<?php
namespace App\Http\Model;
use Illuminate\Support\Facades\DB;

class Slide extends BaseModel
{
    //轮播图
	protected $table = 'slide';
    const TABLE_NAME = 'slide';

    public $timestamps = false;
	protected $guarded = []; //$guarded包含你不想被赋值的字段数组。
	
    const UN_SHOW      = 1; // 不显示
    const IS_SHOW      = 0; // 显示

    public static function getDb()
    {
        return DB::table(self::TABLE_NAME);
    }

    /**
     * 列表
     * @param array $where 查询条件
     * @param string $order 排序
     * @param string $field 字段
     * @param int $offset 偏移量
     * @param int $limit 取多少条
     * @return array
     */
    public static function getList($where = array(), $order = '', $field = '*', $offset = 0, $limit = 10)
    {
        $model = self::getDb();
        if($where){$model = $model->where($where);}

        $res['count'] = $model->count();
        $res['list'] = array();

        if($res['count'] > 0)
        {
            if($field){if(is_array($field)){$model = $model->select($field);}else{$model = $model->select(\DB::raw($field));}}
            if($order){$model = parent::getOrderByData($model, $order);}
            if($offset){}else{$offset = 0;}
            if($limit){}else{$limit = 10;}

            $res['list'] = $model->skip($offset)->take($limit)->get();
        }

        return $res;
    }

    /**
     * 分页，用于前端html输出
     * @param array $where 查询条件
     * @param string $order 排序
     * @param string $field 字段
     * @param int $limit 每页几条
     * @param int $page 当前第几页
     * @return array
     */
    public static function getPaginate($where = array(), $order = '', $field = '*', $limit = '')
    {
        $res = self::getDb();

        if($where){$res = $res->where($where);}
        if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}}
        if($order){$res = parent::getOrderByData($res, $order);}
        if($limit){}else{$limit = 10;}

        return $res->paginate($limit);
    }

    /**
     * 查询全部
     * @param array $where 查询条件
     * @param string $order 排序
     * @param string $field 字段
     * @param int $limit 取多少条
     * @return array
     */
    public static function getAll($where = array(), $order = '', $field = '*', $limit = 10, $offset = 0)
    {
        $res = self::getDb();

        if($where){$res = $res->where($where);}
        if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}}
        if($order){$res = parent::getOrderByData($res, $order);}
        if($offset){}else{$offset = 0;}
        if($limit){}else{$limit = 10;}

        $res = $res->skip($offset)->take($limit)->get();

        return $res;
    }

    /**
     * 获取一条
     * @param array $where 条件
     * @param string $field 字段
     * @return array
     */
    public static function getOne($where, $field = '*')
    {
        $res = self::getDb();

        if($where){$res = $res->where($where);}
        if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}}

        $res = $res->first();

        return $res;
    }

    /**
     * 添加
     * @param array $data 数据
     * @return int
     */
    public static function add(array $data,$type = 0)
    {
        if($type==0)
        {
            // 新增单条数据并返回主键值
            return self::insertGetId(parent::filterTableColumn($data,self::TABLE_NAME));
        }
        elseif($type==1)
        {
            /**
             * 添加单条数据
             * $data = ['foo' => 'bar', 'bar' => 'foo'];
             * 添加多条数据
             * $data = [
             *     ['foo' => 'bar', 'bar' => 'foo'],
             *     ['foo' => 'bar1', 'bar' => 'foo1'],
             *     ['foo' => 'bar2', 'bar' => 'foo2']
             * ];
             */
            return self::insert($data);
        }
    }

    /**
     * 修改
     * @param array $data 数据
     * @param array $where 条件
     * @return bool
     */
    public static function edit($data, $where = array())
    {
        if (self::where($where)->update(parent::filterTableColumn($data, self::TABLE_NAME)) !== false)
        {
            return true;
        }

        return false;
    }

    /**
     * 删除
     * @param array $where 条件
     * @return bool
     */
    public static function del($where)
    {
        return self::where($where)->delete();
    }

    //删除一条记录
    public static function remove($id)
    {
        return self::whereIn('id', explode(',', $id))->delete();
    }

    //获取显示平台文字：0pc，1weixin，2app，3wap
    public static function getTypeText($where)
    {
        $res = '';
        if($where['type'] === 0)
        {
            $res = 'pc';
        }
        elseif($where['type'] === 1)
        {
            $res = 'weixin';
        }
        elseif($where['type'] === 2)
        {
            $res = 'app';
        }
        elseif($where['type'] === 3)
        {
            $res = 'wap';
        }
        
        return $res;
    }
}