/catalog/model/openbay/amazon_product.php

<?php
class ModelOpenbayAmazonProduct extends Model {
	public function setStatus($insertion_id, $status_string) {
		$this->db->query("UPDATE `" . DB_PREFIX . "amazon_product` SET `status` = '" . $this->db->escape($status_string) . "' WHERE `insertion_id` = '" . $this->db->escape($insertion_id) . "'");
	}

	public function getProductRows($insertion_id) {
		return $this->db->query("SELECT * FROM `" . DB_PREFIX . "amazon_product` WHERE `insertion_id` = '" . $this->db->escape($insertion_id) . "'")->rows;
	}

	public function getProduct($insertion_id) {
		return $this->db->query("SELECT * FROM `" . DB_PREFIX . "amazon_product` WHERE `insertion_id` = '" . $this->db->escape($insertion_id) . "'")->row;
	}

	public function linkItems(array $data) {
		foreach ($data as $amazon_sku => $product_id) {
			$var_row = $this->db->query("SELECT `var` FROM `" . DB_PREFIX . "amazon_product` WHERE `sku` = '" . $this->db->escape($amazon_sku) . "' AND `product_id` = '" . (int)$product_id . "'")->row;
			$var = isset($var_row['var']) ? $var_row['var'] : '';
			$this->linkProduct($amazon_sku, $product_id, $var);
		}
	}

	public function insertError($data) {
		$this->db->query("INSERT INTO `" . DB_PREFIX . "amazon_product_error` SET `sku` = '" . $this->db->escape($data['sku']) . "', `error_code` = '" . (int)$data['error_code'] . "', `message` = '" . $this->db->escape($data['message']) . "', `insertion_id` = '" . $this->db->escape($data['insertion_id']) . "'");

		$this->db->query("UPDATE `" . DB_PREFIX . "amazon_product`SET `status` = 'error' WHERE `sku` = '" . $this->db->escape($data['sku']) . "' AND `insertion_id` = '" . $this->db->escape($data['insertion_id']) . "'");
	}

	public function deleteErrors($insertion_id) {
		$this->db->query("DELETE FROM `" . DB_PREFIX . "amazon_product_error` WHERE `insertion_id` = '" . $this->db->escape($insertion_id) . "'");
	}

	public function setSubmitError($insertion_id, $message) {
		$sku_rows = $this->db->query("SELECT `sku` FROM `" . DB_PREFIX . "amazon_product` WHERE `insertion_id` = '" . $this->db->escape($insertion_id) . "'")->rows;

		foreach ($sku_rows as $sku_row) {
			$data = array(
				'sku' => $sku_row['sku'],
				'error_code' => '0',
				'message' => $message,
				'insertion_id' => $insertion_id
			);
			$this->insertError($data);
		}
	}

	public function linkProduct($amazon_sku, $product_id, $var = '') {
		$count = $this->db->query("SELECT COUNT(*) as 'count' FROM `" . DB_PREFIX . "amazon_product_link` WHERE `product_id` = '" . (int)$product_id . "' AND `amazon_sku` = '" . $this->db->escape($amazon_sku) . "' AND `var` = '" . $this->db->escape($var) . "' LIMIT 1")->row;
		if ($count['count'] == 0) {
			$this->db->query("INSERT INTO `" . DB_PREFIX . "amazon_product_link` SET `product_id` = '" . (int)$product_id . "', `amazon_sku` = '" . $this->db->escape($amazon_sku) . "', `var` = '" . $this->db->escape($var) . "'");
		}
	}

	public function getProductQuantity($product_id, $var = '') {
		$this->load->library('openbay/amazon');

		$result = null;

		if ($var !== '' && $this->openbay->addonLoad('openstock')) {
			$this->load->model('tool/image');
			$this->load->model('module/openstock');
			$option_stocks = $this->model_module_openstock->getVariants($product_id);

			$option = null;
			foreach ($option_stocks as $option_iterator) {
				if ($option_iterator['var'] === $var) {
					$option = $option_iterator;
					break;
				}
			}

			if ($option != null) {
				$result = $option['stock'];
			}
		} else {
			$this->load->model('catalog/product');
			$product_info = $this->model_catalog_product->getProduct($product_id);

			if (isset($product_info['quantity'])) {
				$result = $product_info['quantity'];
			}
		}
		return $result;
	}

	public function updateSearch($results) {
		foreach ($results as $result) {
			$results_found = count($result['results']);

			$data = json_encode($result['results']);

			$this->db->query("
				UPDATE " . DB_PREFIX . "amazon_product_search
				SET matches = " . (int)$results_found . ",
					`data` = '" . $this->db->escape($data) . "',
					`status` = 'finished'
				WHERE product_id = " . (int)$result['product_id'] . " AND
					  marketplace = '" . $this->db->escape($result['marketplace']) . "'
				LIMIT 1
			");
		}
	}

	public function addListingReport($data) {
		$sql = "INSERT INTO " . DB_PREFIX . "amazon_listing_report (marketplace, sku, quantity, asin, price) VALUES ";

		$sql_values = array();

		foreach ($data as $product) {
			$sql_values[] = " ('" . $this->db->escape($product['marketplace']) . "', '" . $this->db->escape($product['sku']) . "', " . (int)$product['quantity'] . ", '" . $this->db->escape($product['asin']) . "', " . (double)$product['price'] . ") ";
		}

		$sql .= implode(',', $sql_values);

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

	public function removeListingReportLock($marketplace) {
		$marketplaces = $this->config->get('openbay_amazon_processing_listing_reports');

		if ($marketplaces && ($key = array_search($marketplace, $marketplaces)) !== false) {
			unset($marketplaces[$key]);

			$this->config->set('openbay_amazon_processing_listing_reports', $marketplaces);

			$this->db->query("UPDATE " . DB_PREFIX . "setting SET `value` = '" . $this->db->escape(serialize($marketplaces)) . "', serialized = 1 WHERE `key` = 'openbay_amazon_processing_listing_reports'");
		}
	}
}