<?php
class ModelCheckoutVoucherTheme extends Model {
	public function getVoucherTheme($voucher_theme_id) {
		$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "voucher_theme vt LEFT JOIN " . DB_PREFIX . "voucher_theme_description vtd ON (vt.voucher_theme_id = vtd.voucher_theme_id) WHERE vt.voucher_theme_id = '" . (int)$voucher_theme_id . "' AND vtd.language_id = '" . (int)$this->config->get('config_language_id') . "'");

		return $query->row;
	}

	public function getVoucherThemes($data = array()) {
		if ($data) {
			$sql = "SELECT * FROM " . DB_PREFIX . "voucher_theme vt LEFT JOIN " . DB_PREFIX . "voucher_theme_description vtd ON (vt.voucher_theme_id = vtd.voucher_theme_id) WHERE vtd.language_id = '" . (int)$this->config->get('config_language_id') . "' ORDER BY vtd.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;
		} else {
			$voucher_theme_data = $this->cache->get('voucher_theme.' . (int)$this->config->get('config_language_id'));

			if (!$voucher_theme_data) {
				$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "voucher_theme vt LEFT JOIN " . DB_PREFIX . "voucher_theme_description vtd ON (vt.voucher_theme_id = vtd.voucher_theme_id) WHERE vtd.language_id = '" . (int)$this->config->get('config_language_id') . "' ORDER BY vtd.name");

				$voucher_theme_data = $query->rows;

				$this->cache->set('voucher_theme.' . (int)$this->config->get('config_language_id'), $voucher_theme_data);
			}

			return $voucher_theme_data;
		}
	}
}