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<?php |
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|
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function wpc_track_lesson() { |
| 4 |
$post_type = get_post_type(); |
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$logged_in = is_user_logged_in(); |
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if($logged_in && $post_type == 'lesson' || $logged_in && $post_type == 'wpc-quiz') { |
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global $wpdb; |
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|
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$post_id = get_the_ID(); |
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$user_id = get_current_user_id(); |
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|
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$time_now = time(); |
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|
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if($post_type == 'lesson'){ |
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$course_id = isset($_GET['course_id']) ? (int) $_GET['course_id'] : wpc_get_first_connected_course($post_id); |
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} else { |
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$course_id = isset($_GET['course_id']) ? (int) $_GET['course_id'] : wpc_get_first_connected_course($post_id, 'quiz-to-course'); |
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} |
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|
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wpc_push_viewed($post_id, $course_id, $user_id); |
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} |
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} |
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add_action("wp_head", "wpc_track_lesson", 10); |
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|
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function wpc_push_viewed($post_id, $course_id, $user_id) { |
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global $wpdb; |
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$table_name = $wpdb->prefix . 'wpc_tracking'; |
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$sql = "SELECT post_id from $table_name WHERE post_id = $post_id And user_id = $user_id"; |
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$results = $wpdb->get_results($sql); |
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|
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$time_now = time(); |
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|
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if($wpdb->num_rows <= 0) { |
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$wpdb->insert( |
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$table_name, array( |
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"user_id" => $user_id, |
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"post_id" => $post_id, |
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"course_id" => $course_id, |
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"completed" => 0, |
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"viewed_timestamp" => $time_now, |
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"completed_timestamp" => 0 |
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), |
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array("%d", "%d", "%d", "%d", "%d") |
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); |
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} else { |
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$wpdb->query($wpdb->prepare("UPDATE $table_name SET viewed_timestamp = %d WHERE user_id = $user_id AND post_id = $post_id AND course_id = $course_id", $time_now)); |
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} |
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update_user_meta($user_id, 'wpc-last-viewed-course', $course_id); |
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} |
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|
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function wpc_push_completed($user_id, $post_id, $status){ |
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global $wpdb; |
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$table_name = $wpdb->prefix . "wpc_tracking"; |
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$sql = "UPDATE $table_name SET completed_timestamp = %d, completed = %d WHERE user_id = $user_id AND post_id = $post_id"; |
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$wpdb->query($wpdb->prepare($sql, time(), $status)); |
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} |
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|
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function wpc_get_lesson_status($user_id, $post_id) { |
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global $wpdb; |
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$table_name = $wpdb->prefix . "wpc_tracking"; |
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$sql = "SELECT completed FROM $table_name WHERE $post_id = post_id AND user_id = $user_id LIMIT 1"; |
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$result = $wpdb->get_results($sql); |
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if(!empty($result)) { |
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$status = array( |
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'viewed' => 1, |
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'completed' => (int) $result[0]->completed |
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); |
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} else { |
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$status = array( |
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'viewed' => 0, |
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'completed' => 0 |
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); |
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} |
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return $status; |
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} |
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|
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function wpc_get_last_tracked_lesson($user_id, $view = 0) { |
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global $wpdb; |
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$table_name = $wpdb->prefix . "wpc_tracking"; |
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if($view === 0){ |
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$sql = "SELECT post_id FROM $table_name ORDER BY viewed_timestamp DESC LIMIT 1"; |
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} else { |
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$sql = "SELECT post_id FROM $table_name WHERE completed = 1 ORDER BY completed_timestamp DESC LIMIT 1"; |
