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✏️ Editing: product1.php

<?php
class ModelCatalogProduct extends Model {
	public function addProduct($data) {
		$this->event->trigger('pre.admin.product.add', $data);

$this->db->query("INSERT INTO " . DB_PREFIX . "product SET model = '" . $this->db->escape($data['model']) . "', sku = '" . $this->db->escape($data['sku']) . "', upc = '" . $this->db->escape($data['upc']) . "', ean = '" . $this->db->escape($data['ean']) . "', jan = '" . $this->db->escape($data['jan']) . "', isbn = '" . $this->db->escape($data['isbn']) . "', mpn = '" . $this->db->escape($data['mpn']) . "', location = '" . $this->db->escape($data['location']) . "', quantity = '" . (int)$data['quantity'] . "', minimum = '" . (int)$data['minimum'] . "',multiply_qty = '" . (int)$data['multiply_qty'] . "', subtract = '" . (int)$data['subtract'] . "', stock_status_id = '" . (int)$data['stock_status_id'] . "', date_available = '" . $this->db->escape($data['date_available']) . "', manufacturer_id = '" . (int)$data['manufacturer_id'] . "', shipping = '" . (int)$data['shipping'] . "', price = '" . (float)$data['price'] . "', points = '" . (int)$data['points'] . "', weight = '" . (float)$data['weight'] . "', weight_class_id = '" . (int)$data['weight_class_id'] . "', length = '" . (float)$data['length'] . "', width = '" . (float)$data['width'] . "', height = '" . (float)$data['height'] . "', length_class_id = '" . (int)$data['length_class_id'] . "', status = '" . (int)$data['status'] . "', tax_class_id = '" . (int)$data['tax_class_id'] . "',user_reward_point = '" . (float)$data['user_reward_point'] . "',customer_reward_point = '" . (float)$data['customer_reward_point'] . "',user_reward_point_2 = '" . (float)$data['user_reward_point_2'] . "',customer_reward_point_2 = '" . (float)$data['customer_reward_point_2'] . "',user_reward_point_3 = '" . (float)$data['user_reward_point_3'] . "',customer_reward_point_3 = '" . (float)$data['customer_reward_point_3'] . "', sort_order = '" . (int)$data['sort_order'] . "',cancel_days = '" . (int)$data['cancel_days'] . "', date_added = NOW()");

$product_id = $this->db->getLastId();

if (isset($data['image'])) {
			$this->db->query("UPDATE " . DB_PREFIX . "product SET image = '" . $this->db->escape($data['image']) . "' WHERE product_id = '" . (int)$product_id . "'");
		}

foreach ($data['product_description'] as $language_id => $value) {
			$this->db->query("INSERT INTO " . DB_PREFIX . "product_description SET product_id = '" . (int)$product_id . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($value['name']) . "', description = '" . $this->db->escape($value['description']) . "', tag = '" . $this->db->escape($value['tag']) . "', meta_title = '" . $this->db->escape($value['meta_title']) . "', meta_description = '" . $this->db->escape($value['meta_description']) . "', meta_keyword = '" . $this->db->escape($value['meta_keyword']) . "'");
		}

if (isset($data['product_store'])) {
			foreach ($data['product_store'] as $store_id) {
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_to_store SET product_id = '" . (int)$product_id . "', store_id = '" . (int)$store_id . "'");
			}
		}

if (isset($data['product_attribute'])) {
			foreach ($data['product_attribute'] as $product_attribute) {
				if ($product_attribute['attribute_id']) {
					foreach ($product_attribute['product_attribute_description'] as $language_id => $product_attribute_description) {
						$this->db->query("INSERT INTO " . DB_PREFIX . "product_attribute SET product_id = '" . (int)$product_id . "', attribute_id = '" . (int)$product_attribute['attribute_id'] . "', language_id = '" . (int)$language_id . "', text = '" .  $this->db->escape($product_attribute_description['text']) . "'");
					}
				}
			}
		}

if (isset($data['product_option'])) {
			foreach ($data['product_option'] as $product_option) {
				if ($product_option['type'] == 'select' || $product_option['type'] == 'radio' || $product_option['type'] == 'checkbox' || $product_option['type'] == 'image') {
					if (isset($product_option['product_option_value'])) {
						$this->db->query("INSERT INTO " . DB_PREFIX . "product_option SET product_id = '" . (int)$product_id . "', option_id = '" . (int)$product_option['option_id'] . "', required = '" . (int)$product_option['required'] . "'");

