wip

src/Fields/Items.php

@@ -21,6 +21,7 @@ class Items extends MorphMany
     protected array $with = [
         'buyable',
         'checkoutable',
+        'taxes',
     ];
 
     /**
@@ -64,12 +65,11 @@ public function fields(Request $request): array
                     return (new Currency($value, $model->checkoutable->currency))->format();
                 }),
 
-            Number::make(__('TAX'), 'tax')
-                ->min(0)
-                ->required()
-                ->format(static function (Request $request, Model $model, ?float $value): string {
-                    return (new Currency($value, $model->checkoutable->currency))->format();
-                }),
+            Number::make(__('TAX'), function (Request $request, Model $model): float {
+                return $model->getTax();
+            })->format(static function (Request $request, Model $model, float $value): string {
+                return (new Currency($value, $model->checkoutable->currency))->format();
+            }),
 
             Number::make(__('Quantity'), 'quantity')
                 ->required()

src/Interfaces/Taxable.php

@@ -19,11 +19,21 @@ public function getTaxBase(): float;
     /**
      * Get the tax total.
      */
-    public function getTaxTotal(): float;
+    public function getTax(): float;
 
     /**
      * Get the formatted tax.
      */
+    public function getFormattedTax(): string;
+
+    /**
+     * Get the tax total total.
+     */
+    public function getTaxTotal(): float;
+
+    /**
+     * Get the formatted tax total.
+     */
     public function getFormattedTaxTotal(): string;
 
     /**

src/Models/Item.php

@@ -212,7 +212,7 @@ public function getFormattedPrice(): string
      */
     public function getTotal(): float
     {
-        return ($this->getPrice() + $this->getTaxTotal()) * $this->getQuantity();
+        return ($this->getPrice() + $this->getTax()) * $this->getQuantity();
     }
 
     /**
@@ -247,6 +247,14 @@ public function getTaxBase(): float
         return $this->price;
     }
 
+    /**
+     * Get the formatted tax.
+     */
+    public function getFormattedTax(): string
+    {
+        return (new Currency($this->getTax(), $this->checkoutable->getCurrency()))->format();
+    }
+
     /**
      * Get the formatted tax.
      */

src/Models/Shipping.php

@@ -253,6 +253,14 @@ public function getFormattedSubtotal(): string
         return (new Currency($this->getSubtotal(), $this->shippable->getCurrency()))->format();
     }
 
+    /**
+     * Get the formatted tax total.
+     */
+    public function getFormattedTax(): string
+    {
+        return (new Currency($this->getTax(), $this->shippable->getCurrency()))->format();
+    }
+
     /**
      * Get the formatted tax total.
      */

src/Traits/InteractsWithTaxes.php

@@ -34,6 +34,38 @@ public function taxes(): MorphToMany
             ->withTimestamps();
     }
 
+    /**
+     * Get the tax total.
+     *
+     * @return \Illuminate\Database\Eloquent\Casts\Attribute<string, never>
+     */
+    protected function tax(): Attribute
+    {
+        return new Attribute(
+            get: fn (): float => $this->getTax()
+        );
+    }
+
+    /**
+     * Get the formatted tax attribute.
+     *
+     * @return \Illuminate\Database\Eloquent\Casts\Attribute<string, never>
+     */
+    protected function formattedTax(): Attribute
+    {
+        return new Attribute(
+            get: fn (): string => $this->getFormattedTax()
+        );
+    }
+
+    /**
+     * Get the tax total.
+     */
+    public function getTax(): float
+    {
+        return $this->taxes->sum('tax.value');
+    }
+
     /**
      * Get the tax total.
      *