qztool/backend/app/Models/Tool.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Tool extends Model
{
    protected $fillable = [
        'name', 'slug', 'icon', 'summary', 'content', 'type', 'open_url', 'language',
        'internal_note', 'badge', 'required_entitlement', 'sort', 'is_recommended',
        'status', 'published_at', 'clicks',
    ];

    protected function casts(): array
    {
        return [
            'is_recommended' => 'boolean',
            'sort' => 'integer',
            'clicks' => 'integer',
            'published_at' => 'datetime',
        ];
    }

    public function scopePublished(Builder $query): Builder
    {
        return $query->where('status', 'published');
    }

    public function categories(): BelongsToMany
    {
        return $this->belongsToMany(Category::class, 'category_tool');
    }

    public function tags(): BelongsToMany
    {
        return $this->belongsToMany(Tag::class, 'tool_tag');
    }

    public function oauthClients(): HasMany
    {
        return $this->hasMany(OauthClient::class);
    }
}