finished laravel migration

app/Models/Forum.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @property int $id
+ * @property string $name
+ * @property string|null $description
+ * @property string $type
+ * @property int|null $parent_id
+ * @property int $position
+ * @property \Illuminate\Support\Carbon|null $created_at
+ * @property \Illuminate\Support\Carbon|null $updated_at
+ * @property-read \Illuminate\Database\Eloquent\Collection<int, Forum> $children
+ * @property-read int|null $children_count
+ * @property-read Forum|null $parent
+ * @property-read \Illuminate\Database\Eloquent\Collection<int, \App\Models\Thread> $threads
+ * @property-read int|null $threads_count
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum newModelQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum newQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum query()
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum whereCreatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum whereDescription($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum whereId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum whereName($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum whereParentId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum wherePosition($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum whereType($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Forum whereUpdatedAt($value)
+ * @mixin \Eloquent
+ */
+class Forum extends Model
+{
+    protected $fillable = [
+        'name',
+        'description',
+        'type',
+        'parent_id',
+        'position',
+    ];
+
+    public function parent(): BelongsTo
+    {
+        return $this->belongsTo(self::class, 'parent_id');
+    }
+
+    public function children(): HasMany
+    {
+        return $this->hasMany(self::class, 'parent_id')->orderBy('position');
+    }
+
+    public function threads(): HasMany
+    {
+        return $this->hasMany(Thread::class);
+    }
+}