esc_html__( 'Are you sure you want to install sample course data?', 'learnpress' ), 'confirm_uninstall_sample_data' => esc_html__( 'Are you sure you want to delete sample course data?', 'learnpress' ), ); if ( empty( $data['i18n'] ) ) { $data['i18n'] = $i18n; } else { $data['i18n'] = array_merge( $data['i18n'], $i18n ); } return $data; } /** * Install */ public function install() { if ( ! wp_verify_nonce( LP_Request::get_string( '_wpnonce' ), 'install-sample-course' ) ) { return; } $dummy_text = LP_WP_Filesystem::instance()->file_get_contents( LP_PLUGIN_PATH . '/dummy-data/dummy-text.txt' ); $this->dummy_text = preg_split( '!\s!', $dummy_text ); $section_range = LP_Request::get( 'section-range' ); if ( $section_range ) { self::$section_range = $section_range; } $item_range = LP_Request::get( 'item-range' ); if ( $item_range ) { self::$item_range = $item_range; } $question_range = LP_Request::get( 'question-range' ); if ( $question_range ) { self::$question_range = $question_range; } $answer_range = LP_Request::get( 'answer-range' ); if ( $answer_range ) { self::$answer_range = $answer_range; } //LP_Debug::startTransaction(); try { @ini_set( 'memory_limit', '2G' ); global $wp_filter; $keys = array_keys( $wp_filter ); $ignore_keys = array( 'sanitize_title' ); foreach ( $keys as $key ) { if ( in_array( $key, $ignore_keys ) ) { continue; } unset( $wp_filter[ $key ] ); } $name = LP_Request::get_string( 'custom-name' ); $course_id = $this->create_course( $name ); if ( ! $course_id ) { throw new Exception( 'Create course failed.' ); } $this->create_sections( $course_id ); $price = LP_Request::get( 'course-price' ); if ( $price ) { update_post_meta( $course_id, '_lp_regular_price', $price ); } /** * Save info course in background. */ $bg = LP_Background_Single_Course::instance(); $bg->data( array( 'handle_name' => 'save_post', 'course_id' => $course_id, 'data' => [ 'data_sample' => 1 ], ) )->dispatch(); ?>

'; echo wp_kses_post( $ex->getMessage() ); echo ''; } die(); } /** * Un-install */ public function uninstall() { if ( ! wp_verify_nonce( LP_Request::get_string( '_wpnonce' ), 'uninstall-sample-course' ) ) { return; } global $wpdb; $posts = $this->get_sample_posts(); try { if ( ! $posts ) { throw new Exception( esc_html__( 'No data sample.', 'learnpress' ) ); } foreach ( $posts as $post ) { switch ( $post->post_type ) { case LP_COURSE_CPT: $this->_delete_course( $post->ID ); break; case LP_QUIZ_CPT: $this->_delete_quiz( $post->ID ); break; case LP_QUESTION_CPT: $this->_delete_question( $post->ID ); break; } $this->_delete_post( $post->ID ); } ?>

'; echo 'Error: ' . $ex->getMessage(); echo ''; } die(); } /** * Get all posts marked as "sample data" * * @return array|null|object */ public function get_sample_posts() { global $wpdb; $query = $wpdb->prepare( " SELECT p.ID, post_type FROM {$wpdb->posts} p INNER JOIN {$wpdb->postmeta} pm ON p.ID = pm.post_id AND pm.meta_key = %s AND pm.meta_value = %s ", '_lp_sample_data', 'yes' ); return $wpdb->get_results( $query ); } protected function _delete_course( $id ) { global $wpdb; $query = $wpdb->prepare( " SELECT section_id FROM {$wpdb->learnpress_sections} WHERE section_course_id = %d ", $id ); $section_ids = $wpdb->get_col( $query ); if ( $section_ids ) { $wpdb->query( "DELETE FROM {$wpdb->learnpress_section_items} WHERE section_id IN(" . join( ',', $section_ids ) . ')' ); $wpdb->query( "DELETE FROM {$wpdb->learnpress_sections} WHERE section_id IN(" . join( ',', $section_ids ) . ')' ); } } protected function _delete_quiz( $id ) { global $wpdb; $wpdb->query( "DELETE FROM {$wpdb->learnpress_quiz_questions} WHERE quiz_id = {$id}" ); } protected function _delete_question( $id ) { global $wpdb; $wpdb->query( "DELETE FROM {$wpdb->learnpress_question_answers} WHERE question_id = {$id}" ); } protected function _delete_post( $post_id ) { global $wpdb; $wpdb->query( "DELETE FROM {$wpdb->postmeta} WHERE post_id = $post_id" ); $wpdb->query( "DELETE FROM {$wpdb->posts} WHERE ID = $post_id" ); } protected function _delete_user_items( $ids ) { global $wpdb; $format = array_fill( 0, sizeof( $ids ), '%d' ); $query = $wpdb->prepare( " DELETE FROM {$wpdb->learnpress_user_items} WHERE item_id IN(" . join( ',', $format ) . ') ', $ids ); $wpdb->query( $query ); } /** * Generate content with 'lorem' text. * * @param int $min * @param int $max * @param int $paragraphs * * @return string */ protected function generate_content( $min = 100, $max = 500, $paragraphs = 10 ) { $length = rand( $min, $max ); $max = sizeof( $this->dummy_text ) - 1; $words = array(); for ( $i = 0; $i < $length; $i ++ ) { $words[] = $this->dummy_text[ rand( 0, $max ) ]; } $p = array(); if ( ! $paragraphs ) { $paragraphs = self::$max_content_paragraph; } while ( $words && sizeof( $p ) < $paragraphs ) { $len = rand( 10, 20 ); $cut = array_splice( $words, 0, $len ); $p[] = '

' . ucfirst( join( ' ', $cut ) ) . '

'; } return join( '', $p ); } /** * Generate title with 'lorem' text. * * @param int $min * @param int $max * * @return string */ protected function generate_title( $min = 10, $max = 15 ) { $length = rand( $min, $max ); $max = sizeof( $this->dummy_text ) - 1; $words = array(); for ( $i = 0; $i < $length; $i ++ ) { $words[] = $this->dummy_text[ rand( 0, $max ) ]; } return ucfirst( join( ' ', $words ) ); } /** * Create course. * * @param string $name * * @return int|WP_Error */ protected function create_course( $name = '' ) { $data = array( 'post_title' => strlen( $name ) ? $name : __( 'Sample course', 'learnpress' ), 'post_type' => LP_COURSE_CPT, 'post_status' => 'publish', 'post_content' => $this->generate_content( 25, 40, 5 ), ); $course_id = wp_insert_post( $data ); if ( $course_id ) { $metas = array( '_lp_duration' => '10 week', '_lp_max_students' => '1000', '_lp_students' => '0', '_lp_retake_count' => '0', '_lp_featured' => 'no', '_lp_has_finish' => 'yes', '_lp_course_result' => 'evaluate_lesson', '_lp_passing_condition' => '80', '_lp_sample_data' => 'yes', ); foreach ( $metas as $key => $value ) { update_post_meta( $course_id, $key, $value ); } $this->add_extra_info( $course_id ); } return $course_id; } protected function add_extra_info( $course_id ) { $features = array( 'requirements', 'target_audiences', 'key_features' ); // Requirements, Target audiences, Key Features foreach ( $features as $feature ) { $feature_data = array(); for ( $i = 0, $n = rand( 5, 10 ); $i <= $n; $i ++ ) { $feature_data[] = $this->generate_title(); } update_post_meta( $course_id, '_lp_' . $feature, $feature_data ); } // FAQs $feature_data = array(); for ( $i = 0, $n = rand( 5, 10 ); $i <= $n; $i ++ ) { $feature_data[] = array( $this->generate_title() . '?', $this->generate_content( 20, 30, 3 ) ); } update_post_meta( $course_id, '_lp_faqs', $feature_data ); // Featured review update_post_meta( $course_id, '_lp_featured_review', $this->generate_title( 30, 40 ) ); } /** * Create sections. * * @param int $course_id */ protected function create_sections( $course_id ) { $section_length = call_user_func_array( 'rand', ( self::$section_range ) ); for ( $i = 1; $i <= $section_length; $i ++ ) { $section_id = $this->create_section( 'Section ' . $i, $course_id ); if ( $section_id ) { $this->create_section_items( $section_id, $course_id ); } } } /** * Create section. * * @param string $name * @param int $course_id * * @return int */ protected function create_section( $name, $course_id ) { static $order = 0; global $wpdb; $data = array( 'section_name' => $name, 'section_course_id' => $course_id, 'section_order' => $order, 'section_description' => $this->generate_title(), ); $wpdb->insert( $wpdb->learnpress_sections, $data, array( '%s', '%d', '%d', '%s' ) ); if ( $wpdb->insert_id ) { $order ++; return $wpdb->insert_id; } return 0; } /** * Create section items. * * @param int $section_id * @param int $course_id */ protected function create_section_items( $section_id, $course_id ) { static $lesson_count = 1; static $quiz_count = 1; $order = 0; $item_length = call_user_func_array( 'rand', self::$item_range ); for ( $i = 1; $i < $item_length; $i ++ ) { $lesson_id = $this->create_lesson( 'Lesson ' . $lesson_count ++, $section_id, $course_id, $order ); if ( $lesson_id ) { $order ++; if ( $i == 1 ) { update_post_meta( $lesson_id, '_lp_preview', 'yes' ); } } } $quiz_id = $this->create_quiz( 'Quiz ' . $quiz_count ++, $section_id, $course_id, $order ); if ( $quiz_id ) { $order ++; } } /** * Create lesson. * * @param string $name * @param int $section_id * @param int $course_id * * @return int|WP_Error */ protected function create_lesson( $name, $section_id, $course_id, $order ) { global $wpdb; $data = array( 'post_title' => $name, 'post_type' => LP_LESSON_CPT, 'post_status' => 'publish', 'post_content' => $this->generate_content(), ); $lesson_id = wp_insert_post( $data ); if ( $lesson_id ) { update_post_meta( $lesson_id, '_lp_sample_data', 'yes' ); $section_data = array( 'section_id' => $section_id, 'item_id' => $lesson_id, 'item_type' => LP_LESSON_CPT, 'item_order' => absint( $order ), ); $wpdb->insert( $wpdb->learnpress_section_items, $section_data, array( '%d', '%d', '%s', '%d' ) ); } return $lesson_id; } /** * Create quiz. * * @param string $name * @param int $section_id * @param int $course_id * * @return int|WP_Error */ protected function create_quiz( $name, $section_id, $course_id, $order ) { global $wpdb; $data = array( 'post_title' => $name, 'post_type' => LP_QUIZ_CPT, 'post_status' => 'publish', 'post_content' => $this->generate_content( 25, 40, 2 ), ); $quiz_id = wp_insert_post( $data ); if ( $quiz_id ) { $metas = array( '_lp_preview' => 'no', // '_lp_minus_points' => 0, // '_lp_show_hide_question' => 'no', // '_lp_review_questions' => 'yes', // '_lp_show_result' => 'yes', '_lp_duration' => ( rand( 1, 5 ) * 10 ) . ' ' . 