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name : README.md # unique_with Validator Rule For Laravel [](https://gitter.im/felixkiss/uniquewith-validator?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [](https://travis-ci.org/felixkiss/uniquewith-validator) This package contains a variant of the `validateUnique` rule for Laravel, that allows for validation of multi-column UNIQUE indexes. ## Installation Install the package through [Composer](http://getcomposer.org). ### Laravel 4 On the command line: ``` composer require felixkiss/uniquewith-validator:1.* ``` ### Laravel 5 On the command line: ``` composer require felixkiss/uniquewith-validator:2.* ``` ## Configuration Add the following to your `providers` array in `config/app.php`: ```php 'providers' => array( // ... 'Felixkiss\UniqueWithValidator\UniqueWithValidatorServiceProvider', ), ``` ## Usage Use it like any `Validator` rule: ```php $rules = array( '<field1>' => 'unique_with:<table>,<field2>[,<field3>,...,<ignore_rowid>]', ); ``` See the [Validation documentation](http://laravel.com/docs/validation) of Laravel. ### Specify different column names in the database If your input field names are different from the corresponding database columns, you can specify the column names explicitly. e.g. your input contains a field 'last_name', but the column in your database is called 'sur_name': ```php $rules = array( 'first_name' => 'unique_with:users, middle_name, last_name = sur_name', ); ``` ## Example Pretend you have a `users` table in your database plus `User` model like this: ```php <?php use Illuminate\Database\Migrations\Migration; use Illuminate\Database\Schema\Blueprint; class CreateUsersTable extends Migration { /** * Run the migrations. * * @return void */ public function up() { Schema::create('users', function(Blueprint $table) { $table->increments('id'); $table->timestamps(); $table->string('first_name'); $table->string('last_name'); $table->unique(array('first_name', 'last_name')); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::drop('users'); } } ``` ```php <?php class User extends Eloquent { } ``` Now you can validate a given `first_name`, `last_name` combination with something like this: ```php Route::post('test', function() { $rules = array( 'first_name' => 'required|unique_with:users,last_name', 'last_name' => 'required', ); $validator = Validator::make(Input::all(), $rules); if($validator->fails()) { return Redirect::back()->withErrors($validator); } $user = new User; $user->first_name = Input::get('first_name'); $user->last_name = Input::get('last_name'); $user->save(); return Redirect::home()->with('success', 'User created!'); }); ``` You can also specify a row id to ignore (useful to solve unique constraint when updating) This will ignore row with id 2 ```php $rules = array( 'first_name' => 'required|unique_with:users,last_name,2', 'last_name' => 'required', ); ``` To specify a custom column name for the id, pass it like ```php $rules = array( 'first_name' => 'required|unique_with:users,last_name,2 = custom_id_column', 'last_name' => 'required', ); ``` You can also set additional clauses. For example, if your model uses soft deleting then you can use the following code to select all existing rows but marked as deleted ```php $rules = array( 'first_name' => 'required|unique_with:users,last_name,deleted_at,2 = custom_id_column', 'last_name' => 'required', ); ``` ## Extending the Laravel Validator For simple validation rules that don't need translator or custom messages: ```php Validator::extend('foo_bar', function($attribute, $value, $parameters) { return ($attribute == 'foo' && $value == 'bar'); }); ``` For more sophisticated rules: ```php class CustomValidator extends Felixkiss\UniqueWithValidator\ValidatorExtension { public function validateOnlyApple($attribute, $value, $parameters) { // $this->translator, $this->messages, etc. available return ($attribute == 'company' && $value == 'apple'); } } Validator::resolver(function($translator, $data, $rules, $messages) { return new CustomValidator($translator, $data, $rules, $messages); }); ``` # License MIT