$product_option_id = $this->db->getLastId();

foreach ($product_option['product_option_value'] as $product_option_value) {
							$this->db->query("INSERT INTO " . DB_PREFIX . "product_option_value SET product_option_id = '" . (int)$product_option_id . "', product_id = '" . (int)$product_id . "', option_id = '" . (int)$product_option['option_id'] . "', option_value_id = '" . (int)$product_option_value['option_value_id'] . "', quantity = '" . (int)$product_option_value['quantity'] . "', subtract = '" . (int)$product_option_value['subtract'] . "', price = '" . (float)$product_option_value['price'] . "', price_prefix = '" . $this->db->escape($product_option_value['price_prefix']) . "',mrp_price = '" . (float)$product_option_value['mrp_price'] . "', mrp_price_prefix = '" . $this->db->escape($product_option_value['mrp_price_prefix']) . "', points = '" . (int)$product_option_value['points'] . "', points_prefix = '" . $this->db->escape($product_option_value['points_prefix']) . "', weight = '" . (float)$product_option_value['weight'] . "', weight_prefix = '" . $this->db->escape($product_option_value['weight_prefix']) . "'");
						}
					}
				} else {
					$this->db->query("INSERT INTO " . DB_PREFIX . "product_option SET product_id = '" . (int)$product_id . "', option_id = '" . (int)$product_option['option_id'] . "', value = '" . $this->db->escape($product_option['value']) . "', required = '" . (int)$product_option['required'] . "'");
				}
			}
		}

if (isset($data['product_discount'])) {
			foreach ($data['product_discount'] as $product_discount) {
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_discount SET product_id = '" . (int)$product_id . "', customer_group_id = '" . (int)$product_discount['customer_group_id'] . "', quantity = '" . (int)$product_discount['quantity'] . "', priority = '" . (int)$product_discount['priority'] . "', price = '" . (float)$product_discount['price'] . "', date_start = '" . $this->db->escape($product_discount['date_start']) . "', date_end = '" . $this->db->escape($product_discount['date_end']) . "'");
			}
		}

if (isset($data['product_special'])) {
			foreach ($data['product_special'] as $product_special) {
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_special SET product_id = '" . (int)$product_id . "', customer_group_id = '" . (int)$product_special['customer_group_id'] . "', priority = '" . (int)$product_special['priority'] . "', price = '" . (float)$product_special['price'] . "', date_start = '" . $this->db->escape($product_special['date_start']) . "', date_end = '" . $this->db->escape($product_special['date_end']) . "'");
			}
		}

if (isset($data['product_image'])) {
			foreach ($data['product_image'] as $product_image) {
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_image SET product_id = '" . (int)$product_id . "', image = '" . $this->db->escape($product_image['image']) . "', sort_order = '" . (int)$product_image['sort_order'] . "'");
			}
		}

if (isset($data['product_download'])) {
			foreach ($data['product_download'] as $download_id) {
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_to_download SET product_id = '" . (int)$product_id . "', download_id = '" . (int)$download_id . "'");
			}
		}

if (isset($data['product_category'])) {
			foreach ($data['product_category'] as $category_id) {
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_to_category SET product_id = '" . (int)$product_id . "', category_id = '" . (int)$category_id . "'");
			}
		}

if (isset($data['product_filter'])) {
			foreach ($data['product_filter'] as $filter_id) {
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_filter SET product_id = '" . (int)$product_id . "', filter_id = '" . (int)$filter_id . "'");
				
				// Assign filters to category automatically
				if (isset($data['product_category'])) {
					foreach ($data['product_category'] as $category_id) {
						$query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "category_filter WHERE category_id = '" . (int)$category_id . "' AND filter_id = '".(int)$filter_id."'");
						if(!$query->row['total']){
							$this->db->query("INSERT INTO " . DB_PREFIX . "category_filter SET category_id = '" . (int)$category_id . "', filter_id = '" . (int)$filter_id . "'");
						}	
					}
				}
				// Ends Here
				
