20-02-2026

app/Models/ProductVariant.php

@@ -3,8 +3,89 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+use Illuminate\Database\Eloquent\Relations\MorphMany;
 
 class ProductVariant extends Model
 {
-    //
+    protected $fillable = [
+        'product_id',
+        'name_suffix',
+        'is_master_variant',
+        'sku',
+        'han_mpn',
+        'ean_gtin',
+        'selling_price',
+        'msrp',
+        'purchase_price',
+        'tax_rate_id',
+        'stock_quantity',
+        'stock_min_threshold',
+        'availability_status',
+        'delivery_time_text',
+        'currency',
+        'is_rentable',
+        'rental_duration_options',
+        'rental_rate_formula',
+        'residual_value_percentage',
+        'variant_weight_g',
+        'is_active',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'is_master_variant' => 'boolean',
+            'selling_price' => 'integer',
+            'msrp' => 'integer',
+            'purchase_price' => 'integer',
+            'stock_quantity' => 'integer',
+            'is_rentable' => 'boolean',
+            'rental_duration_options' => 'array',
+            'residual_value_percentage' => 'decimal:2',
+            'is_active' => 'boolean',
+        ];
+    }
+
+    /**
+     * Gehört zu einem Produkt.
+     */
+    public function product(): BelongsTo
+    {
+        return $this->belongsTo(Product::class);
+    }
+
+    /**
+     * Steuersatz der Variante.
+     */
+    public function taxRate(): BelongsTo
+    {
+        return $this->belongsTo(TaxRate::class);
+    }
+
+    /**
+     * Attribut-Werte dieser Variante (z.B. Farbe: Rot, Größe: L).
+     */
+    public function attributeValues(): BelongsToMany
+    {
+        return $this->belongsToMany(AttributeValue::class, 'product_variant_attributes');
+    }
+
+    /**
+     * Logistik-Daten der Variante (1:1).
+     */
+    public function logistics(): HasOne
+    {
+        return $this->hasOne(ProductLogistics::class);
+    }
+
+    /**
+     * Bilder der Variante.
+     */
+    public function media(): MorphMany
+    {
+        return $this->morphMany(Media::class, 'model');
+    }
 }