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} |
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$result = $wpdb->get_results($sql); |
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return $result = !empty($result) ? $result[0]->post_id : null; |
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} |
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|
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/** |
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* |
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* @param int $user_id User ID |
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* @param bool $view 0 for viewed, 1 for completed |
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* @param int $page Page you'd like to retrieve results from |
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* @param int $posts_per_page The number of rows you'd like to retrieve |
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* @param bool $include_quiz Set to true to include tracked quizzes in return |
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* @return array Completed and viewed lessons and quizzes (if $include_quiz === true) |
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*/ |
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|
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function wpc_get_tracked_lessons_by_user($user_id, $view = 0, $page = 1, $posts_per_page = 1000000, $include_quiz = true) { |
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global $wpdb; |
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$offset = ($page - 1) * $posts_per_page; |
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$table_name = $wpdb->prefix . "wpc_tracking"; |
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$table_name_2 = $wpdb->prefix . 'posts'; |
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|
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if($view === 0) { |
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if($include_quiz === true) { |
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$sql = "SELECT {$table_name}.user_id, {$table_name}.course_id, {$table_name}.viewed_timestamp, {$table_name}.completed_timestamp, {$table_name}.completed, {$table_name}.post_id, {$table_name_2}.post_status, {$table_name_2}.post_type FROM {$table_name} INNER JOIN $table_name_2 ON {$table_name}.post_id={$table_name_2}.ID WHERE {$table_name}.user_id = {$user_id} AND {$table_name_2}.post_status = 'publish' ORDER BY viewed_timestamp DESC LIMIT $posts_per_page OFFSET $offset"; |
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} else { |
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$sql = "SELECT {$table_name}.user_id, {$table_name}.course_id, {$table_name}.viewed_timestamp, {$table_name}.completed_timestamp, {$table_name}.completed, {$table_name}.post_id, {$table_name_2}.post_status, {$table_name_2}.post_type FROM {$table_name} INNER JOIN $table_name_2 ON {$table_name}.post_id={$table_name_2}.ID WHERE {$table_name}.user_id = {$user_id} AND {$table_name_2}.post_status = 'publish' AND {$table_name_2}.post_type != 'wpc-quiz' ORDER BY viewed_timestamp DESC LIMIT $posts_per_page OFFSET $offset"; |
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} |
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} else { |
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if($include_quiz === true) { |
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$sql = "SELECT {$table_name}.user_id, {$table_name}.course_id, {$table_name}.viewed_timestamp, {$table_name}.completed_timestamp, {$table_name}.completed, {$table_name}.post_id, {$table_name_2}.post_status, {$table_name_2}.post_type FROM {$table_name} INNER JOIN $table_name_2 ON {$table_name}.post_id={$table_name_2}.ID WHERE {$table_name}.user_id = {$user_id} AND {$table_name_2}.post_status = 'publish' AND {$table_name}.completed = 1 ORDER BY viewed_timestamp DESC LIMIT $posts_per_page OFFSET $offset"; |
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} else { |
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$sql = "SELECT {$table_name}.user_id, {$table_name}.course_id, {$table_name}.viewed_timestamp, {$table_name}.completed_timestamp, {$table_name}.completed, {$table_name}.post_id, {$table_name_2}.post_status, {$table_name_2}.post_type FROM {$table_name} INNER JOIN $table_name_2 ON {$table_name}.post_id={$table_name_2}.ID WHERE {$table_name}.user_id = {$user_id} AND {$table_name_2}.post_status = 'publish' AND {$table_name}.completed = 1 AND {$table_name_2}.post_type != 'wpc-quiz' ORDER BY viewed_timestamp DESC LIMIT $posts_per_page OFFSET $offset"; |
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} |
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} |
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$results = $wpdb->get_results($sql); |
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return $results; |
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} |
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|
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function wpc_get_viewed_lessons_per_day($days = 90, $view = 0) { |
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global $wpdb; |
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$table_name = $wpdb->prefix . "wpc_tracking"; |
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$view = $view === 0 ? 0 : 1; |
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$view_column_timestamp = $view === 0 ? 'viewed_timestamp' : 'completed_timestamp'; |
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$sql = "SELECT COUNT(FROM_UNIXTIME($view_column_timestamp, '%Y-%m-%d')) as y, FROM_UNIXTIME($view_column_timestamp, '%Y-%m-%d') as x FROM $table_name WHERE $view_column_timestamp > 0 AND completed = {$view} GROUP BY FROM_UNIXTIME($view_column_timestamp, '%Y-%m-%d') ORDER BY $view_column_timestamp DESC LIMIT {$days}"; |
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$results = $wpdb->get_results($sql); |
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$results = array_reverse($results); |
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return $results; |
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} |
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|
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function wpc_get_active_users($num = 25, $view = 0, $time_length = 604800) { |
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global $wpdb; |
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$table_name = $wpdb->prefix . "wpc_tracking"; |
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$table_name_2 = $wpdb->prefix . "users"; |
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|
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$time_now = time(); |
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$time_start = $time_now - $time_length; |
