完善功能

web10/app/Models/Ad.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Ad extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'ad_slot_id',
+        'title',
+        'image',
+        'description',
+        'link_url',
+        'link_target',
+        'product_id',
+        'starts_at',
+        'ends_at',
+        'sort',
+        'is_active',
+        'view_count',
+        'click_count',
+    ];
+
+    protected $casts = [
+        'is_active' => 'boolean',
+        'starts_at' => 'datetime',
+        'ends_at' => 'datetime',
+    ];
+
+    public function adSlot()
+    {
+        return $this->belongsTo(AdSlot::class);
+    }
+
+    public function product()
+    {
+        return $this->belongsTo(Product::class);
+    }
+
+    public function getTargetUrl(): ?string
+    {
+        if ($this->product) {
+            return route('products.show', $this->product->slug);
+        }
+
+        return $this->link_url;
+    }
+}