feat: tambah modul blog dengan resource Filament, halaman publik, dan PostSeeder

app/Models/Post.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Support\Str;
+
+class Post extends Model
+{
+    protected $fillable = ['title', 'slug', 'category', 'content', 'author_id', 'published_at'];
+
+    protected $casts = ['published_at' => 'datetime'];
+
+    protected static function booted(): void
+    {
+        static::creating(function (Post $post) {
+            $post->slug ??= Str::slug($post->title);
+        });
+    }
+
+    public function author(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'author_id');
+    }
+
+    public function scopePublished($query)
+    {
+        return $query->whereNotNull('published_at')->where('published_at', '<=', now());
+    }
+}