| Current File : /home/kelaby89/abl.academy/wp-content/plugins/learnpress/inc/Models/CourseSectionModel.php |
<?php
namespace LearnPress\Models;
use Exception;
use LP_Background_Single_Course;
use LP_Cache;
use LP_Database;
use LP_Section_DB;
use LP_Section_Filter;
use LP_Section_Items_DB;
use LP_Section_Items_Filter;
use stdClass;
use Throwable;
/**
* Class CourseSectionModel
*
* Handle all method about section course
*
* @package LearnPress/Classes
* @version 1.0.0
* @since 4.2.8.6
*/
class CourseSectionModel {
/**
* Auto increment, Primary key
*
* @var int
*/
public $section_id = 0;
/**
* Title of the section
*
* @var int
*/
public $section_name = '';
/**
* Foreign key, Course ID
*
* @var int
*/
public $section_course_id = 0;
/**
* Order of the section
*
* @var int
*/
public $section_order = 0;
/**
* Description of the section
*
* @var string
*/
public $section_description = '';
/**
* If data get from database, map to object.
* Else create new object to save data to database.
*
* @param array|object|mixed $data
*/
public function __construct( $data = null ) {
if ( $data ) {
$this->map_to_object( $data );
}
}
/**
* Map array, object data to CourseSectionModel.
* Use for data get from database.
*
* @param array|object|mixed $data
*
* @return CourseSectionModel
*/
public function map_to_object( $data ): CourseSectionModel {
foreach ( $data as $key => $value ) {
if ( property_exists( $this, $key ) ) {
$this->{$key} = $value;
}
}
return $this;
}
/**
* Get section id
*
* @return int
*/
public function get_section_id(): int {
return $this->section_id;
}
/**
* Get course model
*
* @return false|CourseModel
*/
public function get_course_model() {
return CourseModel::find( $this->section_course_id, true );
}
/**
* Get section by course id
*
* @return false|CourseSectionModel
*/
public static function find( int $section_id, int $course_id, $check_cache = true ) {
$filter = new LP_Section_Filter();
$filter->section_id = $section_id;
$filter->section_course_id = $course_id;
$key_cache = "courseSection/find/{$section_id}/{$course_id}";
$lpSectionCache = new LP_Cache();
// Check cache
if ( $check_cache ) {
$courseSectionModel = $lpSectionCache->get_cache( $key_cache );
if ( $courseSectionModel instanceof CourseSectionModel ) {
return $courseSectionModel;
}
}
$courseSectionModel = static::get_item_model_from_db( $filter );
// Set cache
if ( $courseSectionModel instanceof CourseSectionModel ) {
$lpSectionCache->set_cache( $key_cache, $courseSectionModel );
}
return $courseSectionModel;
}
/**
* Get section by course id
*
* @return false|CourseSectionModel
*/
public static function find_by_course( int $course_id, $check_cache = true ) {
$filter = new LP_Section_Filter();
$filter->section_course_id = $course_id;
$key_cache = "courseSection/find/course/{$course_id}";
$lpSectionCache = new LP_Cache();
// Check cache
if ( $check_cache ) {
$courseSectionModel = $lpSectionCache->get_cache( $key_cache );
if ( $courseSectionModel instanceof CourseSectionModel ) {
return $courseSectionModel;
}
}
$courseSectionModel = static::get_item_model_from_db( $filter );
// Set cache
if ( $courseSectionModel instanceof CourseSectionModel ) {
$lpSectionCache->set_cache( $key_cache, $courseSectionModel );
}
return $courseSectionModel;
}
/**
* Get post from database.
* If not exists, return false.
* If exists, return CourseSectionModel.
*
* @param LP_Section_Filter $filter
*
* @return CourseSectionModel|false|static
* @version 1.0.0
*/
public static function get_item_model_from_db( LP_Section_Filter $filter ) {
$lp_section_db = LP_Section_DB::getInstance();
$sectionModel = false;
try {
$lp_section_db->get_query_single_row( $filter );
$query_single_row = $lp_section_db->get_sections( $filter );
$section_rs = $lp_section_db->wpdb->get_row( $query_single_row );
if ( $section_rs instanceof stdClass ) {
$sectionModel = new static( $section_rs );
}
} catch ( Throwable $e ) {
error_log( __METHOD__ . ': ' . $e->getMessage() );
}
return $sectionModel;
}
/**
* Create item and add to section.
