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Backend_Page_Trait.php
1 year ago
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1 year ago
Course.php
1 year ago
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3 years ago
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1 year ago
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1 year ago
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1 year ago
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3 years ago
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1 year ago
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2 years ago
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1 year ago
Input.php
1 year ago
Instructor.php
1 year ago
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1 year ago
Lesson.php
1 year ago
Options_V2.php
1 year ago
Permalink.php
2 years ago
Post_types.php
1 year ago
Private_Course_Access.php
1 year ago
Q_And_A.php
1 year ago
Question_Answers_List.php
3 years ago
Quiz.php
1 year ago
QuizBuilder.php
1 year ago
Quiz_Attempts_List.php
1 year ago
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1 year ago
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1 year ago
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1 year ago
Taxonomies.php
1 year ago
Template.php
1 year ago
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3 years ago
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1 year ago
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1 year ago
Tutor.php
1 year ago
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1 year ago
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2 years ago
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1 year ago
Utils.php
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Q_And_A.php
420 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Manage Q & A |
| 4 | * |
| 5 | * @package Tutor\Q_And_A |
| 6 | * @author Themeum <support@themeum.com> |
| 7 | * @link https://themeum.com |
| 8 | * @since 1.0.0 |
| 9 | */ |
| 10 | |
| 11 | namespace TUTOR; |
| 12 | |
| 13 | use Tutor\Helpers\QueryHelper; |
| 14 | |
| 15 | if ( ! defined( 'ABSPATH' ) ) { |
| 16 | exit; |
| 17 | } |
| 18 | /** |
| 19 | * Question answer management |
| 20 | * |
| 21 | * @since 1.0.0 |
| 22 | */ |
| 23 | class Q_And_A { |
| 24 | |
| 25 | /** |
| 26 | * Register hooks |
| 27 | * |
| 28 | * @param boolean $register_hooks true/false to execute the hooks. |
| 29 | */ |
| 30 | public function __construct( $register_hooks = true ) { |
| 31 | if ( ! $register_hooks ) { |
| 32 | return; |
| 33 | } |
| 34 | |
| 35 | add_action( 'wp_ajax_tutor_qna_create_update', array( $this, 'tutor_qna_create_update' ) ); |
| 36 | |
| 37 | /** |
| 38 | * Delete question |
| 39 | * |
| 40 | * @since v.1.6.4 |
| 41 | */ |
| 42 | add_action( 'wp_ajax_tutor_delete_dashboard_question', array( $this, 'tutor_delete_dashboard_question' ) ); |
| 43 | |
| 44 | /** |
| 45 | * Take action against single qna |
| 46 | * |
| 47 | * @since v2.0.0 |
| 48 | */ |
| 49 | add_action( 'wp_ajax_tutor_qna_single_action', array( $this, 'tutor_qna_single_action' ) ); |
| 50 | add_action( 'wp_ajax_tutor_qna_bulk_action', array( $this, 'process_bulk_action' ) ); |
| 51 | /** |
| 52 | * Q & A load more |
| 53 | * |
| 54 | * @since v2.0.6 |
| 55 | */ |
| 56 | add_action( 'wp_ajax_tutor_q_and_a_load_more', __CLASS__ . '::load_more' ); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Check user has access to QnA. |
| 61 | * |
| 62 | * @since 2.6.1 |
| 63 | * |
| 64 | * @param int $user_id user id. |
| 65 | * @param int $course_id course id. |
| 66 | * |
| 67 | * @return boolean |
| 68 | */ |
| 69 | public static function has_qna_access( $user_id, $course_id ) { |
| 70 | $is_public_course = Course_List::is_public( $course_id ); |
| 71 | |
| 72 | $has_access = $is_public_course |
| 73 | || User::is_admin() |
| 74 | || tutor_utils()->is_instructor_of_this_course( $user_id, $course_id ) |