			}
		}

if (isset($data['product_related'])) {
			foreach ($data['product_related'] as $related_id) {
				$this->db->query("DELETE FROM " . DB_PREFIX . "product_related WHERE product_id = '" . (int)$product_id . "' AND related_id = '" . (int)$related_id . "'");
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_related SET product_id = '" . (int)$product_id . "', related_id = '" . (int)$related_id . "'");
				$this->db->query("DELETE FROM " . DB_PREFIX . "product_related WHERE product_id = '" . (int)$related_id . "' AND related_id = '" . (int)$product_id . "'");
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_related SET product_id = '" . (int)$related_id . "', related_id = '" . (int)$product_id . "'");
			}
		}

if (isset($data['product_reward'])) {
			foreach ($data['product_reward'] as $customer_group_id => $product_reward) {
				if ((int)$product_reward['points'] > 0) {
					$this->db->query("INSERT INTO " . DB_PREFIX . "product_reward SET product_id = '" . (int)$product_id . "', customer_group_id = '" . (int)$customer_group_id . "', points = '" . (int)$product_reward['points'] . "'");
				}
			}
		}

if (isset($data['product_layout'])) {
			foreach ($data['product_layout'] as $store_id => $layout_id) {
				$this->db->query("INSERT INTO " . DB_PREFIX . "product_to_layout SET product_id = '" . (int)$product_id . "', store_id = '" . (int)$store_id . "', layout_id = '" . (int)$layout_id . "'");
			}
		}

if (isset($data['keyword'])) {
			$this->db->query("INSERT INTO " . DB_PREFIX . "url_alias SET query = 'product_id=" . (int)$product_id . "', keyword = '" . $this->db->escape($data['keyword']) . "'");
		}

if (isset($data['product_recurrings'])) {
			foreach ($data['product_recurrings'] as $recurring) {
				$this->db->query("INSERT INTO `" . DB_PREFIX . "product_recurring` SET `product_id` = " . (int)$product_id . ", customer_group_id = " . (int)$recurring['customer_group_id'] . ", `recurring_id` = " . (int)$recurring['recurring_id']);
			}
		}

$this->cache->delete('product');

$this->event->trigger('post.admin.product.add', $product_id);

return $product_id;
	}

public function editProduct($product_id, $data) {
		$this->event->trigger('pre.admin.product.edit', $data);

$this->db->query("UPDATE " . DB_PREFIX . "product SET model = '" . $this->db->escape($data['model']) . "', sku = '" . $this->db->escape($data['sku']) . "', upc = '" . $this->db->escape($data['upc']) . "', ean = '" . $this->db->escape($data['ean']) . "', jan = '" . $this->db->escape($data['jan']) . "', isbn = '" . $this->db->escape($data['isbn']) . "', mpn = '" . $this->db->escape($data['mpn']) . "', location = '" . $this->db->escape($data['location']) . "', quantity = '" . (int)$data['quantity'] . "', minimum = '" . (int)$data['minimum'] . "',multiply_qty = '" . (int)$data['multiply_qty'] . "', subtract = '" . (int)$data['subtract'] . "', stock_status_id = '" . (int)$data['stock_status_id'] . "', date_available = '" . $this->db->escape($data['date_available']) . "', manufacturer_id = '" . (int)$data['manufacturer_id'] . "', shipping = '" . (int)$data['shipping'] . "', price = '" . (float)$data['price'] . "', points = '" . (int)$data['points'] . "', weight = '" . (float)$data['weight'] . "', weight_class_id = '" . (int)$data['weight_class_id'] . "', length = '" . (float)$data['length'] . "', width = '" . (float)$data['width'] . "', height = '" . (float)$data['height'] . "', length_class_id = '" . (int)$data['length_class_id'] . "', status = '" . (int)$data['status'] . "', tax_class_id = '" . (int)$data['tax_class_id'] . "', sort_order = '" . (int)$data['sort_order'] . "',cancel_days = '" . (int)$data['cancel_days'] . "',user_reward_point = '" . (float)$data['user_reward_point'] . "',customer_reward_point = '" . (float)$data['customer_reward_point'] . "',user_reward_point_2 = '" . (float)$data['user_reward_point_2'] . "',customer_reward_point_2 = '" . (float)$data['customer_reward_point_2'] . "',user_reward_point_3 = '" . (float)$data['user_reward_point_3'] . "',customer_reward_point_3 = '" . (float)$data['customer_reward_point_3'] . "', date_modified = NOW() WHERE product_id = '" . (int)$product_id . "'");

if (isset($data['image'])) {
			$this->db->query("UPDATE " . DB_PREFIX . "product SET image = '" . $this->db->escape($data['image']) . "' WHERE product_id = '" . (int)$product_id . "'");
		}