*
* @param array $data
*
* @return CourseSectionItemModel
* @throws Exception
* @since 4.2.8.6
* @version 1.0.1
*/
public function create_item_and_add( array $data ): CourseSectionItemModel {
$item_type = trim( $data['item_type'] ?? '' );
$item_title = $data['item_title'] ?? '';
$courseModel = $this->get_course_model();
$section_id = $this->get_section_id();
if ( ! $courseModel instanceof CourseModel ) {
throw new Exception( __( 'Course not found', 'learnpress' ) );
}
$item_types = CourseModel::item_types_support();
if ( ! in_array( $item_type, $item_types ) ) {
throw new Exception( __( 'Item type invalid', 'learnpress' ) );
}
// Create new item
if ( empty( $item_title ) ) {
throw new Exception( __( 'Item title is required', 'learnpress' ) );
}
// Create item
$itemModelNew = new PostModel();
$itemModelNew->post_type = $item_type;
$itemModelNew->post_title = $item_title;
$itemModelNew->post_status = 'publish';
$itemModelNew->post_author = get_current_user_id();
$itemModelNew->save();
$item_id = $itemModelNew->get_id();
/*$post_args = [
'post_author' => get_current_user_id(),
'post_title' => $item_title,
'post_type' => $item_type,
'post_status' => 'publish',
];
$item_id = wp_insert_post( $post_args );
if ( is_wp_error( $item_id ) ) {
throw new Exception( $item_id->get_error_message() );
}*/
// Get max item order
$max_order = LP_Section_Items_DB::getInstance()->get_last_number_order( $section_id );
// Add item to section
$courseSectionItemModel = new CourseSectionItemModel();
$courseSectionItemModel->item_id = $item_id;
$courseSectionItemModel->item_type = $item_type;
$courseSectionItemModel->section_id = $section_id;
$courseSectionItemModel->item_order = $max_order + 1;
$courseSectionItemModel->section_course_id = $this->section_course_id;
$courseSectionItemModel->save();
return $courseSectionItemModel;
}
/**
* Add items created to section.
*
* @throws Exception
* @since 4.2.8.6
* @version 1.0.0
*/
public function add_items( array $data ) {
$courseModel = $this->get_course_model();
$section_id = $this->get_section_id();
if ( ! $courseModel instanceof CourseModel ) {
throw new Exception( __( 'Course not found', 'learnpress' ) );
}
$items = $data['items'] ?? [];
foreach ( $items as $item ) {
$item_id = intval( $item['item_id'] ?? 0 );
$item_type = $item['item_type'] ?? '';
if ( ! $item_id ) {
continue;
}
// Check if item already exists in course.
$lp_db = LP_Database::getInstance();
$filter = new LP_Section_Items_Filter();
$filter->item_id = $item_id;
$filter->item_type = $item_type;
$filter->join[] = 'LEFT JOIN ' . $lp_db->tb_lp_sections . ' AS cs ON si.section_id = cs.section_id';
$filter->where[] = $lp_db->wpdb->prepare( 'AND cs.section_course_id = %d', $this->section_course_id );
$courseSectionItemModel = CourseSectionItemModel::get_item_model_from_db( $filter );
if ( $courseSectionItemModel instanceof CourseSectionItemModel ) {
throw new Exception( __( 'Item already exists in this course', 'learnpress' ) );
}
// Get max item order
$max_order = LP_Section_Items_DB::getInstance()->get_last_number_order( $section_id );
// Add item to section
$courseSectionItemModel = new CourseSectionItemModel();
$courseSectionItemModel->item_id = $item_id;
$courseSectionItemModel->item_type = $item_type;
$courseSectionItemModel->item_order = ++$max_order;
$courseSectionItemModel->section_id = $section_id;
$courseSectionItemModel->section_course_id = $this->section_course_id;
$courseSectionItemModel->save();
}
}
/**
* Save course data to table learnpress_sections.
*
* @throws Exception
* @since 4.2.8.6
* @version 1.0.0
*/
public function save(): CourseSectionModel {
$lp_section_db = LP_Section_DB::getInstance();
$data = [];
foreach ( get_object_vars( $this ) as $property => $value ) {
$data[ $property ] = $value;
}
if ( $data['section_id'] === 0 ) { // Insert data.
$section_id = $lp_section_db->insert_data( $data );
$this->section_id = $section_id;
} else { // Update data.
$lp_section_db->update_data( $data );
}
// Clear cache
$this->clean_caches();
return $this;
}
/**
* Delete row
*
* @throws Exception
* @since 4.2.8.6
* @version 1.0.1
*/
public function delete() {
// Unassign items of section
$lp_section_items_db = LP_Section_Items_DB::getInstance();
$filter = new LP_Section_Items_Filter();
$filter->where[] = $lp_section_items_db->wpdb->prepare( 'AND section_id = %d', $this->section_id );
$filter->collection = $lp_section_items_db->tb_lp_section_items;
$lp_section_items_db->delete_execute( $filter );
// Delete section
$lp_section_db = LP_Section_DB::getInstance();
$filter = new LP_Section_Filter();
$filter->where[] = $lp_section_db->wpdb->prepare( 'AND section_id = %d', $this->section_id );
$filter->collection = $lp_section_db->tb_lp_sections;
$lp_section_db->delete_execute( $filter );
// Clear cache
$this->clean_caches();
}
/**
* Clean caches
*
* @return void
* @throws Exception
* @since 4.2.8.6
* @version 1.0.0
*/
public function clean_caches() {
// Call background multiple times will not cause any problem.
/*$bg = LP_Background_Single_Course::instance();
$bg->data(
array(
'handle_name' => 'save_post',
'course_id' => $this->section_course_id,
'data' => [],
)
)->dispatch();*/
$courseModel = CourseModel::find( $this->section_course_id, true );
$courseModel->sections_items = null;
$courseModel->save();
$key_cache = "courseSection/find/{$this->get_section_id()}/{$this->section_course_id}";
$key_cache_course = "courseSection/find/course/{$this->section_course_id}";
$lp_course_cache = new LP_Cache();
$lp_course_cache->clear( $key_cache );
$lp_course_cache->clear( $key_cache_course );
}
}