<?php
/**
* 数据库表类 zz_news
* ============================================================================
* * 版权所有 蜘蛛出行 * *
* 网站地址: http://www.zhizhuchuxing.com
* ----------------------------------------------------------------------------
* 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和
* 使用；不允许对程序代码以任何形式任何目的的再发布。
* ============================================================================
* Author By: 倪宗锋
* PhpStorm LoginController.php
* Create By 2017/12/19 16:48 $
*/

namespace common\models;

use yii\db\ActiveRecord;
use yii\db\Exception;
use yii\db\Expression;

/**
 * 数据库表类 zz_news.
 * @property integer $id
 * @property integer $class_id
 * @property string $news_title
 * @property string $navi_content
 * @property string $content
 * @property string $create_user
 * @property string $create_time
 * @property string $update_time
 * @property integer $delete_flag
 */
class ZzNews extends ActiveRecord
{
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'zz_news';
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['class_id', 'delete_flag'], 'integer'],
            [['content'], 'required'],
            [['content'], 'string'],
            [['create_time', 'update_time'], 'safe'],
            [['news_title'], 'string', 'max' => 100],
            [['navi_content'], 'string', 'max' => 255],
            [['create_user'], 'string', 'max' => 50],
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'class_id' => 'Class ID',
            'news_title' => 'News Title',
            'navi_content' => 'Navi Content',
            'content' => 'Content',
            'create_user' => 'Create User',
            'create_time' => 'Create Time',
            'update_time' => 'Update Time',
            'delete_flag' => 'Delete Flag',
        ];
    }

    /**
     * Function Description:获取新闻列表
     * Function Name: GetNewsList
     * @param $param
     *
     * @return array
     *
     * @author 娄梦宁
     */
    public function GetNewsList($param){
        $news_title=$param['news_title'];
        $limit=$param['page_size'];
        $offset = ($param['current_page'] - 1) * $param['page_size'];
        $where=['and',['=','delete_flag',0]];
        if($news_title!=''){
            $where=['like','news_title',$news_title];
        }
        $select=[
            'id',
            'class_id'=>new Expression('case class_id when 1 then "公司新闻" 
                                                                   when 2 then "新闻报道" 
                                                                   when 3 then "行业动态"
                                                                   else ""
                                                                   end'),
            'news_title',
            'navi_content',
            'create_time',
        ];
        $result=self::find()->select($select)
                    ->from(self::tableName())
                    ->where($where)
                    ->offset($offset)
                    ->limit($limit)
                    ->asArray()
                    ->all();
        $count=self::find()->from(self::tableName())
            ->where($where)->count();
        return [
            'news_list'=>$result,
            'page'=>[
                'current_page'=>intval($param['current_page']),
                'page_size'=>intval($param['page_size']),
                'total_count'=>intval($count),
                'total_pages'=>intval(ceil($count/$param['page_size'])),
            ]
        ];
    }

    /**
     * Function Description:删除一条新闻
     * Function Name: DelNews
     * @param $news_id
     *
     *
     * @author 娄梦宁
     */
    public function DelNews($news_id)
    {
        self::updateAll(['delete_flag'=>1],['id'=>$news_id]);
    }

    /**
     * Function Description:获取新闻数据
     * Function Name: GetNewsInfo
     * @param $news_id
     *
     * @return array|null|ActiveRecord
     *
     * @author 娄梦宁
     */
    public function GetNewsInfo($news_id)
    {
        $select=[
            'news_id'=>'id',
            'news_title',
            'navi_content',
            'content',
            'class_id'
        ];
        $result=self::find()->select($select)->from(self::tableName())->where(['id'=>$news_id])->asArray()->one();
        return $result;
    }

    /**
     * Function Description:保存新闻，根据id是否传判断新增或修改
     * Function Name: SaveNews
     * @param $params
     *
     *
     * @author 娄梦宁
     */
    public function SaveNews($params)
    {
        $model=clone $this;
        if(isset($params['id'])){
            $model=self::findOne($params['id']);
        }
        $model->attributes=$params;
        $model->save();
    }
}