74 lines
1.8 KiB
PHP
74 lines
1.8 KiB
PHP
<?php
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namespace App\Models;
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use App\Models\Traits\HasOneCover;
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use Encore\Admin\Traits\AdminBuilder;
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use Encore\Admin\Traits\ModelTree;
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use Illuminate\Database\Eloquent\Relations\BelongsTo;
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use Illuminate\Database\Eloquent\Relations\BelongsToMany;
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use Illuminate\Database\Eloquent\Relations\HasMany;
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class Category extends Model
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{
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use AdminBuilder, ModelTree, HasOneCover;
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public const TYPE_SHOW = 'show';
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public const TYPE_ARTICLE = 'article';
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public const TYPE_ADVERT = 'advert';
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public const TYPE_PATENT = 'patent';
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public const TYPES = [
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self::TYPE_ARTICLE => '文章列表',
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self::TYPE_SHOW => '文章详情',
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self::TYPE_ADVERT => '图片',
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self::TYPE_PATENT => '专利',
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];
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public function getLinkAttribute()
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{
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if ($this->url) {
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return $this->url;
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}
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return route('category.show', $this);
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}
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/**
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* 关联的数据
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* @return [type] [description]
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*/
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public function relations()
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{
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switch ($this->type) {
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case self::TYPE_SHOW:
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return $this->hasOne(Article::class, 'id', 'article_id');
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break;
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case self::TYPE_ARTICLE:
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return $this->belongsToMany(Article::class);
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break;
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case self::TYPE_ADVERT:
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return $this->hasMany(Advert::class);
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break;
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default:
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return null;
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}
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}
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public function parent(): BelongsTo
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{
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return $this->belongsTo(__CLASS__)->withDefault(['name' => '顶级分类']);
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}
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public function children(): HasMany
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{
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return $this->hasMany(__CLASS__, 'parent_id');
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}
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public function articles(): BelongsToMany
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{
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return $this->belongsToMany(Article::class);
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}
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}
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