rename task to project task, task_user to project_task_user, fix behavior

common/models/ProjectTaskUser.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace common\models;
+
+use yii\db\ActiveQuery;
+
+/**
+ * This is the model class for table "task_user".
+ *
+ * @property int $id
+ * @property int $task_id
+ * @property int $project_user_id
+ *
+ * @property ProjectUser $projectUser
+ * @property ProjectTask $task
+ */
+class ProjectTaskUser extends \yii\db\ActiveRecord
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static function tableName()
+    {
+        return 'project_task_user';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rules()
+    {
+        return [
+            [['task_id', 'project_user_id'], 'required'],
+            ['project_user_id', 'unique', 'targetAttribute' => ['task_id', 'project_user_id'], 'message'=>'Уже закреплён(ы) за задачей'],
+            [['project_user_id'], 'exist', 'skipOnError' => true, 'targetClass' => ProjectUser::className(), 'targetAttribute' => ['project_user_id' => 'id']],
+            [['task_id'], 'exist', 'skipOnError' => true, 'targetClass' => ProjectTask::className(), 'targetAttribute' => ['task_id' => 'id']],
+        ];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function attributeLabels()
+    {
+        return [
+            'id' => 'ID',
+            'task_id' => 'Задача',
+            'project_user_id' => 'Сотрудник',
+        ];
+    }
+
+    /**
+     * @return ActiveQuery
+     */
+    public function getProjectUser()
+    {
+        return $this->hasOne(ProjectUser::className(), ['id' => 'project_user_id']);
+    }
+
+    /**
+     * @return ActiveQuery
+     */
+    public function getTask()
+    {
+        return $this->hasOne(ProjectTask::className(), ['id' => 'task_id']);
+    }
+}