Kazakh' , |
| 272 | 'kl' => 'Greenlandic' , |
| 273 | 'km' => 'Cambodian' , |
| 274 | 'kn' => 'Kannada' , |
| 275 | 'ko' => 'Korean' , |
| 276 | 'ks' => 'Kashmiri' , |
| 277 | 'ku' => 'Kurdish' , |
| 278 | 'ky' => 'Kirghiz' , |
| 279 | 'la' => 'Latin' , |
| 280 | 'ln' => 'Lingala' , |
| 281 | 'lo' => 'Laothian' , |
| 282 | 'lt' => 'Lithuanian' , |
| 283 | 'lv' => 'Latvian/Lettish' , |
| 284 | 'mg' => 'Malagasy' , |
| 285 | 'mi' => 'Maori' , |
| 286 | 'mk' => 'Macedonian' , |
| 287 | 'ml' => 'Malayalam' , |
| 288 | 'mn' => 'Mongolian' , |
| 289 | 'mo' => 'Moldavian' , |
| 290 | 'mr' => 'Marathi' , |
| 291 | 'ms' => 'Malay' , |
| 292 | 'mt' => 'Maltese' , |
| 293 | 'my' => 'Burmese' , |
| 294 | 'na' => 'Nauru' , |
| 295 | 'ne' => 'Nepali' , |
| 296 | 'nl' => 'Dutch' , |
| 297 | 'no' => 'Norwegian' , |
| 298 | 'oc' => 'Occitan' , |
| 299 | 'om' => '(Afan)/Oromoor/Oriya' , |
| 300 | 'pa' => 'Punjabi' , |
| 301 | 'pl' => 'Polish' , |
| 302 | 'ps' => 'Pashto/Pushto' , |
| 303 | 'pt' => 'Portuguese' , |
| 304 | 'qu' => 'Quechua' , |
| 305 | 'rm' => 'Rhaeto-Romance' , |
| 306 | 'rn' => 'Kirundi' , |
| 307 | 'ro' => 'Romanian' , |
| 308 | 'ru' => 'Russian' , |
| 309 | 'rw' => 'Kinyarwanda' , |
| 310 | 'sa' => 'Sanskrit' , |
| 311 | 'sd' => 'Sindhi' , |
| 312 | 'sg' => 'Sangro' , |
| 313 | 'sh' => 'Serbo-Croatian' , |
| 314 | 'si' => 'Singhalese' , |
| 315 | 'sk' => 'Slovak' , |
| 316 | 'sl' => 'Slovenian' , |
| 317 | 'sm' => 'Samoan' , |
| 318 | 'sn' => 'Shona' , |
| 319 | 'so' => 'Somali' , |
| 320 | 'sq' => 'Albanian' , |
| 321 | 'sr' => 'Serbian' , |
| 322 | 'ss' => 'Siswati' , |
| 323 | 'st' => 'Sesotho' , |
| 324 | 'su' => 'Sundanese' , |
| 325 | 'sv' => 'Swedish' , |
| 326 | 'sw' => 'Swahili' , |
| 327 | 'ta' => 'Tamil' , |
| 328 | 'te' => 'Tegulu' , |
| 329 | 'tg' => 'Tajik' , |
| 330 | 'th' => 'Thai' , |
| 331 | 'ti' => 'Tigrinya' , |
| 332 | 'tk' => 'Turkmen' , |
| 333 | 'tl' => 'Tagalog' , |
| 334 | 'tn' => 'Setswana' , |
| 335 | 'to' => 'Tonga' , |
| 336 | 'tr' => 'Turkish' , |
| 337 | 'ts' => 'Tsonga' , |
| 338 | 'tt' => 'Tatar' , |
| 339 | 'tw' => 'Twi' , |
| 340 | 'uk' => 'Ukrainian' , |
| 341 | 'ur' => 'Urdu' , |
| 342 | 'uz' => 'Uzbek' , |
| 343 | 'vi' => 'Vietnamese' , |
| 344 | 'vo' => 'Volapuk' , |
| 345 | 'wo' => 'Wolof' , |
| 346 | 'xh' => 'Xhosa' , |
| 347 | 'yo' => 'Yoruba' , |
| 348 | 'zh' => 'Chinese' , |
| 349 | 'zu' => 'Zulu' , |
| 350 | ); |
| 351 | |
| 352 | return apply_filters('tutor/utils/languages', $language_codes); |
| 353 | } |
| 354 | |
| 355 | |
| 356 | /** |
| 357 | * @param string $value |
| 358 | * |
| 359 | * Check raw data |
| 360 | * |
| 361 | * @since v.1.0.0 |
| 362 | */ |
| 363 | public function print_view($value = ''){ |
| 364 | echo '<pre>'; |
| 365 | print_r($value); |
| 366 | echo '</pre>'; |
| 367 | } |
| 368 | |
| 369 | /** |
| 370 | * @param array $excludes |
| 371 | * |
| 372 | * @return array|null|object |
| 373 | * |
| 374 | * Get courses |
| 375 | * |
| 376 | * @since v.1.0.0 |
| 377 | */ |
| 378 | |
| 379 | public function get_courses($excludes = array()){ |
| 380 | global $wpdb; |
| 381 | |
| 382 | |
| 383 | $excludes = (array) $excludes; |
| 384 | $exclude_query = ''; |
| 385 | if (count($excludes)){ |
| 386 | $exclude_query = implode("','", $excludes); |
| 387 | } |
| 388 | |
| 389 | $course_post_type = tutor()->course_post_type; |
| 390 | $query = $wpdb->get_results("SELECT ID, post_author, post_title, post_name,post_status, menu_order |
| 391 | from {$wpdb->posts} WHERE post_status = 'publish' |
| 392 | AND ID NOT IN('$exclude_query') |
| 393 | AND post_type = '{$course_post_type}' "); |
| 394 | return $query; |
| 395 | } |
| 396 | |
| 397 | /** |
| 398 | * @param int $instructor_id |
| 399 | * |
| 400 | * @return array|null|object |
| 401 | * |
| 402 | * Get courses for instructors |
| 403 | * |
| 404 | * @since v.1.0.0 |
| 405 | */ |
| 406 | public function get_courses_for_instructors($instructor_id = 0){ |
| 407 | global $wpdb; |
| 408 | |
| 409 | $instructor_id = $this->get_user_id($instructor_id); |
| 410 | |
| 411 | $course_post_type = tutor()->course_post_type; |
| 412 | $query = $wpdb->get_results("SELECT ID, post_author, post_title, post_name,post_status, menu_order |
| 413 | from {$wpdb->posts} |
| 414 | WHERE post_author = {$instructor_id} |
| 415 | AND post_status IN ('publish', 'pending') |
| 416 | AND post_type = '{$course_post_type}' "); |
| 417 | return $query; |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * @param $instructor_id |
| 422 | * |
| 423 | * @return null|string |
| 424 | * |
| 425 | * Get course count by instructor |
| 426 | * |
| 427 | * @since v.1.0.0 |
| 428 | */ |
| 429 | |
| 430 | public function get_course_count_by_instructor($instructor_id){ |
| 431 | global $wpdb; |
| 432 | |
| 433 | $course_post_type = tutor()->course_post_type; |
| 434 | $count = $wpdb->get_var("SELECT COUNT(ID) from {$wpdb->posts} |
| 435 | INNER JOIN {$wpdb->usermeta} ON user_id = {$instructor_id} AND meta_key = '_tutor_instructor_course_id' AND meta_value = ID |
| 436 | WHERE post_status = 'publish' |
| 437 | AND post_type = '{$course_post_type}' ; "); |
| 438 | |
| 439 | return $count; |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * @param $instructor_id |
| 444 | * |
| 445 | * @return array|null|object |
| 446 | * |
| 447 | * Get courses by a instructor |
| 448 | * |
| 449 | * @since v.1.0.0 |
| 450 | */ |
| 451 | public function get_courses_by_instructor($instructor_id){ |
| 452 | global $wpdb; |
| 453 | |
| 454 | $course_post_type = tutor()->course_post_type; |
| 455 | |
| 456 | $querystr = " |
| 457 | SELECT $wpdb->posts.* |
| 458 | FROM $wpdb->posts |
| 459 | INNER JOIN {$wpdb->usermeta} ON $wpdb->usermeta.user_id = {$instructor_id} AND $wpdb->usermeta.meta_key = '_tutor_instructor_course_id' AND $wpdb->usermeta.meta_value = $wpdb->posts.ID |
| 460 | |
| 461 | |
| 462 | WHERE $wpdb->posts.post_status = 'publish' |
| 463 | AND $wpdb->posts.post_type = '{$course_post_type}' |
| 464 | AND $wpdb->posts.post_date < NOW() |
| 465 | ORDER BY $wpdb->posts.post_date DESC"; |
| 466 | |
| 467 | $pageposts = $wpdb->get_results($querystr, OBJECT); |
| 468 | return $pageposts; |
| 469 | } |
| 470 | |
| 471 | /** |
| 472 | * @return mixed |
| 473 | * |
| 474 | * Get archive page course count |
| 475 | * |
| 476 | * @since v.1.0.0 |
| 477 | */ |
| 478 | public function get_archive_page_course_count(){ |
| 479 | global $wp_query; |
| 480 | return $wp_query->post_count; |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * @return null|string |
| 485 | * |
| 486 | * Get course count |
| 487 | * |
| 488 | * @since v.1.0.0 |
| 489 | */ |
| 490 | public function get_course_count(){ |
| 491 | global $wpdb; |
| 492 | |
| 493 | $course_post_type = tutor()->course_post_type; |
| 494 | $count = $wpdb->get_var("SELECT COUNT(ID) from {$wpdb->posts} WHERE post_status = 'publish' AND post_type = '{$course_post_type}'; "); |
| 495 | return $count; |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * @return null|string |
| 500 | * |
| 501 | * Get lesson count |
| 502 | * |
| 503 | * @since v.1.0.0 |
| 504 | */ |
| 505 | public function get_lesson_count(){ |
| 506 | global $wpdb; |
| 507 | |
| 508 | $lesson_post_type = tutor()->lesson_post_type; |
| 509 | $count = $wpdb->get_var("SELECT COUNT(ID) from {$wpdb->posts} WHERE post_status = 'publish' AND post_type = '{$lesson_post_type}'; "); |
| 510 | return $count; |
| 511 | } |
| 512 | |
| 513 | /** |
| 514 | * @param int $course_id |
| 515 | * @param int $limit |
| 516 | * |
| 517 | * @return \WP_Query |
| 518 | * |
| 519 | * Get lesson |
| 520 | * |
| 521 | * @since v.1.0.0 |
| 522 | */ |
| 523 | public function get_lesson($course_id = 0, $limit = 10){ |
| 524 | $course_id = $this->get_post_id($course_id); |
| 525 | |
| 526 | $lesson_post_type = tutor()->lesson_post_type; |
| 527 | $args = array( |
| 528 | 'post_status' => 'publish', |
| 529 | 'post_type' => $lesson_post_type, |
| 530 | 'posts_per_page' => $limit, |
| 531 | 'meta_query' => array( |
| 532 | array( |
| 533 | 'key' => '_tutor_course_id_for_lesson', |
| 534 | 'value' => $course_id, |
| 535 | 'compare' => '=', |
| 536 | ), |
| 537 | ), |
| 538 | ); |
| 539 | $query = new \WP_Query($args); |
| 540 | |
| 541 | return $query; |
| 542 | } |
| 543 | |
| 544 | /** |
| 545 | * @param int $course_id |
| 546 | * |
| 547 | * @return int |
| 548 | * |
| 549 | * Get total lesson count by a course |
| 550 | * |
| 551 | * @since v.1.0.0 |
| 552 | */ |
| 553 | public function get_lesson_count_by_course($course_id = 0){ |
| 554 | $course_id = $this->get_post_id($course_id); |
| 555 | global $wpdb; |
| 556 | |
| 557 | $count_lesson = $wpdb->get_var("select count(meta_id) from {$wpdb->postmeta} where meta_key = '_tutor_course_id_for_lesson' AND meta_value = {$course_id} "); |
| 558 | |
| 559 | return (int) $count_lesson; |
| 560 | } |
| 561 | |
| 562 | /** |
| 563 | * @param int $course_id |
| 564 | * @param int $user_id |
| 565 | * |
| 566 | * @return int |
| 567 | * |
| 568 | * Get completed lesson total number by a course |
| 569 | * |
| 570 | * @since v.1.0.0 |
| 571 | */ |
| 572 | public function get_completed_lesson_count_by_course($course_id = 0, $user_id = 0){ |
| 573 | $course_id = $this->get_post_id($course_id); |
| 574 | $user_id = $this->get_user_id($user_id); |
| 575 | global $wpdb; |
| 576 | |
| 577 | $completed_lesson_ids = $wpdb->get_col("select post_id from {$wpdb->postmeta} where meta_key = '_tutor_course_id_for_lesson' AND meta_value = {$course_id} "); |
| 578 | |
| 579 | $count = 0; |
| 580 | if (is_array($completed_lesson_ids) && count($completed_lesson_ids)){ |
| 581 | $completed_lesson_meta_ids = array(); |
| 582 | foreach ($completed_lesson_ids as $lesson_id){ |
| 583 | $completed_lesson_meta_ids[] = '_tutor_completed_lesson_id_'.$lesson_id; |
| 584 | } |
| 585 | $in_ids = implode("','", $completed_lesson_meta_ids); |
| 586 | |
| 587 | $count = (int) $wpdb->get_var("select count(umeta_id) from {$wpdb->usermeta} WHERE user_id = '{$user_id}' AND meta_key in('{$in_ids}') "); |
| 588 | } |
| 589 | |
| 590 | return $count; |
| 591 | } |
| 592 | |
| 593 | /** |
| 594 | * @param int $course_id |
| 595 | * @param int $user_id |
| 596 | * |
| 597 | * @return float|int |
| 598 | * |
| 599 | * @since v.1.0.0 |
| 600 | */ |
| 601 | public function get_course_completed_percent($course_id = 0, $user_id = 0){ |
| 602 | $course_id = $this->get_post_id($course_id); |
| 603 | $user_id = $this->get_user_id($user_id); |
| 604 | |
| 605 | $total_lesson = $this->get_lesson_count_by_course($course_id); |
| 606 | $completed_lesson = $this->get_completed_lesson_count_by_course($course_id, $user_id); |
| 607 | |
| 608 | if ($total_lesson > 0 && $completed_lesson > 0){ |
| 609 | return number_format(($completed_lesson * 100) / $total_lesson, 1); |
| 610 | } |
| 611 | |
| 612 | return 0; |
| 613 | } |
| 614 | |
| 615 | /** |
| 616 | * @param int $course_id |
| 617 | * |
| 618 | * @return \WP_Query |
| 619 | * |
| 620 | * Get all topics by given course ID |
| 621 | * |
| 622 | * @since v.1.0.0 |
| 623 | */ |
| 624 | public function get_topics($course_id = 0){ |
| 625 | $course_id = $this->get_post_id($course_id); |
| 626 | |
| 627 | $args = array( |
| 628 | 'post_type' => 'topics', |
| 629 | 'post_parent' => $course_id, |
| 630 | 'orderby' => 'menu_order', |
| 631 | 'order' => 'ASC', |
| 632 | 'posts_per_page' => -1, |
| 633 | ); |
| 634 | |
| 635 | $query = new \WP_Query($args); |
| 636 | return $query; |
| 637 | } |
| 638 | |
| 639 | /** |
| 640 | * @param $course_ID |
| 641 | * |
| 642 | * @return int |
| 643 | * |
| 644 | * Get next topic order id |
| 645 | * |
| 646 | * @since v.1.0.0 |
| 647 | */ |
| 648 | public function get_next_topic_order_id($course_ID){ |
| 649 | global $wpdb; |
| 650 | |
| 651 | $last_order = (int) $wpdb->get_var("SELECT MAX(menu_order) FROM {$wpdb->posts} WHERE post_parent = {$course_ID} AND post_type = 'topics';"); |
| 652 | return $last_order + 1; |
| 653 | } |
| 654 | |
| 655 | /** |
| 656 | * @param $topic_ID |
| 657 | * |
| 658 | * @return int |
| 659 | * |
| 660 | * Get next course content order id |
| 661 | * |
| 662 | * @since v.1.0.0 |
| 663 | */ |
| 664 | public function get_next_course_content_order_id($topic_ID){ |
| 665 | global $wpdb; |
| 666 | |
| 667 | $last_order = (int) $wpdb->get_var("SELECT MAX(menu_order) FROM {$wpdb->posts} WHERE post_parent = {$topic_ID};"); |
| 668 | return $last_order + 1; |
| 669 | } |
| 670 | |
| 671 | /** |
| 672 | * @param int $topics_id |
| 673 | * @param int $limit |
| 674 | * |
| 675 | * @return \WP_Query |
| 676 | * |
| 677 | * Get lesson by topic |
| 678 | * |
| 679 | * @since v.1.0.0 |
| 680 | */ |
| 681 | public function get_lessons_by_topic($topics_id = 0, $limit = 10){ |
| 682 | $topics_id = $this->get_post_id($topics_id); |
| 683 | |
| 684 | $lesson_post_type = tutor()->lesson_post_type; |
| 685 | $args = array( |
| 686 | 'post_type' => $lesson_post_type, |
| 687 | 'post_parent' => $topics_id, |
| 688 | 'posts_per_page' => $limit, |
| 689 | 'orderby' => 'menu_order', |
| 690 | 'order' => 'ASC', |
| 691 | ); |
| 692 | |
| 693 | $query = new \WP_Query($args); |
| 694 | |
| 695 | return $query; |
| 696 | } |
| 697 | |
| 698 | /** |
| 699 | * @param int $topics_id |
| 700 | * @param int $limit |
| 701 | * |
| 702 | * @return \WP_Query |
| 703 | * |
| 704 | * Get course content by topic |
| 705 | * |
| 706 | * @since v.1.0.0 |
| 707 | */ |
| 708 | public function get_course_contents_by_topic($topics_id = 0, $limit = 10){ |
| 709 | $topics_id = $this->get_post_id($topics_id); |
| 710 | |
| 711 | $lesson_post_type = tutor()->lesson_post_type; |
| 712 | $args = array( |
| 713 | 'post_type' => array($lesson_post_type, 'tutor_quiz'), |
| 714 | 'post_parent' => $topics_id, |
| 715 | 'posts_per_page' => $limit, |
| 716 | 'orderby' => 'menu_order', |
| 717 | 'order' => 'ASC', |
| 718 | ); |
| 719 | |
| 720 | $query = new \WP_Query($args); |
| 721 | |
| 722 | return $query; |
| 723 | } |
| 724 | |
| 725 | /** |
| 726 | * @param string $request_method |
| 727 | * |
| 728 | * Check actions nonce |
| 729 | * |
| 730 | * @since v.1.0.0 |
| 731 | */ |
| 732 | public function checking_nonce($request_method = 'post'){ |
| 733 | if ($request_method === 'post'){ |
| 734 | if (!isset($_POST[tutor()->nonce]) || !wp_verify_nonce($_POST[tutor()->nonce], tutor()->nonce_action)) { |
| 735 | exit(); |
