342 lines
12 KiB
PHP
342 lines
12 KiB
PHP
<?php
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namespace Hura8\System\Model;
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use Hura8\Database\iConnectDB;
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use Hura8\System\Security\DataClean;
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use Hura8\System\Security\DataType;
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class RelationModel
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{
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/* @var $db iConnectDB */
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protected $db;
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protected $tb_relation = "tb_relation";
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protected $main_item_type= '';
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protected $main_item_id= 0;
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public function __construct($main_item_type, $main_item_id = 0) {
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$this->db = get_db('', ENABLE_DB_DEBUG);
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$this->main_item_type = $main_item_type;
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$this->main_item_id = $main_item_id;
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}
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//given related_type and type_id, get all the main item ids
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public function getMainItems($related_item_type, $related_item_id = 0, array $condition = [], $return_type = 'list') {
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$where_clause = " AND `main_item_type` = '" . $this->db->escape($this->main_item_type) . "'
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AND `main_item_id` = '".intval($this->main_item_id)."' ";
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$where_clause .= " AND `related_item_type` = '" . $this->db->escape($related_item_type) . "' ";
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if($related_item_id) $where_clause .= " AND `related_item_id` = '".intval($related_item_id)."' ";
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//excluded_ids
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if(isset($condition["excluded_ids"]) && $condition["excluded_ids"] ){
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$list_ids = DataClean::makeListOfInputSafe(explode(",", $condition["excluded_ids"]), DataType::INTEGER);
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if(sizeof($list_ids)) $where_clause .= " AND `related_item_id` NOT IN (".join(',', $list_ids ).") ";
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}
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//included_ids
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if(isset($condition["included_ids"]) && $condition["included_ids"] ){
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$list_ids = DataClean::makeListOfInputSafe(explode(",", $condition["included_ids"]), DataType::INTEGER);
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if(sizeof($list_ids)) $where_clause .= " AND `related_item_id` IN (".join(',', $list_ids ).") ";
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}
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if($return_type == 'total') {
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$query = $this->db->query("
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SELECT COUNT(*) as total FROM `".$this->tb_relation."`
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WHERE 1 " . $where_clause . " ");
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$total = 0;
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if ($rs = $this->db->fetchAssoc($query)) {
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$total = $rs['total'];
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}
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return $total;
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} else {
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$page = isset($condition['page']) ? intval($condition['page']) : 1;
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$numPerPage = isset($condition['numPerPage']) ? intval($condition['numPerPage']) : 10;
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$query = $this->db->query("
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SELECT `related_item_id` FROM `". $this->tb_relation ."`
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WHERE 1 " . $where_clause . "
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ORDER BY `ordering` DESC, `id` DESC
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LIMIT " . ($page - 1) * $numPerPage . ", ". $numPerPage ."
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");
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$result = array();
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foreach ( $this->db->fetchAll($query) as $info ) {
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$result[] = $info['related_item_id'];
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}
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return $result;
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}
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}
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public function updateOrdering($related_item_id, $new_order) {
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$this->db->runQuery(
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"UPDATE `".$this->tb_relation."` SET
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`ordering` = ?
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WHERE `main_item_type` = ? AND `main_item_id` = ? AND `related_item_id` = ? ",
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['d', 's', 'd', 'd'],
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[ $new_order, $this->main_item_type, $this->main_item_id, $related_item_id ]
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);
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return [
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'status' => 'success',
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'message' => ''
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];
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}
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//@warn: this does not check if records exist.
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public function create(array $related_items, $both_way_relation = true) {
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$build_insert = array();
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foreach ($related_items as $item) {
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if(!$this->checkExist($this->main_item_type, $this->main_item_id, $item['type'], $item['id'])) {
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$build_insert[] = [
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"main_item_type" => $this->main_item_type,
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"main_item_id" => intval($this->main_item_id),
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"related_item_type" => $item['type'],
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"related_item_id" => intval($item['id']),
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"create_time" => CURRENT_TIME,
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"create_by" => ADMIN_NAME,
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];
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}
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//if 2-way relation, create item->main
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if($both_way_relation) {
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if(!$this->checkExist($item['type'], $item['id'], $this->main_item_type, $this->main_item_id)) {
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$build_insert[] = [
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"main_item_type" => $item['type'],
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"main_item_id" => intval($item['id']),
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"related_item_type" => $this->main_item_type,
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"related_item_id" => intval($this->main_item_id),
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"create_time" => CURRENT_TIME,
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"create_by" => ADMIN_NAME,
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];
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}
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}
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}
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if(sizeof($build_insert)) {
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$this->db->bulk_insert($this->tb_relation, $build_insert);
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return [
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'status' => 'success',
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'message' => ''
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];
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}
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return [
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'status' => 'error',
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'message' => 'Đã tồn tại'
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];
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}
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public function checkExist($main_item_type, $main_item_id, $related_item_type, $related_item_id) {
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// itself
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if($main_item_type == $related_item_type && $main_item_id == $related_item_id) {
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return true;
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}
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$query = $this->db->runQuery(
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"SELECT id FROM `".$this->tb_relation."`
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WHERE `main_item_type` = ? AND `main_item_id` = ? AND `related_item_type` = ? AND `related_item_id` = ?
