<?php
namespace App\Models\Api\Post;

use App\Exceptions\ModelException;
use App\Models\Api\Base\ApiBaseModel;

class PostHistoryModel extends ApiBaseModel
{
    protected $table = 'customer_post_history';
    protected $primaryKey = 'id';
    protected $fillable = [
        'id',
        'method',
        'oid',
        'uuid',
        'mid',
        'uid',
        'media',
        'content',
        'created_at',
    ];

    const METHOD_ADD = 1;
    const METHOD_DEL = 2;
    const METHOD_EDIT = 4;
    const METHOD = [
        self::METHOD_ADD => '新增',
        self::METHOD_DEL => '删除',
        self::METHOD_EDIT => '编辑',
    ];

    /**
     * @throws ModelException
     */
    function addPostHistory($method, $aItem): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder|array|null
    {
        if(!in_array($method,self::METHOD)) throw new ModelException('addPostHistory method error');
        if(!isset($aItem['uuid']))  throw new ModelException('addPostHistory params error');
        $aItem['oid'] = $aItem['id'];
        unset($aItem['id']);
        $sDateTime = date('Y-m-d H:i:s');
        $aItem['created_at'] = $sDateTime;
        $aItem['method'] = $method;
        return $this->addItem($aItem);
    }

    //获取最新的历史记录（=当前）
    function findLastPostId($post_id,$col = ['*']): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder|null
    {
        return $this->newQuery()
            ->where('oid',$post_id)
            ->where('method','!=',self::METHOD_DEL)
            ->orderBy('created_at','desc')
            ->first($col);
    }


}