| 736 | } |
| 737 | }else{ |
| 738 | if (!isset($_GET[tutor()->nonce]) || !wp_verify_nonce($_GET[tutor()->nonce], tutor()->nonce_action)) { |
| 739 | exit(); |
| 740 | } |
| 741 | } |
| 742 | } |
| 743 | |
| 744 | /** |
| 745 | * @param int $course_id |
| 746 | * |
| 747 | * @return bool |
| 748 | * |
| 749 | * @since v.1.0.0 |
| 750 | */ |
| 751 | public function is_course_purchasable($course_id = 0){ |
| 752 | return apply_filters('is_course_purchasable', false, $course_id); |
| 753 | } |
| 754 | |
| 755 | /** |
| 756 | * @param int $course_id |
| 757 | * |
| 758 | * @return null|string |
| 759 | * |
| 760 | * get course price in digits format if any |
| 761 | * |
| 762 | * @since v.1.0.0 |
| 763 | */ |
| 764 | |
| 765 | public function get_course_price($course_id = 0){ |
| 766 | $course_id = $this->get_post_id($course_id); |
| 767 | |
| 768 | $price = null; |
| 769 | |
| 770 | if ($this->is_course_purchasable()) { |
| 771 | if ($this->has_wc()){ |
| 772 | $product_id = tutor_utils()->get_course_product_id($course_id); |
| 773 | $product = wc_get_product( $product_id ); |
| 774 | |
| 775 | if ( $product ) { |
| 776 | $price = $product->get_price(); |
| 777 | } |
| 778 | }else{ |
| 779 | $price = apply_filters('get_tutor_course_price', null, $course_id); |
| 780 | } |
| 781 | |
| 782 | } |
| 783 | |
| 784 | return $price; |
| 785 | } |
| 786 | |
| 787 | /** |
| 788 | * @param int $course_id |
| 789 | * |
| 790 | * @return array|bool|null|object |
| 791 | * |
| 792 | * Check if current user has been enrolled or not |
| 793 | * |
| 794 | * @since v.1.0.0 |
| 795 | */ |
| 796 | |
| 797 | public function is_enrolled($course_id = 0, $user_id = 0){ |
| 798 | $course_id = $this->get_post_id($course_id); |
| 799 | $user_id = $this->get_user_id($user_id); |
| 800 | |
| 801 | if (is_user_logged_in()) { |
| 802 | global $wpdb; |
| 803 | |
| 804 | $getEnrolledInfo = $wpdb->get_row( "select ID, post_author, post_date,post_date_gmt,post_title from {$wpdb->posts} WHERE post_type = 'tutor_enrolled' AND post_parent = {$course_id} AND post_author = {$user_id} AND post_status = 'completed'; " ); |
| 805 | |
| 806 | if ( $getEnrolledInfo ) { |
| 807 | return $getEnrolledInfo; |
| 808 | } |
| 809 | } |
| 810 | return false; |
| 811 | } |
| 812 | |
| 813 | /** |
| 814 | * @param int $course_id |
| 815 | * @param int $user_id |
| 816 | * |
| 817 | * @return array|bool|null|object|void |
| 818 | * |
| 819 | * Has any enrolled for a user in a course |
| 820 | * |
| 821 | * @since v.1.0.0 |
| 822 | */ |
| 823 | public function has_any_enrolled($course_id = 0, $user_id = 0){ |
| 824 | $course_id = $this->get_post_id($course_id); |
| 825 | $user_id = $this->get_user_id($user_id); |
| 826 | |
| 827 | if (is_user_logged_in()) { |
| 828 | global $wpdb; |
| 829 | |
| 830 | $getEnrolledInfo = $wpdb->get_row( "select ID, post_author, post_date,post_date_gmt,post_title from {$wpdb->posts} WHERE post_type = 'tutor_enrolled' AND post_parent = {$course_id} AND post_author = {$user_id}; " ); |
| 831 | |
| 832 | if ( $getEnrolledInfo ) { |
| 833 | return $getEnrolledInfo; |
| 834 | } |
| 835 | } |
| 836 | return false; |
| 837 | } |
| 838 | |
| 839 | /** |
| 840 | * @param int $lesson_id |
| 841 | * @param int $user_id |
| 842 | * |
| 843 | * @return array|bool|null|object |
| 844 | * |
| 845 | * Get the course Enrolled confirmation by lesson ID |
| 846 | * |
| 847 | * @since v.1.0.0 |
| 848 | */ |
| 849 | |
| 850 | public function is_course_enrolled_by_lesson($lesson_id = 0, $user_id = 0){ |
| 851 | $lesson_id = $this->get_post_id($lesson_id); |
| 852 | $user_id = $this->get_user_id($user_id); |
| 853 | |
| 854 | return $this->is_enrolled($this->get_course_id_by_lesson($lesson_id)); |
| 855 | } |
| 856 | |
| 857 | /** |
| 858 | * @param int $lesson_id |
| 859 | * |
| 860 | * @return bool|mixed |
| 861 | * |
| 862 | * Get the course ID by Lesson |
| 863 | * |
| 864 | * @since v.1.0.0 |
| 865 | */ |
| 866 | public function get_course_id_by_lesson($lesson_id = 0){ |
| 867 | $lesson_id = $this->get_post_id($lesson_id); |
| 868 | return get_post_meta($lesson_id, '_tutor_course_id_for_lesson', true); |
| 869 | } |
| 870 | |
| 871 | /** |
| 872 | * @param int $course_id |
| 873 | * |
| 874 | * @return bool|false|string |
| 875 | * |
| 876 | * Get first lesson of a course |
| 877 | * |
| 878 | * @since v.1.0.0 |
| 879 | */ |
| 880 | public function get_course_first_lesson($course_id = 0){ |
| 881 | $course_id = $this->get_post_id($course_id); |
| 882 | global $wpdb; |
| 883 | |
| 884 | $lesson_id = $wpdb->get_var(" |
| 885 | SELECT post_id as lesson_id |
| 886 | FROM $wpdb->postmeta |
| 887 | INNER JOIN {$wpdb->posts} ON post_id = {$wpdb->posts}.ID |
| 888 | WHERE meta_key = '_tutor_course_id_for_lesson' AND meta_value = {$course_id} |
| 889 | |
| 890 | ORDER BY menu_order ASC LIMIT 1 |
| 891 | "); |
| 892 | |
| 893 | /* |
| 894 | $lesson_id = $wpdb->get_var(" select main_posts.ID from {$wpdb->posts} main_posts |
| 895 | WHERE post_parent = |
| 896 | (SELECT sub_posts.ID FROM {$wpdb->posts} sub_posts |
| 897 | WHERE post_type = 'topics' AND |
| 898 | sub_posts.post_parent = {$course_id} ORDER BY sub_posts.menu_order ASC LIMIT 1 ) |
| 899 | ORDER BY main_posts.menu_order ASC LIMIT 1 ;"); |
| 900 | */ |
| 901 | |
| 902 | if ($lesson_id){ |
| 903 | return get_permalink($lesson_id); |
| 904 | } |
| 905 | return false; |
| 906 | } |
| 907 | |
| 908 | /** |
| 909 | * |
| 910 | * Get course sub pages in course dashboard |
| 911 | * |
| 912 | * @since v.1.0.0 |
| 913 | */ |
| 914 | public function course_sub_pages(){ |
| 915 | $nav_items = array( |
| 916 | 'overview' => __('Overview', 'tutor'), |
| 917 | ); |
| 918 | |
| 919 | $enable_q_and_a_on_course = tutor_utils()->get_option('enable_q_and_a_on_course'); |
| 920 | if ($enable_q_and_a_on_course){ |
| 921 | $nav_items['questions'] = __('Q&A', 'tutor'); |
| 922 | } |
| 923 | $nav_items['announcements'] = __('Announcements', 'tutor'); |
| 924 | |
| 925 | return apply_filters('tutor_course/single/enrolled/nav_items', $nav_items); |
| 926 | } |
| 927 | |
| 928 | /** |
| 929 | * @param int $post_id |
| 930 | * |
| 931 | * @return bool|array |
| 932 | * |
| 933 | * @since v.1.0.0 |
| 934 | */ |
| 935 | public function get_video($post_id = 0){ |
| 936 | $post_id = $this->get_post_id($post_id); |
| 937 | $attachments = get_post_meta($post_id, '_video', true); |
| 938 | if ($attachments) { |
| 939 | $attachments = maybe_unserialize($attachments); |
| 940 | } |
| 941 | return $attachments; |
| 942 | } |
| 943 | |
| 944 | /** |
| 945 | * @param int $post_id |
| 946 | * @param array $video_data |
| 947 | * |
| 948 | * @return bool |
| 949 | * |
| 950 | * Update the video Info |
| 951 | */ |
| 952 | public function update_video($post_id = 0, $video_data = array()){ |
| 953 | $post_id = $this->get_post_id($post_id); |
| 954 | |
| 955 | if (is_array($video_data) && count($video_data)){ |
| 956 | update_post_meta($post_id, '_video', $video_data); |
| 957 | } |
| 958 | } |
| 959 | |
| 960 | /** |
| 961 | * @param int $post_id |
| 962 | * |
| 963 | * @return bool|mixed |
| 964 | * |
| 965 | * @since v.1.0.0 |
| 966 | */ |
| 967 | public function get_attachments($post_id = 0){ |
| 968 | $post_id = $this->get_post_id($post_id); |
| 969 | $attachments_arr = array(); |
| 970 | $attachments = maybe_unserialize(get_post_meta($post_id, '_tutor_attachments', true)); |
| 971 | |
| 972 | $font_icons = apply_filters('tutor_file_types_icon', array( |
| 973 | 'archive', |
| 974 | 'audio', |
| 975 | 'code', |
| 976 | 'default', |
| 977 | 'document', |
| 978 | 'interactive', |
| 979 | 'spreadsheet', |
| 980 | 'text', |
| 981 | 'video', |
| 982 | 'image', |
| 983 | )); |
| 984 | |
| 985 | if ( is_array($attachments) && count($attachments)) { |
| 986 | foreach ( $attachments as $attachment ) { |
| 987 | $url = wp_get_attachment_url( $attachment ); |
| 988 | $file_type = wp_check_filetype( $url ); |
| 989 | $ext = $file_type['ext']; |
| 990 | $title = get_the_title($attachment); |
| 991 | |
| 992 | $file_path = get_attached_file( $attachment ); |
| 993 | $size_bytes = file_exists($file_path) ? filesize( $file_path ) : 0; |
| 994 | $size = size_format( $size_bytes, 2 ); |
| 995 | $type = wp_ext2type( $ext ); |
| 996 | |
| 997 | $icon = 'default'; |
| 998 | if ( $type && in_array( $type, $font_icons ) ) { |
| 999 | $icon = $type; |
| 1000 | } |
| 1001 | |
| 1002 | $data = array( |
| 1003 | 'post_id' => $post_id, |
| 1004 | 'id' => $attachment, |
| 1005 | 'url' => $url, |
| 1006 | 'name' => $title . '.' . $ext, |
| 1007 | 'title' => $title, |
| 1008 | 'ext' => $ext, |
| 1009 | 'size' => $size, |
| 1010 | 'size_bytes' => $size_bytes, |
| 1011 | 'icon' => $icon, |
| 1012 | ); |
| 1013 | |
| 1014 | $attachments_arr[] = (object) apply_filters( 'tutor/posts/attachments', $data ); |
| 1015 | } |
| 1016 | } |
| 1017 | |
| 1018 | return $attachments_arr; |
| 1019 | } |
| 1020 | |
| 1021 | |
| 1022 | /** |
| 1023 | * @param $seconds |
| 1024 | * |
| 1025 | * @return string |
| 1026 | * |
| 1027 | * return seconds to formatted playtime |
| 1028 | * |
| 1029 | * @since v.1.0.0 |
| 1030 | */ |
| 1031 | public function playtime_string($seconds) { |
| 1032 | $sign = (($seconds < 0) ? '-' : ''); |
| 1033 | $seconds = round(abs($seconds)); |
| 1034 | $H = (int) floor( $seconds / 3600); |
| 1035 | $M = (int) floor(($seconds - (3600 * $H) ) / 60); |
| 1036 | $S = (int) round( $seconds - (3600 * $H) - (60 * $M) ); |
| 1037 | return $sign.($H ? $H.':' : '').($H ? str_pad($M, 2, '0', STR_PAD_LEFT) : intval($M)).':'.str_pad($S, 2, 0, STR_PAD_LEFT); |
| 1038 | } |
| 1039 | |
| 1040 | /** |
| 1041 | * @param $seconds |
| 1042 | * |
| 1043 | * @return array |
| 1044 | * |
| 1045 | * Get the playtime in array |
| 1046 | * |
| 1047 | * @since v.1.0.0 |
| 1048 | */ |
| 1049 | public function playtime_array($seconds){ |
| 1050 | $run_time_format = array( |
| 1051 | 'hours' => '00', |
| 1052 | 'minutes' => '00', |
| 1053 | 'seconds' => '00', |
| 1054 | ); |
| 1055 | |
| 1056 | if ($seconds <= 0 ){ |
| 1057 | return $run_time_format; |
| 1058 | } |
| 1059 | |
| 1060 | $playTimeString = $this->playtime_string($seconds); |
| 1061 | $timeInArray = explode(':', $playTimeString); |
| 1062 | |
| 1063 | $run_time_size = count($timeInArray); |
| 1064 | if ($run_time_size === 3){ |
| 1065 | $run_time_format['hours'] = $timeInArray[0]; |
| 1066 | $run_time_format['minutes'] = $timeInArray[1]; |
| 1067 | $run_time_format['seconds'] = $timeInArray[2]; |
| 1068 | }elseif($run_time_size === 2){ |
| 1069 | $run_time_format['minutes'] = $timeInArray[0]; |
| 1070 | $run_time_format['seconds'] = $timeInArray[1]; |
| 1071 | } |
| 1072 | |
| 1073 | return $run_time_format; |
| 1074 | } |
| 1075 | |
| 1076 | /** |
| 1077 | * @param $seconds |
| 1078 | * |
| 1079 | * @return string |
| 1080 | * |
| 1081 | * Convert seconds to human readable time |
| 1082 | * |
| 1083 | * @since v.1.0.0 |
| 1084 | */ |
| 1085 | public function seconds_to_time_context($seconds) { |
| 1086 | $sign = (($seconds < 0) ? '-' : ''); |
| 1087 | $seconds = round(abs($seconds)); |
| 1088 | $H = (int) floor( $seconds / 3600); |
| 1089 | $M = (int) floor(($seconds - (3600 * $H) ) / 60); |
| 1090 | $S = (int) round( $seconds - (3600 * $H) - (60 * $M) ); |
| 1091 | |
| 1092 | return $sign.($H ? $H.'h ' : '').($H ? str_pad($M, 2, '0', STR_PAD_LEFT) : intval($M)).'m '.str_pad($S, 2, 0, STR_PAD_LEFT).'s'; |
| 1093 | } |
| 1094 | |
| 1095 | /** |
| 1096 | * @param int $lesson_id |
| 1097 | * |
| 1098 | * @return bool|object |
| 1099 | * |
| 1100 | * @since v.1.0.0 |
| 1101 | */ |
| 1102 | |
| 1103 | public function get_video_info($lesson_id = 0){ |
| 1104 | $lesson_id = $this->get_post_id($lesson_id); |
| 1105 | $video = $this->get_video($lesson_id); |
| 1106 | |
| 1107 | if ( ! $video){ |
| 1108 | return false; |
| 1109 | } |
| 1110 | |
| 1111 | $info = array( |
| 1112 | 'playtime' => '00:00', |
| 1113 | ); |
| 1114 | |
| 1115 | $types = apply_filters('tutor_video_types', array("mp4"=>"video/mp4", "webm"=>"video/webm", "ogg"=>"video/ogg")); |
| 1116 | |
| 1117 | $videoSource = $this->avalue_dot('source', $video); |
| 1118 | if ($videoSource === 'html5'){ |
| 1119 | $sourceVideoID = $this->avalue_dot('source_video_id', $video); |
| 1120 | $video_info = get_post_meta($sourceVideoID, '_wp_attachment_metadata', true); |
| 1121 | |
| 1122 | if ($video_info){ |
| 1123 | $path = get_attached_file($sourceVideoID); |
| 1124 | $info['playtime'] = $video_info['length_formatted']; |
| 1125 | $info['path'] = $path; |
| 1126 | $info['url'] = wp_get_attachment_url($sourceVideoID); |
| 1127 | $info['ext'] = strtolower(pathinfo($path, PATHINFO_EXTENSION)); |
| 1128 | $info['type'] = $types[$info['ext']]; |
| 1129 | } |
| 1130 | } |
| 1131 | |
| 1132 | if ($videoSource !== 'html5'){ |
| 1133 | $video = maybe_unserialize(get_post_meta($lesson_id, '_video', true)); |
| 1134 | |
| 1135 | $runtimeHours = tutor_utils()->avalue_dot('runtime.hours', $video); |
| 1136 | $runtimeMinutes = tutor_utils()->avalue_dot('runtime.minutes', $video); |
| 1137 | $runtimeSeconds = tutor_utils()->avalue_dot('runtime.seconds', $video); |
| 1138 | |
| 1139 | $runtimeHours = $runtimeHours ? $runtimeHours : '00'; |
| 1140 | $runtimeMinutes = $runtimeMinutes ? $runtimeMinutes : '00'; |
| 1141 | $runtimeSeconds = $runtimeSeconds ? $runtimeSeconds : '00'; |
| 1142 | |
| 1143 | $info['playtime'] = "$runtimeHours:$runtimeMinutes:$runtimeSeconds"; |
| 1144 | } |
| 1145 | |
| 1146 | $info = array_merge($info, $video); |
| 1147 | |
| 1148 | return (object) $info; |
| 1149 | } |
| 1150 | |
| 1151 | /** |
| 1152 | * @param int $post_id |
| 1153 | * |
| 1154 | * @return bool |
| 1155 | * |
| 1156 | * Ensure if attached video is self hosted or not |
| 1157 | * |
| 1158 | * @since v.1.0.0 |
| 1159 | */ |
| 1160 | public function is_html5_video($post_id = 0){ |
| 1161 | $post_id = $this->get_post_id($post_id); |
| 1162 | |
| 1163 | $video = $this->get_video($post_id); |
| 1164 | if ( ! $video){ |
| 1165 | return false; |
| 1166 | } |
| 1167 | $videoSource = $this->avalue_dot('source', $video); |
| 1168 | return $videoSource === 'html5'; |
| 1169 | } |
| 1170 | |
| 1171 | /** |
| 1172 | * |
| 1173 | * return lesson type icon |
| 1174 | * |
| 1175 | * @param int $lesson_id |
| 1176 | * @param bool $html |
| 1177 | * @param bool $echo |
| 1178 | * |
| 1179 | * @return string |