$this->db->query("DELETE FROM " . DB_PREFIX . "product_description WHERE product_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "product_to_store WHERE product_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "product_attribute WHERE product_id = '" . (int)$product_id . "'");

if (!empty($data['product_attribute'])) {
			foreach ($data['product_attribute'] as $product_attribute) {
				if ($product_attribute['attribute_id']) {
					foreach ($product_attribute['product_attribute_description'] as $language_id => $product_attribute_description) {
						$this->db->query("INSERT INTO " . DB_PREFIX . "product_attribute SET product_id = '" . (int)$product_id . "', attribute_id = '" . (int)$product_attribute['attribute_id'] . "', language_id = '" . (int)$language_id . "', text = '" .  $this->db->escape($product_attribute_description['text']) . "'");
					}
				}
			}
		}

$this->db->query("DELETE FROM " . DB_PREFIX . "product_option WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_option_value WHERE product_id = '" . (int)$product_id . "'");

if (isset($data['product_option'])) {
			foreach ($data['product_option'] as $product_option) {
				if ($product_option['type'] == 'select' || $product_option['type'] == 'radio' || $product_option['type'] == 'checkbox' || $product_option['type'] == 'image') {
					if (isset($product_option['product_option_value'])) {
						$this->db->query("INSERT INTO " . DB_PREFIX . "product_option SET product_option_id = '" . (int)$product_option['product_option_id'] . "', product_id = '" . (int)$product_id . "', option_id = '" . (int)$product_option['option_id'] . "', required = '" . (int)$product_option['required'] . "'");

$product_option_id = $this->db->getLastId();

foreach ($product_option['product_option_value'] as $product_option_value) {
							$this->db->query("INSERT INTO " . DB_PREFIX . "product_option_value SET product_option_value_id = '" . (int)$product_option_value['product_option_value_id'] . "', product_option_id = '" . (int)$product_option_id . "', product_id = '" . (int)$product_id . "', option_id = '" . (int)$product_option['option_id'] . "', option_value_id = '" . (int)$product_option_value['option_value_id'] . "', quantity = '" . (int)$product_option_value['quantity'] . "', subtract = '" . (int)$product_option_value['subtract'] . "', price = '" . (float)$product_option_value['price'] . "', price_prefix = '" . $this->db->escape($product_option_value['price_prefix']) . "', points = '" . (int)$product_option_value['points'] . "', points_prefix = '" . $this->db->escape($product_option_value['points_prefix']) . "', weight = '" . (float)$product_option_value['weight'] . "', weight_prefix = '" . $this->db->escape($product_option_value['weight_prefix']) . "',mrp_price = '" . (float)$product_option_value['mrp_price'] . "', mrp_price_prefix = '" . $this->db->escape($product_option_value['mrp_price_prefix']) . "'");
						}
					}
				} else {
					$this->db->query("INSERT INTO " . DB_PREFIX . "product_option SET product_option_id = '" . (int)$product_option['product_option_id'] . "', product_id = '" . (int)$product_id . "', option_id = '" . (int)$product_option['option_id'] . "', value = '" . $this->db->escape($product_option['value']) . "', required = '" . (int)$product_option['required'] . "'");
				}
			}
		}

$this->db->query("DELETE FROM " . DB_PREFIX . "product_discount WHERE product_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "product_special WHERE product_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "product_image WHERE product_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "product_to_download WHERE product_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "product_to_category WHERE product_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "product_filter WHERE product_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "product_related WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_related WHERE related_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "product_reward WHERE product_id = '" . (int)$product_id . "'");

if (isset($data['product_reward'])) {
			foreach ($data['product_reward'] as $customer_group_id => $value) {
				if ((int)$value['points'] > 0) {
					$this->db->query("INSERT INTO " . DB_PREFIX . "product_reward SET product_id = '" . (int)$product_id . "', customer_group_id = '" . (int)$customer_group_id . "', points = '" . (int)$value['points'] . "'");
				}
			}
		}

$this->db->query("DELETE FROM " . DB_PREFIX . "product_to_layout WHERE product_id = '" . (int)$product_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "url_alias WHERE query = 'product_id=" . (int)$product_id . "'");

if ($data['keyword']) {
			$this->db->query("INSERT INTO " . DB_PREFIX . "url_alias SET query = 'product_id=" . (int)$product_id . "', keyword = '" . $this->db->escape($data['keyword']) . "'");
		}