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LIMIT 1" ,
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[
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's', 'd', 's', 'd'
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],
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[
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$main_item_type,
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intval($main_item_id),
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$related_item_type,
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intval($related_item_id)
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]
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);
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if($rs = $this->db->fetchAssoc($query)) {
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return $rs['id'];
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}
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return false;
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}
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//remove a related-item
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public function remove($related_item_type, $related_item_id, $remove_both_way = true) {
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$main_item_query = ( $this->main_item_id ) ? " `main_item_id` = '".intval($this->main_item_id)."' AND " : "";
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$this->db->query("DELETE FROM `".$this->tb_relation."` WHERE
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`main_item_type` = '" . $this->db->escape($this->main_item_type) . "' AND
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". $main_item_query ."
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`related_item_type` = '".$this->db->escape($related_item_type)."' AND
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`related_item_id` = '".intval($related_item_id)."' ");
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if($remove_both_way) {
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$related_item_query = ( $this->main_item_id ) ? " `related_item_id` = '".intval($this->main_item_id)."' AND " : "";
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$this->db->query("DELETE FROM `".$this->tb_relation."` WHERE
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`related_item_type` = '" . $this->db->escape($this->main_item_type) . "' AND
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" . $related_item_query . "
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`main_item_type` = '".$this->db->escape($related_item_type)."' AND
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`main_item_id` = '".intval($related_item_id)."' ");
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}
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return [
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'status' => 'success',
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'message' => ''
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];
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}
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//remove all relate items
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public function truncate() {
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$this->db->runQuery(
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"DELETE FROM `".$this->tb_relation."` WHERE `main_item_type` = ? AND `main_item_id` = ? ",
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[ 's', 's' ],
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[ $this->main_item_type, $this->main_item_id ]
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);
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}
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//count related items
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public function getRelatedItemCount() {
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$query = $this->db->runQuery(
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"
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SELECT `related_item_type`, COUNT(`related_item_id`) AS total FROM `". $this->tb_relation ."`
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WHERE `main_item_type` = ? AND `main_item_id` = ?
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GROUP BY `related_item_type`
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",
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[ 's', 's' ], [ $this->main_item_type, $this->main_item_id ]
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);
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$result = array();
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foreach ( $this->db->fetchAll($query) as $info ) {
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$result[$info['related_item_type']] = $info['total'];
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}
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return $result;
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}
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//extend getRelatedItems to get for list of main_item_ids
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public function getRelatedItemsForList(array $main_item_list_ids, array $related_item_types = []) {
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if(!sizeof($main_item_list_ids)) return [];
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$bind_values = $main_item_list_ids;
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list($parameterized_ids, $bind_types) = create_bind_sql_parameter_from_value_list($main_item_list_ids, 'int');
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$condition = " AND `main_item_id` IN (". $parameterized_ids .") ";
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$bind_types[] = 's';
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$bind_values[] = $this->main_item_type;
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$condition .= " AND `main_item_type` = ? ";
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if(sizeof($related_item_types)) {
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$type_condition = [];
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foreach ($related_item_types as $_type) {
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$type_condition[] = " `related_item_type` = ? ";
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$bind_types[] = 's';
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$bind_values[] = $_type;
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}
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$condition .= " AND ( ".join(' OR ', $type_condition )." ) ";
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}
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$query = $this->db->runQuery("
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SELECT
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`main_item_id` ,
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`related_item_type`,
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`related_item_id`,
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`ordering`
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FROM `". $this->tb_relation ."`
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WHERE 1 ". $condition ."
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ORDER BY `ordering` DESC, `id` DESC
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LIMIT 5000
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", $bind_types, $bind_values);
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$result = array();
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foreach ( $this->db->fetchAll($query) as $info ) {
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$result[$info['main_item_id']][$info['related_item_type']][$info['related_item_id']] = [
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"item_id" => $info['related_item_id'],
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"ordering" => $info['ordering'],
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];
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}
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//final result
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$final_result = [];
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foreach ($main_item_list_ids as $_id) {
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$final_result[$_id] = (isset($result[$_id])) ? $result[$_id] : false;
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}
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return $final_result;
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}
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//get all related items and group them by type
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public function getRelatedItems(array $related_item_types = []) {
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$bind_types = ['s', 's'];
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$bind_values = [$this->main_item_type, $this->main_item_id];
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$condition = "";
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if(sizeof($related_item_types)) {
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$type_condition = [];
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foreach ($related_item_types as $_type) {
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$type_condition[] = " `related_item_type` = ? ";
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$bind_types[] = 's';
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$bind_values[] = $_type;
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}
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$condition .= " AND ( ".join(' OR ', $type_condition )." ) ";
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}
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$query = $this->db->runQuery("
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SELECT
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`related_item_type`,
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`related_item_id`,
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`ordering`
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FROM `". $this->tb_relation ."`
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WHERE `main_item_type` = ? AND `main_item_id` = ? ". $condition ."
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ORDER BY `ordering` DESC, `id` DESC
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LIMIT 5000
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", $bind_types, $bind_values );
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$result = array();
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foreach ( $this->db->fetchAll($query) as $info ) {
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$result[$info['related_item_type']][$info['related_item_id']] = [
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"item_id" => $info['related_item_id'],
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"ordering" => $info['ordering'],
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];
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}
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//check if we get only single type, then return all the results
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if(sizeof($related_item_types) == 1) {
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$related_item_type = $related_item_types[0];
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return isset($result[$related_item_type]) ? $result[$related_item_type] : array();
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}
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return $result;
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}
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}
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