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Course.php
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Course_Filter.php
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Lesson.php
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Options.php
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Post_types.php
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Q_and_A.php
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Student.php
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Lesson.php
357 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 = tutils()->array_get('video.source', $_POST); |
| 87 | if ( $video_source === '-1'){ |
| 88 | delete_post_meta($post_ID, '_video'); |
| 89 | }elseif($video_source) { |
| 90 | $video = tutor_utils()->array_get('video', $_POST); |
| 91 | update_post_meta($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 | update_post_meta($post_ID, '_tutor_attachments', $attachments); |
| 101 | } |
| 102 | |
| 103 | public function tutor_load_edit_lesson_modal(){ |
| 104 | $lesson_id = (int) tutor_utils()->avalue_dot('lesson_id', $_POST); |
| 105 | $topic_id = (int) sanitize_text_field( $_POST['topic_id'] ); |
| 106 | |
| 107 | if(!tutils()->can_user_manage('topic', $topic_id)) { |
| 108 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * If Lesson Not Exists, create One |
| 113 | */ |
| 114 | if ( ! $lesson_id){ |
| 115 | $course_id = (int) sanitize_text_field( $_POST['course_id'] ); |
| 116 | |
| 117 | $post_arr = array( |
| 118 | 'post_type' => $this->lesson_post_type, |
| 119 | 'post_title' => __('Draft Lesson', 'tutor'), |
| 120 | 'post_status' => 'publish', |
| 121 | 'post_author' => get_current_user_id(), |
| 122 | 'post_parent' => $topic_id, |
| 123 | ); |
| 124 | $lesson_id = wp_insert_post( $post_arr ); |
| 125 | if ($lesson_id ) { |
| 126 | do_action('tutor/lesson/created', $lesson_id); |
| 127 | update_post_meta( $lesson_id, '_tutor_course_id_for_lesson', $course_id ); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | $post = get_post($lesson_id); |
| 132 | ob_start(); |
| 133 | include tutor()->path.'views/modal/edit-lesson.php'; |
| 134 | $output = ob_get_clean(); |
| 135 | |
| 136 | wp_send_json_success(array('output' => $output)); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * @since v.1.0.0 |
| 141 | * @updated v.1.5.1 |
| 142 | */ |
| 143 | public function tutor_modal_create_or_update_lesson(){ |
| 144 | $lesson_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('lesson_id', $_POST)); |
| 145 | $_lesson_thumbnail_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('_lesson_thumbnail_id', $_POST)); |
| 146 | |
| 147 | if(!tutils()->can_user_manage('lesson', $lesson_id)) { |
| 148 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 149 | } |
| 150 | |
| 151 | $title = sanitize_text_field($_POST['lesson_title']); |
| 152 | $lesson_content = wp_kses_post($_POST['lesson_content']); |
| 153 | |
| 154 | $lesson_data = array( |
| 155 | 'ID' => $lesson_id, |
| 156 | 'post_title' => $title, |
| 157 | 'post_name' => sanitize_title($title), |
| 158 | 'post_content' => $lesson_content, |
| 159 | ); |
| 160 | |
| 161 | do_action('tutor/lesson_update/before', $lesson_id); |
| 162 | wp_update_post($lesson_data); |
| 163 | if ($_lesson_thumbnail_id){ |
| 164 | update_post_meta($lesson_id, '_thumbnail_id', $_lesson_thumbnail_id); |
| 165 | }else{ |
| 166 | delete_post_meta($lesson_id, '_thumbnail_id'); |
| 167 | } |
| 168 | do_action('tutor/lesson_update/after', $lesson_id); |
| 169 | |
| 170 | $course_id = tutor_utils()->get_course_id_by_lesson($lesson_id); |
| 171 | |
| 172 | ob_start(); |
| 173 | include tutor()->path.'views/metabox/course-contents.php'; |
| 174 | $course_contents = ob_get_clean(); |
| 175 | |
| 176 | wp_send_json_success(array('course_contents' => $course_contents)); |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * Delete Lesson from course builder |
| 181 | */ |
| 182 | public function tutor_delete_lesson_by_id(){ |
| 183 | $lesson_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('lesson_id', $_POST)); |
| 184 | |
| 185 | if(!tutils()->can_user_manage('lesson', $lesson_id)) { |
| 186 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 187 | } |
| 188 | |
| 189 | wp_delete_post($lesson_id, true); |
| 190 | delete_post_meta($lesson_id, '_tutor_course_id_for_lesson'); |
| 191 | wp_send_json_success(); |
| 192 | } |
| 193 | |
| 194 | |
| 195 | /** |
| 196 | * @param $uri |
| 197 | * @param $lesson_id |
| 198 | * |
| 199 | * @return mixed |
| 200 | * |
| 201 | * Changed the URI based |
| 202 | */ |
| 203 | |
| 204 | public function change_lesson_permalink($uri, $lesson_id){ |
| 205 | $post = get_post($lesson_id); |
| 206 | |
| 207 | if ($post && $post->post_type === $this->lesson_post_type){ |
| 208 | $uri_base = trailingslashit(site_url()); |
| 209 | |
| 210 | $sample_course = "sample-course"; |
