Money cast support

src/Casts/MoneyCast.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Pelmered\FilamentMoneyField\Casts;
+
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+use Illuminate\Database\Eloquent\Model;
+use Money\Currency;
+use Money\Money;
+
+class MoneyCast implements CastsAttributes
+{
+    /**
+     * Cast the given value.
+     *
+     * @param  array<string, mixed>  $attributes
+     */
+    public function get(Model $model, string $key, mixed $value, array $attributes): Money
+    {
+        return new Money($value, new Currency('USD'));
+    }
+
+    /**
+     * Prepare the given value for storage.
+     *
+     * @param  array<string, mixed>  $attributes
+     */
+    public function set(Model $model, string $key, mixed $value, array $attributes): mixed
+    {
+        return $value;
+    }
+}

src/Casts/MoneySynth.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Pelmered\FilamentMoneyField\Casts;
+
+use Livewire\Mechanisms\HandleComponents\Synthesizers\Synth;
+use Money\Currency;
+use Money\Money;
+
+class MoneySynth extends Synth
+{
+    public static $key = 'money';
+
+    public static function match($target)
+    {
+        return $target instanceof Money;
+    }
+
+    public function dehydrate($target)
+    {
+        return [[
+            'amount'   => $target->getAmount(),
+            'currency' => $target->getCurrency(),
+        ], []];
+    }
+
+    public function hydrate($value)
+    {
+        if ($value === null) {
+            return null;
+        }
+
+        return new Money(
+            $value['amount'],
+            new Currency($value['currency'])
+        );
+    }
+}

src/FilamentMoneyFieldServiceProvider.php

@@ -2,6 +2,8 @@
 
 namespace Pelmered\FilamentMoneyField;
 
+use Livewire\Livewire;
+use Pelmered\FilamentMoneyField\Casts\MoneySynth;
 use Spatie\LaravelPackageTools\Package;
 use Spatie\LaravelPackageTools\PackageServiceProvider;
 
@@ -20,5 +22,7 @@ public function boot(): void
         $this->publishes([
             __DIR__.'/../config/filament-money-field.php' => config_path('filament-money-field.php'),
         ], 'config');
+
+        Livewire::propertySynthesizer(MoneySynth::class);
     }
 }

src/Forms/Components/MoneyInput.php

@@ -4,6 +4,7 @@
 
 use Filament\Forms\Components\TextInput;
 use Filament\Support\RawJs;
+use Money\Money;
 use Pelmered\FilamentMoneyField\Concerns\HasMoneyAttributes;
 use Pelmered\FilamentMoneyField\Forms\Rules\MaxValueRule;
 use Pelmered\FilamentMoneyField\Forms\Rules\MinValueRule;
@@ -40,7 +41,12 @@ protected function setUp(): void
 
         $this->dehydrateStateUsing(function (MoneyInput $component, $state): ?string {
             $currency = $component->getCurrency();
-            $state    = MoneyFormatter::parseDecimal($state, $currency, $component->getLocale(), $this->getDecimals());
+
+            if ($state instanceof Money) {
+                return MoneyFormatter::parseDecimal($state->getAmount(), $state->getCurrency(), $component->getLocale(), $this->getDecimals());
+            }
+
+            $state = MoneyFormatter::parseDecimal($state, $currency, $component->getLocale(), $this->getDecimals());
 
             if (! is_numeric($state)) {
                 return null;

src/MoneyFormatter/MoneyFormatter.php

@@ -33,11 +33,16 @@ public static function format(
     }
 
     public static function formatAsDecimal(
-        null|int|string $value,
+        null|int|string|Money $value,
         Currency $currency,
         string $locale,
         int $decimals = 2,
     ): string {
+        if ($value instanceof Money) {
+            $currency = $value->getCurrency();
+            $value    = $value->getAmount();
+        }
+
         return static::format($value, $currency, $locale, NumberFormatter::DECIMAL, $decimals);
     }
 

tests/Components/FormTestComponent.php

@@ -28,6 +28,9 @@ public function form(Form $form): Form
                 MoneyInput::make('price')
                     ->minValue(100)
                     ->maxValue(1000),
+                MoneyInput::make('price_cast')
+                    ->minValue(100)
+                    ->maxValue(1000),
             ]);
     }
 

tests/Database/Factories/PostFactory.php

@@ -19,6 +19,7 @@ public function definition(): array
             'title'        => $this->faker->sentence(),
             'rating'       => $this->faker->numberBetween(1, 10),
             'price'        => $this->faker->numberBetween(100, 10000),
+            'price_cast'   => $this->faker->numberBetween(100, 10000),
         ];
     }
 }

tests/FormInputTest.php

@@ -211,3 +211,13 @@
         ->fill([$field->getName() => 2345345]);
     expect($component->getState()['price'])->toEqual('2345345');
 });
+
+it('accepts form input money with money cast', function () {
+    $component = ComponentContainer::make(FormTestComponent::make())
+        ->statePath('data')
+        ->components([MoneyInput::make('price_cast')])
+        ->fill(['price_cast' => 123456]);
+
+    dd($component->getState());
+    expect($component->getState()['price_cast'])->toEqual('123456');
+});

tests/Models/Post.php

@@ -6,6 +6,7 @@
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\SoftDeletes;
+use Pelmered\FilamentMoneyField\Casts\MoneyCast;
 use Pelmered\FilamentMoneyField\Tests\Database\Factories\PostFactory;
 
 class Post extends Model
@@ -16,6 +17,7 @@ class Post extends Model
     protected $casts = [
         'is_published' => 'boolean',
         'tags'         => 'array',
+        'price_cast'   => MoneyCast::class,
     ];
 
     protected $guarded = [];

tests/MoneyFormatterTest.php

@@ -3,9 +3,7 @@
 namespace Pelmered\FilamentMoneyField\Tests;
 
 use Money\Currency;
-use Pelmered\FilamentMoneyField\Tests\TestCase;
 use Pelmered\FilamentMoneyField\MoneyFormatter\MoneyFormatter;
-use PHPUnit\Framework\Attributes\DataProvider;
 
 uses(TestCase::class);