| 1180 | * |
| 1181 | * @since v.1.0.0 |
| 1182 | */ |
| 1183 | |
| 1184 | public function get_lesson_type_icon($lesson_id = 0, $html = false, $echo = false){ |
| 1185 | $post_id = $this->get_post_id($lesson_id); |
| 1186 | $video = tutor_utils()->get_video_info($post_id); |
| 1187 | |
| 1188 | $play_time = false; |
| 1189 | if ($video){ |
| 1190 | $play_time = $video->playtime; |
| 1191 | } |
| 1192 | |
| 1193 | $tutor_lesson_type_icon = $play_time ? 'youtube' : 'document'; |
| 1194 | |
| 1195 | if ($html){ |
| 1196 | $tutor_lesson_type_icon = "<i class='tutor-icon-$tutor_lesson_type_icon'></i> "; |
| 1197 | } |
| 1198 | |
| 1199 | if ($tutor_lesson_type_icon){ |
| 1200 | echo $tutor_lesson_type_icon; |
| 1201 | } |
| 1202 | |
| 1203 | return $tutor_lesson_type_icon; |
| 1204 | } |
| 1205 | |
| 1206 | /** |
| 1207 | * @param int $lesson_id |
| 1208 | * @param int $user_id |
| 1209 | * |
| 1210 | * @return bool|mixed |
| 1211 | * |
| 1212 | * @since v.1.0.0 |
| 1213 | */ |
| 1214 | |
| 1215 | public function is_completed_lesson($lesson_id = 0, $user_id = 0){ |
| 1216 | $lesson_id = $this->get_post_id($lesson_id); |
| 1217 | $user_id = $this->get_user_id($user_id); |
| 1218 | |
| 1219 | $is_completed = get_user_meta($user_id, '_tutor_completed_lesson_id_'.$lesson_id, true); |
| 1220 | |
| 1221 | if ($is_completed){ |
| 1222 | return $is_completed; |
| 1223 | } |
| 1224 | |
| 1225 | return false; |
| 1226 | } |
| 1227 | |
| 1228 | /** |
| 1229 | * @param int $course_id |
| 1230 | * @param int $user_id |
| 1231 | * |
| 1232 | * @return array|bool|null|object|void |
| 1233 | * |
| 1234 | * Determine if a course completed |
| 1235 | * |
| 1236 | * @since v.1.0.0 |
| 1237 | */ |
| 1238 | |
| 1239 | public function is_completed_course($course_id = 0, $user_id = 0){ |
| 1240 | global $wpdb; |
| 1241 | $course_id = $this->get_post_id($course_id); |
| 1242 | $user_id = $this->get_user_id($user_id); |
| 1243 | |
| 1244 | $is_completed = $wpdb->get_row("SELECT comment_ID, |
| 1245 | comment_post_ID as course_id, |
| 1246 | comment_author as completed_user_id, |
| 1247 | comment_date as completion_date, |
| 1248 | comment_content as completed_hash |
| 1249 | from {$wpdb->comments} |
| 1250 | WHERE comment_agent = 'TutorLMSPlugin' |
| 1251 | AND comment_type = 'course_completed' |
| 1252 | AND comment_post_ID = {$course_id} |
| 1253 | AND user_id = {$user_id} ;"); |
| 1254 | |
| 1255 | if ($is_completed){ |
| 1256 | return $is_completed; |
| 1257 | } |
| 1258 | |
| 1259 | return false; |
| 1260 | } |
| 1261 | |
| 1262 | /** |
| 1263 | * @param array $input |
| 1264 | * |
| 1265 | * @return array |
| 1266 | * |
| 1267 | * Sanitize input array |
| 1268 | * |
| 1269 | * @since v.1.0.0 |
| 1270 | */ |
| 1271 | public function sanitize_array($input = array()){ |
| 1272 | $array = array(); |
| 1273 | |
| 1274 | if (is_array($input) && count($input)){ |
| 1275 | foreach ($input as $key => $value){ |
| 1276 | if (is_array($value)){ |
| 1277 | $array[$key] = $this->sanitize_array($value); |
| 1278 | }else{ |
| 1279 | $key = sanitize_text_field($key); |
| 1280 | $value = sanitize_text_field($value); |
| 1281 | $array[$key] = $value; |
| 1282 | } |
| 1283 | } |
| 1284 | } |
| 1285 | |
| 1286 | return $array; |
| 1287 | } |
| 1288 | |
| 1289 | /** |
| 1290 | * @param int $post_id |
| 1291 | * |
| 1292 | * @return array|bool |
| 1293 | * |
| 1294 | * Determine if has any video in single |
| 1295 | * |
| 1296 | * @since v.1.0.0 |
| 1297 | */ |
| 1298 | |
| 1299 | public function has_video_in_single($post_id = 0){ |
| 1300 | if (is_single()) { |
| 1301 | $post_id = $this->get_post_id($post_id); |
| 1302 | |
| 1303 | $video = $this->get_video( $post_id ); |
| 1304 | if ( $video ) { |
| 1305 | return $video; |
| 1306 | } |
| 1307 | } |
| 1308 | return false; |
| 1309 | |
| 1310 | } |
| 1311 | |
| 1312 | /** |
| 1313 | * @param int $start |
| 1314 | * @param int $limit |
| 1315 | * @param string $search_term |
| 1316 | * @param int $course_id |
| 1317 | * |
| 1318 | * @return array|null|object |
| 1319 | * |
| 1320 | * |
| 1321 | * Get the enrolled students for all courses. |
| 1322 | * |
| 1323 | * Pass course id in 4th parameter to get students course wise. |
| 1324 | * |
| 1325 | * @since v.1.0.0 |
| 1326 | */ |
| 1327 | public function get_students($start = 0, $limit = 10, $search_term = ''){ |
| 1328 | $meta_key = '_is_tutor_student'; |
| 1329 | |
| 1330 | global $wpdb; |
| 1331 | |
| 1332 | if ($search_term){ |
| 1333 | $search_term = " AND ( {$wpdb->users}.display_name LIKE '%{$search_term}%' OR {$wpdb->users}.user_email LIKE '%{$search_term}%' ) "; |
| 1334 | } |
| 1335 | |
| 1336 | $students = $wpdb->get_results("SELECT SQL_CALC_FOUND_ROWS {$wpdb->users}.* FROM {$wpdb->users} |
| 1337 | INNER JOIN {$wpdb->usermeta} |
| 1338 | ON ( {$wpdb->users}.ID = {$wpdb->usermeta}.user_id ) |
| 1339 | WHERE 1=1 AND ( {$wpdb->usermeta}.meta_key = '{$meta_key}' ) {$search_term} |
| 1340 | ORDER BY {$wpdb->usermeta}.meta_value DESC |
| 1341 | LIMIT {$start}, {$limit} "); |
| 1342 | |
| 1343 | return $students; |
| 1344 | } |
| 1345 | |
| 1346 | /** |
| 1347 | * @return int |
| 1348 | * |
| 1349 | * @since v.1.0.0 |
| 1350 | * |
| 1351 | * get the total students |
| 1352 | * pass course id to get course wise total students |
| 1353 | * |
| 1354 | * @since v.1.0.0 |
| 1355 | */ |
| 1356 | public function get_total_students($search_term = ''){ |
| 1357 | $meta_key = '_is_tutor_student'; |
| 1358 | |
| 1359 | global $wpdb; |
| 1360 | |
| 1361 | if ($search_term){ |
| 1362 | $search_term = " AND ( {$wpdb->users}.display_name LIKE '%{$search_term}%' OR {$wpdb->users}.user_email LIKE '%{$search_term}%' ) "; |
| 1363 | } |
| 1364 | |
| 1365 | $count = $wpdb->get_var("SELECT COUNT({$wpdb->users}.ID) FROM {$wpdb->users} INNER JOIN {$wpdb->usermeta} ON ( {$wpdb->users}.ID = {$wpdb->usermeta}.user_id ) WHERE 1=1 AND ( {$wpdb->usermeta}.meta_key = '{$meta_key}' ) $search_term "); |
| 1366 | |
| 1367 | return (int) $count; |
| 1368 | } |
| 1369 | |
| 1370 | /** |
| 1371 | * @param int $user_id |
| 1372 | * |
| 1373 | * @return array |
| 1374 | * |
| 1375 | * Get complete courses ids by user |
| 1376 | * |
| 1377 | * @since v.1.0.0 |
| 1378 | */ |
| 1379 | public function get_completed_courses_ids_by_user($user_id = 0){ |
| 1380 | global $wpdb; |
| 1381 | |
| 1382 | $user_id = $this->get_user_id($user_id); |
| 1383 | |
| 1384 | $course_ids = (array) $wpdb->get_col("SELECT comment_post_ID as course_id |
| 1385 | from {$wpdb->comments} |
| 1386 | WHERE comment_agent = 'TutorLMSPlugin' |
| 1387 | AND comment_type = 'course_completed' |
| 1388 | AND user_id = {$user_id} ;"); |
| 1389 | |
| 1390 | return $course_ids; |
| 1391 | } |
| 1392 | |
| 1393 | /** |
| 1394 | * @param int $user_id |
| 1395 | * |
| 1396 | * @return bool|\WP_Query |
| 1397 | * |
| 1398 | * Return courses by user_id |
| 1399 | * |
| 1400 | * @since v.1.0.0 |
| 1401 | */ |
| 1402 | public function get_courses_by_user($user_id = 0){ |
| 1403 | $user_id = $this->get_user_id($user_id); |
| 1404 | $course_ids = $this->get_completed_courses_ids_by_user($user_id); |
| 1405 | |
| 1406 | if (count($course_ids)){ |
| 1407 | $course_post_type = tutor()->course_post_type; |
| 1408 | $course_args = array( |
| 1409 | 'post_type' => $course_post_type, |
| 1410 | 'post_status' => 'publish', |
| 1411 | 'post__in' => $course_ids, |
| 1412 | ); |
| 1413 | |
| 1414 | return new \WP_Query($course_args); |
| 1415 | } |
| 1416 | |
| 1417 | return false; |
| 1418 | } |
| 1419 | |
| 1420 | /** |
| 1421 | * @param int $user_id |
| 1422 | * |
| 1423 | * @return bool|\WP_Query |
| 1424 | * |
| 1425 | * Get the active course by user |
| 1426 | * |
| 1427 | * @since v.1.0.0 |
| 1428 | */ |
| 1429 | |
| 1430 | public function get_active_courses_by_user($user_id = 0){ |
| 1431 | $user_id = $this->get_user_id($user_id); |
| 1432 | |
| 1433 | $course_ids = $this->get_completed_courses_ids_by_user($user_id); |
| 1434 | $enrolled_course_ids = $this->get_enrolled_courses_ids_by_user($user_id); |
| 1435 | $active_courses = array_diff($enrolled_course_ids, $course_ids); |
| 1436 | |
| 1437 | if (count($active_courses)){ |
| 1438 | $course_post_type = tutor()->course_post_type; |
| 1439 | $course_args = array( |
| 1440 | 'post_type' => $course_post_type, |
| 1441 | 'post_status' => 'publish', |
| 1442 | 'post__in' => $active_courses, |
| 1443 | ); |
| 1444 | |
| 1445 | return new \WP_Query($course_args); |
| 1446 | } |
| 1447 | |
| 1448 | return false; |
| 1449 | } |
| 1450 | |
| 1451 | /** |
| 1452 | * @param int $user_id |
| 1453 | * |
| 1454 | * @return array |
| 1455 | * |
| 1456 | * Get enrolled course ids by a user |
| 1457 | * |
| 1458 | * @since v.1.0.0 |
| 1459 | */ |
| 1460 | |
| 1461 | public function get_enrolled_courses_ids_by_user($user_id = 0){ |
| 1462 | global $wpdb; |
| 1463 | $user_id = $this->get_user_id($user_id); |
| 1464 | $course_ids = $wpdb->get_col("select post_parent from {$wpdb->posts} WHERE post_type = 'tutor_enrolled' AND post_author = {$user_id} AND post_status = 'completed'; "); |
| 1465 | |
| 1466 | return $course_ids; |
| 1467 | } |
| 1468 | |
| 1469 | /** |
| 1470 | * @param int $course_id |
| 1471 | * |
| 1472 | * @return int |
| 1473 | * |
| 1474 | * Get the total enrolled users at course |
| 1475 | */ |
| 1476 | public function count_enrolled_users_by_course($course_id = 0){ |
| 1477 | global $wpdb; |
| 1478 | $course_id = $this->get_post_id($course_id); |
| 1479 | |
| 1480 | $course_ids = $wpdb->get_var("select COUNT(ID) from {$wpdb->posts} WHERE post_type = 'tutor_enrolled' AND post_parent = {$course_id} AND post_status = 'completed'; "); |
| 1481 | |
| 1482 | return (int) $course_ids; |
| 1483 | } |
| 1484 | |
| 1485 | /** |
| 1486 | * @param int $user_id |
| 1487 | * |
| 1488 | * @return bool|\WP_Query |
| 1489 | * |
| 1490 | * Get the enrolled courses by user |
| 1491 | */ |
| 1492 | public function get_enrolled_courses_by_user($user_id = 0){ |
| 1493 | global $wpdb; |
| 1494 | |
| 1495 | $user_id = $this->get_user_id($user_id); |
| 1496 | $course_ids = $this->get_enrolled_courses_ids_by_user($user_id); |
| 1497 | |
| 1498 | if (count($course_ids)){ |
| 1499 | $course_post_type = tutor()->course_post_type; |
| 1500 | $course_args = array( |
| 1501 | 'post_type' => $course_post_type, |
| 1502 | 'post_status' => 'publish', |
| 1503 | 'post__in' => $course_ids, |
| 1504 | ); |
| 1505 | return new \WP_Query($course_args); |
| 1506 | } |
| 1507 | return false; |
| 1508 | } |
| 1509 | |
| 1510 | |
| 1511 | /** |
| 1512 | * @param int $post_id |
| 1513 | * |
| 1514 | * @return string |
| 1515 | * |
| 1516 | * Get the video streaming URL by post/lesson/course ID |
| 1517 | */ |
| 1518 | public function get_video_stream_url($post_id = 0){ |
| 1519 | $post_id = $this->get_post_id($post_id); |
| 1520 | $post = get_post($post_id); |
| 1521 | |
| 1522 | if ($post->post_type === tutor()->lesson_post_type ){ |
| 1523 | $video_url = trailingslashit(home_url()).'video-url/'.$post->post_name; |
| 1524 | }else{ |
| 1525 | $video_info = tutor_utils()->get_video_info($post_id); |
| 1526 | $video_url = $video_info->url; |
| 1527 | } |
| 1528 | |
| 1529 | return $video_url; |
| 1530 | } |
| 1531 | |
| 1532 | /** |
| 1533 | * @param int $lesson_id |
| 1534 | * @param int $user_id |
| 1535 | * |
| 1536 | * @return array|bool|mixed |
| 1537 | * |
| 1538 | * Get student lesson reading current info |
| 1539 | * |
| 1540 | * @since v.1.0.0 |
| 1541 | */ |
| 1542 | public function get_lesson_reading_info_full($lesson_id = 0, $user_id = 0){ |
| 1543 | $lesson_id = $this->get_post_id($lesson_id); |
| 1544 | $user_id = $this->get_user_id($user_id); |
| 1545 | |
| 1546 | $lesson_info = (array) maybe_unserialize(get_user_meta($user_id, '_lesson_reading_info', true)); |
| 1547 | return $this->avalue_dot($lesson_id, $lesson_info); |
| 1548 | } |
| 1549 | |
| 1550 | /** |
| 1551 | * @param int $post_id |
| 1552 | * |
| 1553 | * @return bool|false|int |
| 1554 | * |
| 1555 | * Get current post id or given post id |
| 1556 | * |
| 1557 | * @since v.1.0.0 |
| 1558 | */ |
| 1559 | public function get_post_id($post_id = 0){ |
| 1560 | if ( ! $post_id){ |
| 1561 | $post_id = get_the_ID(); |
| 1562 | if ( ! $post_id){ |
| 1563 | return false; |
| 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | return $post_id; |
| 1568 | } |
| 1569 | |
| 1570 | /** |
| 1571 | * @param int $user_id |
| 1572 | * |
| 1573 | * @return bool|int |
| 1574 | * |
| 1575 | * Get current user or given user ID |
| 1576 | * |
| 1577 | * @since v.1.0.0 |
| 1578 | */ |
| 1579 | public function get_user_id($user_id = 0){ |
| 1580 | if ( ! $user_id){ |
| 1581 | $user_id = get_current_user_id(); |
| 1582 | if ( ! $user_id){ |
| 1583 | return false; |
| 1584 | } |
| 1585 | } |
| 1586 | |
| 1587 | return $user_id; |
| 1588 | } |
| 1589 | |
| 1590 | /** |
| 1591 | * @param int $lesson_id |
| 1592 | * @param int $user_id |
| 1593 | * @param string $key |
| 1594 | * |
| 1595 | * @return array|bool|mixed |
| 1596 | * |
| 1597 | * Get lesson reading info by key |
| 1598 | * |
| 1599 | * @since v.1.0.0 |
| 1600 | */ |
| 1601 | |
| 1602 | public function get_lesson_reading_info($lesson_id = 0, $user_id = 0, $key = ''){ |
| 1603 | $lesson_id = $this->get_post_id($lesson_id); |
| 1604 | $user_id = $this->get_user_id($user_id); |
| 1605 | |
| 1606 | $lesson_info = $this->get_lesson_reading_info_full($lesson_id, $user_id); |
| 1607 | |
| 1608 | return $this->avalue_dot($key, $lesson_info); |
| 1609 | } |
| 1610 | |
| 1611 | /** |
| 1612 | * @param int $lesson_id |
| 1613 | * @param int $user_id |
| 1614 | * @param array $data |
| 1615 | * |
| 1616 | * @return bool |
| 1617 | * |
| 1618 | * Update student lesson reading info |
| 1619 | * |
| 1620 | * @since v.1.0.0 |
| 1621 | */ |
| 1622 | public function update_lesson_reading_info($lesson_id = 0, $user_id = 0, $key = '', $value = ''){ |
| 1623 | $lesson_id = $this->get_post_id($lesson_id); |
| 1624 | $user_id = $this->get_user_id($user_id); |
| 1625 | |
| 1626 | if ($key && $value){ |
| 1627 | $lesson_info = (array) maybe_unserialize(get_user_meta($user_id, '_lesson_reading_info', true)); |
| 1628 | $lesson_info[$lesson_id][$key] = $value; |
| 1629 | update_user_meta($user_id, '_lesson_reading_info', $lesson_info); |
| 1630 | } |
| 1631 | } |
| 1632 | |
| 1633 | /** |
| 1634 | * @param string $url |
| 1635 | * |