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|
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// get viewed |
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if($view === 0) { |
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$sql = "SELECT COUNT({$table_name}.post_id) as y, {$table_name_2}.user_login as x FROM $table_name INNER JOIN $table_name_2 ON {$table_name}.user_id={$table_name_2}.ID WHERE viewed_timestamp >= $time_start GROUP BY {$table_name}.user_id ORDER BY y DESC LIMIT $num"; |
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} else { |
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// get completed |
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$sql = "SELECT COUNT({$table_name}.post_id) as y, {$table_name_2}.user_login as x FROM $table_name INNER JOIN $table_name_2 ON {$table_name}.user_id={$table_name_2}.ID WHERE completed = {$view} AND completed_timestamp >= $time_start GROUP BY {$table_name}.user_id ORDER BY y DESC LIMIT $num"; |
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} |
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|
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$results = $wpdb->get_results($sql); |
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return $results; |
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} |
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|
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/** |
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* checks whether or not someone has viewed of completed a lesson |
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* @param int $post_id The lesson or quiz ID you'd like to check for being viewed or completed |
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* @param array $tracking The user tracking data from wpc_get_tracked_lessons_by_user( (int) $user_id, (int) $view (int) $page, (int) $posts_per_page) |
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* @param bool $view 0 for viewed lessons, 1 for completed lessons |
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* @return bool If the lesson or quiz has been completed or viewed depending upon the passed $view parameter |
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*/ |
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|
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function wpc_has_done($post_id, $tracking, $view = 0) { |
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$done = false; |
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foreach($tracking as $tracked){ |
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if($view === 1) { |
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if($tracked->post_id == $post_id && $tracked->completed == $view){ |
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$done = true; |
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break; |
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} else { |
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$done = false; |
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} |
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} else { |
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if($tracked->post_id == $post_id){ |
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$done = true; |
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break; |
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} else { |
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$done = false; |
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} |
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} |
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|
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} |
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return $done; |
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} |
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|
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/** |
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* @param int $user_id User ID |
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* @param bool $view 0 for viewed lessons, 1 for completed lessons |
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* @param bool $include_quiz true to include viewed and completed quizzes in result |
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* @return int Total count of how many lessons have been viewed or completed |
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*/ |
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|
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function wpc_get_user_tracking_count($user_id, $view = 0, $include_quiz = true){ |
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$query = wpc_get_tracked_lessons_by_user($user_id, $view, 1, 1000000, $include_quiz); |
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return count($query); |
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} |
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|
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/** |
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* @param int $course_id The course ID for the percentage complete you'd like to retrieve |
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* @param int $user_id |
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* @param bool $view 0 for viewed lessons, 1 for completed lessons |
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* @return int Percentage complete for the passed course ID |
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*/ |
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|
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function wpc_get_percent_done($course_id, $user_id = null, $view = 0){ |
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|
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if($course_id == -1) { |
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return 0; |
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} |
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|
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if($user_id == null){ |
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$user_id = get_current_user_id(); |
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} |
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|
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$args = array( |
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'post_to' => $course_id, |
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'connection_type' => array('lesson-to-course', 'quiz-to-course'), |
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'join' => false, |
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); |
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|
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$lessons = wpc_get_connected($args); |
