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$this->db->query("INSERT INTO " . DB_PREFIX . "voucher_theme SET image = '" . $this->db->escape(html_entity_decode($data['image'], ENT_QUOTES, 'UTF-8')) . "'");

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

foreach ($data['voucher_theme_description'] as $language_id => $value) {
	$this->db->query("INSERT INTO " . DB_PREFIX . "voucher_theme_description SET voucher_theme_id = '" . (int)$voucher_theme_id . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($value['name']) . "'");
}

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

$this->db->query("UPDATE " . DB_PREFIX . "voucher_theme SET image = '" . $this->db->escape(html_entity_decode($data['image'], ENT_QUOTES, 'UTF-8')) . "' WHERE voucher_theme_id = '" . (int)$voucher_theme_id . "'");

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

foreach ($data['voucher_theme_description'] as $language_id => $value) {
	$this->db->query("INSERT INTO " . DB_PREFIX . "voucher_theme_description SET voucher_theme_id = '" . (int)$voucher_theme_id . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($value['name']) . "'");
}

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

$this->db->query("DELETE FROM " . DB_PREFIX . "voucher_theme WHERE voucher_theme_id = '" . (int)$voucher_theme_id . "'");
$this->db->query("DELETE FROM " . DB_PREFIX . "voucher_theme_description WHERE voucher_theme_id = '" . (int)$voucher_theme_id . "'");

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

$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;

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;				
}

$voucher_theme_data = array();

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

foreach ($query->rows as $result) {
	$voucher_theme_data[$result['language_id']] = array('name' => $result['name']);
}

return $voucher_theme_data;

$query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "voucher_theme");

return $query->row['total'];