| 75 | || tutor_utils()->is_enrolled( $course_id, $user_id ); |
| 76 | return $has_access; |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Undocumented function |
| 81 | * |
| 82 | * @since v1.0.0 |
| 83 | * |
| 84 | * @return void |
| 85 | */ |
| 86 | public function tutor_qna_create_update() { |
| 87 | tutor_utils()->checking_nonce(); |
| 88 | |
| 89 | $user_id = get_current_user_id(); |
| 90 | $course_id = Input::post( 'course_id', 0, Input::TYPE_INT ); |
| 91 | |
| 92 | if ( ! $this->has_qna_access( $user_id, $course_id ) ) { |
| 93 | wp_send_json_error( array( 'message' => tutor_utils()->error_message() ) ); |
| 94 | } |
| 95 | |
| 96 | $qna_text = Input::post( 'answer', '', tutor()->has_pro ? Input::TYPE_KSES_POST : Input::TYPE_TEXTAREA ); |
| 97 | |
| 98 | if ( ! $qna_text ) { |
| 99 | // Content validation. |
| 100 | wp_send_json_error( array( 'message' => __( 'Empty Content Not Allowed!', 'tutor' ) ) ); |
| 101 | } |
| 102 | |
| 103 | // Prepare course, question info. |
| 104 | $course_id = Input::post( 'course_id', 0, Input::TYPE_INT ); |
| 105 | $question_id = Input::post( 'question_id', 0, Input::TYPE_INT ); |
| 106 | $context = Input::post( 'context' ); |
| 107 | |
| 108 | // Prepare user info. |
| 109 | $user = get_userdata( $user_id ); |
| 110 | $date = gmdate( 'Y-m-d H:i:s', tutor_time() ); |
| 111 | |
| 112 | $qna_object = new \stdClass(); |
| 113 | $qna_object->user_id = $user_id; |
| 114 | $qna_object->course_id = $course_id; |
| 115 | $qna_object->question_id = $question_id; |
| 116 | $qna_object->qna_text = $qna_text; |
| 117 | $qna_object->user = $user; |
| 118 | $qna_object->date = $date; |
| 119 | |
| 120 | $question_id = $this->inset_qna( $qna_object ); |
| 121 | |
| 122 | // Provide the html now. |
| 123 | // phpcs:disable WordPress.Security.NonceVerification.Missing |
| 124 | ob_start(); |
| 125 | tutor_load_template_from_custom_path( |
| 126 | tutor()->path . '/views/qna/qna-single.php', |
| 127 | array( |
| 128 | 'question_id' => $question_id, |
| 129 | 'back_url' => isset( $_POST['back_url'] ) ? esc_url_raw( wp_unslash( $_POST['back_url'] ) ) : '', |
| 130 | 'context' => $context, |
| 131 | ) |
| 132 | ); |
| 133 | wp_send_json_success( |
| 134 | array( |
| 135 | 'html' => ob_get_clean(), |
| 136 | 'editor_id' => 'tutor_qna_reply_editor_' . $question_id, |
| 137 | ) |
| 138 | ); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Function to insert Q&A |
| 143 | * |
| 144 | * @param object $qna_object the object to insert. |
| 145 | * @return int |
| 146 | */ |
| 147 | public function inset_qna( $qna_object ) { |
| 148 | $course_id = $qna_object->course_id; |
| 149 | $question_id = $qna_object->question_id; |
| 150 | $qna_text = $qna_object->qna_text; |
| 151 | $user_id = $qna_object->user_id; |
| 152 | $user = $qna_object->user; |
| 153 | $date = $qna_object->date; |
| 154 | |
| 155 | // Insert data prepare. |
| 156 | $data = apply_filters( |
| 157 | 'tutor_qna_insert_data', |
| 158 | array( |
| 159 | 'comment_post_ID' => $course_id, |
| 160 | 'comment_author' => $user->user_login, |
| 161 | 'comment_date' => $date, |
| 162 | 'comment_date_gmt' => get_gmt_from_date( $date ), |
| 163 | 'comment_content' => $qna_text, |
| 164 | 'comment_approved' => 'approved', |
| 165 | 'comment_agent' => 'TutorLMSPlugin', |
| 166 | 'comment_type' => 'tutor_q_and_a', |
| 167 | 'comment_parent' => $question_id, |
| 168 | 'user_id' => $user_id, |
| 169 | ) |
| 170 | ); |
| 171 | |
| 172 | global $wpdb; |
| 173 | |
| 174 | // Insert new question/answer. |
| 175 | $wpdb->insert( $wpdb->comments, $data ); |
| 176 | ! $question_id ? $question_id = (int) $wpdb->insert_id : 0; |
| 177 | |
| 178 | // Mark the question unseen if action made from student. |
| 179 | $asker_id = $this->get_asker_id( $question_id ); |
| 180 | $self = $asker_id == $user_id; |
