feat(Database): Add float cast that supports comma

composer.json

@@ -13,7 +13,7 @@
     ],
     "require": {
         "php": ">=8.1",
-        "laravel/framework": "^9",
+        "laravel/framework": "^9.49.0",
         "psr/log": "^2 | ^3"
     },
     "require-dev": {

src/Core/Helpers/Value.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LaraStrict\Core\Helpers;
+
+final class Value
+{
+    public static function toFloat(string|int|float $value): ?float
+    {
+        if (is_string($value)) {
+            $value = strtr($value, [
+                ',' => '.',
+            ]);
+
+            if (is_numeric($value) === false) {
+                return null;
+            }
+        }
+
+        return (float) $value;
+    }
+}

src/Database/Models/Casts/FloatCast.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LaraStrict\Database\Models\Casts;
+
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+use LaraStrict\Core\Helpers\Value;
+
+/**
+ * @implements CastsAttributes<float, null|int|string|float>
+ */
+final class FloatCast implements CastsAttributes
+{
+    public function get($model, string $key, $value, array $attributes)
+    {
+        return (float) $value;
+    }
+
+    public function set($model, string $key, $value, array $attributes)
+    {
+        return Value::toFloat((string) $value);
+    }
+}

src/Validation/Rules/NumberRule.php

@@ -5,6 +5,7 @@
 namespace LaraStrict\Validation\Rules;
 
 use Illuminate\Contracts\Validation\Rule;
+use LaraStrict\Core\Helpers\Value;
 
 class NumberRule implements Rule
 {
@@ -15,15 +16,13 @@ public function passes($attribute, $value): bool
             return $intVal !== PHP_INT_MAX && $intVal !== PHP_INT_MIN;
         }
 
-        $value = strtr((string) $value, [
-            ',' => '.',
-        ]);
+        $value = Value::toFloat((string) $value);
 
-        if (is_numeric($value) === false) {
+        if ($value === null) {
             return false;
         }
 
-        return str_contains((string) (float) $value, 'E+') === false;
+        return str_contains((string) $value, 'E+') === false;
     }
 
     public function message(): string

tests/Unit/Core/Helpers/ValueTest.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\LaraStrict\Unit\Core\Helpers;
+
+use LaraStrict\Core\Helpers\Value;
+use PHPUnit\Framework\TestCase;
+
+final class ValueTest extends TestCase
+{
+    /**
+     * @dataProvider provideValueToFloat
+     */
+    public function testValueToFloat(string|float|int $actual, ?float $expected): void
+    {
+        $this->assertSame($expected, Value::toFloat($actual));
+    }
+
+    public function provideValueToFloat(): array
+    {
+        return [
+            ['', null],
+            ['.', null],
+            [',', null],
+            ['a', null],
+            ['0', 0.0],
+            ['-.0', 0.0],
+            ['-0.', 0.0],
+            ['-0', 0.0],
+            ['+0', 0.0],
+            ['0.0', 0.0],
+            ['0.5', 0.5],
+            ['0,5', 0.5],
+            ['-0,5', -0.5],
+            ['-,5', -0.5],
+            ['+0,5', 0.5],
+            ['+,5', 0.5],
+            [0, 0.0],
+            [0.0, 0.0],
+            [1.5, 1.5],
+            ['9223372036854775807', 9.223372036854776E+18],
+            ['9223372036854775807.5', 9.223372036854776E+18],
+            ['922337203685477580703434355.5', 9.223372036854776E+26],
+            ['-922337203685477580703434355.5', -9.223372036854776E+26],
+        ];
+    }
+}