Add Filament support (#26)

README.md

@@ -35,7 +35,7 @@ But then you want to make sure each translation is unique for its language.
 
 That's where this package comes in to play.
 
-This package also supports [`spatie/nova-translatable`](https://github.com/spatie/nova-translatable/) in case you are using [Laravel Nova](https://nova.laravel.com/).
+This package also supports [`spatie/nova-translatable`](https://github.com/spatie/nova-translatable/) in case you are using [Laravel Nova](https://nova.laravel.com/) and [`filamentphp/spatie-laravel-translatable-plugin`](https://github.com/filamentphp/spatie-laravel-translatable-plugin) in case you are using [Filament](https://filamentphp.com/).
 
 ## ✅ Requirements
 
@@ -44,6 +44,7 @@ This package also supports [`spatie/nova-translatable`](https://github.com/spati
 - [Laravel](https://laravel.com/) >= 6
 - [spatie/laravel-translatable](https://github.com/spatie/laravel-translatable) ^4.4|^5.0
 - [spatie/nova-translatable](https://github.com/spatie/nova-translatable/) ^3.0
+- [filamentphp/spatie-laravel-translatable-plugin](https://github.com/filamentphp/spatie-laravel-translatable-plugin) ^3.0
 
 ## 📦 Installation
 
@@ -205,6 +206,26 @@ Text::make(__('Slug'), 'slug')
  ->updateRules('unique_translation:posts,slug,{{resourceId}}');
 ```
 
+### ☑️ Filament
+
+If you are using [Filament](https://filamentphp.com/) in combination with [`filamentphp/spatie-laravel-translatable-plugin`](https://github.com/filamentphp/spatie-laravel-translatable-plugin), then you can add the validation rule like this:
+
+```php
+TextInput::make('slug')
+ ->title(__('Slug'))
+ ->rules([
+ UniqueTranslationRule::for('posts', 'slug')
+ ])
+```
+
+```php
+TextInput::make('slug')
+ ->title(__('Slug'))
+ ->rules([
+ fn (Get $get) => UniqueTranslationRule::for('posts', 'slug')->ignore($get('id'))
+ ])
+```
+
 ## 🖥 Example
 
 Your existing `slug` column (JSON) in a `posts` table:

src/UniqueTranslationValidator.php

@@ -20,10 +20,14 @@ class UniqueTranslationValidator
  * @return bool
  */
  public function validate($attribute, $value, $parameters, $validator)
- {
- list ($name, $locale) = $this->isNovaTranslation($attribute)
+ { 
+ list ($name, $locale) = $this->isNovaTranslation($attribute) 
  ? $this->getNovaAttributeNameAndLocale($attribute)
- : $this->getArrayAttributeNameAndLocale($attribute);
+ : (
+ $this->isFilamentTranslation($attribute) 
+ ? $this->getFilamentAttributeNameAndLocale($attribute) 
+ : $this->getArrayAttributeNameAndLocale($attribute)
+ );
 
  if ($this->isUnique($value, $name, $locale, $parameters)) {
  return true;
@@ -74,7 +78,7 @@ protected function isNovaTranslation($attribute)
  }
 
  /**
- * Get the attribute name and locale of a Nova translation field.
+ * Get the attribute name and locale of a Filament translation field.
  *
  * @param string $attribute
  *
@@ -87,6 +91,32 @@ protected function getNovaAttributeNameAndLocale($attribute)
  return $this->getAttributeNameAndLocale($attribute, '_');
  }
 
+ /**
+ * Check if the attribute is a Filament translation field name.
+ *
+ * @param string $attribute
+ *
+ * @return bool
+ */
+ protected function isFilamentTranslation($attribute)
+ {
+ return strpos($attribute, 'data.') === 0;
+ }
+
+ /**
+ * Get the attribute name and locale of a Filament translation field.
+ *
+ * @param string $attribute
+ *
+ * @return array
+ */
+ protected function getFilamentAttributeNameAndLocale($attribute)
+ {
+ $attribute = str_replace('data.', '', $attribute);
+ @list($locale, $name) = @explode('.', $attribute);
+ return [$name, $locale];
+ }
+
  /**
  * Get the attribute name and locale of an array field.
  *
@@ -210,7 +240,7 @@ protected function isUnique($value, $name, $locale, $parameters)
  $query = $this->findTranslation($connection, $table, $column, $locale, $value);
  $query = $this->ignore($query, $ignoreColumn, $ignoreValue);
  $query = $this->addConditions($query, $this->getUniqueExtra($parameters));
-
+ 
  $isUnique = $query->count() === 0;
 
  return $isUnique;