| 1636 | * @return bool |
| 1637 | * |
| 1638 | * Get the Youtube Video ID from URL |
| 1639 | * |
| 1640 | * @since v.1.0.0 |
| 1641 | */ |
| 1642 | public function get_youtube_video_id($url = ''){ |
| 1643 | if (!$url){ |
| 1644 | return false; |
| 1645 | } |
| 1646 | preg_match('%(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^"&?/ ]{11})%i', $url, $match); |
| 1647 | |
| 1648 | if (isset($match[1])) { |
| 1649 | $youtube_id = $match[1]; |
| 1650 | return $youtube_id; |
| 1651 | } |
| 1652 | |
| 1653 | return false; |
| 1654 | } |
| 1655 | |
| 1656 | /** |
| 1657 | * @param string $url |
| 1658 | * |
| 1659 | * @return bool |
| 1660 | * |
| 1661 | * Get the vimeo video id from URL |
| 1662 | * |
| 1663 | * @since v.1.0.0 |
| 1664 | */ |
| 1665 | public function get_vimeo_video_id($url = ''){ |
| 1666 | if (preg_match('%^https?:\/\/(?:www\.|player\.)?vimeo.com\/(?:channels\/(?:\w+\/)?|groups\/([^\/]*)\/videos\/|album\/(\d+)\/video\/|video\/|)(\d+)(?:$|\/|\?)(?:[?]?.*)$%im', $url, $match)) { |
| 1667 | if (isset($match[3])){ |
| 1668 | return $match[3]; |
| 1669 | } |
| 1670 | } |
| 1671 | return false; |
| 1672 | } |
| 1673 | |
| 1674 | /** |
| 1675 | * @param int $post_id |
| 1676 | * |
| 1677 | * Mark lesson complete |
| 1678 | * |
| 1679 | * @since v.1.0.0 |
| 1680 | */ |
| 1681 | public function mark_lesson_complete($post_id = 0, $user_id = 0){ |
| 1682 | $post_id = $this->get_post_id($post_id); |
| 1683 | $user_id = $this->get_user_id($user_id); |
| 1684 | update_user_meta($user_id, '_tutor_completed_lesson_id_'.$post_id, time()); |
| 1685 | } |
| 1686 | |
| 1687 | /** |
| 1688 | * Saving enroll information to posts table |
| 1689 | * post_author = enrolled_student_id (wp_users id) |
| 1690 | * post_parent = enrolled course id |
| 1691 | * |
| 1692 | * @type: call when need |
| 1693 | * @return bool; |
| 1694 | * |
| 1695 | * @since v.1.0.0 |
| 1696 | */ |
| 1697 | public function do_enroll($course_id = 0, $order_id = 0){ |
| 1698 | if ( ! $course_id){ |
| 1699 | return false; |
| 1700 | } |
| 1701 | |
| 1702 | do_action('tutor_before_enroll', $course_id); |
| 1703 | $user_id = get_current_user_id(); |
| 1704 | $title = __('Course Enrolled', 'tutor')." – ".date_i18n(get_option('date_format')) .' @ '.date_i18n(get_option('time_format') ) ; |
| 1705 | |
| 1706 | $enrolment_status = 'completed'; |
| 1707 | |
| 1708 | if ($this->is_course_purchasable($course_id)) { |
| 1709 | /** |
| 1710 | * We need to verify this enrollment, we will change the status later after payment confirmation |
| 1711 | */ |
| 1712 | $enrolment_status = 'pending'; |
| 1713 | } |
| 1714 | |
| 1715 | $enroll_data = apply_filters('tutor_enroll_data', |
| 1716 | array( |
| 1717 | 'post_type' => 'tutor_enrolled', |
| 1718 | 'post_title' => $title, |
| 1719 | 'post_status' => $enrolment_status, |
| 1720 | 'post_author' => $user_id, |
| 1721 | 'post_parent' => $course_id, |
| 1722 | ) |
| 1723 | ); |
| 1724 | |
| 1725 | // Insert the post into the database |
| 1726 | $isEnrolled = wp_insert_post( $enroll_data ); |
| 1727 | if ($isEnrolled) { |
| 1728 | do_action('tutor_after_enroll', $course_id, $isEnrolled); |
| 1729 | |
| 1730 | //Mark Current User as Students with user meta data |
| 1731 | update_user_meta( $user_id, '_is_tutor_student', time() ); |
| 1732 | |
| 1733 | if ($order_id) { |
| 1734 | //Mark order for course and user |
| 1735 | $product_id = $this->get_course_product_id($course_id); |
| 1736 | update_post_meta( $isEnrolled, '_tutor_enrolled_by_order_id', $order_id ); |
| 1737 | update_post_meta( $isEnrolled, '_tutor_enrolled_by_product_id', $product_id ); |
| 1738 | update_post_meta( $order_id, '_is_tutor_order_for_course', time() ); |
| 1739 | update_post_meta( $order_id, '_tutor_order_for_course_id_'.$course_id, $isEnrolled ); |
| 1740 | } |
| 1741 | return true; |
| 1742 | } |
| 1743 | |
| 1744 | return false; |
| 1745 | } |
| 1746 | |
| 1747 | /** |
| 1748 | * @param $order_id |
| 1749 | * |
| 1750 | * Complete course enrollment and do some task |
| 1751 | * |
| 1752 | * @since v.1.0.0 |
| 1753 | */ |
| 1754 | public function complete_course_enroll($order_id){ |
| 1755 | if ( ! tutor_utils()->is_tutor_order($order_id)){ |
| 1756 | return; |
| 1757 | } |
| 1758 | |
| 1759 | global $wpdb; |
| 1760 | |
| 1761 | $enrolled_ids_with_course = $this->get_course_enrolled_ids_by_order_id($order_id); |
| 1762 | if ($enrolled_ids_with_course){ |
| 1763 | $enrolled_ids = wp_list_pluck($enrolled_ids_with_course, 'enrolled_id'); |
| 1764 | |
| 1765 | if (is_array($enrolled_ids) && count($enrolled_ids)){ |
| 1766 | foreach ($enrolled_ids as $enrolled_id){ |
| 1767 | $wpdb->update( $wpdb->posts, array( 'post_status' => 'completed' ), array( 'ID' => $enrolled_id ) ); |
| 1768 | } |
| 1769 | } |
| 1770 | } |
| 1771 | } |
| 1772 | |
| 1773 | /** |
| 1774 | * @param $order_id |
| 1775 | * |
| 1776 | * @return array|bool |
| 1777 | * |
| 1778 | * @since v.1.0.0 |
| 1779 | */ |
| 1780 | public function get_course_enrolled_ids_by_order_id($order_id){ |
| 1781 | global $wpdb; |
| 1782 | //Getting all of courses ids within this order |
| 1783 | |
| 1784 | $courses_ids = $wpdb->get_results("SELECT * FROM {$wpdb->postmeta} WHERE post_id = {$order_id} AND meta_key LIKE '_tutor_order_for_course_id_%' "); |
| 1785 | |
| 1786 | if (is_array($courses_ids) && count($courses_ids)){ |
| 1787 | $course_enrolled_by_order = array(); |
| 1788 | foreach ($courses_ids as $courses_id){ |
| 1789 | $course_id = str_replace('_tutor_order_for_course_id_', '',$courses_id->meta_key); |
| 1790 | //array(order_id => array('course_id' => $course_id, 'enrolled_id' => enrolled_id)) |
| 1791 | $course_enrolled_by_order[$courses_id->post_id] = array('course_id' => $course_id, 'enrolled_id' => $courses_id->meta_value); |
| 1792 | } |
| 1793 | return $course_enrolled_by_order; |
| 1794 | } |
| 1795 | return false; |
| 1796 | } |
| 1797 | |
| 1798 | /** |
| 1799 | * Get wc product in efficient query |
| 1800 | * |
| 1801 | * @since v.1.0.0 |
| 1802 | */ |
| 1803 | |
| 1804 | /** |
| 1805 | * @return array|null|object |
| 1806 | * |
| 1807 | * WooCommerce specific utils |
| 1808 | */ |
| 1809 | public function get_wc_products_db(){ |
| 1810 | global $wpdb; |
| 1811 | $query = $wpdb->get_results("SELECT ID, post_title from {$wpdb->posts} WHERE post_status = 'publish' AND post_type = 'product' "); |
| 1812 | |
| 1813 | return $query; |
| 1814 | } |
| 1815 | |
| 1816 | /** |
| 1817 | * @param int $course_id |
| 1818 | * |
| 1819 | * @return int |
| 1820 | * |
| 1821 | * Get course productID |
| 1822 | * |
| 1823 | * @since v.1.0.0 |
| 1824 | */ |
| 1825 | public function get_course_product_id($course_id = 0){ |
| 1826 | $course_id = $this->get_post_id($course_id); |
| 1827 | return (int) get_post_meta($course_id, '_tutor_course_product_id', true); |
| 1828 | } |
| 1829 | |
| 1830 | /** |
| 1831 | * @param int $product_id |
| 1832 | * |
| 1833 | * @return array|null|object|void |
| 1834 | * |
| 1835 | * Get Product belongs with course |
| 1836 | * |
| 1837 | * @since v.1.0.0 |
| 1838 | */ |
| 1839 | |
| 1840 | public function product_belongs_with_course($product_id = 0){ |
| 1841 | global $wpdb; |
| 1842 | |
| 1843 | $query = $wpdb->get_row("select * from {$wpdb->postmeta} WHERE meta_key='_tutor_course_product_id' AND meta_value = {$product_id} limit 1 "); |
| 1844 | return $query; |
| 1845 | } |
| 1846 | |
| 1847 | /** |
| 1848 | * #End WooCommerce specific utils |
| 1849 | * |
| 1850 | * @since v.1.0.0 |
| 1851 | */ |
| 1852 | |
| 1853 | public function get_enrolled_statuses(){ |
| 1854 | return array ( |
| 1855 | 'pending', |
| 1856 | 'processing', |
| 1857 | 'on-hold', |
| 1858 | 'completed', |
| 1859 | 'cancelled', |
| 1860 | 'refunded', |
| 1861 | 'failed', |
| 1862 | ); |
| 1863 | } |
| 1864 | |
| 1865 | /** |
| 1866 | * @param $order_id |
| 1867 | * |
| 1868 | * @return mixed |
| 1869 | * |
| 1870 | * determine is this a tutor order |
| 1871 | * |
| 1872 | * @since v.1.0.0 |
| 1873 | */ |
| 1874 | public function is_tutor_order($order_id){ |
| 1875 | return get_post_meta($order_id, '_is_tutor_order_for_course', true); |
| 1876 | } |
| 1877 | |
| 1878 | /** |
| 1879 | * @return mixed |
| 1880 | * |
| 1881 | * Tutor Dashboard Pages |
| 1882 | * |
| 1883 | * @since v.1.0.0 |
| 1884 | */ |
| 1885 | |
| 1886 | public function tutor_student_dashboard_pages(){ |
| 1887 | $nav_items = array( |
| 1888 | 'index' => __('Home', 'tutor'), |
| 1889 | 'my-courses' => __('My Courses', 'tutor'), |
| 1890 | 'active-courses' => __('Active Courses', 'tutor'), |
| 1891 | 'completed-courses' => __('Completed Courses', 'tutor'), |
| 1892 | 'wishlist' => __('WishList', 'tutor'), |
| 1893 | ); |
| 1894 | |
| 1895 | return apply_filters('tutor_dashboard/student/pages', $nav_items); |
| 1896 | } |
| 1897 | |
| 1898 | /** |
| 1899 | * @param string $page_key |
| 1900 | * @param int $page_id |
| 1901 | * |
| 1902 | * @return string |
| 1903 | * |
| 1904 | * Get tutor dashboard page single URL |
| 1905 | * |
| 1906 | * @since v.1.0.0 |
| 1907 | */ |
| 1908 | public function get_tutor_dashboard_page_permalink($page_key = '', $page_id = 0){ |
| 1909 | if ($page_key === 'index'){ |
| 1910 | $page_key = ''; |
| 1911 | } |
| 1912 | $page_id = $this->get_post_id($page_id); |
| 1913 | return trailingslashit(get_permalink($page_id)).$page_key; |
| 1914 | } |
| 1915 | |
| 1916 | /** |
| 1917 | * @param string $input |
| 1918 | * |
| 1919 | * @return array|bool|mixed|string |
| 1920 | * |
| 1921 | * Get old input |
| 1922 | * |
| 1923 | * @since v.1.0.0 |
| 1924 | */ |
| 1925 | public function input_old($input = ''){ |
| 1926 | $value = $this->avalue_dot($input, $_REQUEST); |
| 1927 | if ($value){ |
| 1928 | return $value; |
| 1929 | } |
| 1930 | return ''; |
| 1931 | } |
| 1932 | |
| 1933 | /** |
| 1934 | * @param int $user_id |
| 1935 | * |
| 1936 | * @return mixed |
| 1937 | * |
| 1938 | * Determine if is instructor or not |
| 1939 | * |
| 1940 | * @since v.1.0.0 |
| 1941 | */ |
| 1942 | public function is_instructor($user_id = 0){ |
| 1943 | $user_id = $this->get_user_id($user_id); |
| 1944 | return get_user_meta($user_id, '_is_tutor_instructor', true); |
| 1945 | } |
| 1946 | |
| 1947 | /** |
| 1948 | * @param int $user_id |
| 1949 | * @param bool $status_name |
| 1950 | * |
| 1951 | * @return bool|mixed |
| 1952 | * |
| 1953 | * Instructor status |
| 1954 | * |
| 1955 | * @since v.1.0.0 |
| 1956 | */ |
| 1957 | public function instructor_status($user_id = 0, $status_name = true){ |
| 1958 | $user_id = $this->get_user_id($user_id); |
| 1959 | |
| 1960 | $instructor_status = apply_filters('tutor_instructor_statuses', array( |
| 1961 | 'pending' => __('Pending', 'tutor'), |
| 1962 | 'approved' => __('Approved', 'tutor'), |
| 1963 | 'blocked' => __('Blocked', 'tutor'), |
| 1964 | )); |
| 1965 | |
| 1966 | $status = get_user_meta($user_id, '_tutor_instructor_status', true); |
| 1967 | |
| 1968 | if (isset($instructor_status[$status])){ |
| 1969 | if ( ! $status_name){ |
| 1970 | return $status; |
| 1971 | } |
| 1972 | return $instructor_status[$status]; |
| 1973 | } |
| 1974 | return false; |
| 1975 | } |
| 1976 | |
| 1977 | /** |
| 1978 | * @param string $search_term |
| 1979 | * |
| 1980 | * @return int |
| 1981 | * |
| 1982 | * Get total number of instructors |
| 1983 | * |
| 1984 | * @since v.1.0.0 |
| 1985 | */ |
| 1986 | |
| 1987 | public function get_total_instructors($search_term = ''){ |
| 1988 | $meta_key = '_is_tutor_instructor'; |
| 1989 | |
| 1990 | global $wpdb; |
| 1991 | |
| 1992 | if ($search_term){ |
| 1993 | $search_term = " AND ( {$wpdb->users}.display_name LIKE '%{$search_term}%' OR {$wpdb->users}.user_email LIKE '%{$search_term}%' ) "; |
| 1994 | } |
| 1995 | |
| 1996 | $count = $wpdb->get_var("SELECT COUNT({$wpdb->users}.ID) FROM {$wpdb->users} INNER JOIN {$wpdb->usermeta} ON ( {$wpdb->users}.ID = {$wpdb->usermeta}.user_id ) WHERE 1=1 AND ( {$wpdb->usermeta}.meta_key = '{$meta_key}' ) $search_term "); |
| 1997 | |
| 1998 | return (int) $count; |
| 1999 | } |
| 2000 | |
| 2001 | /** |
| 2002 | * @param int $start |
| 2003 | * @param int $limit |
| 2004 | * @param string $search_term |
| 2005 | * |
| 2006 | * @return array|null|object |
| 2007 | * |
| 2008 | * Get all instructors |
| 2009 | * |
| 2010 | * @since v.1.0.0 |
| 2011 | */ |
| 2012 | public function get_instructors($start = 0, $limit = 10, $search_term = ''){ |
| 2013 | $meta_key = '_is_tutor_instructor'; |
| 2014 | global $wpdb; |
| 2015 | |
| 2016 | if ($search_term){ |
| 2017 | $search_term = " AND ( {$wpdb->users}.display_name LIKE '%{$search_term}%' OR {$wpdb->users}.user_email LIKE '%{$search_term}%' ) "; |
| 2018 | } |
| 2019 | |
| 2020 | $instructors = $wpdb->get_results("SELECT SQL_CALC_FOUND_ROWS {$wpdb->users}.* FROM {$wpdb->users} |
| 2021 | INNER JOIN {$wpdb->usermeta} |
| 2022 | ON ( {$wpdb->users}.ID = {$wpdb->usermeta}.user_id ) |
| 2023 | WHERE 1=1 AND ( {$wpdb->usermeta}.meta_key = '{$meta_key}' ) {$search_term} |
| 2024 | ORDER BY {$wpdb->usermeta}.meta_value DESC |
| 2025 | LIMIT {$start}, {$limit} "); |
| 2026 | |
| 2027 | return $instructors; |
| 2028 | } |
| 2029 | |
| 2030 | /** |
| 2031 | * @param int $course_id |
| 2032 | * |
| 2033 | * @return array|bool|null|object |
| 2034 | * |
| 2035 | * Get all instructors by course |
| 2036 | * |
| 2037 | * @since v.1.0.0 |
| 2038 | */ |
| 2039 | public function get_instructors_by_course($course_id = 0){ |
| 2040 | global $wpdb; |
| 2041 | $course_id = $this->get_post_id($course_id); |
| 2042 | |
| 2043 | $instructors = $wpdb->get_results("select ID, display_name, |
| 2044 | get_course.meta_value as taught_course_id, |
| 2045 | tutor_job_title.meta_value as tutor_profile_job_title, |
| 2046 | tutor_bio.meta_value as tutor_profile_bio, |
| 2047 | tutor_photo.meta_value as tutor_profile_photo |
| 2048 | from {$wpdb->users} |
| 2049 | INNER JOIN {$wpdb->usermeta} get_course ON ID = get_course.user_id AND get_course.meta_key = '_tutor_instructor_course_id' AND get_course.meta_value = {$course_id} |
| 2050 | LEFT JOIN {$wpdb->usermeta} tutor_job_title ON ID = tutor_job_title.user_id AND tutor_job_title.meta_key = '_tutor_profile_job_title' |
| 2051 | LEFT JOIN {$wpdb->usermeta} tutor_bio ON ID = tutor_bio.user_id AND tutor_bio.meta_key = '_tutor_profile_bio' |
| 2052 | LEFT JOIN {$wpdb->usermeta} tutor_photo ON ID = tutor_photo.user_id AND tutor_photo.meta_key = '_tutor_profile_photo' |