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|
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$all_lessons_count = 0; |
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|
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if(!empty($lessons)){ |
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foreach($lessons as $lesson) { |
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if(get_post_status($lesson->post_from) == 'publish'){ |
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$all_lessons_count++; |
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} |
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} |
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} |
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|
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$count = 0; |
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|
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if($all_lessons_count === 0) { |
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return 0; |
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} |
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|
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foreach($lessons as $lesson) { |
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$status = wpc_get_lesson_status($user_id, $lesson->post_from); |
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$status = $view === 0 ? (int) $status['viewed'] : (int) $status['completed']; |
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$status === 1 && get_post_status($lesson->post_from) == 'publish' ? $count++ : ''; |
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} |
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|
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$percent_done = $count > 0 ? ($count / $all_lessons_count) * 100 : 0; |
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return (int) $percent_done; |
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} |
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|
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/** |
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* @param int $module_id The module ID for the percentage complete you'd like to retrieve |
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* @param int $user_id |
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* @param bool $view 0 for viewed lessons, 1 for completed lessons |
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* @return int Percentage complete for the passed module ID |
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*/ |
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|
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function wpc_get_module_percent_done($module_id, $user_id, $view = 0) { |
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global $wpdb; |
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$table_name = $wpdb->prefix . "wpc_connections"; |
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$sql = "SELECT post_from FROM $table_name WHERE connection_type = 'lesson-to-module' AND post_to = $module_id"; |
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$results = $wpdb->get_results($sql, ARRAY_N); |
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$all_lesson_ids_count = $wpdb->num_rows; |
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$lesson_ids = array_map('end', $results); |
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$lesson_ids = "'" . implode("', '", $lesson_ids) . "'"; |
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|
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$table_name = $wpdb->prefix . "wpc_tracking"; |
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if($view === 0) { |
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$sql = "SELECT post_id FROM $table_name WHERE post_id IN ( $lesson_ids ) AND user_id = $user_id"; |
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} else { |
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$sql = "SELECT post_id FROM $table_name WHERE post_id IN ( $lesson_ids ) AND user_id = $user_id AND completed = $view"; |
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} |
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|
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$results = $wpdb->get_results($sql); |
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$tracked_lesson_ids = $wpdb->num_rows; |
| 272 |
|
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return $tracked_lesson_ids === 0 || $all_lesson_ids_count === 0 ? 0 : ( $tracked_lesson_ids / $all_lesson_ids_count ) * 100; |
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} |
| 275 |
|
| 276 |
function wpc_get_average_percent( $view = 0, $count = 5, $time_length = 7889229 ) { |
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$time_now = time(); |
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$time_start = $time_now - $time_length; |
| 279 |
|
| 280 |
global $wpdb; |
| 281 |
$user_count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->users" ); |
| 282 |
$table_name = $wpdb->prefix . "wpc_connections"; |
| 283 |
$tracking_table = $wpdb->prefix . "wpc_tracking"; |
| 284 |
|
| 285 |
$course_titles = array(); |
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$all_percent = array(); |
| 287 |
|
| 288 |
$course_args = array( |
| 289 |
'post_type' => 'course', |
| 290 |
'nopaging' => true, |
| 291 |
'post_status' => 'publish', |
| 292 |
'posts_per_page' => -1, |
| 293 |
); |
| 294 |
|
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$course_query = new WP_Query($course_args); |
| 296 |
|
| 297 |
while($course_query->have_posts()) { |
| 298 |
$course_query->the_post(); |
| 299 |
$id = get_the_ID(); |
| 300 |
$course_titles[] = get_the_title(); |
| 301 |
|
| 302 |
$sql = "SELECT post_from FROM $table_name WHERE connection_type = 'lesson-to-course' AND post_to = $id"; |
| 303 |
$wpdb->get_results($sql); |
| 304 |
$total_connected_count = $wpdb->num_rows; |
| 305 |
|
| 306 |
$sql = $view === 0 ? "SELECT user_id FROM $tracking_table WHERE course_id = $id" : "SELECT user_id FROM $tracking_table WHERE course_id = $id AND completed = 1"; |
| 307 |
$wpdb->get_results($sql); |
| 308 |
$total_tracked = $wpdb->num_rows; |
| 309 |
|
| 310 |
if($total_connected_count !== 0 && $total_tracked !== 0) { |
| 311 |
$avg_lessons_viewed = $total_tracked / $user_count; |
| 312 |
$avg_percent = $avg_lessons_viewed / $total_connected_count; |
| 313 |
} else { |
| 314 |
$avg_percent = 0; |
| 315 |
} |
| 316 |
|
| 317 |
$all_percent[] = $avg_percent * 100; |
| 318 |
} |
| 319 |
|
| 320 |
array_multisort($all_percent, SORT_DESC, SORT_NUMERIC, $course_titles); |
| 321 |
// limit number of courses |
| 322 |
$all_percent = array_slice($all_percent, 0, 5); |
| 323 |
$course_titles = array_slice($course_titles, 0, 5); |
| 324 |
return array($course_titles, $all_percent); |
| 325 |
} |
| 326 |
|
| 327 |
?> |