$this->db->query("DELETE FROM `" . DB_PREFIX . "product_recurring` WHERE product_id = " . (int)$product_id);

if (isset($data['product_recurring'])) {
			foreach ($data['product_recurring'] as $product_recurring) {
				$this->db->query("INSERT INTO `" . DB_PREFIX . "product_recurring` SET `product_id` = " . (int)$product_id . ", customer_group_id = " . (int)$product_recurring['customer_group_id'] . ", `recurring_id` = " . (int)$product_recurring['recurring_id']);
			}
		}

$this->cache->delete('product');

$this->event->trigger('post.admin.product.edit', $product_id);
	}

public function copyProduct($product_id) {
		$query = $this->db->query("SELECT DISTINCT * FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) WHERE p.product_id = '" . (int)$product_id . "' AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "'");

if ($query->num_rows) {
			$data = $query->row;

$data['sku'] = '';
			$data['upc'] = '';
			$data['viewed'] = '0';
			$data['keyword'] = '';
			$data['status'] = '0';

$data['product_attribute'] = $this->getProductAttributes($product_id);
			$data['product_description'] = $this->getProductDescriptions($product_id);
			$data['product_discount'] = $this->getProductDiscounts($product_id);
			$data['product_filter'] = $this->getProductFilters($product_id);
			$data['product_image'] = $this->getProductImages($product_id);
			$data['product_option'] = $this->getProductOptions($product_id);
			$data['product_related'] = $this->getProductRelated($product_id);
			$data['product_reward'] = $this->getProductRewards($product_id);
			$data['product_special'] = $this->getProductSpecials($product_id);
			$data['product_category'] = $this->getProductCategories($product_id);
			$data['product_download'] = $this->getProductDownloads($product_id);
			$data['product_layout'] = $this->getProductLayouts($product_id);
			$data['product_store'] = $this->getProductStores($product_id);
			$data['product_recurrings'] = $this->getRecurrings($product_id);

$this->addProduct($data);
		}
	}

public function deleteProduct($product_id) {
		$this->event->trigger('pre.admin.product.delete', $product_id);

$this->db->query("DELETE FROM " . DB_PREFIX . "product WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_attribute WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_description WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_discount WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_filter WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_image WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_option WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_option_value WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_related WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_related WHERE related_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_reward WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_special WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_to_category WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_to_download WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_to_layout WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_to_store WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "product_recurring WHERE product_id = " . (int)$product_id);
		$this->db->query("DELETE FROM " . DB_PREFIX . "review WHERE product_id = '" . (int)$product_id . "'");
		$this->db->query("DELETE FROM " . DB_PREFIX . "url_alias WHERE query = 'product_id=" . (int)$product_id . "'");

$this->cache->delete('product');

$this->event->trigger('post.admin.product.delete', $product_id);
	}

public function getProduct($product_id) {
		$query = $this->db->query("SELECT DISTINCT *, (SELECT keyword FROM " . DB_PREFIX . "url_alias WHERE query = 'product_id=" . (int)$product_id . "') AS keyword FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) WHERE p.product_id = '" . (int)$product_id . "' AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "'");

return $query->row;
	}

public function getProducts($data = array()) {
		$sql = "SELECT * FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) WHERE pd.language_id = '" . (int)$this->config->get('config_language_id') . "'";

if (!empty($data['filter_name'])) {
			$sql .= " AND pd.name LIKE '" . $this->db->escape($data['filter_name']) . "%'";
		}

if (!empty($data['filter_model'])) {
			$sql .= " AND p.model LIKE '" . $this->db->escape($data['filter_model']) . "%'";
		}

if (isset($data['filter_price']) && !is_null($data['filter_price'])) {
			$sql .= " AND p.price LIKE '" . $this->db->escape($data['filter_price']) . "%'";
		}

if (isset($data['filter_quantity']) && !is_null($data['filter_quantity'])) {
			$sql .= " AND p.quantity = '" . (int)$data['filter_quantity'] . "'";
		}

if (isset($data['filter_status']) && !is_null($data['filter_status'])) {
			$sql .= " AND p.status = '" . (int)$data['filter_status'] . "'";
		}

$sql .= " GROUP BY p.product_id";

