add view related action

src/actions/UpdateRelationshipAction.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * @author Anton Tuyakhov <atuyakhov@gmail.com>
+ */
+
+namespace tuyakhov\jsonapi\actions;
+
+use tuyakhov\jsonapi\ResourceInterface;
+use yii\data\ActiveDataProvider;
+use yii\db\BaseActiveRecord;
+use yii\helpers\ArrayHelper;
+use yii\rest\Action;
+use yii\web\BadRequestHttpException;
+use yii\web\NotFoundHttpException;
+
+class UpdateRelationshipAction extends Action
+{
+    /**
+     * @param $id
+     * @param $name
+     * @return array|null|ActiveDataProvider|\yii\db\ActiveRecord|\yii\db\ActiveRecordInterface
+     * @throws BadRequestHttpException
+     * @throws NotFoundHttpException
+     */
+    public function run($id, $name)
+    {
+        /** @var BaseActiveRecord $model */
+        $model = $this->findModel($id);
+
+        if (!$model instanceof ResourceInterface) {
+            throw new BadRequestHttpException('Impossible to update relationships for resource');
+        }
+
+        if (!$related = $model->getRelation($name, false)) {
+            throw new NotFoundHttpException('Relationship does not exist');
+        }
+        $relatedClass = $related->modelClass;
+
+        $data = \Yii::$app->getRequest()->getBodyParams();
+        $data = ArrayHelper::isIndexed($data) ? $data : [$data];
+
+        $ids = [];
+        foreach ($data as $index => $relationshipObject) {
+            if (!isset($relationshipObject['id'])) {
+                continue;
+            }
+            $ids[] = $relationshipObject['id'];
+        }
+        /** @var BaseActiveRecord $relatedClass */
+        $relationships = $relatedClass::find()
+            ->andWhere(['in', $relatedClass::primaryKey(), $ids])
+            ->all();
+
+        if (!empty($relationships)) {
+            $model->unlinkAll($name);
+            $model->setResourceRelationship($name, $relationships);
+        }
+
+        if ($related->multiple) {
+            return new ActiveDataProvider([
+                'query' => $related
+            ]);
+        } else {
+            return $related->one();
+        }
+    }
+}

src/actions/ViewRelatedAction.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * @author Anton Tuyakhov <atuyakhov@gmail.com>
+ */
+
+namespace tuyakhov\jsonapi\actions;
+
+
+use tuyakhov\jsonapi\ResourceInterface;
+use yii\data\ActiveDataProvider;
+use yii\db\ActiveQuery;
+use yii\rest\Action;
+use yii\web\BadRequestHttpException;
+use yii\web\NotFoundHttpException;
+
+class ViewRelatedAction extends Action
+{
+    /**
+     * Prepares the data provider that should return the requested collection of the models.
+     * @var callable
+     */
+    public $prepareDataProvider;
+
+    /**
+     * @param $id
+     * @param $name
+     * @return ActiveDataProvider|\yii\db\ActiveRecordInterface
+     * @throws BadRequestHttpException
+     * @throws NotFoundHttpException
+     */
+    public function run($id, $name)
+    {
+        $model = $this->findModel($id);
+
+        if (!$model instanceof ResourceInterface) {
+            throw new BadRequestHttpException('Impossible to fetch related resource');
+        }
+
+        if ($this->checkAccess) {
+            call_user_func($this->checkAccess, $this->id, $model);
+        }
+
+        /** @var ActiveQuery $related */
+        if (!$related = $model->getRelation($name, false)) {
+            throw new NotFoundHttpException('Resource does not exist');
+        }
+
+        if ($this->prepareDataProvider !== null) {
+            return call_user_func($this->prepareDataProvider, $this, $related);
+        }
+
+        if ($related->multiple) {
+            return new ActiveDataProvider([
+                'query' => $related
+            ]);
+        } else {
+            return $related->one();
+        }
+    }
+}

tests/JsonApiParserTest.php

@@ -1,8 +1,6 @@
 <?php
 /**
- * @link http://www.stombox.com/
- * @copyright Copyright (c) 2015 Stombox LLC
- * @license http://www.stombox.com/license/
+ * @author Anton Tuyakhov <atuyakhov@gmail.com>
  */
 
 namespace tuyakhov\jsonapi\tests;

tests/actions/ViewRelatedActionTest.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * @author Anton Tuyakhov <atuyakhov@gmail.com>
+ */
+namespace tuyakhov\jsonapi\tests\actions;
+
+use tuyakhov\jsonapi\tests\TestCase;
+use tuyakhov\jsonapi\actions\ViewRelatedAction;
+use yii\base\Controller;
+use tuyakhov\jsonapi\tests\data\ResourceModel;
+use yii\data\ActiveDataProvider;
+use \tuyakhov\jsonapi\tests\data\ActiveQuery;
+use yii\web\NotFoundHttpException;
+
+class ViewRelatedActionTest extends TestCase
+{
+
+    public function testSuccess()
+    {
+        $model = new ResourceModel();
+        $action = new ViewRelatedAction('test', new Controller('test', \Yii::$app), [
+            'modelClass' => ResourceModel::className()
+        ]);
+        $model->setRelation('multiple', new ActiveQuery(ResourceModel::className(), ['multiple' => true]));
+        $model->setRelation('single', new ActiveQuery(ResourceModel::className()));
+        $action->findModel = function ($id, $action) use($model) {
+            return $model;
+        };
+
+        $this->assertInstanceOf(ActiveDataProvider::className(), $action->run(1, 'multiple'));
+        $this->assertInstanceOf(ResourceModel::className(), $action->run(1, 'single'));
+    }
+
+    public function testInvalidRelation()
+    {
+        $action = new ViewRelatedAction('test', new Controller('test', \Yii::$app), [
+            'modelClass' => ResourceModel::className()
+        ]);
+        $action->findModel = function ($id, $action) {
+            return new ResourceModel();
+        };
+        $this->expectException(NotFoundHttpException::class);
+        $action->run(1, 'invalid');
+    }
+}

tests/data/ActiveQuery.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * @author Anton Tuyakhov <atuyakhov@gmail.com>
+ */
+namespace tuyakhov\jsonapi\tests\data;
+
+
+class ActiveQuery extends \yii\db\ActiveQuery
+{
+    public function one($db = null)
+    {
+        return new $this->modelClass;
+    }
+
+}

tests/data/ResourceModel.php

@@ -8,6 +8,7 @@
 use tuyakhov\jsonapi\ResourceInterface;
 use tuyakhov\jsonapi\ResourceTrait;
 use yii\base\Model;
+use yii\db\ActiveQuery;
 
 class ResourceModel extends Model implements ResourceInterface
 {
@@ -22,6 +23,8 @@ class ResourceModel extends Model implements ResourceInterface
     public $extraField1 = 'testExtra';
     public $extraField2 = 42;
 
+    private $_related = [];
+
     public function getId()
     {
         return static::$id;
@@ -36,4 +39,14 @@ public function extraFields()
     {
         return static::$extraFields;
     }
+
+    public function getRelation($name)
+    {
+        return isset($this->_related[$name]) ? $this->_related[$name] : null;
+    }
+
+    public function setRelation($name, $value)
+    {
+        $this->_related[$name] = $value;
+    }
 }