77 lines
2.4 KiB
PHP
77 lines
2.4 KiB
PHP
<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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use EloquentFilter\Filterable;
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use App\Admin\Components;
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use Illuminate\Support\Facades\Str;
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class Keyword extends Model
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{
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use HasFactory;
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use Filterable;
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protected $fillable = ['name', 'key', 'value', 'parent_id', 'parent_key', 'path', 'sort', 'lv'];
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protected function serializeDate(\DateTimeInterface $date)
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{
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return $date->format('Y-m-d H:i:s');
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}
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protected static function boot()
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{
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parent::boot();
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// 监听 Keyword 的创建事件，用于初始化 path 和 lv 字段值
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static::saving(function ($keyword) {
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// 如果创建的是一个根类目
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if (! $keyword->parent_id) {
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// 将层级设为 1
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$keyword->lv = 1;
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// 将 path 设为 -
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$keyword->path = '-';
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if(empty($keyword->key)){
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$keyword->key = Str::quickRandom($length = 16);
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}
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} else {
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// 将层级设为父类目的层级 + 1
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$keyword->lv = $keyword->parent->lv + 1;
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$keyword->parent_key = $keyword->parent->key;
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// 将 path 值设为父类目的 path 追加父类目 ID 以及最后跟上一个 - 分隔符
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$keyword->path = $keyword->parent->path.$keyword->parent_id.'-';
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//当前key是否为空
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if(empty($keyword->key)){
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$keyword->key = $keyword->parent_key . '_' . (self::where('parent_key', $keyword->parent_key)->count() + 1);
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}
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}
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});
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}
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public function parent()
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{
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return $this->belongsTo(static::class, 'parent_id');
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}
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public function children()
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{
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return $this->hasMany(static::class, 'parent_id');
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}
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public function scopeAllChildrenOfKey($q, $parentKey)
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{
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$q->where('path','like', '%-'.
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static::where('key', $parentKey)->value('id')
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. '-%' ?? '');
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}
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public static function tagsMap(String $key)
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{
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$mapArr = [];
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self::query()->where('parent_key', $key)->get()->map(function($item) use (&$mapArr){
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$mapArr[$item->id] = Components::make()->keywordsTag($item->name, $item->value);
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});
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return $mapArr;
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}
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}
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