$sort_data = array(
			'pd.name',
			'p.model',
			'p.price',
			'p.quantity',
			'p.status',
			'p.sort_order'
		);

if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
			$sql .= " ORDER BY " . $data['sort'];
		} else {
			$sql .= " ORDER BY pd.name";
		}

if (isset($data['order']) && ($data['order'] == 'DESC')) {
			$sql .= " DESC";
		} else {
			$sql .= " ASC";
		}

if (isset($data['start']) || isset($data['limit'])) {
			if ($data['start'] < 0) {
				$data['start'] = 0;
			}

if ($data['limit'] < 1) {
				$data['limit'] = 20;
			}

$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
		}

$query = $this->db->query($sql);

return $query->rows;
	}

public function getProductsByCategoryId($category_id) {
		$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) LEFT JOIN " . DB_PREFIX . "product_to_category p2c ON (p.product_id = p2c.product_id) WHERE pd.language_id = '" . (int)$this->config->get('config_language_id') . "' AND p2c.category_id = '" . (int)$category_id . "' ORDER BY pd.name ASC");

return $query->rows;
	}

public function getProductDescriptions($product_id) {
		$product_description_data = array();

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_description WHERE product_id = '" . (int)$product_id . "'");

foreach ($query->rows as $result) {
			$product_description_data[$result['language_id']] = array(
				'name'             => $result['name'],
				'description'      => $result['description'],
				'meta_title'       => $result['meta_title'],
				'meta_description' => $result['meta_description'],
				'meta_keyword'     => $result['meta_keyword'],
				'tag'              => $result['tag']
			);
		}

return $product_description_data;
	}

public function getProductCategories($product_id) {
		$product_category_data = array();

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_to_category WHERE product_id = '" . (int)$product_id . "'");

foreach ($query->rows as $result) {
			$product_category_data[] = $result['category_id'];
		}

return $product_category_data;
	}

public function getProductFilters($product_id) {
		$product_filter_data = array();

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_filter WHERE product_id = '" . (int)$product_id . "'");

foreach ($query->rows as $result) {
			$product_filter_data[] = $result['filter_id'];
		}

return $product_filter_data;
	}

public function getProductAttributes($product_id) {
		$product_attribute_data = array();

$product_attribute_query = $this->db->query("SELECT attribute_id FROM " . DB_PREFIX . "product_attribute WHERE product_id = '" . (int)$product_id . "' GROUP BY attribute_id");

foreach ($product_attribute_query->rows as $product_attribute) {
			$product_attribute_description_data = array();

$product_attribute_description_query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_attribute WHERE product_id = '" . (int)$product_id . "' AND attribute_id = '" . (int)$product_attribute['attribute_id'] . "'");

foreach ($product_attribute_description_query->rows as $product_attribute_description) {
				$product_attribute_description_data[$product_attribute_description['language_id']] = array('text' => $product_attribute_description['text']);
			}

$product_attribute_data[] = array(
				'attribute_id'                  => $product_attribute['attribute_id'],
				'product_attribute_description' => $product_attribute_description_data
			);
		}

return $product_attribute_data;
	}

public function getProductOptions($product_id) {
		$product_option_data = array();

$product_option_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_option` po LEFT JOIN `" . DB_PREFIX . "option` o ON (po.option_id = o.option_id) LEFT JOIN `" . DB_PREFIX . "option_description` od ON (o.option_id = od.option_id) WHERE po.product_id = '" . (int)$product_id . "' AND od.language_id = '" . (int)$this->config->get('config_language_id') . "'");

foreach ($product_option_query->rows as $product_option) {
			$product_option_value_data = array();

$product_option_value_query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_option_value WHERE product_option_id = '" . (int)$product_option['product_option_id'] . "'");

foreach ($product_option_value_query->rows as $product_option_value) {
				$product_option_value_data[] = array(
					'product_option_value_id' => $product_option_value['product_option_value_id'],
					'option_value_id'         => $product_option_value['option_value_id'],
					'quantity'                => $product_option_value['quantity'],
					'subtract'                => $product_option_value['subtract'],
					'price'                   => $product_option_value['price'],
					'price_prefix'            => $product_option_value['price_prefix'],
					'points'                  => $product_option_value['points'],
					'points_prefix'           => $product_option_value['points_prefix'],
					'weight'                  => $product_option_value['weight'],
					'weight_prefix'           => $product_option_value['weight_prefix'],
					'mrp_price'                  => $product_option_value['mrp_price'],
					'mrp_price_prefix'           => $product_option_value['mrp_price_prefix']
				);
			}