| 2053 | "); |
| 2054 | |
| 2055 | if (is_array($instructors) && count($instructors)){ |
| 2056 | return $instructors; |
| 2057 | } |
| 2058 | |
| 2059 | return false; |
| 2060 | } |
| 2061 | |
| 2062 | /** |
| 2063 | * @param $instructor_id |
| 2064 | * |
| 2065 | * Get total Students by instructor |
| 2066 | * 1 enrollment = 1 student, so total enrolled for a equivalent total students (Tricks) |
| 2067 | * |
| 2068 | * @return int |
| 2069 | * |
| 2070 | * @since v.1.0.0 |
| 2071 | */ |
| 2072 | |
| 2073 | public function get_total_students_by_instructor($instructor_id){ |
| 2074 | global $wpdb; |
| 2075 | |
| 2076 | $course_post_type = tutor()->course_post_type; |
| 2077 | $count = $wpdb->get_var("SELECT COUNT(courses.ID) from {$wpdb->posts} courses |
| 2078 | |
| 2079 | INNER JOIN {$wpdb->posts} enrolled ON courses.ID = enrolled.post_parent AND enrolled.post_type = 'tutor_enrolled' |
| 2080 | WHERE courses.post_status = 'publish' |
| 2081 | AND courses.post_type = '{$course_post_type}' |
| 2082 | AND courses.post_author = {$instructor_id} ; "); |
| 2083 | return (int) $count; |
| 2084 | } |
| 2085 | |
| 2086 | /** |
| 2087 | * @param float $input |
| 2088 | * |
| 2089 | * @return float|string |
| 2090 | * |
| 2091 | * Get rating format from value |
| 2092 | * |
| 2093 | * @since v.1.0.0 |
| 2094 | */ |
| 2095 | public function get_rating_value($input = 0.00){ |
| 2096 | |
| 2097 | if ( $input > 0){ |
| 2098 | $input = number_format($input, 2); |
| 2099 | $int_value = (int) $input; |
| 2100 | $fraction = $input - $int_value; |
| 2101 | |
| 2102 | if ($fraction == 0){ |
| 2103 | $fraction = 0.00; |
| 2104 | }elseif($fraction > 0.5){ |
| 2105 | $fraction = 1; |
| 2106 | }else{ |
| 2107 | $fraction = 0.5; |
| 2108 | } |
| 2109 | |
| 2110 | return number_format( ($int_value + $fraction), 2); |
| 2111 | } |
| 2112 | return 0.00; |
| 2113 | } |
| 2114 | |
| 2115 | /** |
| 2116 | * @param float $current_rating |
| 2117 | * @param bool $echo |
| 2118 | * |
| 2119 | * @return string |
| 2120 | * |
| 2121 | * Generate star rating based in given rating value |
| 2122 | * |
| 2123 | * @since v.1.0.0 |
| 2124 | */ |
| 2125 | public function star_rating_generator($current_rating = 0.00, $echo = true){ |
| 2126 | $output = '<div class="tutor-star-rating-group">'; |
| 2127 | |
| 2128 | for ($i = 1; $i <=5 ; $i++){ |
| 2129 | $intRating = (int) $current_rating; |
| 2130 | |
| 2131 | if ($intRating >= $i){ |
| 2132 | $output.= '<i class="tutor-icon-star-full" data-rating-value="'.$i.'"></i>'; |
| 2133 | } else{ |
| 2134 | if ( ($current_rating - $i) == -0.5){ |
| 2135 | $output.= '<i class="tutor-icon-star-half" data-rating-value="'.$i.'"></i>'; |
| 2136 | }else{ |
| 2137 | $output.= '<i class="tutor-icon-star-line" data-rating-value="'.$i.'"></i>'; |
| 2138 | } |
| 2139 | } |
| 2140 | } |
| 2141 | |
| 2142 | $output .= "<div class='tutor-rating-gen-input'><input type='hidden' name='tutor_rating_gen_input' value='{$current_rating}' /> </div>"; |
| 2143 | |
| 2144 | $output .= "</div>"; |
| 2145 | |
| 2146 | if ($echo){ |
| 2147 | echo $output; |
| 2148 | } |
| 2149 | return $output; |
| 2150 | } |
| 2151 | |
| 2152 | /** |
| 2153 | * @param null $name |
| 2154 | * |
| 2155 | * @return string |
| 2156 | * |
| 2157 | * Generate text to avatar |
| 2158 | * |
| 2159 | * @since v.1.0.0 |
| 2160 | */ |
| 2161 | public function get_tutor_avatar($user_id = null, $size = 'thumbnail'){ |
| 2162 | global $wpdb; |
| 2163 | |
| 2164 | if ( ! $user_id){ |
| 2165 | return ''; |
| 2166 | } |
| 2167 | |
| 2168 | $user = $this->get_tutor_user($user_id); |
| 2169 | if ($user->tutor_profile_photo){ |
| 2170 | return '<img src="'.wp_get_attachment_image_url($user->tutor_profile_photo, $size).'" class="tutor-image-avatar" alt="" /> '; |
| 2171 | } |
| 2172 | |
| 2173 | $name = $user->display_name; |
| 2174 | $arr = explode(' ', trim($name)); |
| 2175 | |
| 2176 | if (count($arr) > 1){ |
| 2177 | $first_char = substr($arr[0], 0, 1) ; |
| 2178 | $second_char = substr($arr[1], 0, 1) ; |
| 2179 | }else{ |
| 2180 | $first_char = substr($arr[0], 0, 1) ; |
| 2181 | $second_char = substr($arr[0], 1, 1) ; |
| 2182 | } |
| 2183 | |
| 2184 | $initial_avatar = strtoupper($first_char.$second_char); |
| 2185 | |
| 2186 | $bg_color = '#'.substr(md5($initial_avatar), 0, 6); |
| 2187 | $initial_avatar = "<span class='tutor-text-avatar' style='background-color: {$bg_color}; color: #fff8e5'>{$initial_avatar}</span>"; |
| 2188 | |
| 2189 | return $initial_avatar; |
| 2190 | } |
| 2191 | |
| 2192 | /** |
| 2193 | * @param $user_id |
| 2194 | * |
| 2195 | * @return array|null|object|void |
| 2196 | * |
| 2197 | * Get tutor user |
| 2198 | * |
| 2199 | * @since v.1.0.0 |
| 2200 | */ |
| 2201 | |
| 2202 | public function get_tutor_user($user_id){ |
| 2203 | global $wpdb; |
| 2204 | |
| 2205 | $user = $wpdb->get_row("select ID, display_name, |
| 2206 | tutor_job_title.meta_value as tutor_profile_job_title, |
| 2207 | tutor_bio.meta_value as tutor_profile_bio, |
| 2208 | tutor_photo.meta_value as tutor_profile_photo |
| 2209 | |
| 2210 | from {$wpdb->users} |
| 2211 | LEFT JOIN {$wpdb->usermeta} tutor_job_title ON ID = tutor_job_title.user_id AND tutor_job_title.meta_key = '_tutor_profile_job_title' |
| 2212 | LEFT JOIN {$wpdb->usermeta} tutor_bio ON ID = tutor_bio.user_id AND tutor_bio.meta_key = '_tutor_profile_bio' |
| 2213 | LEFT JOIN {$wpdb->usermeta} tutor_photo ON ID = tutor_photo.user_id AND tutor_photo.meta_key = '_tutor_profile_photo' |
| 2214 | |
| 2215 | WHERE ID = {$user_id} "); |
| 2216 | return $user; |
| 2217 | } |
| 2218 | |
| 2219 | /** |
| 2220 | * @param int $course_id |
| 2221 | * @param int $offset |
| 2222 | * @param int $limit |
| 2223 | * |
| 2224 | * @return array|null|object |
| 2225 | * |
| 2226 | * get course reviews |
| 2227 | * |
| 2228 | * @since v.1.0.0 |
| 2229 | */ |
| 2230 | public function get_course_reviews($course_id = 0, $offset = 0, $limit = 150){ |
| 2231 | $course_id = $this->get_post_id($course_id); |
| 2232 | global $wpdb; |
| 2233 | |
| 2234 | $reviews = $wpdb->get_results("select {$wpdb->comments}.comment_ID, |
| 2235 | {$wpdb->comments}.comment_post_ID, |
| 2236 | {$wpdb->comments}.comment_author, |
| 2237 | {$wpdb->comments}.comment_author_email, |
| 2238 | {$wpdb->comments}.comment_date, |
| 2239 | {$wpdb->comments}.comment_content, |
| 2240 | {$wpdb->comments}.user_id, |
| 2241 | {$wpdb->commentmeta}.meta_value as rating, |
| 2242 | {$wpdb->users}.display_name |
| 2243 | |
| 2244 | from {$wpdb->comments} |
| 2245 | INNER JOIN {$wpdb->commentmeta} |
| 2246 | ON {$wpdb->comments}.comment_ID = {$wpdb->commentmeta}.comment_id |
| 2247 | INNER JOIN {$wpdb->users} |
| 2248 | ON {$wpdb->comments}.user_id = {$wpdb->users}.ID |
| 2249 | WHERE {$wpdb->comments}.comment_post_ID = {$course_id} |
| 2250 | AND comment_type = 'tutor_course_rating' AND meta_key = 'tutor_rating' ORDER BY comment_ID DESC LIMIT {$offset},{$limit} ;" |
| 2251 | ); |
| 2252 | |
| 2253 | return $reviews; |
| 2254 | } |
| 2255 | |
| 2256 | /** |
| 2257 | * @param int $course_id |
| 2258 | * |
| 2259 | * @return object |
| 2260 | * |
| 2261 | * Get course rating |
| 2262 | * |
| 2263 | * @since v.1.0.0 |
| 2264 | */ |
| 2265 | public function get_course_rating($course_id = 0){ |
| 2266 | $course_id = $this->get_post_id($course_id); |
| 2267 | |
| 2268 | $ratings = array( |
| 2269 | 'rating_count' => 0, |
| 2270 | 'rating_sum' => 0, |
| 2271 | 'rating_avg' => 0.00, |
| 2272 | ); |
| 2273 | |
| 2274 | global $wpdb; |
| 2275 | |
| 2276 | $rating = $wpdb->get_row("select COUNT(meta_value) as rating_count, SUM(meta_value) as rating_sum from {$wpdb->comments} |
| 2277 | INNER JOIN {$wpdb->commentmeta} |
| 2278 | ON {$wpdb->comments}.comment_ID = {$wpdb->commentmeta}.comment_id |
| 2279 | WHERE {$wpdb->comments}.comment_post_ID = {$course_id} |
| 2280 | AND meta_key = 'tutor_rating' ;" |
| 2281 | ); |
| 2282 | |
| 2283 | if ($rating->rating_count){ |
| 2284 | $avg_rating = number_format(($rating->rating_sum / $rating->rating_count), 2); |
| 2285 | |
| 2286 | $ratings = array( |
| 2287 | 'rating_count' => $rating->rating_count, |
| 2288 | 'rating_sum' => $rating->rating_sum, |
| 2289 | 'rating_avg' => $avg_rating, |
| 2290 | ); |
| 2291 | } |
| 2292 | |
| 2293 | return (object) $ratings; |
| 2294 | } |
| 2295 | |
| 2296 | /** |
| 2297 | * @param int $user_id |
| 2298 | * @param int $offset |
| 2299 | * @param int $limit |
| 2300 | * |
| 2301 | * @return array|null|object |
| 2302 | * |
| 2303 | * Get reviews by a user |
| 2304 | * |
| 2305 | * @since v.1.0.0 |
| 2306 | */ |
| 2307 | public function get_reviews_by_user($user_id = 0, $offset = 0, $limit = 150){ |
| 2308 | $user_id = $this->get_user_id($user_id); |
| 2309 | global $wpdb; |
| 2310 | |
| 2311 | $reviews = $wpdb->get_results("select {$wpdb->comments}.comment_ID, |
| 2312 | {$wpdb->comments}.comment_post_ID, |
| 2313 | {$wpdb->comments}.comment_author, |
| 2314 | {$wpdb->comments}.comment_author_email, |
| 2315 | {$wpdb->comments}.comment_date, |
| 2316 | {$wpdb->comments}.comment_content, |
| 2317 | {$wpdb->comments}.user_id, |
| 2318 | {$wpdb->commentmeta}.meta_value as rating, |
| 2319 | {$wpdb->users}.display_name |
| 2320 | |
| 2321 | from {$wpdb->comments} |
| 2322 | INNER JOIN {$wpdb->commentmeta} |
| 2323 | ON {$wpdb->comments}.comment_ID = {$wpdb->commentmeta}.comment_id |
| 2324 | INNER JOIN {$wpdb->users} |
| 2325 | ON {$wpdb->comments}.user_id = {$wpdb->users}.ID |
| 2326 | WHERE {$wpdb->comments}.user_id = {$user_id} |
| 2327 | AND comment_type = 'tutor_course_rating' AND meta_key = 'tutor_rating' ORDER BY comment_ID DESC LIMIT {$offset},{$limit} ;" |
| 2328 | ); |
| 2329 | |
| 2330 | return $reviews; |
| 2331 | } |
| 2332 | |
| 2333 | /** |
| 2334 | * @param $instructor_id |
| 2335 | * |
| 2336 | * @return object |
| 2337 | * |
| 2338 | * Get instructors rating |
| 2339 | * |
| 2340 | * @since v.1.0.0 |
| 2341 | */ |
| 2342 | public function get_instructor_ratings($instructor_id){ |
| 2343 | global $wpdb; |
| 2344 | |
| 2345 | $ratings = array( |
| 2346 | 'rating_count' => 0, |
| 2347 | 'rating_sum' => 0, |
| 2348 | 'rating_avg' => 0.00, |
| 2349 | ); |
| 2350 | |
| 2351 | $rating = $wpdb->get_row("SELECT COUNT(rating.meta_value) as rating_count, SUM(rating.meta_value) as rating_sum |
| 2352 | FROM {$wpdb->usermeta} courses |
| 2353 | INNER JOIN {$wpdb->comments} reviews ON courses.meta_value = reviews.comment_post_ID AND reviews.comment_type = 'tutor_course_rating' |
| 2354 | INNER JOIN {$wpdb->commentmeta} rating ON reviews.comment_ID = rating.comment_id AND rating.meta_key = 'tutor_rating' |
| 2355 | WHERE courses.user_id = {$instructor_id} AND courses.meta_key = '_tutor_instructor_course_id'"); |
| 2356 | |
| 2357 | if ($rating->rating_count){ |
| 2358 | $avg_rating = number_format(($rating->rating_sum / $rating->rating_count), 2); |
| 2359 | |
| 2360 | $ratings = array( |
| 2361 | 'rating_count' => $rating->rating_count, |
| 2362 | 'rating_sum' => $rating->rating_sum, |
| 2363 | 'rating_avg' => $avg_rating, |
| 2364 | ); |
| 2365 | } |
| 2366 | |
| 2367 | return (object) $ratings; |
| 2368 | } |
| 2369 | |
| 2370 | /** |
| 2371 | * @param int $course_id |
| 2372 | * @param int $user_id |
| 2373 | * |
| 2374 | * @return object |
| 2375 | * |
| 2376 | * Get course rating by user |
| 2377 | * |
| 2378 | * @since v.1.0.0 |
| 2379 | */ |
| 2380 | public function get_course_rating_by_user($course_id = 0, $user_id = 0){ |
| 2381 | $course_id = $this->get_post_id($course_id); |
| 2382 | $user_id = $this->get_user_id($user_id); |
| 2383 | |
| 2384 | $ratings = array( |
| 2385 | 'rating' => 0, |
| 2386 | 'review' => '', |
| 2387 | ); |
| 2388 | |
| 2389 | global $wpdb; |
| 2390 | |
| 2391 | $rating = $wpdb->get_row("select meta_value as rating, comment_content as review from {$wpdb->comments} |
| 2392 | INNER JOIN {$wpdb->commentmeta} |
| 2393 | ON {$wpdb->comments}.comment_ID = {$wpdb->commentmeta}.comment_id |
| 2394 | WHERE {$wpdb->comments}.comment_post_ID = {$course_id} AND user_id = {$user_id} |
| 2395 | AND meta_key = 'tutor_rating' ;" |
| 2396 | ); |
| 2397 | |
| 2398 | if ($rating){ |
| 2399 | $rating_format = number_format($rating->rating, 2); |
| 2400 | |
| 2401 | $ratings = array( |
| 2402 | 'rating' => $rating_format, |
| 2403 | 'review' => $rating->review, |
| 2404 | ); |
| 2405 | } |
| 2406 | return (object) $ratings; |
| 2407 | } |
| 2408 | |
| 2409 | /** |
| 2410 | * @param int $user_id |
| 2411 | * |
| 2412 | * @return null|string |
| 2413 | * |
| 2414 | * @since v.1.0.0 |
| 2415 | */ |
| 2416 | public function count_reviews_wrote_by_user($user_id = 0){ |
| 2417 | global $wpdb; |
| 2418 | $user_id = $this->get_user_id($user_id); |
| 2419 | |
| 2420 | $count_reviews = $wpdb->get_var("SELECT COUNT(comment_ID) from {$wpdb->comments} WHERE user_id = {$user_id} AND comment_type = 'tutor_course_rating' "); |
| 2421 | return $count_reviews; |
| 2422 | } |
| 2423 | |
| 2424 | /** |
| 2425 | * @param $size |
| 2426 | * |
| 2427 | * @return bool|int|string |
| 2428 | * |
| 2429 | * This function transforms the php.ini notation for numbers (like '2M') to an integer. |
| 2430 | * |
| 2431 | * @since v.1.0.0 |
| 2432 | */ |
| 2433 | |
| 2434 | function let_to_num( $size ) { |
| 2435 | $l = substr( $size, -1 ); |
| 2436 | $ret = substr( $size, 0, -1 ); |
| 2437 | $byte = 1024; |
| 2438 | |
| 2439 | switch ( strtoupper( $l ) ) { |
| 2440 | case 'P': |
| 2441 | $ret *= 1024; |
| 2442 | // No break. |
| 2443 | case 'T': |
| 2444 | $ret *= 1024; |
| 2445 | // No break. |
| 2446 | case 'G': |
| 2447 | $ret *= 1024; |
| 2448 | // No break. |
| 2449 | case 'M': |
| 2450 | $ret *= 1024; |
| 2451 | // No break. |
| 2452 | case 'K': |
| 2453 | $ret *= 1024; |
| 2454 | // No break. |
| 2455 | } |
| 2456 | return $ret; |
| 2457 | } |
| 2458 | |
| 2459 | /** |
| 2460 | * @return array |
| 2461 | * |
| 2462 | * Get Database version |
| 2463 | * |
| 2464 | * @since v.1.0.0 |
| 2465 | */ |
| 2466 | function get_db_version() { |
| 2467 | global $wpdb; |
| 2468 | |
| 2469 | if ( empty( $wpdb->is_mysql ) ) { |
| 2470 | return array( |
| 2471 | 'string' => '', |
| 2472 | 'number' => '', |
| 2473 | ); |
| 2474 | } |
| 2475 | |
| 2476 | if ( $wpdb->use_mysqli ) { |
| 2477 | $server_info = mysqli_get_server_info( $wpdb->dbh ); // @codingStandardsIgnoreLine. |
| 2478 | } else { |
