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Lesson.php
403 lines
| 1 | <?php |
| 2 | namespace TUTOR; |
| 3 | |
| 4 | if ( ! defined( 'ABSPATH' ) ) |
| 5 | exit; |
| 6 | |
| 7 | class Lesson extends Tutor_Base { |
| 8 | public function __construct() { |
| 9 | parent::__construct(); |
| 10 | |
| 11 | add_action( 'add_meta_boxes', array($this, 'register_meta_box') ); |
| 12 | add_action('save_post_'.$this->lesson_post_type, array($this, "save_lesson_meta")); |
| 13 | |
| 14 | add_action('wp_ajax_tutor_load_edit_lesson_modal', array($this, "tutor_load_edit_lesson_modal")); |
| 15 | add_action('wp_ajax_tutor_modal_create_or_update_lesson', array($this, "tutor_modal_create_or_update_lesson")); |
| 16 | add_action('wp_ajax_tutor_delete_lesson_by_id', array($this, "tutor_delete_lesson_by_id")); |
| 17 | |
| 18 | add_filter('get_sample_permalink', array($this, 'change_lesson_permalink'), 10, 2); |
| 19 | add_action('admin_init', array($this, 'flush_rewrite_rules')); |
| 20 | |
| 21 | /** |
| 22 | * Add Column |
| 23 | */ |
| 24 | |
| 25 | add_filter( "manage_{$this->lesson_post_type}_posts_columns", array($this, 'add_column'), 10,1 ); |
| 26 | add_action( "manage_{$this->lesson_post_type}_posts_custom_column" , array($this, 'custom_lesson_column'), 10, 2 ); |
| 27 | |
| 28 | //Frontend Action |
| 29 | add_action('template_redirect', array($this, 'mark_lesson_complete')); |
| 30 | |
| 31 | add_action('wp_ajax_tutor_render_lesson_content', array($this, "tutor_render_lesson_content")); |
| 32 | add_action('wp_ajax_nopriv_tutor_render_lesson_content', array($this, "tutor_render_lesson_content")); // For public course access |
| 33 | |
| 34 | /** |
| 35 | * Autoplay next video |
| 36 | * @since v.1.4.9 |
| 37 | */ |
| 38 | add_action('wp_ajax_autoload_next_course_content', array($this, 'autoload_next_course_content')); |
| 39 | |
| 40 | /** |
| 41 | * Load next course item after click complete button |
| 42 | * @since v.1.5.3 |
| 43 | */ |
| 44 | add_action('tutor_lesson_completed_after', array($this, 'tutor_lesson_completed_after'), 999); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Registering metabox |
| 49 | */ |
| 50 | public function register_meta_box(){ |
| 51 | $lesson_post_type = $this->lesson_post_type; |
| 52 | |
| 53 | add_meta_box( 'tutor-course-select', __( 'Select Course', 'tutor' ), array($this, 'lesson_metabox'), $lesson_post_type ); |
| 54 | add_meta_box( 'tutor-lesson-videos', __( 'Lesson Video', 'tutor' ), array($this, 'lesson_video_metabox'), $lesson_post_type ); |
| 55 | add_meta_box( 'tutor-lesson-attachments', __( 'Attachments', 'tutor' ), array($this, 'lesson_attachments_metabox'), $lesson_post_type ); |
| 56 | } |
| 57 | |
| 58 | public function lesson_metabox(){ |
| 59 | include tutor()->path.'views/metabox/lesson-metabox.php'; |
| 60 | } |
| 61 | |
| 62 | public function lesson_video_metabox(){ |
| 63 | include tutor()->path.'views/metabox/video-metabox.php'; |
| 64 | } |
| 65 | |
| 66 | public function lesson_attachments_metabox(){ |
| 67 | include tutor()->path.'views/metabox/lesson-attachments-metabox.php'; |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * @param $post_ID |
| 72 | * |
| 73 | * Saving lesson meta and assets |
| 74 | * |
| 75 | */ |
| 76 | public function save_lesson_meta($post_ID){ |
| 77 | //Course |
| 78 | if (isset($_POST['selected_course'])) { |
| 79 | $course_id = (int) sanitize_text_field( $_POST['selected_course'] ); |
| 80 | if ( $course_id ) { |
| 81 | update_post_meta( $post_ID, '_tutor_course_id_for_lesson', $course_id ); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | //Video |
| 86 | $video_source = sanitize_text_field( tutils()->array_get('video.source', $_POST) ); |
