add project statistic to api

common/models/ProjectRole.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace common\models;
+
+use Yii;
+
+/**
+ * This is the model class for table "project_role".
+ *
+ * @property int $id
+ * @property string $title
+ *
+ * @property ProjectUser[] $projectUsers
+ */
+class ProjectRole extends \yii\db\ActiveRecord
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static function tableName()
+    {
+        return 'project_role';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rules()
+    {
+        return [
+            [['title'], 'string', 'max' => 255],
+        ];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function attributeLabels()
+    {
+        return [
+            'id' => 'ID',
+            'title' => 'Название роли',
+        ];
+    }
+
+    /**
+     * @return \yii\db\ActiveQuery
+     */
+    public function getProjectUsers()
+    {
+        return $this->hasMany(ProjectUser::className(), ['project_role_id' => 'id']);
+    }
+}