| 211 | $is_course = get_post_meta(get_the_ID(), '_tutor_course_id_for_lesson', true); |
| 212 | if ($is_course){ |
| 213 | $course = get_post($is_course); |
| 214 | if ($course){ |
| 215 | $sample_course = $course->post_name; |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | $new_course_base = $uri_base."course/{$sample_course}/lesson/%pagename%/"; |
| 220 | $uri[0] = $new_course_base; |
| 221 | } |
| 222 | |
| 223 | return $uri; |
| 224 | } |
| 225 | |
| 226 | |
| 227 | public function flush_rewrite_rules(){ |
| 228 | $is_required_flush = get_option('required_rewrite_flush'); |
| 229 | if ($is_required_flush){ |
| 230 | flush_rewrite_rules(); |
| 231 | delete_option( 'required_rewrite_flush' ); |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | |
| 236 | public function add_column($columns){ |
| 237 | $date_col = $columns['date']; |
| 238 | unset($columns['date']); |
| 239 | $columns['course'] = __('Course', 'tutor'); |
| 240 | $columns['date'] = $date_col; |
| 241 | |
| 242 | return $columns; |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * @param $column |
| 247 | * @param $post_id |
| 248 | * |
| 249 | */ |
| 250 | public function custom_lesson_column($column, $post_id ){ |
| 251 | if ($column === 'course'){ |
| 252 | |
| 253 | $course_id = get_post_meta($post_id, '_tutor_course_id_for_lesson', true); |
| 254 | if ($course_id){ |
| 255 | echo '<a href="'.admin_url('post.php?post='.$course_id.'&action=edit').'">'.get_the_title($course_id).'</a>'; |
| 256 | } |
| 257 | |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | /** |
| 262 | * |
| 263 | * Mark lesson completed |
| 264 | * |
| 265 | * @since v.1.0.0 |
| 266 | */ |
| 267 | public function mark_lesson_complete(){ |
| 268 | if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_complete_lesson' ){ |
| 269 | return; |
| 270 | } |
| 271 | //Checking nonce |
| 272 | tutor_utils()->checking_nonce(); |
| 273 | |
| 274 | $user_id = get_current_user_id(); |
| 275 | |
| 276 | //TODO: need to show view if not signed_in |
| 277 | if ( ! $user_id){ |
| 278 | die(__('Please Sign-In', 'tutor')); |
| 279 | } |
| 280 | |
| 281 | $lesson_id = (int) sanitize_text_field($_POST['lesson_id']); |
| 282 | |
| 283 | do_action('tutor_lesson_completed_before', $lesson_id); |
| 284 | /** |
| 285 | * Marking lesson at user meta, meta format, _tutor_completed_lesson_id_{id} and value = tutor_time(); |
| 286 | */ |
| 287 | tutor_utils()->mark_lesson_complete($lesson_id); |
| 288 | |
| 289 | do_action('tutor_lesson_completed_after', $lesson_id, $user_id); |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * Render the lesson content |
| 294 | */ |
| 295 | public function tutor_render_lesson_content(){ |
| 296 | $lesson_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('lesson_id', $_POST)); |
| 297 | |
| 298 | $ancestors = get_post_ancestors($lesson_id); |
| 299 | $course_id = !empty($ancestors) ? array_pop($ancestors): $lesson_id; |
| 300 | |
| 301 | // Course must be public or current user must be enrolled to access this lesson |
| 302 | if(get_post_meta($course_id, '_tutor_is_public_course', true)!=='yes' && !tutils()->is_enrolled($course_id)){ |
| 303 | http_response_code(400); |
| 304 | exit; |
| 305 | } |
| 306 | |
| 307 | ob_start(); |
| 308 | global $post; |
| 309 | |
| 310 | $post = get_post($lesson_id); |
| 311 | setup_postdata($post); |
| 312 | tutor_lesson_content(); |
| 313 | wp_reset_postdata(); |
| 314 | |
| 315 | $html = ob_get_clean(); |
| 316 | wp_send_json_success(array('html' => $html)); |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * Load next course item automatically |
| 321 | * |
| 322 | * @since v.1.4.9 |
| 323 | */ |
| 324 | public function autoload_next_course_content(){ |
| 325 | tutor_utils()->checking_nonce(); |
| 326 | $post_id = sanitize_text_field($_POST['post_id']); |
| 327 | $content_id = tutils()->get_post_id($post_id); |
| 328 | $contents = tutor_utils()->get_course_prev_next_contents_by_id($content_id); |
| 329 | |
| 330 | $autoload_course_content = (bool) get_tutor_option('autoload_next_course_content'); |
| 331 | $next_url = false; |
| 332 | if($autoload_course_content) { |
| 333 | $next_url = get_the_permalink($contents->next_id); |
| 334 | } |
| 335 | wp_send_json_success(array('next_url' => $next_url)); |
| 336 | } |
| 337 | |
| 338 | /** |
| 339 | * Load next course item after click complete button |
| 340 | * |
| 341 | * @since v.1.5.3 |
| 342 | */ |
| 343 | public function tutor_lesson_completed_after($content_id){ |
| 344 | $contents = tutor_utils()->get_course_prev_next_contents_by_id($content_id); |
| 345 | $autoload_course_content = (bool) get_tutor_option('autoload_next_course_content'); |
| 346 | if($autoload_course_content) { |
| 347 | wp_redirect(get_the_permalink($contents->next_id)); |
| 348 | } else { |
| 349 | wp_redirect(get_the_permalink($content_id)); |
| 350 | } |
| 351 | die(); |
| 352 | } |
| 353 | |
| 354 | } |
| 355 | |
| 356 | |
| 357 |