| 181 | update_comment_meta( $question_id, 'tutor_qna_read' . ( $self ? '' : '_' . $asker_id ), 0 ); |
| 182 | |
| 183 | do_action( 'tutor_after_asked_question', $data ); |
| 184 | |
| 185 | // question_id != 0 means it's a reply. |
| 186 | $reply_id = Input::post( 'question_id', 0, Input::TYPE_INT ); |
| 187 | $answer_id = (int) $wpdb->insert_id; |
| 188 | if ( 0 !== $reply_id && ( current_user_can( 'administrator' ) || tutor_utils()->is_instructor_of_this_course( $user_id, $course_id ) ) ) { |
| 189 | do_action( 'tutor_after_answer_to_question', $answer_id ); |
| 190 | } |
| 191 | |
| 192 | return $question_id; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Delete question [frontend dashboard] |
| 197 | * |
| 198 | * @since v.1.6.4 |
| 199 | */ |
| 200 | public function tutor_delete_dashboard_question() { |
| 201 | tutor_utils()->checking_nonce(); |
| 202 | |
| 203 | $question_id = Input::post( 'question_id', 0, Input::TYPE_INT ); |
| 204 | if ( ! $question_id || ! tutor_utils()->can_user_manage( 'qa_question', $question_id ) ) { |
| 205 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 206 | } |
| 207 | |
| 208 | $this->delete_qna_permanently( array( $question_id ) ); |
| 209 | |
| 210 | wp_send_json_success(); |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Undocumented function |
| 215 | * |
| 216 | * @param array $question_ids question ids. |
| 217 | * |
| 218 | * @return void |
| 219 | */ |
| 220 | public function delete_qna_permanently( $question_ids ) { |
| 221 | if ( is_array( $question_ids ) && count( $question_ids ) ) { |
| 222 | global $wpdb; |
| 223 | // Prepare in clause. |
| 224 | $question_ids = QueryHelper::prepare_in_clause( $question_ids ); |
| 225 | |
| 226 | // Deleting question (comment), child question and question meta (comment meta). |
| 227 | $wpdb->query( |
| 228 | $wpdb->prepare( |
| 229 | "DELETE |
| 230 | FROM {$wpdb->comments} |
| 231 | WHERE {$wpdb->comments}.comment_ID IN ($question_ids) |
| 232 | AND 1 = %d |
| 233 | ", |
| 234 | 1 |
| 235 | ) |
| 236 | ); |
| 237 | |
| 238 | $wpdb->query( |
| 239 | $wpdb->prepare( |
| 240 | "DELETE |
| 241 | FROM {$wpdb->comments} |
| 242 | WHERE {$wpdb->comments}.comment_parent IN ($question_ids) |
| 243 | AND 1 = %d |
| 244 | ", |
| 245 | 1 |
| 246 | ) |
| 247 | ); |
| 248 | |
| 249 | $wpdb->query( |
| 250 | $wpdb->prepare( |
| 251 | "DELETE |
| 252 | FROM {$wpdb->commentmeta} |
| 253 | WHERE {$wpdb->commentmeta}.comment_id IN ($question_ids) |
| 254 | AND 1 = %d |
| 255 | ", |
| 256 | 1 |
| 257 | ) |
| 258 | ); |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Process bulk delete |
| 264 | * |
| 265 | * @since v1.0.0 |
| 266 | * |
| 267 | * @return void send wp_json response |
| 268 | */ |
| 269 | public function process_bulk_action() { |
| 270 | tutor_utils()->checking_nonce(); |
| 271 | |
| 272 | $user_id = get_current_user_id(); |
| 273 | $action = Input::post( 'bulk-action' ); |
| 274 | |
| 275 | switch ( $action ) { |
| 276 | case 'delete': |
| 277 | $qa_ids = Input::post( 'bulk-ids', '' ); |
| 278 | $qa_ids = explode( ',', $qa_ids ); |
| 279 | $qa_ids = array_filter( |
| 280 | $qa_ids, |
| 281 | function ( $id ) use ( $user_id ) { |
| 282 | return is_numeric( $id ) && tutor_utils()->can_user_manage( 'qa_question', $id, $user_id ); |
| 283 | } |
| 284 | ); |
| 285 | |
| 286 | $this->delete_qna_permanently( $qa_ids ); |
| 287 | break; |
| 288 | } |
| 289 | |
| 290 | wp_send_json_success(); |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * Get user id who asked |
| 295 | * |
| 296 | * @param int $question_id question id. |
| 297 | * |
| 298 | * @return string author id |
| 299 | */ |
| 300 | private function get_asker_id( $question_id ) { |
| 301 | global $wpdb; |
| 302 | $author_id = $wpdb->get_var( |
| 303 | $wpdb->prepare( |
| 304 | "SELECT user_id |
| 305 | FROM {$wpdb->comments} |
| 306 | WHERE comment_ID = %d |
| 307 | ", |
| 308 | $question_id |
| 309 | ) |
| 310 | ); |
