Add all files

extensions/Others/KnowledgeBase/Models/Article.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Paymenter\Extensions\Others\KnowledgeBase\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Article extends Model
+{
+    protected $table = 'ext_kb_articles';
+
+    protected $fillable = [
+        'title',
+        'content',
+        'description',
+        'published_at',
+        'is_active',
+        'slug',
+        'category_id',
+    ];
+
+    protected $casts = [
+        'published_at' => 'datetime',
+        'is_active' => 'boolean',
+    ];
+
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(Category::class);
+    }
+
+    public function getRouteKeyName()
+    {
+        return 'slug';
+    }
+}