'minute', '_lp_passing_grade' => rand( 5, 9 ) * 10, // '_lp_retake_count' => rand( 0, 10 ), // '_lp_archive_history' => 'no', // '_lp_show_check_answer' => '0', // '_lp_show_hint' => '0', '_lp_sample_data' => 'yes', '_lp_negative_marking' => 'no', '_lp_minus_skip_questions' => 'no', '_lp_instant_check' => 'no', '_lp_retake_count' => '0', '_lp_pagination' => '1', '_lp_review' => 'yes', '_lp_show_correct_review' => 'yes', ); foreach ( $metas as $key => $value ) { update_post_meta( $quiz_id, $key, $value ); } $section_data = array( 'section_id' => $section_id, 'item_id' => $quiz_id, 'item_type' => LP_QUIZ_CPT, 'item_order' => absint( $order ), ); $wpdb->insert( $wpdb->learnpress_section_items, $section_data, array( '%d', '%d', '%s', '%d' ) ); $this->create_quiz_questions( $quiz_id ); } return $quiz_id; } /** * Create questions of a quiz. * * @param int $quiz_id */ protected function create_quiz_questions( $quiz_id ) { static $question_index = 1; global $wpdb; $question_count = call_user_func_array( 'rand', self::$question_range ); for ( $i = 1; $i <= $question_count; $i ++ ) { $data = array( 'post_title' => 'Question ' . $question_index ++, 'post_type' => LP_QUESTION_CPT, 'post_status' => 'publish', 'post_content' => $this->generate_content( 25, 40, 2 ), ); $question_id = wp_insert_post( $data ); if ( ! $question_id ) { continue; } $type = $this->get_question_type(); update_post_meta( $question_id, '_lp_type', $type ); update_post_meta( $question_id, '_lp_sample_data', 'yes' ); $quiz_question_data = array( 'quiz_id' => $quiz_id, 'question_id' => $question_id, ); $wpdb->insert( $wpdb->learnpress_quiz_questions, $quiz_question_data, array( '%d', '%d' ) ); if ( $wpdb->insert_id ) { $this->create_question_answers( $question_id, $type ); } else { error_log( 'create_quiz_questions => ', $wpdb->last_error ); } } } /** * Create answers for a question. * * @param int $question_id * @param string $type */ protected function create_question_answers( $question_id, $type ) { global $wpdb; $answers = $this->get_answers( $type ); foreach ( $answers as $order => $answer ) { $data = array( 'question_id' => $question_id, 'title' => $answer['title'], 'value' => $answer['value'], 'is_true' => $answer['is_true'], 'order' => $order + 1, ); $wpdb->insert( $wpdb->learnpress_question_answers, $data, array( '%d', '%s', '%s', '%s', '%d' ) ); } } /** * Get random answers by type of question. * * @param string $type * * @return array */ protected function get_answers( $type ) { $answers = array(); $option_count = $type === 'true_or_false' ? 2 : call_user_func_array( 'rand', self::$answer_range ); for ( $i = 1; $i <= $option_count; $i ++ ) { $answers[] = array( 'title' => $this->generate_title(), 'value' => learn_press_random_value(), 'is_true' => 'no', ); } // Set option is TRUE randomize if ( $type !== 'multi_choice' ) { $at = rand( 0, sizeof( $answers ) - 1 ); $answers[ $at ]['is_true'] = 'yes'; $answers[ $at ]['title'] = _x( '[TRUE] - ', 'install-sample-course', 'learnpress' ) . $answers[ $at ]['title']; } else { $has_true_option = false; while ( ! $has_true_option ) { foreach ( $answers as $k => $v ) { $answers[ $k ]['is_true'] = rand( 0, 100 ) % 2 ? 'yes' : 'no'; if ( $answers[ $k ]['is_true'] === 'yes' ) { $answers[ $k ]['title'] = _x( ' [TRUE] - ', 'install-sample-course', 'learnpress' ) . $answers[ $k ]['title']; $has_true_option = true; } } } } return $answers; } /** * Get random type for a question. * * @return string */ protected function get_question_type() { $types = array( 'true_or_false', 'single_choice', 'multi_choice', ); return $types[ rand( 0, sizeof( $types ) - 1 ) ]; } } new LP_Install_Sample_Data();