$product_option_data[] = array(
				'product_option_id'    => $product_option['product_option_id'],
				'product_option_value' => $product_option_value_data,
				'option_id'            => $product_option['option_id'],
				'name'                 => $product_option['name'],
				'type'                 => $product_option['type'],
				'value'                => $product_option['value'],
				'required'             => $product_option['required']
			);
		}

return $product_option_data;
	}

public function getProductOptionValue($product_id, $product_option_value_id) {
		$query = $this->db->query("SELECT pov.option_value_id, ovd.name, pov.quantity, pov.subtract, pov.price, pov.price_prefix, pov.points, pov.points_prefix, pov.weight, pov.weight_prefix FROM " . DB_PREFIX . "product_option_value pov LEFT JOIN " . DB_PREFIX . "option_value ov ON (pov.option_value_id = ov.option_value_id) LEFT JOIN " . DB_PREFIX . "option_value_description ovd ON (ov.option_value_id = ovd.option_value_id) WHERE pov.product_id = '" . (int)$product_id . "' AND pov.product_option_value_id = '" . (int)$product_option_value_id . "' AND ovd.language_id = '" . (int)$this->config->get('config_language_id') . "'");

return $query->row;
	}

public function getProductImages($product_id) {
		$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_image WHERE product_id = '" . (int)$product_id . "' ORDER BY sort_order ASC");

return $query->rows;
	}

public function getProductDiscounts($product_id) {
		$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_discount WHERE product_id = '" . (int)$product_id . "' ORDER BY quantity, priority, price");

return $query->rows;
	}

public function getProductSpecials($product_id) {
		$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_special WHERE product_id = '" . (int)$product_id . "' ORDER BY priority, price");

return $query->rows;
	}

public function getProductRewards($product_id) {
		$product_reward_data = array();

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_reward WHERE product_id = '" . (int)$product_id . "'");

foreach ($query->rows as $result) {
			$product_reward_data[$result['customer_group_id']] = array('points' => $result['points']);
		}

return $product_reward_data;
	}

public function getProductDownloads($product_id) {
		$product_download_data = array();

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_to_download WHERE product_id = '" . (int)$product_id . "'");

foreach ($query->rows as $result) {
			$product_download_data[] = $result['download_id'];
		}

return $product_download_data;
	}

public function getProductStores($product_id) {
		$product_store_data = array();

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_to_store WHERE product_id = '" . (int)$product_id . "'");

foreach ($query->rows as $result) {
			$product_store_data[] = $result['store_id'];
		}

return $product_store_data;
	}

public function getProductLayouts($product_id) {
		$product_layout_data = array();

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_to_layout WHERE product_id = '" . (int)$product_id . "'");

foreach ($query->rows as $result) {
			$product_layout_data[$result['store_id']] = $result['layout_id'];
		}

return $product_layout_data;
	}

public function getProductRelated($product_id) {
		$product_related_data = array();

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_related WHERE product_id = '" . (int)$product_id . "'");

foreach ($query->rows as $result) {
			$product_related_data[] = $result['related_id'];
		}

return $product_related_data;
	}

public function getRecurrings($product_id) {
		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_recurring` WHERE product_id = '" . (int)$product_id . "'");

return $query->rows;
	}

public function getTotalProducts($data = array()) {
		$sql = "SELECT COUNT(DISTINCT p.product_id) AS total FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id)";

$sql .= " WHERE pd.language_id = '" . (int)$this->config->get('config_language_id') . "'";

if (!empty($data['filter_name'])) {
			$sql .= " AND pd.name LIKE '" . $this->db->escape($data['filter_name']) . "%'";
		}

if (!empty($data['filter_model'])) {
			$sql .= " AND p.model LIKE '" . $this->db->escape($data['filter_model']) . "%'";
		}

if (isset($data['filter_price']) && !is_null($data['filter_price'])) {
			$sql .= " AND p.price LIKE '" . $this->db->escape($data['filter_price']) . "%'";
		}

if (isset($data['filter_quantity']) && !is_null($data['filter_quantity'])) {
			$sql .= " AND p.quantity = '" . (int)$data['filter_quantity'] . "'";
		}

if (isset($data['filter_status']) && !is_null($data['filter_status'])) {
			$sql .= " AND p.status = '" . (int)$data['filter_status'] . "'";
		}

$query = $this->db->query($sql);