| 2479 | $server_info = mysql_get_server_info( $wpdb->dbh ); // @codingStandardsIgnoreLine. |
| 2480 | } |
| 2481 | |
| 2482 | return array( |
| 2483 | 'string' => $server_info, |
| 2484 | 'number' => preg_replace( '/([^\d.]+).*/', '', $server_info ), |
| 2485 | ); |
| 2486 | } |
| 2487 | |
| 2488 | public function help_tip($tip = ''){ |
| 2489 | return '<span class="tutor-help-tip" data-tip="' . $tip . '"></span>'; |
| 2490 | } |
| 2491 | |
| 2492 | /** |
| 2493 | * @param int $course_id |
| 2494 | * @param int $user_id |
| 2495 | * @param int $offset |
| 2496 | * @param int $limit |
| 2497 | * |
| 2498 | * @return array|null|object |
| 2499 | * |
| 2500 | * Get top question |
| 2501 | * |
| 2502 | * @since v.1.0.0 |
| 2503 | */ |
| 2504 | public function get_top_question($course_id = 0, $user_id = 0, $offset = 0, $limit = 20){ |
| 2505 | $course_id = $this->get_post_id($course_id); |
| 2506 | $user_id = $this->get_user_id($user_id); |
| 2507 | |
| 2508 | global $wpdb; |
| 2509 | |
| 2510 | $questions = $wpdb->get_results("select {$wpdb->comments}.comment_ID, |
| 2511 | {$wpdb->comments}.comment_post_ID, |
| 2512 | {$wpdb->comments}.comment_author, |
| 2513 | {$wpdb->comments}.comment_date, |
| 2514 | {$wpdb->comments}.comment_content, |
| 2515 | {$wpdb->comments}.user_id, |
| 2516 | {$wpdb->commentmeta}.meta_value as question_title, |
| 2517 | {$wpdb->users}.display_name |
| 2518 | |
| 2519 | from {$wpdb->comments} |
| 2520 | INNER JOIN {$wpdb->commentmeta} |
| 2521 | ON {$wpdb->comments}.comment_ID = {$wpdb->commentmeta}.comment_id |
| 2522 | INNER JOIN {$wpdb->users} |
| 2523 | ON {$wpdb->comments}.user_id = {$wpdb->users}.ID |
| 2524 | WHERE {$wpdb->comments}.comment_post_ID = {$course_id} |
| 2525 | AND {$wpdb->comments}.user_id = {$user_id} |
| 2526 | AND {$wpdb->comments}.comment_type = 'tutor_q_and_a' |
| 2527 | AND meta_key = 'tutor_question_title' ORDER BY comment_ID DESC LIMIT {$offset},{$limit} ;" |
| 2528 | ); |
| 2529 | |
| 2530 | return $questions; |
| 2531 | } |
| 2532 | |
| 2533 | /** |
| 2534 | * @param string $search_term |
| 2535 | * |
| 2536 | * @return int |
| 2537 | * |
| 2538 | * Get total number of Q&A questions |
| 2539 | * |
| 2540 | * @since v.1.0.0 |
| 2541 | */ |
| 2542 | public function get_total_qa_question($search_term = ''){ |
| 2543 | global $wpdb; |
| 2544 | |
| 2545 | if ($search_term){ |
| 2546 | $search_term = " AND {$wpdb->commentmeta}.meta_value LIKE '%{$search_term}%' "; |
| 2547 | } |
| 2548 | |
| 2549 | $user_id = get_current_user_id(); |
| 2550 | $course_type = tutor()->course_post_type; |
| 2551 | |
| 2552 | $in_question_id_query = ''; |
| 2553 | /** |
| 2554 | * Get only assinged courses questions if current user is a |
| 2555 | */ |
| 2556 | if ( ! current_user_can('administrator') && current_user_can(tutor()->instructor_role)) { |
| 2557 | $get_course_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} WHERE post_author = {$user_id} AND post_type = '{$course_type}' AND post_status = 'publish' " ); |
| 2558 | $get_assigned_courses_ids = $wpdb->get_col( "SELECT meta_value from {$wpdb->usermeta} WHERE meta_key = '_tutor_instructor_course_id' AND user_id = {$user_id} " ); |
| 2559 | $my_course_ids = array_unique( array_merge( $get_course_ids, $get_assigned_courses_ids ) ); |
| 2560 | |
| 2561 | if ( $this->count( $my_course_ids ) ) { |
| 2562 | $implode_ids = implode( ',', $my_course_ids ); |
| 2563 | $in_question_id_query = " AND {$wpdb->comments}.comment_post_ID IN($implode_ids) "; |
| 2564 | } |
| 2565 | } |
| 2566 | |
| 2567 | $count = $wpdb->get_var("SELECT COUNT({$wpdb->comments}.comment_ID) FROM {$wpdb->comments} |
| 2568 | INNER JOIN {$wpdb->commentmeta} |
| 2569 | ON {$wpdb->comments}.comment_ID = {$wpdb->commentmeta}.comment_id |
| 2570 | WHERE comment_type = 'tutor_q_and_a' AND comment_parent = 0 {$in_question_id_query} {$search_term} "); |
| 2571 | |
| 2572 | return (int) $count; |
| 2573 | } |
| 2574 | |
| 2575 | /** |
| 2576 | * @param int $start |
| 2577 | * @param int $limit |
| 2578 | * @param string $search_term |
| 2579 | * |
| 2580 | * @return array|null|object |
| 2581 | * |
| 2582 | * |
| 2583 | * Get question and answer query |
| 2584 | * |
| 2585 | * @since v.1.0.0 |
| 2586 | */ |
| 2587 | public function get_qa_questions($start = 0, $limit = 10, $search_term = '') { |
| 2588 | global $wpdb; |
| 2589 | |
| 2590 | if ($search_term){ |
| 2591 | $search_term = " AND {$wpdb->commentmeta}.meta_value LIKE '%{$search_term}%' "; |
| 2592 | } |
| 2593 | |
| 2594 | $user_id = get_current_user_id(); |
| 2595 | $course_type = tutor()->course_post_type; |
| 2596 | |
| 2597 | $in_question_id_query = ''; |
| 2598 | /** |
| 2599 | * Get only assinged courses questions if current user is a |
| 2600 | */ |
| 2601 | if ( ! current_user_can('administrator') && current_user_can(tutor()->instructor_role)) { |
| 2602 | $get_course_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} WHERE post_author = {$user_id} AND post_type = '{$course_type}' AND post_status = 'publish' " ); |
| 2603 | $get_assigned_courses_ids = $wpdb->get_col( "SELECT meta_value from {$wpdb->usermeta} WHERE meta_key = '_tutor_instructor_course_id' AND user_id = {$user_id} " ); |
| 2604 | $my_course_ids = array_unique( array_merge( $get_course_ids, $get_assigned_courses_ids ) ); |
| 2605 | |
| 2606 | if ( $this->count( $my_course_ids ) ) { |
| 2607 | $implode_ids = implode( ',', $my_course_ids ); |
| 2608 | $in_question_id_query = " AND {$wpdb->comments}.comment_post_ID IN($implode_ids) "; |
| 2609 | } |
| 2610 | } |
| 2611 | |
| 2612 | $query = $wpdb->get_results("SELECT |
| 2613 | {$wpdb->comments}.comment_ID, |
| 2614 | {$wpdb->comments}.comment_post_ID, |
| 2615 | {$wpdb->comments}.comment_author, |
| 2616 | {$wpdb->comments}.comment_date, |
| 2617 | {$wpdb->comments}.comment_content, |
| 2618 | {$wpdb->comments}.user_id, |
| 2619 | {$wpdb->commentmeta}.meta_value as question_title, |
| 2620 | {$wpdb->users}.display_name, |
| 2621 | {$wpdb->posts}.post_title, |
| 2622 | |
| 2623 | (SELECT COUNT(answers_t.comment_ID) FROM {$wpdb->comments} answers_t |
| 2624 | WHERE answers_t.comment_parent = {$wpdb->comments}.comment_ID ) as answer_count |
| 2625 | |
| 2626 | FROM {$wpdb->comments} |
| 2627 | |
| 2628 | INNER JOIN {$wpdb->commentmeta} |
| 2629 | ON {$wpdb->comments}.comment_ID = {$wpdb->commentmeta}.comment_id |
| 2630 | |
| 2631 | INNER JOIN {$wpdb->posts} |
| 2632 | ON {$wpdb->comments}.comment_post_ID = {$wpdb->posts}.ID |
| 2633 | |
| 2634 | INNER JOIN {$wpdb->users} |
| 2635 | ON {$wpdb->comments}.user_id = {$wpdb->users}.ID |
| 2636 | |
| 2637 | WHERE {$wpdb->comments}.comment_type = 'tutor_q_and_a' AND {$wpdb->comments}.comment_parent = 0 {$search_term} |
| 2638 | {$in_question_id_query} |
| 2639 | ORDER BY {$wpdb->comments}.comment_ID DESC |
| 2640 | LIMIT {$start},{$limit}; "); |
| 2641 | |
| 2642 | return $query; |
| 2643 | } |
| 2644 | |
| 2645 | /** |
| 2646 | * @param $question_id |
| 2647 | * |
| 2648 | * @return array|null|object|void |
| 2649 | * |
| 2650 | * Get question for Q&A |
| 2651 | * |
| 2652 | * @since v.1.0.0 |
| 2653 | */ |
| 2654 | public function get_qa_question($question_id){ |
| 2655 | global $wpdb; |
| 2656 | $query = $wpdb->get_row("SELECT |
| 2657 | {$wpdb->comments}.comment_ID, |
| 2658 | {$wpdb->comments}.comment_post_ID, |
| 2659 | {$wpdb->comments}.comment_author, |
| 2660 | {$wpdb->comments}.comment_date, |
| 2661 | {$wpdb->comments}.comment_content, |
| 2662 | {$wpdb->comments}.user_id, |
| 2663 | {$wpdb->commentmeta}.meta_value as question_title, |
| 2664 | {$wpdb->users}.display_name, |
| 2665 | {$wpdb->posts}.post_title |
| 2666 | |
| 2667 | FROM {$wpdb->comments} |
| 2668 | INNER JOIN {$wpdb->commentmeta} |
| 2669 | ON {$wpdb->comments}.comment_ID = {$wpdb->commentmeta}.comment_id |
| 2670 | |
| 2671 | INNER JOIN {$wpdb->posts} |
| 2672 | ON {$wpdb->comments}.comment_post_ID = {$wpdb->posts}.ID |
| 2673 | |
| 2674 | INNER JOIN {$wpdb->users} |
| 2675 | ON {$wpdb->comments}.user_id = {$wpdb->users}.ID |
| 2676 | WHERE comment_type = 'tutor_q_and_a' AND {$wpdb->comments}.comment_ID = {$question_id}"); |
| 2677 | |
| 2678 | return $query; |
| 2679 | } |
| 2680 | |
| 2681 | /** |
| 2682 | * @param $question_id |
| 2683 | * |
| 2684 | * @return array|null|object |
| 2685 | * |
| 2686 | * Get question and asnwer by question |
| 2687 | */ |
| 2688 | public function get_qa_answer_by_question($question_id){ |
| 2689 | global $wpdb; |
| 2690 | $query = $wpdb->get_results("SELECT |
| 2691 | {$wpdb->comments}.comment_ID, |
| 2692 | {$wpdb->comments}.comment_post_ID, |
| 2693 | {$wpdb->comments}.comment_author, |
| 2694 | {$wpdb->comments}.comment_date, |
| 2695 | {$wpdb->comments}.comment_content, |
| 2696 | {$wpdb->comments}.comment_parent, |
| 2697 | {$wpdb->comments}.user_id, |
| 2698 | {$wpdb->users}.display_name |
| 2699 | |
| 2700 | FROM {$wpdb->comments} |
| 2701 | |
| 2702 | INNER JOIN {$wpdb->users} |
| 2703 | ON {$wpdb->comments}.user_id = {$wpdb->users}.ID |
| 2704 | WHERE comment_type = 'tutor_q_and_a' |
| 2705 | AND {$wpdb->comments}.comment_parent = {$question_id} ORDER BY {$wpdb->comments}.comment_ID ASC "); |
| 2706 | |
| 2707 | return $query; |
| 2708 | } |
| 2709 | |
| 2710 | public function unanswered_question_count(){ |
| 2711 | global $wpdb; |
| 2712 | |
| 2713 | $count = $wpdb->get_var("select COUNT({$wpdb->comments}.comment_ID) |
| 2714 | from {$wpdb->comments} |
| 2715 | WHERE {$wpdb->comments}.comment_type = 'tutor_q_and_a' |
| 2716 | AND {$wpdb->comments}.comment_approved = 'waiting_for_answer' |
| 2717 | AND {$wpdb->comments}.comment_parent = 0;"); |
| 2718 | return (int) $count; |
| 2719 | } |
| 2720 | |
| 2721 | /** |
| 2722 | * @param int $course_id |
| 2723 | * |
| 2724 | * @return array|null|object |
| 2725 | * |
| 2726 | * Return all of announcements for a course |
| 2727 | * |
| 2728 | * @since v.1.0.0 |
| 2729 | */ |
| 2730 | public function get_announcements($course_id = 0){ |
| 2731 | $course_id = $this->get_post_id($course_id); |
| 2732 | global $wpdb; |
| 2733 | |
| 2734 | $query = $wpdb->get_results("select {$wpdb->posts}.ID, post_author, post_date, post_content, post_title, display_name |
| 2735 | from {$wpdb->posts} |
| 2736 | INNER JOIN {$wpdb->users} ON post_author = {$wpdb->users}.ID |
| 2737 | WHERE post_type = 'tutor_announcements' |
| 2738 | AND post_parent = {$course_id} ORDER BY {$wpdb->posts}.ID DESC;"); |
| 2739 | return $query; |
| 2740 | } |
| 2741 | |
| 2742 | /** |
| 2743 | * @param string $content |
| 2744 | * |
| 2745 | * @return mixed |
| 2746 | * |
| 2747 | * Announcement content |
| 2748 | * |
| 2749 | * @since v.1.0.0 |
| 2750 | */ |
| 2751 | |
| 2752 | public function announcement_content($content = ''){ |
| 2753 | $search = array('{user_display_name}'); |
| 2754 | |
| 2755 | $user_display_name = 'User'; |
| 2756 | if (is_user_logged_in()){ |
| 2757 | $user = wp_get_current_user(); |
| 2758 | $user_display_name = $user->display_name; |
| 2759 | } |
| 2760 | $replace = array($user_display_name); |
| 2761 | |
| 2762 | return str_replace($search, $replace, $content); |
| 2763 | } |
| 2764 | |
| 2765 | /** |
| 2766 | * @param int $post_id |
| 2767 | * @param string $option_key |
| 2768 | * @param bool $default |
| 2769 | * |
| 2770 | * @return array|bool|mixed |
| 2771 | * |
| 2772 | * Get the quiz option from meta |
| 2773 | */ |
| 2774 | public function get_quiz_option($post_id = 0, $option_key = '', $default = false){ |
| 2775 | $post_id = $this->get_post_id($post_id); |
| 2776 | $get_option_meta = maybe_unserialize(get_post_meta($post_id, 'tutor_quiz_option', true)); |
| 2777 | |
| 2778 | if ( ! $option_key && ! empty($get_option_meta)) { |
| 2779 | return $get_option_meta; |
| 2780 | } |
| 2781 | |
| 2782 | $value = $this->avalue_dot( $option_key, $get_option_meta ); |
| 2783 | if ( $value ) { |
| 2784 | return $value; |
| 2785 | } |
| 2786 | return $default; |
| 2787 | } |
| 2788 | |
| 2789 | |
| 2790 | /** |
| 2791 | * @param int $quiz_id |
| 2792 | * |
| 2793 | * @return array|bool|null|object |
| 2794 | * |
| 2795 | * Get the questions by quiz ID |
| 2796 | */ |
| 2797 | public function get_questions_by_quiz($quiz_id = 0){ |
| 2798 | $quiz_id = $this->get_post_id($quiz_id); |
| 2799 | global $wpdb; |
| 2800 | |
| 2801 | //$questions = $wpdb->get_results("SELECT ID, post_content, post_title, post_parent from {$wpdb->posts} WHERE post_type = 'tutor_question' |
| 2802 | // AND post_parent = {$quiz_id} ORDER BY menu_order ASC "); |
| 2803 | |
| 2804 | $questions = $wpdb->get_results("SELECT * from {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = {$quiz_id} ORDER BY question_order ASC "); |
| 2805 | |
| 2806 | if (is_array($questions) && count($questions)){ |
| 2807 | return $questions; |
| 2808 | } |
| 2809 | return false; |
| 2810 | } |
| 2811 | |
| 2812 | /** |
| 2813 | * @param int $question_id |
| 2814 | * |
| 2815 | * @return array|bool|object|void|null |
| 2816 | * |
| 2817 | * Get Quiz question by question id |
| 2818 | */ |
| 2819 | public function get_quiz_question_by_id($question_id = 0){ |
| 2820 | global $wpdb; |
| 2821 | |
| 2822 | if ($question_id){ |
| 2823 | $question = $wpdb->get_row("SELECT * from {$wpdb->prefix}tutor_quiz_questions WHERE question_id = {$question_id} LIMIT 0,1 ;"); |
| 2824 | return $question; |
| 2825 | } |
| 2826 | |
| 2827 | return false; |
| 2828 | } |
| 2829 | |
| 2830 | /** |
| 2831 | * @param null $type |
| 2832 | * |
| 2833 | * @return array|mixed |
| 2834 | * |
| 2835 | * Get all question types |
| 2836 | * |
| 2837 | * @since v.1.0.0 |
| 2838 | */ |
| 2839 | |
| 2840 | public function get_question_types($type = null){ |
| 2841 | $types = array( |
| 2842 | 'true_false' => array('name' => __('True/False', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-yes-no"></i>'), |
| 2843 | 'single_choice' => array('name' => __('Single Choice', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-mark"></i>'), |
| 2844 | 'multiple_choice' => array('name' => __('Multiple Choice', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-multiple-choice"></i>'), |
| 2845 | 'open_ended' => array('name' => __('Open Ended/Essay', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-open-ended"></i>'), |
| 2846 | 'short_answer' => array('name' => __('Short Answer', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-short-ans"></i>'), |
