Resourceful routing

src/Elements/Form.php

@@ -6,11 +6,13 @@
 use Galahad\Aire\Aire;
 use Galahad\Aire\Elements\Concerns\CreatesElements;
 use Galahad\Aire\Elements\Concerns\CreatesInputTypes;
+use Illuminate\Database\Eloquent\Model;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Routing\Router;
 use Illuminate\Routing\UrlGenerator;
 use Illuminate\Session\Store;
 use Illuminate\Support\HtmlString;
+use Illuminate\Support\Str;
 use Illuminate\Support\ViewErrorBag;
 
 class Form extends \Galahad\Aire\DTD\Form
@@ -139,6 +141,35 @@ public function bind($bound_data) : self
 		return $this;
 	}
 
+	/**
+	 * Bind data with implicit resource controller routing
+	 *
+	 * Form::resourceful(new User()) -> POST route('users.store')
+	 * Form::resourceful($existing_user) -> PUT route('users.update')
+	 *
+	 * @param \Illuminate\Database\Eloquent\Model $model
+	 * @param string $resource_name
+	 * @return \Galahad\Aire\Elements\Form
+	 */
+	public function resourceful(Model $model, $resource_name = null) : self
+	{
+		$this->bind($model);
+
+		if (null === $resource_name) {
+			$resource_name = Str::kebab(Str::plural($model->getTable()));
+		}
+
+		if ($model->exists) {
+			$this->action($this->url->route("{$resource_name}.update", $model));
+			$this->put();
+		} else {
+			$this->action($this->url->route("{$resource_name}.store"));
+			$this->post();
+		}
+
+		return $this;
+	}
+
 	/**
 	 * Determine whether the form has any bound data
 	 *

tests/Feature/ResourcefulBindingTest.php

@@ -0,0 +1,61 @@
+<?php
+
+/** @noinspection ReturnTypeCanBeDeclaredInspection */
+
+namespace Galahad\Aire\Tests\Feature;
+
+use Galahad\Aire\Tests\TestCase;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\Route;
+use Illuminate\Support\Facades\URL;
+
+class ResourcefulBindingTest extends TestCase
+{
+	protected function setUp()
+	{
+		parent::setUp();
+
+		Route::post('/users', function() {})->name('users.store');
+		Route::put('/users/{user}', function() {})->name('users.update');
+	}
+
+	public function test_action_and_method_are_inferred_for_unsaved_models()
+	{
+		$model = new XResourcefulModel(['id' => 1]);
+
+		$html = $this->aire()->form()->resourceful($model)->render();
+
+		$this->assertSelectorAttribute($html, 'form', 'action', URL::to('/users'));
+		$this->assertSelectorAttribute($html, 'form', 'method', 'POST');
+		$this->assertSelectorDoesNotExist($html, 'input[name="_method"]');
+	}
+
+	public function test_action_and_method_are_inferred_for_saved_models()
+	{
+		$model = new XResourcefulModel(['id' => 1]);
+		$model->exists = true;
+
+		$html = $this->aire()->form()->resourceful($model)->render();
+
+		$this->assertSelectorAttribute($html, 'form', 'action', URL::to('/users/1'));
+		$this->assertSelectorAttribute($html, 'input[name="_method"]', 'value', 'PUT');
+	}
+
+	public function test_provided_name_overrides_inferred_name() : void
+	{
+		Route::post('/foo/bar', function() {})->name('foo.bar.store');
+
+		$model = new XResourcefulModel(['id' => 1]);
+
+		$html = $this->aire()->form()->resourceful($model, 'foo.bar')->render();
+
+		$this->assertSelectorAttribute($html, 'form', 'action', URL::to('/foo/bar'));
+	}
+}
+
+class XResourcefulModel extends Model
+{
+	protected $guarded = [];
+
+	protected $table = 'users';
+}