\Phpcmf\Model\XcxCategory

<?php namespace Phpcmf\Model\Xcx;

// 栏目模型类
class Category extends \Phpcmf\Model
{

    protected $xid;
    protected $tablename;
    protected $categorys;

    // 初始化模型
    public function init($data) {
        parent::init($data);
        $this->xid = (int)$data['xid'];
        $this->tablename = 'xcx_category';
        return $this;
    }

    // 检查目录是否可用
    public function check_dirname($id, $value) {

        if (!$value) {
            return 1;
        } elseif (!preg_match('/^[a-z0-9]*$/i', $value)) {
            return 1;
        }

        return $this->table($this->tablename)->where('xid', $this->xid)->is_exists($id, 'dirname', $value);
    }


    /**
     * 找出子目录列表
     *
     * @param	array	$data
     * @return	bool
     */
    private function get_categorys($data = array()) {

        if (is_array($data) && !empty($data)) {
            foreach ($data as $catid => $c) {
                $this->categorys[$catid] = $c;
                $result = array();
                foreach ($this->categorys as $_k => $_v) {
                    $_v['pid'] && $result[] = $_v;
                }
            }
        }

        return true;
    }

    /**
     * 获取父栏目ID列表
     *
     * @param	integer	$catid	栏目ID
     * @param	array	$pids	父目录ID
     * @param	integer	$n		查找的层次
     * @return	string
     */
    private function get_pids($catid, $pids = '', $n = 1) {

        if ($n > 100 || !is_array($this->categorys)
            || !isset($this->categorys[$catid])) {
            return FALSE;
        }

        $pid = $this->categorys[$catid]['pid'];
        $pids = $pids ? $pid.','.$pids : $pid;
        $pid ? $pids = $this->get_pids($pid, $pids, ++$n) : $this->categorys[$catid]['pids'] = $pids;

        return $pids;
    }

    /**
     * 获取子栏目ID列表
     *
     * @param	$catid	栏目ID
     * @return	string
     */
    private function get_childids($catid, $n = 1) {

        $childids = $catid;

        if ($n > 100 || !is_array($this->categorys)
            || !isset($this->categorys[$catid])) {
            return $childids;
        }

        if (is_array($this->categorys)) {
            foreach ($this->categorys as $id => $cat) {
                $cat['pid'] && $id != $catid && $cat['pid'] == $catid && $childids.= ','.$this->get_childids($id, ++$n);
            }
        }

        return $childids;
    }

    /**
     * 所有父目录
     *
     * @param	$catid	��ĿID
     * @return	string
     */
    public function get_pdirname($catid) {

        if ($this->categorys[$catid]['pid']==0) {
            return '';
        }

        $t = $this->categorys[$catid];
        $pids = $t['pids'];
        $pids = explode(',', $pids);
        $catdirs = array();
        krsort($pids);

        foreach ($pids as $id) {
            if ($id == 0) {
                continue;
            }
            $catdirs[] = $this->categorys[$id]['dirname'];
            if ($this->categorys[$id]['pdirname'] == '') {
                break;
            }
        }
        krsort($catdirs);

        return implode('/', $catdirs).'/';
    }

    /**
     * 获取全部父级的mid值, 或者更新
     */
    public function get_parent_mid($category, $id, $update = 0) {

        if (!isset($category[$id])) {
            return [];
        }

        $mid = '';
        $ids = dr_array2array(explode(',',  $category[$id]['childids']), explode(',',  $category[$id]['pids']));
        foreach ($ids as $id) {
            if ($id && $category[$id] && $category[$id]['mid']) {
                $mid = $category[$id]['mid'];
                break;
            }
        }

        return [$mid, $ids];
    }

    /**
     * 格式化父级栏目模块mid
     */
    public function update_parent_mid($category, $catid) {

        if (!isset($category[$catid])) {
            return;
        }

        $ids = @explode(',',  $category[$catid]['childids']);
        if (!$ids) {
            return;
        }

        $mid = array();

        foreach ($ids as $id) {
            $id
            && $category[$id]
            && $category[$id]['tid'] == 1
            && $category[$id]['mid']
            && $mid[] = $category[$id]['mid'];
        }

        $mid && count(array_unique($mid)) > 1 && $this->table($this->tablename)->update((int)$catid, array(
            'mid' => '',
            'tid' => 0
        ));
    }

    /**
     * 修复菜单数据
     */
    public function repair($_data = []) {

        if (!$this->xid) {
            return;
        }

        $this->categorys = $categorys = [];
        !$_data && $_data = $this->table($this->tablename)->where('xid', $this->xid)->order_by('displayorder ASC,id ASC')->getAll();
        if (!$_data) {
            return;
        }

        // 全部栏目数据
        foreach ($_data as $t) {
            $this->categorys[$t['id']] = $categorys[$t['id']] = $t;
        }

        foreach ($this->categorys as $catid => $cat) {

            $this->categorys[$catid]['pids'] = $this->get_pids($catid);
            $this->categorys[$catid]['childids'] = $this->get_childids($catid);
            $this->categorys[$catid]['child'] = is_numeric($this->categorys[$catid]['childids']) ? 0 : 1;
            $this->categorys[$catid]['pdirname'] = $this->get_pdirname($catid);

            if ($cat['pdirname'] != $this->categorys[$catid]['pdirname']
                || $cat['pids'] != $this->categorys[$catid]['pids']
                || $cat['childids'] != $this->categorys[$catid]['childids']
                || $cat['child'] != $this->categorys[$catid]['child']) {
                // 当库中与实际不符合才更新数据表
                // 更新数据库
                $this->table($this->tablename)->update($cat['id'], array(
                    'pids' => $this->categorys[$catid]['pids'],
                    'child' => $this->categorys[$catid]['child'],
                    'childids' => $this->categorys[$catid]['childids'],
                    'pdirname' => $this->categorys[$catid]['pdirname']
                ));
            }

             $this->categorys[$catid]['child'] && $this->update_parent_mid($this->categorys, $catid);
        }

        return $this->categorys;
    }


    // 用于删除时获取的数据
    public function data_for_delete() {

        $this->repair();

        $cache = [];
        // 全部栏目
        $data = $this->db->table($this->tablename)->where('xid', $this->xid)->orderBy('displayorder ASC,id ASC')->get()->getResultArray();
        if ($data) {
            foreach ($data as $t) {
                $cache[$t['id']] = $t;
            }
        }

        return $cache;
    }


    // 用于移动时获取的数据
    public function data_for_move() {

        $this->repair();

        $cache = [];
        // 全部栏目
        $data = $this->db->table($this->tablename)->where('xid', $this->xid)->orderBy('displayorder ASC,id ASC')->get()->getResultArray();
        if ($data) {
            foreach ($data as $t) {
                $cache[$t['id']] = $t;
            }
        }

        return $cache;
    }

    // 获取网站栏目数据
    public function get_category( $space = [] ) {

        $_data = $this->table($this->tablename)->where('xid', $this->xid)->order_by('displayorder ASC,id ASC')->getAll();
        if (!$_data) {
            return;
        }

        // 全部栏目数据
        $data = [];
        foreach ($_data as $t) {
            $t['setting'] = dr_string2array($t['setting']);
            if ($t['childids']) {
                $t['catids'] = explode(',', $t['childids']);
            } else {
                $t['catids'] = [$t['id']];
            }

            $data[$t['id']] = $t;
        }

        return $data;
    }

    public function get_category_dir($data) {

        if (!$data) {
            return;
        }

        $rt = [];
        foreach ($data as $c) {
            $rt[$c['dirname']] = $c['id'];
        }

        return $rt;

    }


}