| 2847 | 'fill_in_the_blank' => array('name' => __('Fill In The Blank', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-fill-gaps"></i>'), |
| 2848 | 'answer_sorting' => array('name' => __('Answer Sorting', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-answer-shorting"></i>'), |
| 2849 | 'assessment' => array('name' => __('Assessment', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-assesment"></i>'), |
| 2850 | 'matching' => array('name' => __('Matching', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-matching"></i>'), |
| 2851 | 'image_matching' => array('name' => __('Image Matching', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-image-matching"></i>'), |
| 2852 | 'image_answering' => array('name' => __('Image Answering', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-image-ans"></i>'), |
| 2853 | 'ordering' => array('name' => __('Ordering', 'tutor'), 'icon' => '<i class="tutor-icon-block tutor-icon-ordering"></i>'), |
| 2854 | ); |
| 2855 | |
| 2856 | if (isset($types[$type])){ |
| 2857 | return $types[$type]; |
| 2858 | } |
| 2859 | return $types; |
| 2860 | } |
| 2861 | |
| 2862 | public function get_quiz_answer_options_by_question($question_id){ |
| 2863 | global $wpdb; |
| 2864 | |
| 2865 | $answer_options = $wpdb->get_results("select |
| 2866 | {$wpdb->comments}.comment_ID, |
| 2867 | {$wpdb->comments}.comment_post_ID, |
| 2868 | {$wpdb->comments}.comment_content |
| 2869 | |
| 2870 | FROM {$wpdb->comments} |
| 2871 | WHERE {$wpdb->comments}.comment_post_ID = {$question_id} |
| 2872 | AND {$wpdb->comments}.comment_type = 'quiz_answer_option' |
| 2873 | ORDER BY {$wpdb->comments}.comment_karma ASC ;"); |
| 2874 | |
| 2875 | if (is_array($answer_options) && count($answer_options)){ |
| 2876 | return $answer_options; |
| 2877 | } |
| 2878 | return false; |
| 2879 | } |
| 2880 | |
| 2881 | /** |
| 2882 | * @param $quiz_id |
| 2883 | * |
| 2884 | * @return int |
| 2885 | * |
| 2886 | * Get the next question order ID |
| 2887 | * |
| 2888 | * @since v.1.0.0 |
| 2889 | */ |
| 2890 | |
| 2891 | public function quiz_next_question_order_id($quiz_id){ |
| 2892 | global $wpdb; |
| 2893 | |
| 2894 | //$last_order = (int) $wpdb->get_var("SELECT MAX(menu_order) FROM {$wpdb->posts} WHERE post_parent = {$quiz_id} AND post_type = |
| 2895 | // 'tutor_question';"); |
| 2896 | |
| 2897 | $last_order = (int) $wpdb->get_var("SELECT MAX(question_order) FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = {$quiz_id} ;"); |
| 2898 | return $last_order + 1; |
| 2899 | } |
| 2900 | |
| 2901 | /** |
| 2902 | * @param $quiz_id |
| 2903 | * |
| 2904 | * @return int |
| 2905 | * |
| 2906 | * new design quiz question |
| 2907 | * @since v.1.0.0 |
| 2908 | */ |
| 2909 | public function quiz_next_question_id(){ |
| 2910 | global $wpdb; |
| 2911 | |
| 2912 | $last_order = (int) $wpdb->get_var("SELECT MAX(question_id) FROM {$wpdb->prefix}tutor_quiz_questions;"); |
| 2913 | return $last_order + 1; |
| 2914 | } |
| 2915 | |
| 2916 | public function get_quiz_id_by_question($question_id){ |
| 2917 | global $wpdb; |
| 2918 | |
| 2919 | $quiz_id = $wpdb->get_var("SELECT post_parent FROM {$wpdb->posts} WHERE ID = {$question_id} AND post_type = 'tutor_question' ;"); |
| 2920 | return $quiz_id; |
| 2921 | } |
| 2922 | |
| 2923 | /** |
| 2924 | * @param array $config |
| 2925 | * |
| 2926 | * @return array|bool|null|object |
| 2927 | * |
| 2928 | * It was used in previous quiz algorithm |
| 2929 | * |
| 2930 | * @deprecated |
| 2931 | * |
| 2932 | * @since v.1.0.0 |
| 2933 | */ |
| 2934 | public function get_unattached_quiz($config = array()){ |
| 2935 | global $wpdb; |
| 2936 | |
| 2937 | $default_attr = array( |
| 2938 | 'search_term' => '', |
| 2939 | 'start' => '0', |
| 2940 | 'limit' => '10', |
| 2941 | 'order' => 'DESC', |
| 2942 | 'order_by' => 'ID', |
| 2943 | ); |
| 2944 | $attr = array_merge($default_attr, $config); |
| 2945 | extract($attr); |
| 2946 | |
| 2947 | $search_query = ''; |
| 2948 | if (! empty($search_term)){ |
| 2949 | $search_query = "AND post_title LIKE '%{$search_term}%'"; |
| 2950 | } |
| 2951 | |
| 2952 | $questions = $wpdb->get_results("SELECT ID, post_content, post_title, post_parent from {$wpdb->posts} WHERE post_type = 'tutor_quiz' AND post_status = 'publish' AND post_parent = 0 {$search_query} ORDER BY {$order_by} {$order} LIMIT {$start},{$limit} "); |
| 2953 | |
| 2954 | if (is_array($questions) && count($questions)){ |
| 2955 | return $questions; |
| 2956 | } |
| 2957 | return false; |
| 2958 | } |
| 2959 | |
| 2960 | /** |
| 2961 | * @param int $post_id |
| 2962 | * |
| 2963 | * @return array|bool|null|object |
| 2964 | * |
| 2965 | * @since v.1.0.0 |
| 2966 | */ |
| 2967 | public function get_attached_quiz($post_id = 0){ |
| 2968 | global $wpdb; |
| 2969 | |
| 2970 | $post_id = $this->get_post_id($post_id); |
| 2971 | |
| 2972 | $questions = $wpdb->get_results("SELECT ID, post_content, post_title, post_parent from {$wpdb->posts} WHERE post_type = 'tutor_quiz' AND post_status = 'publish' AND post_parent = {$post_id}"); |
| 2973 | |
| 2974 | if (is_array($questions) && count($questions)){ |
| 2975 | return $questions; |
| 2976 | } |
| 2977 | return false; |
| 2978 | } |
| 2979 | |
| 2980 | /** |
| 2981 | * @param $quiz_id |
| 2982 | * |
| 2983 | * @return array|bool|null|object|void |
| 2984 | * |
| 2985 | * Get course by quiz |
| 2986 | * |
| 2987 | * @since v.1.0.0 |
| 2988 | */ |
| 2989 | |
| 2990 | public function get_course_by_quiz($quiz_id){ |
| 2991 | global $wpdb; |
| 2992 | |
| 2993 | $quiz_id = $this->get_post_id($quiz_id); |
| 2994 | $post = get_post($quiz_id); |
| 2995 | |
| 2996 | if ($post) { |
| 2997 | $course_post_type = tutor()->course_post_type; |
| 2998 | $course = $wpdb->get_row( "select ID, post_name, post_type, post_parent from {$wpdb->posts} where ID = {$post->post_parent} " ); |
| 2999 | |
| 3000 | if ($course) { |
| 3001 | //Checking if this topic |
| 3002 | if ( $course->post_type !== $course_post_type ) { |
| 3003 | $course = $wpdb->get_row( "select ID, post_name, post_type, post_parent from {$wpdb->posts} where ID = {$course->post_parent} " ); |
| 3004 | } |
| 3005 | //Checking if this lesson |
| 3006 | if ( $course->post_type !== $course_post_type ) { |
| 3007 | $course = $wpdb->get_row( "select ID, post_name, post_type, post_parent from {$wpdb->posts} where ID = {$course->post_parent} " ); |
| 3008 | } |
| 3009 | |
| 3010 | return $course; |
| 3011 | } |
| 3012 | } |
| 3013 | |
| 3014 | return false; |
| 3015 | } |
| 3016 | |
| 3017 | /** |
| 3018 | * @param $quiz_id |
| 3019 | * |
| 3020 | * @return int |
| 3021 | * |
| 3022 | * @since v.1.0.0 |
| 3023 | */ |
| 3024 | public function total_questions_for_student_by_quiz($quiz_id){ |
| 3025 | $quiz_id = $this->get_post_id($quiz_id); |
| 3026 | global $wpdb; |
| 3027 | |
| 3028 | $total_question = (int) $wpdb->get_var("select count(ID) from {$wpdb->posts} where post_parent = {$quiz_id} AND post_type = 'tutor_question' "); |
| 3029 | |
| 3030 | return $total_question; |
| 3031 | } |
| 3032 | |
| 3033 | /** |
| 3034 | * @param int $quiz_id |
| 3035 | * |
| 3036 | * @return array|null|object|void |
| 3037 | * |
| 3038 | * Determine if there is any started quiz exists |
| 3039 | * |
| 3040 | * @since v.1.0.0 |
| 3041 | */ |
| 3042 | |
| 3043 | public function is_started_quiz($quiz_id = 0){ |
| 3044 | global $wpdb; |
| 3045 | |
| 3046 | $quiz_id = $this->get_post_id($quiz_id); |
| 3047 | $user_id = get_current_user_id(); |
| 3048 | |
| 3049 | $is_started = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_attempts WHERE user_id = {$user_id} AND quiz_id = {$quiz_id} AND attempt_status = 'attempt_started' "); |
| 3050 | |
| 3051 | return $is_started; |
| 3052 | } |
| 3053 | |
| 3054 | /** |
| 3055 | * @param $quiz_id |
| 3056 | * |
| 3057 | * Method for get the total amount of question for a quiz |
| 3058 | * Student will answer this amount of question, one quiz have many question |
| 3059 | * but student will answer a specific amount of questions |
| 3060 | * |
| 3061 | * @return int |
| 3062 | * |
| 3063 | * @since v.1.0.0 |
| 3064 | */ |
| 3065 | |
| 3066 | public function max_questions_for_take_quiz($quiz_id){ |
| 3067 | $quiz_id = $this->get_post_id($quiz_id); |
| 3068 | global $wpdb; |
| 3069 | |
| 3070 | $max_questions = (int) $wpdb->get_var("select count(question_id) from {$wpdb->prefix}tutor_quiz_questions where quiz_id = {$quiz_id} "); |
| 3071 | $max_mentioned = (int) $this->get_quiz_option($quiz_id, 'max_questions_for_answer', 10); |
| 3072 | |
| 3073 | if ($max_mentioned < $max_questions ){ |
| 3074 | return $max_mentioned; |
| 3075 | } |
| 3076 | |
| 3077 | return $max_questions; |
| 3078 | } |
| 3079 | |
| 3080 | /** |
| 3081 | * @param int $attempt_id |
| 3082 | * |
| 3083 | * @return array|bool|null|object|void |
| 3084 | * |
| 3085 | * Get single quiz attempt |
| 3086 | * |
| 3087 | * @since v.1.0.0 |
| 3088 | */ |
| 3089 | public function get_attempt($attempt_id = 0){ |
| 3090 | global $wpdb; |
| 3091 | if ( ! $attempt_id){ |
| 3092 | return false; |
| 3093 | } |
| 3094 | $attempt = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_attempts WHERE attempt_id = {$attempt_id} "); |
| 3095 | return $attempt; |
| 3096 | } |
| 3097 | |
| 3098 | /** |
| 3099 | * @param $attempt_info |
| 3100 | * |
| 3101 | * @return mixed |
| 3102 | * |
| 3103 | * Get unserialize attempt info |
| 3104 | * |
| 3105 | * @since v.1.0.0 |
| 3106 | */ |
| 3107 | |
| 3108 | public function quiz_attempt_info($attempt_info){ |
| 3109 | return maybe_unserialize($attempt_info); |
| 3110 | } |
| 3111 | |
| 3112 | /** |
| 3113 | * @param $quiz_attempt_id |
| 3114 | * @param array $attempt_info |
| 3115 | * |
| 3116 | * @return bool|int |
| 3117 | * |
| 3118 | * Update attempt for various action |
| 3119 | * |
| 3120 | * @since v.1.0.0 |
| 3121 | */ |
| 3122 | public function quiz_update_attempt_info($quiz_attempt_id, $attempt_info = array()){ |
| 3123 | $answers = tutor_utils()->avalue_dot('answers', $attempt_info); |
| 3124 | $total_marks = array_sum(wp_list_pluck($answers, 'question_mark')); |
| 3125 | $earned_marks = tutor_utils()->avalue_dot('marks_earned', $attempt_info); |
| 3126 | $earned_mark_percent = $earned_marks > 0 ? ( number_format(($earned_marks * 100) / $total_marks)) : 0; |
| 3127 | update_comment_meta($quiz_attempt_id, 'earned_mark_percent', $earned_mark_percent); |
| 3128 | |
| 3129 | return update_comment_meta($quiz_attempt_id,'quiz_attempt_info', $attempt_info); |
| 3130 | } |
| 3131 | |
| 3132 | /** |
| 3133 | * @param int $quiz_id |
| 3134 | * |
| 3135 | * @return array|null|object |
| 3136 | * |
| 3137 | * Get random question by quiz id |
| 3138 | * |
| 3139 | * @since v.1.0.0 |
| 3140 | */ |
| 3141 | |
| 3142 | public function get_random_question_by_quiz($quiz_id = 0){ |
| 3143 | global $wpdb; |
| 3144 | |
| 3145 | $quiz_id = $this->get_post_id($quiz_id); |
| 3146 | $is_attempt = $this->is_started_quiz($quiz_id); |
| 3147 | |
| 3148 | $tempSql = " AND question_type = 'matching' "; |
| 3149 | $questions = $wpdb->get_results("SELECT * FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = {$quiz_id} {$tempSql} ORDER BY RAND() LIMIT 0,1 "); |
| 3150 | |
| 3151 | return $questions; |
| 3152 | } |
| 3153 | |
| 3154 | /** |
| 3155 | * @param int $quiz_id |
| 3156 | * |
| 3157 | * @return array|null|object |
| 3158 | * |
| 3159 | * Get random questions by quiz |
| 3160 | */ |
| 3161 | public function get_random_questions_by_quiz($quiz_id = 0){ |
| 3162 | global $wpdb; |
| 3163 | |
| 3164 | $quiz_id = $this->get_post_id($quiz_id); |
| 3165 | $attempt = $this->is_started_quiz($quiz_id); |
| 3166 | if ( ! $attempt){ |
| 3167 | return false; |
| 3168 | } |
| 3169 | |
| 3170 | $questions = $wpdb->get_results("SELECT * FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = {$quiz_id} ORDER BY RAND() LIMIT {$attempt->total_questions} "); |
| 3171 | |
| 3172 | return $questions; |
| 3173 | } |
| 3174 | |
| 3175 | /** |
| 3176 | * @param $question_id |
| 3177 | * @param bool $rand |
| 3178 | * |
| 3179 | * @return array|bool|null|object |
| 3180 | * |
| 3181 | * Get answers list by quiz question |
| 3182 | * |
| 3183 | * @since v.1.0.0 |
| 3184 | */ |
| 3185 | public function get_answers_by_quiz_question($question_id, $rand = false){ |
| 3186 | global $wpdb; |
| 3187 | |
| 3188 | |
| 3189 | $question = $wpdb->get_row("SELECT * from {$wpdb->prefix}tutor_quiz_questions WHERE question_id = {$question_id} ;"); |
| 3190 | if ( ! $question){ |
| 3191 | return false; |
| 3192 | } |
| 3193 | |
| 3194 | $order = " answer_order ASC "; |
| 3195 | if ($question->question_type === 'ordering'){ |
| 3196 | $order = " RAND() "; |
| 3197 | } |
| 3198 | |
| 3199 | if ($rand){ |
| 3200 | $order = " RAND() "; |
| 3201 | } |
| 3202 | |
| 3203 | $answers = $wpdb->get_results("SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id = {$question_id} AND belongs_question_type = |
| 3204 | '{$question->question_type}' order by {$order} "); |
| 3205 | return $answers; |
| 3206 | } |
| 3207 | |
| 3208 | /** |
| 3209 | * @param int $quiz_id |
| 3210 | * @param int $user_id |
| 3211 | * |
| 3212 | * @return array|bool|null|object |
| 3213 | * |
| 3214 | * Get all of the attempts by an user of a quiz |
| 3215 | * |
| 3216 | * @since v.1.0.0 |
| 3217 | */ |
| 3218 | |
| 3219 | public function quiz_attempts($quiz_id = 0, $user_id = 0){ |
| 3220 | global $wpdb; |
| 3221 | |
| 3222 | $quiz_id = $this->get_post_id($quiz_id); |
| 3223 | $user_id = $this->get_user_id($user_id); |
| 3224 | |
| 3225 | $attempts = $wpdb->get_results("SELECT * FROM {$wpdb->prefix}tutor_quiz_attempts WHERE quiz_id = {$quiz_id} AND user_id = {$user_id} "); |
| 3226 | |
| 3227 | if (is_array($attempts) && count($attempts)){ |
| 3228 | return $attempts; |
| 3229 | } |
| 3230 | |
| 3231 | return false; |
| 3232 | } |
| 3233 | |
| 3234 | /** |
| 3235 | * @param string $search_term |
| 3236 | * |
| 3237 | * @return int |
| 3238 | * |
| 3239 | * Total number of quiz attempts |
| 3240 | * |
| 3241 | * @since v.1.0.0 |
| 3242 | */ |
| 3243 | |
| 3244 | public function get_total_quiz_attempts($search_term = ''){ |
| 3245 | global $wpdb; |
| 3246 | |
| 3247 | if ($search_term){ |
| 3248 | $search_term = " AND ( user_email like '%{$search_term}%' OR display_name like '%{$search_term}%' OR post_title like '%{$search_term}%' ) "; |
| 3249 | } |
| 3250 | |
