<?php
namespace common\models;

use Yii;
use yii\db\ActiveRecord;

class xhBaseModel extends ActiveRecord
{

	//添加
	public static function add($data, $json = false)
	{
		$self			= get_called_class();
		$model			= new $self;
		$attributes		= $model->attributes;
		$fields			= array_keys($attributes);
		foreach($fields as $key){
			if(isset($data[$key])){
				$model->$key = $data[$key];
			}
		}
		$model->save();
		$e = $model->getErrors();
		if(!empty($e)){
			var_dump($e);
			Yii::$app->end();
		}
		return $model->attributes;
	}

	//批量添加
	public static function batchAdd($data)
	{
		$self		= get_called_class();
		$model		= new $self;
		foreach($data as $attributes)
		{
			$_model	= clone $model;
			$_model->attributes = $attributes;
			$_model->save();
		}
	}
	 
	/**
	 * 取表字段
	 */
	public static function getFields()
	{
		$self			= get_called_class();
		$model			= new $self;
		$attributes		= $model->attributes;
		return array_keys($attributes);
	}

    /**
     * 根据主键ID删除一条记录
     */
    public static function deleteById($id)
    {
		$return = self::findOne($id)->delete();
        return $return;
    }

    /**
     *根据条件删除一条或多条记录
     */
    public static function deleteByCondition($condition)
    {
        if(empty($condition))
            return 0;
        $where = array();
        $variable = array();
        foreach($condition as $key => $val){
            $where[] = $key.'=:'.$key;
            $variable[':'.$key] = $val;
        }
        $whereString = implode(' and ',$where);
        $count = self::deleteAll($whereString,$variable);
        return $count;
    }

    /**
     * 根据主键ID更新一条记录
     * @param $id
     * @param $data
     * @return array 更新成功返回status：true，失败返回status:false；更新的字段在data内(非表字段会被删除)
     */
    public static function updateById($id, $data)
    {
        $self			= get_called_class();
        $model			= new $self;
        $attributes		= $model->attributes;
        $fields			= array_keys($attributes);
        foreach($data as $key => $val){
            if(in_array($key, $fields) == false){
                unset($data[$key]);//删除不需要保存的字段
            }
        }
		$re = self::updateAll($data,'id=:id',['id' => $id]);

        if($re == 1){
            return ['status'=>true, 'data'=>$data];
        }

        return ['status'=>false, 'data'=>$data];
    }
    
    /**
     * 根据条件更新一条或多条记录
     */
    public static function updateByCondition($condition,$data)
    {
        if(empty($condition) || !is_array($condition)){
            throw new \Exception("xhBaseModel updateByCondition action's parameter 'condition' is empty or not a array!");
        }
        $where = array();
        $variable = array();
        foreach($condition as $key => $val){
            $where[] = $key.'=:'.$key;
            $variable[':'.$key] = $val;
        }
        $whereString = implode(' and ',$where);
        $count = self::updateAll($data,$whereString,$variable);
        return $count;
    }
    
    /**
     * 根据主键ID查出一条记录
     */
    public static function getById($id)
    {
		return self::find()->where(['id' => $id])->asArray()->one();
    }

    /**
     *根据条件查出一条记录
     */
    public static function getByCondition($condition)
    {
        return self::find()->where($condition)->asArray()->one();
    }

    /**
     *根据条件查出多条记录
     *
     *$instant 即时加载的对象名
     *
     */
    public static function getAllByCondition($condition, $order = null, $field = '*')
    {
    	$query = self::find()->select($field)->where($condition);
    	if(isset($order)){
    		$query->orderBy($order);
    	}
    	return $query->asArray()->all();
    }

    /**
     * 根据多个主键ID查询多条记录
     */
    public static function getByIds($ids,$order=null)
    {
    	$data = [];
        if(!empty($ids)){
        	$query = self::find()->where(['id'=>$ids]);
        	if(!empty($order)){
        		$query->order($order);
        	}
        	$data = $query->asArray()->all();
        }
        return $data;
    }

    /**
     *根据条件查出 总数
     */
    public static function getCount($condition){
        return self::find()->where($condition)->count();
    }
}