| 311 | return $author_id; |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * Update comment meta function |
| 316 | * |
| 317 | * @return void send wp_json response |
| 318 | */ |
| 319 | public function tutor_qna_single_action() { |
| 320 | tutor_utils()->checking_nonce(); |
| 321 | |
| 322 | $question_id = Input::post( 'question_id', 0, Input::TYPE_INT ); |
| 323 | |
| 324 | if ( ! tutor_utils()->can_user_manage( 'qa_question', $question_id ) ) { |
| 325 | wp_send_json_error( array( 'message' => __( 'Permission Denied!', 'tutor' ) ) ); |
| 326 | } |
| 327 | |
| 328 | // Get who asked the question. |
| 329 | $context = Input::post( 'context', '' ); |
| 330 | $user_id = get_current_user_id(); |
| 331 | |
| 332 | // Get the existing value from meta. |
| 333 | $action = Input::post( 'qna_action', '' ); |
| 334 | |
| 335 | $new_value = $this->trigger_qna_action( $question_id, $action, $context, $user_id ); |
| 336 | |
| 337 | // Transfer the new status. |
| 338 | wp_send_json_success( array( 'new_value' => $new_value ) ); |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Function to update Q&A action |
| 343 | * |
| 344 | * @since 2.6.2 |
| 345 | * |
| 346 | * @param int $question_id question id. |
| 347 | * @param string $action action name. |
| 348 | * @param string $context context name. |
| 349 | * @param int $user_id user id. |
| 350 | * |
| 351 | * @return int |
| 352 | */ |
| 353 | public function trigger_qna_action( $question_id, $action, $context, $user_id ) { |
| 354 | $asker_prefix = 'frontend-dashboard-qna-table-student' === $context ? '_' . $user_id : ''; |
| 355 | |
| 356 | // If current user asker, then make it unread for self. |
| 357 | // If it is instructor, then make unread for instructor side. |
| 358 | $meta_key = 'tutor_qna_' . $action . $asker_prefix; |
| 359 | |
| 360 | $current_value = (int) get_comment_meta( $question_id, $meta_key, true ); |
| 361 | |
| 362 | $new_value = 1 === $current_value ? 0 : 1; |
| 363 | |
| 364 | // Update the reverted value. |
| 365 | update_comment_meta( $question_id, $meta_key, $new_value ); |
| 366 | |
| 367 | return $new_value; |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Available tabs that will visible on the right side of page navbar |
| 372 | * |
| 373 | * @since v2.0.0 |
| 374 | * |
| 375 | * @param mixed $asker_id asker id. |
| 376 | * |
| 377 | * @return array |
| 378 | */ |
| 379 | public static function tabs_key_value( $asker_id = null ) { |
| 380 | |
| 381 | $stats = array( |
| 382 | 'all' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, null, true ), |
| 383 | 'read' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, 'read', true ), |
| 384 | 'unread' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, 'unread', true ), |
| 385 | 'important' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, 'important', true ), |
| 386 | 'archived' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, 'archived', true ), |
| 387 | ); |
| 388 | |
| 389 | // Assign value, url etc to the tab array. |
| 390 | $tabs = array_map( |
| 391 | function ( $tab ) use ( $stats ) { |
| 392 | return array( |
| 393 | 'key' => $tab, |
| 394 | 'title' => tutor_utils()->translate_dynamic_text( $tab ), |
| 395 | 'value' => $stats[ $tab ], |
| 396 | 'url' => add_query_arg( array( 'tab' => $tab ), remove_query_arg( 'tab' ) ), |
| 397 | ); |
| 398 | }, |
| 399 | array_keys( $stats ) |
| 400 | ); |
| 401 | |
| 402 | return $tabs; |
| 403 | } |
| 404 | |
| 405 | /** |
| 406 | * Load more q & a |
| 407 | * |
| 408 | * @since v2.0.6 |
| 409 | * |
| 410 | * @return void send wp_json response |
| 411 | */ |
| 412 | public static function load_more() { |
| 413 | tutor_utils()->checking_nonce(); |
| 414 | ob_start(); |
| 415 | tutor_load_template( 'single.course.enrolled.question_and_answer' ); |
| 416 | $html = ob_get_clean(); |
| 417 | wp_send_json_success( array( 'html' => $html ) ); |
| 418 | } |
| 419 | } |
| 420 |