| 87 | if ( $video_source === '-1'){ |
| 88 | delete_post_meta($post_ID, '_video'); |
| 89 | }elseif($video_source) { |
| 90 | $video = (array)tutor_utils()->array_get('video', $_POST, array()); |
| 91 | update_post_meta($post_ID, '_video', $video); |
| 92 | } |
| 93 | |
| 94 | //Attachments |
| 95 | $attachments = array(); |
| 96 | if ( ! empty($_POST['tutor_attachments'])){ |
| 97 | $attachments = tutor_utils()->sanitize_array($_POST['tutor_attachments']); |
| 98 | $attachments = array_unique($attachments); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * it !empty attachment then update meta else |
| 103 | * delete meta key to prevetn empty data in db |
| 104 | * @since 1.8.9 |
| 105 | */ |
| 106 | if( ! empty($attachments) ) { |
| 107 | update_post_meta($post_ID, '_tutor_attachments', $attachments); |
| 108 | } else { |
| 109 | delete_post_meta($post_ID, '_tutor_attachments'); |
| 110 | } |
| 111 | |
| 112 | } |
| 113 | |
| 114 | public function tutor_load_edit_lesson_modal(){ |
| 115 | tutils()->checking_nonce(); |
| 116 | |
| 117 | $lesson_id = (int) tutor_utils()->avalue_dot('lesson_id', $_POST); |
| 118 | $topic_id = (int) sanitize_text_field( $_POST['topic_id'] ); |
| 119 | |
| 120 | if(!tutils()->can_user_manage('topic', $topic_id)) { |
| 121 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * If Lesson Not Exists, provide dummy |
| 126 | */ |
| 127 | $post_arr = array( |
| 128 | 'ID' => 0, |
| 129 | 'post_content' => '', |
| 130 | 'post_type' => $this->lesson_post_type, |
| 131 | 'post_title' => __('Draft Lesson', 'tutor'), |
| 132 | 'post_status' => 'publish', |
| 133 | 'post_author' => get_current_user_id(), |
| 134 | 'post_parent' => $topic_id, |
| 135 | ); |
| 136 | |
| 137 | $post = $lesson_id ? get_post($lesson_id) : (object)$post_arr; |
| 138 | |
| 139 | ob_start(); |
| 140 | include tutor()->path.'views/modal/edit-lesson.php'; |
| 141 | $output = ob_get_clean(); |
| 142 | |
| 143 | wp_send_json_success(array('output' => $output)); |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * @since v.1.0.0 |
| 148 | * @updated v.1.5.1 |
| 149 | */ |
| 150 | public function tutor_modal_create_or_update_lesson(){ |
| 151 | tutils()->checking_nonce(); |
| 152 | |
| 153 | global $wpdb; |
| 154 | |
| 155 | $lesson_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('lesson_id', $_POST)); |
| 156 | $topic_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('current_topic_id', $_POST)); |
| 157 | $_lesson_thumbnail_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('_lesson_thumbnail_id', $_POST)); |
| 158 | |
| 159 | if(!tutils()->can_user_manage('topic', $topic_id)) { |
| 160 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 161 | } |
| 162 | |
| 163 | |
| 164 | $title = sanitize_text_field($_POST['lesson_title']); |
| 165 | $lesson_content = wp_kses_post($_POST['lesson_content']); |
| 166 | |
| 167 | $lesson_data = array( |
| 168 | 'post_type' => $this->lesson_post_type, |
| 169 | 'post_title' => $title, |
| 170 | 'post_name' => sanitize_title($title), |
| 171 | 'post_content' => $lesson_content, |
| 172 | 'post_status' => 'publish', |
| 173 | 'post_author' => get_current_user_id(), |
| 174 | 'post_parent' => $topic_id |
| 175 | ); |
| 176 | |
| 177 | if($lesson_id==0) { |
| 178 | |
| 179 | $lesson_data['menu_order'] = tutor_utils()->get_next_course_content_order_id( $topic_id ); |
| 180 | $lesson_id = wp_insert_post( $lesson_data ); |
| 181 | |
| 182 | if ($lesson_id ) { |
| 183 | do_action('tutor/lesson/created', $lesson_id); |
| 184 | |
| 185 | $course_id = $wpdb->get_var( $wpdb->prepare("SELECT post_parent FROM {$wpdb->posts} WHERE ID=%d", $topic_id) ); |