| 3251 | $count = $wpdb->get_var("SELECT COUNT(attempt_id) |
| 3252 | FROM {$wpdb->prefix}tutor_quiz_attempts quiz_attempts |
| 3253 | INNER JOIN {$wpdb->posts} quiz |
| 3254 | ON quiz_attempts.quiz_id = quiz.ID |
| 3255 | INNER JOIN {$wpdb->users} |
| 3256 | ON quiz_attempts.user_id = {$wpdb->users}.ID |
| 3257 | WHERE 1=1 AND quiz_attempts.attempt_ended_at <= NOW() {$search_term} "); |
| 3258 | return (int) $count; |
| 3259 | } |
| 3260 | |
| 3261 | /** |
| 3262 | * @param int $start |
| 3263 | * @param int $limit |
| 3264 | * @param string $search_term |
| 3265 | * |
| 3266 | * @return array|null|object |
| 3267 | * |
| 3268 | * |
| 3269 | * Get the all quiz attempts |
| 3270 | * |
| 3271 | * @since v.1.0.0 |
| 3272 | */ |
| 3273 | public function get_quiz_attempts($start = 0, $limit = 10, $search_term = '') { |
| 3274 | global $wpdb; |
| 3275 | |
| 3276 | if ($search_term){ |
| 3277 | $search_term = " AND ( user_email like '%{$search_term}%' OR display_name like '%{$search_term}%' OR post_title like '%{$search_term}%' ) "; |
| 3278 | } |
| 3279 | |
| 3280 | $query = $wpdb->get_results("SELECT * |
| 3281 | FROM {$wpdb->prefix}tutor_quiz_attempts quiz_attempts |
| 3282 | INNER JOIN {$wpdb->posts} quiz |
| 3283 | ON quiz_attempts.quiz_id = quiz.ID |
| 3284 | INNER JOIN {$wpdb->users} |
| 3285 | ON quiz_attempts.user_id = {$wpdb->users}.ID |
| 3286 | WHERE 1=1 AND quiz_attempts.attempt_ended_at <= NOW() {$search_term} |
| 3287 | ORDER BY quiz_attempts.attempt_id DESC |
| 3288 | LIMIT {$start},{$limit}; "); |
| 3289 | return $query; |
| 3290 | } |
| 3291 | |
| 3292 | public function get_quiz_attempts_by_course_ids($start = 0, $limit = 10, $course_ids = array(), $search_term = '') { |
| 3293 | global $wpdb; |
| 3294 | |
| 3295 | if ($search_term){ |
| 3296 | $search_term = " AND ( user_email like '%{$search_term}%' OR display_name like '%{$search_term}%' OR post_title like '%{$search_term}%' ) "; |
| 3297 | } |
| 3298 | |
| 3299 | $course_ids_in = implode($course_ids, ','); |
| 3300 | $sql = " AND quiz_attempts.course_id IN({$course_ids_in}) "; |
| 3301 | $search_term = $sql.$search_term; |
| 3302 | |
| 3303 | $query = $wpdb->get_results("SELECT * |
| 3304 | FROM {$wpdb->prefix}tutor_quiz_attempts quiz_attempts |
| 3305 | INNER JOIN {$wpdb->posts} quiz |
| 3306 | ON quiz_attempts.quiz_id = quiz.ID |
| 3307 | INNER JOIN {$wpdb->users} |
| 3308 | ON quiz_attempts.user_id = {$wpdb->users}.ID |
| 3309 | WHERE 1=1 AND quiz_attempts.attempt_ended_at <= NOW() {$search_term} |
| 3310 | ORDER BY quiz_attempts.attempt_id DESC |
| 3311 | LIMIT {$start},{$limit}; "); |
| 3312 | return $query; |
| 3313 | } |
| 3314 | |
| 3315 | public function get_total_quiz_attempts_by_course_ids($course_ids = array(), $search_term = ''){ |
| 3316 | global $wpdb; |
| 3317 | |
| 3318 | if ($search_term){ |
| 3319 | $search_term = " AND ( user_email like '%{$search_term}%' OR display_name like '%{$search_term}%' OR post_title like '%{$search_term}%' ) "; |
| 3320 | } |
| 3321 | |
| 3322 | $course_ids_in = implode($course_ids, ','); |
| 3323 | $sql = " AND quiz_attempts.course_id IN({$course_ids_in}) "; |
| 3324 | $search_term = $sql.$search_term; |
| 3325 | |
| 3326 | $count = $wpdb->get_var("SELECT COUNT(attempt_id) |
| 3327 | FROM {$wpdb->prefix}tutor_quiz_attempts quiz_attempts |
| 3328 | INNER JOIN {$wpdb->posts} quiz |
| 3329 | ON quiz_attempts.quiz_id = quiz.ID |
| 3330 | INNER JOIN {$wpdb->users} |
| 3331 | ON quiz_attempts.user_id = {$wpdb->users}.ID |
| 3332 | WHERE 1=1 AND quiz_attempts.attempt_ended_at <= NOW() {$search_term} "); |
| 3333 | return (int) $count; |
| 3334 | } |
| 3335 | |
| 3336 | /** |
| 3337 | * @param $attempt_id |
| 3338 | * |
| 3339 | * @return array|null|object |
| 3340 | * |
| 3341 | * Get quiz answers by attempt id |
| 3342 | * |
| 3343 | * @since v.1.0.0 |
| 3344 | */ |
| 3345 | public function get_quiz_answers_by_attempt_id($attempt_id){ |
| 3346 | global $wpdb; |
| 3347 | |
| 3348 | $results = $wpdb->get_results("SELECT answers.*, question.question_title, question.question_type |
| 3349 | FROM {$wpdb->prefix}tutor_quiz_attempt_answers answers |
| 3350 | LEFT JOIN {$wpdb->prefix}tutor_quiz_questions question ON answers.question_id = question.question_id |
| 3351 | WHERE answers.quiz_attempt_id = {$attempt_id} "); |
| 3352 | |
| 3353 | return $results; |
| 3354 | } |
| 3355 | |
| 3356 | /** |
| 3357 | * @param $answer_id |
| 3358 | * |
| 3359 | * @return array|null|object |
| 3360 | * |
| 3361 | * Get single answer by answer_id |
| 3362 | * |
| 3363 | * @since v.1.0.0 |
| 3364 | */ |
| 3365 | public function get_answer_by_id($answer_id){ |
| 3366 | global $wpdb; |
| 3367 | |
| 3368 | if (is_array($answer_id)){ |
| 3369 | $in_ids = implode(",", $answer_id); |
| 3370 | $sql = "answer.answer_id IN({$in_ids})"; |
| 3371 | }else{ |
| 3372 | $sql = "answer.answer_id = {$answer_id}"; |
| 3373 | } |
| 3374 | |
| 3375 | $answer = $wpdb->get_results("SELECT answer.*, question.question_title, question.question_type |
| 3376 | FROM {$wpdb->prefix}tutor_quiz_question_answers answer |
| 3377 | LEFT JOIN {$wpdb->prefix}tutor_quiz_questions question ON answer.belongs_question_id = question.question_id |
| 3378 | WHERE 1=1 AND {$sql} "); |
| 3379 | |
| 3380 | return $answer; |
| 3381 | } |
| 3382 | |
| 3383 | /** |
| 3384 | * @param $ids |
| 3385 | * |
| 3386 | * @return array|bool|null|object |
| 3387 | * |
| 3388 | * Get quiz answers by ids |
| 3389 | * |
| 3390 | * @since v.1.0.0 |
| 3391 | */ |
| 3392 | |
| 3393 | public function get_quiz_answers_by_ids($ids){ |
| 3394 | $ids = (array) $ids; |
| 3395 | |
| 3396 | if (!count($ids)){ |
| 3397 | return false; |
| 3398 | } |
| 3399 | |
| 3400 | $in_ids = implode(",", $ids); |
| 3401 | |
| 3402 | global $wpdb; |
| 3403 | $query = $wpdb->get_results("SELECT |
| 3404 | comment_ID, |
| 3405 | comment_content |
| 3406 | FROM {$wpdb->comments} |
| 3407 | WHERE comment_type = 'quiz_answer_option' AND comment_ID IN({$in_ids}) "); |
| 3408 | |
| 3409 | if (is_array($query) && count($query)){ |
| 3410 | return $query; |
| 3411 | } |
| 3412 | |
| 3413 | return false; |
| 3414 | } |
| 3415 | |
| 3416 | /** |
| 3417 | * @param null $level |
| 3418 | * |
| 3419 | * @return mixed |
| 3420 | * |
| 3421 | * Get the users / students / course levels |
| 3422 | * |
| 3423 | * @since v.1.0.0 |
| 3424 | */ |
| 3425 | |
| 3426 | public function course_levels($level = null){ |
| 3427 | $levels = apply_filters('tutor_course_level', array( |
| 3428 | 'all_levels' => __('All Levels', 'tutor'), |
| 3429 | 'beginner' => __('Beginner', 'tutor'), |
| 3430 | 'intermediate' => __('Intermediate', 'tutor'), |
| 3431 | 'expert' => __('Expert', 'tutor'), |
| 3432 | )); |
| 3433 | |
| 3434 | if ($level){ |
| 3435 | if (isset($levels[$level])){ |
| 3436 | return $levels[$level]; |
| 3437 | }else{ |
| 3438 | return ''; |
| 3439 | } |
| 3440 | } |
| 3441 | |
| 3442 | return $levels; |
| 3443 | } |
| 3444 | |
| 3445 | /** |
| 3446 | * @return mixed|void |
| 3447 | * |
| 3448 | * Get user permalink for dashboard |
| 3449 | * |
| 3450 | * @since v.1.0.0 |
| 3451 | */ |
| 3452 | public function user_profile_permalinks(){ |
| 3453 | $permalinks = array( |
| 3454 | 'enrolled_course' => __('Enrolled Course', 'tutor'), |
| 3455 | 'courses_taken' => __('Courses Taken', 'tutor'), |
| 3456 | 'reviews_wrote' => __('Reviews Written', 'tutor'), |
| 3457 | ); |
| 3458 | |
| 3459 | return apply_filters('tutor_public_profile/permalinks', $permalinks); |
| 3460 | } |
| 3461 | |
| 3462 | /** |
| 3463 | * @return bool|false|string |
| 3464 | * |
| 3465 | * Student registration form |
| 3466 | * |
| 3467 | * @since v.1.0.0 |
| 3468 | */ |
| 3469 | public function student_register_url(){ |
| 3470 | $student_register_page = (int) $this->get_option('student_register_page'); |
| 3471 | |
| 3472 | if ($student_register_page){ |
| 3473 | return get_the_permalink($student_register_page); |
| 3474 | } |
| 3475 | return false; |
| 3476 | } |
| 3477 | |
| 3478 | /** |
| 3479 | * @return false|string |
| 3480 | * |
| 3481 | * Get frontend dashboard URL |
| 3482 | */ |
| 3483 | public function tutor_dashboard_url(){ |
| 3484 | $page_id = (int) tutor_utils()->get_option('student_dashboard'); |
| 3485 | $page_id = apply_filters('tutor_dashboard_url', $page_id); |
| 3486 | return get_the_permalink($page_id); |
| 3487 | } |
| 3488 | |
| 3489 | /** |
| 3490 | * @param int $course_id |
| 3491 | * @param int $user_id |
| 3492 | * |
| 3493 | * @return bool |
| 3494 | * |
| 3495 | * is_wishlisted(); |
| 3496 | * |
| 3497 | * @since v.1.0.0 |
| 3498 | */ |
| 3499 | public function is_wishlisted($course_id = 0, $user_id = 0){ |
| 3500 | $course_id = $this->get_post_id($course_id); |
| 3501 | $user_id = $this->get_user_id($user_id); |
| 3502 | if ( ! $user_id){ |
| 3503 | return false; |
| 3504 | } |
| 3505 | |
| 3506 | global $wpdb; |
| 3507 | $if_added_to_list = (bool) $wpdb->get_row("select * from {$wpdb->usermeta} WHERE user_id = {$user_id} AND meta_key = '_tutor_course_wishlist' AND meta_value = {$course_id} ;"); |
| 3508 | |
| 3509 | return $if_added_to_list; |
| 3510 | } |
| 3511 | |
| 3512 | /** |
| 3513 | * @param int $user_id |
| 3514 | * |
| 3515 | * @return array|null|object |
| 3516 | * |
| 3517 | * Get the wish lists by an user |
| 3518 | * |
| 3519 | * @since v.1.0.0 |
| 3520 | */ |
| 3521 | public function get_wishlist($user_id = 0){ |
| 3522 | $user_id = $this->get_user_id($user_id); |
| 3523 | global $wpdb; |
| 3524 | |
| 3525 | $query = "SELECT $wpdb->posts.* |
| 3526 | FROM $wpdb->posts |
| 3527 | LEFT JOIN $wpdb->usermeta ON ($wpdb->posts.ID = $wpdb->usermeta.meta_value) |
| 3528 | WHERE $wpdb->usermeta.meta_key = '_tutor_course_wishlist' |
| 3529 | AND $wpdb->usermeta.user_id = {$user_id} |
| 3530 | ORDER BY $wpdb->usermeta.umeta_id DESC "; |
| 3531 | $pageposts = $wpdb->get_results($query, OBJECT); |
| 3532 | return $pageposts; |
| 3533 | } |
| 3534 | |
| 3535 | /** |
| 3536 | * @param int $limit |
| 3537 | * |
| 3538 | * @return array|null|object |
| 3539 | * |
| 3540 | * Getting popular courses |
| 3541 | * |
| 3542 | * @since v.1.0.0 |
| 3543 | */ |
| 3544 | public function most_popular_courses($limit = 10){ |
| 3545 | global $wpdb; |
| 3546 | |
| 3547 | $courses = $wpdb->get_results(" |
| 3548 | SELECT COUNT(enrolled.ID) as total_enrolled, |
| 3549 | enrolled.post_parent as course_id, |
| 3550 | course.* |
| 3551 | from {$wpdb->posts} enrolled |
| 3552 | INNER JOIN {$wpdb->posts} course ON enrolled.post_parent = course.ID |
| 3553 | WHERE enrolled.post_type = 'tutor_enrolled' AND enrolled.post_status = 'completed' |
| 3554 | |
| 3555 | GROUP BY course_id |
| 3556 | ORDER BY total_enrolled DESC LIMIT 0,{$limit} ;"); |
| 3557 | |
| 3558 | return $courses; |
| 3559 | } |
| 3560 | |
| 3561 | /** |
| 3562 | * @param int $limit |
| 3563 | * |
| 3564 | * @return array|bool|null|object |
| 3565 | * |
| 3566 | * Get most rated courses lists |
| 3567 | * |
| 3568 | * @since v.1.0.0 |
| 3569 | */ |
| 3570 | public function most_rated_courses($limit = 10){ |
| 3571 | global $wpdb; |
| 3572 | |
| 3573 | $result = $wpdb->get_results(" |
| 3574 | SELECT COUNT(comment_ID) AS total_rating, |
| 3575 | comment_ID, |
| 3576 | comment_post_ID, |
| 3577 | course.* |
| 3578 | FROM {$wpdb->comments} |
| 3579 | INNER JOIN {$wpdb->posts} course ON comment_post_ID = course.ID |
| 3580 | WHERE {$wpdb->comments}.comment_type = 'tutor_course_rating' AND {$wpdb->comments}.comment_approved = 'approved' |
| 3581 | GROUP BY comment_post_ID ORDER BY total_rating DESC LIMIT 0,{$limit} |
| 3582 | ;"); |
| 3583 | |
| 3584 | if (is_array($result) && count($result)){ |
| 3585 | return $result; |
| 3586 | } |
| 3587 | return false; |
| 3588 | } |
| 3589 | |
| 3590 | /** |
| 3591 | * @param null $addon_field |
| 3592 | * |
| 3593 | * @return bool |
| 3594 | * |
| 3595 | * Get Addon config |
| 3596 | * |
| 3597 | * @since v.1.0.0 |
| 3598 | */ |
| 3599 | public function get_addon_config($addon_field = null){ |
| 3600 | if ( ! $addon_field){ |
| 3601 | return false; |
| 3602 | } |
| 3603 | |
| 3604 | $addonsConfig = maybe_unserialize(get_option('tutor_addons_config')); |
| 3605 | |
| 3606 | if (isset($addonsConfig[$addon_field])){ |
| 3607 | return $addonsConfig[$addon_field]; |
| 3608 | } |
| 3609 | |
| 3610 | return false; |
| 3611 | } |
| 3612 | |
| 3613 | /** |
| 3614 | * @return array|false|string |
| 3615 | * |
| 3616 | * Get the IP from visitor |
| 3617 | * |
| 3618 | * @since v.1.0.0 |
| 3619 | */ |
| 3620 | function get_ip() { |
| 3621 | $ipaddress = ''; |
| 3622 | if (getenv('HTTP_CLIENT_IP')) |
| 3623 | $ipaddress = getenv('HTTP_CLIENT_IP'); |
| 3624 | else if(getenv('HTTP_X_FORWARDED_FOR')) |
| 3625 | $ipaddress = getenv('HTTP_X_FORWARDED_FOR'); |
| 3626 | else if(getenv('HTTP_X_FORWARDED')) |
| 3627 | $ipaddress = getenv('HTTP_X_FORWARDED'); |
| 3628 | else if(getenv('HTTP_FORWARDED_FOR')) |
| 3629 | $ipaddress = getenv('HTTP_FORWARDED_FOR'); |
| 3630 | else if(getenv('HTTP_FORWARDED')) |
| 3631 | $ipaddress = getenv('HTTP_FORWARDED'); |
| 3632 | else if(getenv('REMOTE_ADDR')) |
| 3633 | $ipaddress = getenv('REMOTE_ADDR'); |
| 3634 | else |
| 3635 | $ipaddress = 'UNKNOWN'; |
| 3636 | return $ipaddress; |
| 3637 | } |
| 3638 | |
| 3639 | /** |
| 3640 | * @return mixed|void |
| 3641 | * |
| 3642 | * Get the social icons |
| 3643 | * |
| 3644 | * @since v.1.0.4 |
| 3645 | */ |
| 3646 | |
| 3647 | public function tutor_social_share_icons(){ |
| 3648 | $icons = array( |
| 3649 | 'facebook' => array('share_class' => 's_facebook', 'icon_html' => '<i class="tutor-icon-facebook"></i>' ), |
| 3650 | 'twitter' => array('share_class' => 's_twitter', 'icon_html' => '<i class="tutor-icon-twitter"></i>' ), |
| 3651 | 'linkedin' => array('share_class' => 's_linkedin', 'icon_html' => '<i class="tutor-icon-linkdin"></i>' ), |
| 3652 | 'tumblr' => array('share_class' => 's_tumblr', 'icon_html' => '<i class="tutor-icon-tumblr"></i>' ), |
| 3653 | ); |
| 3654 | |
| 3655 | return apply_filters('tutor_social_share_icons', $icons); |
| 3656 | } |
| 3657 | |
| 3658 | /** |
| 3659 | * @param array $array |
| 3660 | * |
| 3661 | * @return bool |
| 3662 | * |
| 3663 | * count method with check is_array |
| 3664 | * |
| 3665 | * @since v.1.0.4 |
| 3666 | */ |
| 3667 | public function count($array = array()){ |
| 3668 | return is_array($array) && count($array); |
| 3669 | } |
| 3670 | |
| 3671 | } |