Added `useFormName` property (#37)

* Added `useFormName` property

src/SaveRelationsBehavior.php

@@ -27,6 +27,8 @@ class SaveRelationsBehavior extends Behavior
 {
 
     public $relations = [];
+    public $useFormName = true;
+
     private $_relations = [];
     private $_oldRelationValue = []; // Store initial relations value
     private $_newRelationValue = []; // Store update relations value
@@ -34,7 +36,6 @@ class SaveRelationsBehavior extends Behavior
     private $_relationsSaveStarted = false;
     private $_transaction;
 
-
     private $_relationsScenario = [];
     private $_relationsExtraColumns = [];
     private $_relationsCascadeDelete = [];
@@ -736,9 +737,9 @@ class SaveRelationsBehavior extends Behavior
             $modelClass = $relation->modelClass;
             /** @var ActiveQuery $relationalModel */
             $relationalModel = new $modelClass;
-            $formName = $relationalModel->formName();
+            $keyName = $this->useFormName ? $relationalModel->formName() : $relationName;
-            if (array_key_exists($formName, $data)) {
+            if (array_key_exists($keyName, $data)) {
-                $owner->{$relationName} = $data[$formName];
+                $owner->{$relationName} = $data[$keyName];
             }
         }
     }

tests/SaveRelationsBehaviorTest.php

@@ -841,4 +841,32 @@ class SaveRelationsBehaviorTest extends \PHPUnit_Framework_TestCase
         $this->assertFalse($project->company->isNewRecord, 'Company record should be saved');
         $this->assertFalse($project->company->users[0]->isNewRecord, 'Company Users records should be saved');
     }
+
+
+    public function testLoadRelationNameAsDataKeyShouldSucceed()
+    {
+        $company = new Company([
+            'name' => 'NewSoft',
+        ]);
+
+        $company->attachBehavior('saveRelations', [
+            'class' => SaveRelationsBehavior::className(),
+            'relations' => ['users'],
+            'useFormName' => false
+        ]);
+
+        $data = [
+            'users' => [
+                ['username' => "user1"],
+                ['username' => "user2"]
+            ]
+        ];
+
+        $company->loadRelations($data);
+
+        $this->assertTrue($company->save(), 'Company could not be saved');
+        $this->assertEquals('NewSoft', $company->name, 'Company\'s name is wrong');
+        $this->assertEquals('user1', $company->users[0]->username);
+        $this->assertEquals('user2', $company->users[1]->username);
+    }
 }