45 lines
		
	
	
		
			798 B
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			798 B
		
	
	
	
		
			PHP
		
	
	
<?php
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namespace app\common\model\community;
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use app\common\basics\Models;
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/**
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 * 种草社区话题
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 * Class CommunityCategory
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 * @package app\common\model\content
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 */
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class CommunityTopic extends Models
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{
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    /**
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     * @notes 关联分类
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     * @return \think\model\relation\HasOne
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     * @author 段誉
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     * @date 2022/4/28 14:18
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     */
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    public function cate()
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    {
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        return $this->hasOne(CommunityCategory::class, 'id', 'cid');
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    }
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    /**
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     * @notes 扣减文章数量
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     * @param $id
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     * @return mixed
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     * @author 段誉
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     * @date 2022/5/10 16:43
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     */
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    public static function decArticleNum($id)
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    {
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        return self::where([
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            ['id', '=', $id],
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            ['article_num', '>=', 1]
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        ])->dec('article_num')->update();
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    }
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} |