<?php
class ModelExtensionModification extends Model {

    public function addModification($data) {
        $this->db->query("INSERT INTO " . DB_PREFIX . "modification SET code = '" . $this->db->escape($data['code']) . "', name = '" . $this->db->escape($data['name']) . "', author = '" . $this->db->escape($data['author']) . "', version = '" . $this->db->escape($data['version']) . "', link = '" . $this->db->escape($data['link']) . "', xml = '" . $this->db->escape($data['xml']) . "', status = '" . (int)$data['status'] . "', date_added = NOW()");
    }

    public function deleteModification($modification_id) {
        $this->db->query("DELETE FROM " . DB_PREFIX . "modification WHERE modification_id = '" . (int)$modification_id . "'");
    }

    public function enableModification($modification_id) {
        $this->db->query("UPDATE " . DB_PREFIX . "modification SET status = '1' WHERE modification_id = '" . (int)$modification_id . "'");
    }

    public function disableModification($modification_id) {
        $this->db->query("UPDATE " . DB_PREFIX . "modification SET status = '0' WHERE modification_id = '" . (int)$modification_id . "'");
    }

    public function getModification($modification_id) {
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "modification WHERE modification_id = '" . (int)$modification_id . "'");

        return $query->row;
    }

    public function getModifications($data = array()) {
        $sql = "SELECT * FROM " . DB_PREFIX . "modification";

        $sort_data = array(
            'name',
            'author',
            'version',
            'status',
            'date_added'
        );

        if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
            $sql .= " ORDER BY " . $data['sort'];
        } else {
            $sql .= " ORDER BY 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 getTotalModifications() {
        $query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "modification");

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

    public function getModificationByCode($code) {
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "modification WHERE code = '" . $this->db->escape($code) . "'");

        return $query->row;
    }

}