127 lines
3.9 KiB
Plaintext
127 lines
3.9 KiB
Plaintext
<?php
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/**
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* Работа с вариантами товаров
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*
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* @copyright 2011 Denis Pikusov
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* @link http://simplacms.ru
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* @author Denis Pikusov
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*
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*/
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require_once('Simpla.php');
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class Variants extends Simpla
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{
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public function prices_range($filter = array())
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{
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$product_id_filter = '';
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$instock_filter = '';
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if(!empty($filter['product_id']))
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$product_id_filter = $this->db->placehold('AND v.product_id in(?@)', (array)$filter['product_id']);
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if(!empty($filter['in_stock']) && $filter['in_stock'])
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$instock_filter = $this->db->placehold('AND (v.stock>0 OR v.stock IS NULL)');
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if(!$product_id_filter)
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return array();
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$query = $this->db->placehold("SELECT min(price) as min, max(price) as max
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FROM __variants AS v
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WHERE
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1
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$product_id_filter
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$instock_filter
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");
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$this->db->query($query);
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return $this->db->result();
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}
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/**
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* Функция возвращает варианты товара
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* @param $filter
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* @retval array
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*/
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public function get_variants($filter = array())
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{
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$product_id_filter = '';
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$variant_id_filter = '';
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$instock_filter = '';
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if(!empty($filter['product_id']))
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$product_id_filter = $this->db->placehold('AND v.product_id in(?@)', (array)$filter['product_id']);
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if(!empty($filter['id']))
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$variant_id_filter = $this->db->placehold('AND v.id in(?@)', (array)$filter['id']);
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if(!empty($filter['in_stock']) && $filter['in_stock'])
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$variant_id_filter = $this->db->placehold('AND (v.stock>0 OR v.stock IS NULL)');
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if(!$product_id_filter && !$variant_id_filter)
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return array();
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$query = $this->db->placehold("SELECT v.id, v.product_id, v.weight , v.price, NULLIF(v.compare_price, 0) as compare_price, v.sku, IFNULL(v.stock, ?) as stock, (v.stock IS NULL) as infinity, v.name, v.attachment, v.position
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FROM __variants AS v
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WHERE
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1
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$product_id_filter
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$variant_id_filter
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ORDER BY v.position
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", $this->settings->max_order_amount);
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$this->db->query($query);
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return $this->db->results();
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}
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public function get_variant($id)
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{
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if(empty($id))
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return false;
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$query = $this->db->placehold("SELECT v.id, v.product_id, v.weight , v.price, NULLIF(v.compare_price, 0) as compare_price, v.sku, IFNULL(v.stock, ?) as stock, (v.stock IS NULL) as infinity, v.name, v.attachment
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FROM __variants v WHERE id=?
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LIMIT 1", $this->settings->max_order_amount, $id);
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$this->db->query($query);
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$variant = $this->db->result();
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return $variant;
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}
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public function update_variant($id, $variant)
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{
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$query = $this->db->placehold("UPDATE __variants SET ?% WHERE id=? LIMIT 1", $variant, intval($id));
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$this->db->query($query);
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return $id;
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}
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public function add_variant($variant)
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{
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$query = $this->db->placehold("INSERT INTO __variants SET ?%", $variant);
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$this->db->query($query);
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return $this->db->insert_id();
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}
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public function delete_variant($id)
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{
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if(!empty($id))
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{
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$this->delete_attachment($id);
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$query = $this->db->placehold("DELETE FROM __variants WHERE id = ? LIMIT 1", intval($id));
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$this->db->query($query);
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$this->db->query('UPDATE __purchases SET variant_id=NULL WHERE variant_id=?', intval($id));
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}
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}
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public function delete_attachment($id)
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{
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$query = $this->db->placehold("SELECT attachment FROM __variants WHERE id=?", $id);
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$this->db->query($query);
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$filename = $this->db->result('attachment');
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$query = $this->db->placehold("SELECT 1 FROM __variants WHERE attachment=? AND id!=?", $filename, $id);
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$this->db->query($query);
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$exists = $this->db->num_rows();
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if(!empty($filename) && $exists == 0)
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@unlink($this->config->root_dir.'/'.$this->config->downloads_dir.$filename);
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$this->update_variant($id, array('attachment'=>null));
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}
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} |