| 186 | update_post_meta( $lesson_id, '_tutor_course_id_for_lesson', $course_id ); |
| 187 | } |
| 188 | else { |
| 189 | wp_send_json_error( array('message' => __('Couldn\'t create lesson.', 'tutor')) ); |
| 190 | } |
| 191 | } |
| 192 | else { |
| 193 | $lesson_data['ID']=$lesson_id; |
| 194 | |
| 195 | do_action('tutor/lesson_update/before', $lesson_id); |
| 196 | wp_update_post($lesson_data); |
| 197 | if ($_lesson_thumbnail_id){ |
| 198 | update_post_meta($lesson_id, '_thumbnail_id', $_lesson_thumbnail_id); |
| 199 | }else{ |
| 200 | delete_post_meta($lesson_id, '_thumbnail_id'); |
| 201 | } |
| 202 | do_action('tutor/lesson_update/after', $lesson_id); |
| 203 | } |
| 204 | |
| 205 | $course_id = tutor_utils()->get_course_id_by_lesson($lesson_id); |
| 206 | |
| 207 | ob_start(); |
| 208 | include tutor()->path.'views/metabox/course-contents.php'; |
| 209 | $course_contents = ob_get_clean(); |
| 210 | |
| 211 | wp_send_json_success(array('course_contents' => $course_contents)); |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Delete Lesson from course builder |
| 216 | */ |
| 217 | public function tutor_delete_lesson_by_id(){ |
| 218 | tutils()->checking_nonce(); |
| 219 | |
| 220 | $lesson_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('lesson_id', $_POST)); |
| 221 | |
| 222 | if(!tutils()->can_user_manage('lesson', $lesson_id)) { |
| 223 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 224 | } |
| 225 | |
| 226 | wp_delete_post($lesson_id, true); |
| 227 | delete_post_meta($lesson_id, '_tutor_course_id_for_lesson'); |
| 228 | wp_send_json_success(); |
| 229 | } |
| 230 | |
| 231 | |
| 232 | /** |
| 233 | * @param $uri |
| 234 | * @param $lesson_id |
| 235 | * |
| 236 | * @return mixed |
| 237 | * |
| 238 | * Changed the URI based |
| 239 | */ |
| 240 | |
| 241 | public function change_lesson_permalink($uri, $lesson_id){ |
| 242 | $post = get_post($lesson_id); |
| 243 | |
| 244 | if ($post && $post->post_type === $this->lesson_post_type){ |
| 245 | $uri_base = trailingslashit(site_url()); |
| 246 | |
| 247 | $sample_course = "sample-course"; |
| 248 | $is_course = get_post_meta(get_the_ID(), '_tutor_course_id_for_lesson', true); |
| 249 | if ($is_course){ |
| 250 | $course = get_post($is_course); |
| 251 | if ($course){ |
| 252 | $sample_course = $course->post_name; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | $new_course_base = $uri_base."course/{$sample_course}/lesson/%pagename%/"; |
| 257 | $uri[0] = $new_course_base; |
| 258 | } |
| 259 | |
| 260 | return $uri; |
| 261 | } |
| 262 | |
| 263 | |
| 264 | public function flush_rewrite_rules(){ |
| 265 | $is_required_flush = get_option('required_rewrite_flush'); |
| 266 | if ($is_required_flush){ |
| 267 | flush_rewrite_rules(); |
| 268 | delete_option( 'required_rewrite_flush' ); |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | |
| 273 | public function add_column($columns){ |
| 274 | $date_col = $columns['date']; |
| 275 | unset($columns['date']); |
| 276 | $columns['course'] = __('Course', 'tutor'); |
| 277 | $columns['date'] = $date_col; |
| 278 | |
| 279 | return $columns; |
| 280 | } |
| 281 | |
| 282 | /** |
| 283 | * @param $column |
| 284 | * @param $post_id |
| 285 | * |
| 286 | */ |
| 287 | public function custom_lesson_column($column, $post_id ){ |
| 288 | if ($column === 'course'){ |
| 289 | |
| 290 | $course_id = get_post_meta($post_id, '_tutor_course_id_for_lesson', true); |
| 291 | if ($course_id){ |
| 292 | echo '<a href="'.admin_url('post.php?post='.$course_id.'&action=edit').'">'.get_the_title($course_id).'</a>'; |
| 293 | } |
| 294 | |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * |
| 300 | * Mark lesson completed |
| 301 | * |
| 302 | * @since v.1.0.0 |
| 303 | */ |
| 304 | public function mark_lesson_complete(){ |
| 305 | if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_complete_lesson' ){ |
| 306 | return; |
| 307 | } |
| 308 | //Checking nonce |
| 309 | tutor_utils()->checking_nonce(); |
| 310 | |
| 311 | $user_id = get_current_user_id(); |
| 312 | |
| 313 | //TODO: need to show view if not signed_in |
| 314 | if ( ! $user_id){ |
| 315 | die(__('Please Sign-In', 'tutor')); |
| 316 | } |
| 317 | |
| 318 | $lesson_id = (int) sanitize_text_field($_POST['lesson_id']); |
| 319 | |
| 320 | do_action('tutor_lesson_completed_before', $lesson_id); |
| 321 | /** |
| 322 | * Marking lesson at user meta, meta format, _tutor_completed_lesson_id_{id} and value = tutor_time(); |
| 323 | */ |
| 324 | tutor_utils()->mark_lesson_complete($lesson_id); |
| 325 | |
| 326 | do_action('tutor_lesson_completed_after', $lesson_id, $user_id); |
| 327 | } |
| 328 | |
| 329 | /** |
| 330 | * Render the lesson content |
| 331 | */ |
| 332 | public function tutor_render_lesson_content(){ |
| 333 | tutils()->checking_nonce(); |
| 334 | |
| 335 | $lesson_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('lesson_id', $_POST)); |
| 336 | |
| 337 | $ancestors = get_post_ancestors($lesson_id); |
| 338 | $course_id = !empty($ancestors) ? array_pop($ancestors): $lesson_id; |
| 339 | |
| 340 | // Course must be public or current user must be enrolled to access this lesson |
| 341 | if(get_post_meta($course_id, '_tutor_is_public_course', true)!=='yes' && !tutils()->is_enrolled($course_id)){ |
| 342 | |
| 343 | $is_admin = tutor_utils()->has_user_role('administrator'); |
| 344 | $allowed = $is_admin ? true : tutor_utils()->is_instructor_of_this_course(get_current_user_id(), $course_id); |
| 345 | |
| 346 | if( !$allowed ) { |
| 347 | http_response_code(400); |
| 348 | exit; |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | ob_start(); |
| 353 | global $post; |
| 354 | |
| 355 | $post = get_post($lesson_id); |
| 356 | setup_postdata($post); |
| 357 | tutor_lesson_content(); |
| 358 | wp_reset_postdata(); |
| 359 | |
| 360 | $html = ob_get_clean(); |
| 361 | wp_send_json_success(array('html' => $html)); |
| 362 | } |
| 363 | |
| 364 | /** |
| 365 | * Load next course item automatically |
| 366 | * |
| 367 | * @since v.1.4.9 |
| 368 | */ |
| 369 | public function autoload_next_course_content(){ |
| 370 | tutor_utils()->checking_nonce(); |
| 371 | |
| 372 | $post_id = sanitize_text_field($_POST['post_id']); |
| 373 | $content_id = tutils()->get_post_id($post_id); |
| 374 | $contents = tutor_utils()->get_course_prev_next_contents_by_id($content_id); |
| 375 | |
| 376 | $autoload_course_content = (bool) get_tutor_option('autoload_next_course_content'); |
| 377 | $next_url = false; |
| 378 | if($autoload_course_content) { |
| 379 | $next_url = get_the_permalink($contents->next_id); |
| 380 | } |
| 381 | wp_send_json_success(array('next_url' => $next_url)); |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * Load next course item after click complete button |
| 386 | * |
| 387 | * @since v.1.5.3 |
| 388 | */ |
| 389 | public function tutor_lesson_completed_after($content_id){ |
| 390 | $contents = tutor_utils()->get_course_prev_next_contents_by_id($content_id); |
| 391 | $autoload_course_content = (bool) get_tutor_option('autoload_next_course_content'); |
| 392 | if($autoload_course_content) { |
| 393 | wp_redirect(get_the_permalink($contents->next_id)); |
| 394 | } else { |
| 395 | wp_redirect(get_the_permalink($content_id)); |
| 396 | } |
| 397 | die(); |
| 398 | } |
| 399 | |
| 400 | } |
| 401 | |
| 402 | |
| 403 |