task manager

common/models/Project.php

@@ -101,6 +101,14 @@ class Project extends \yii\db\ActiveRecord
         return $this->hasOne(Company::class, ['id' => 'company_id']);
     }
 
+    /**
+     * @return \yii\db\ActiveQuery
+     */
+    public function getColumns()
+    {
+        return $this->hasMany(ProjectColumn::class, ['project_id' => 'id'])->with('tasks');
+    }
+
     /**
      * @return \yii\db\ActiveQuery
      */