Remove model OverdueNotification

app/Console/TaskOverdueNotification.php

@@ -2,6 +2,7 @@
 
 namespace Kanboard\Console;
 
+use Kanboard\Model\Task;
 use Symfony\Component\Console\Helper\Table;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
@@ -19,7 +20,7 @@ class TaskOverdueNotification extends Base
 
     protected function execute(InputInterface $input, OutputInterface $output)
     {
-        $tasks = $this->overdueNotification->sendOverdueTaskNotifications();
+        $tasks = $this->sendOverdueTaskNotifications();
 
         if ($input->getOption('show')) {
             $this->showTable($output, $tasks);
@@ -47,4 +48,69 @@ class TaskOverdueNotification extends Base
             ->setRows($rows)
             ->render();
     }
+
+    /**
+     * Send overdue tasks
+     *
+     * @access public
+     */
+    public function sendOverdueTaskNotifications()
+    {
+        $tasks = $this->taskFinder->getOverdueTasks();
+
+        foreach ($this->groupByColumn($tasks, 'project_id') as $project_id => $project_tasks) {
+            $users = $this->userNotification->getUsersWithNotificationEnabled($project_id);
+
+            foreach ($users as $user) {
+                $this->sendUserOverdueTaskNotifications($user, $project_tasks);
+            }
+        }
+
+        return $tasks;
+    }
+
+    /**
+     * Send overdue tasks for a given user
+     *
+     * @access public
+     * @param  array   $user
+     * @param  array   $tasks
+     */
+    public function sendUserOverdueTaskNotifications(array $user, array $tasks)
+    {
+        $user_tasks = array();
+
+        foreach ($tasks as $task) {
+            if ($this->userNotificationFilter->shouldReceiveNotification($user, array('task' => $task))) {
+                $user_tasks[] = $task;
+            }
+        }
+
+        if (! empty($user_tasks)) {
+            $this->userNotification->sendUserNotification(
+                $user,
+                Task::EVENT_OVERDUE,
+                array('tasks' => $user_tasks, 'project_name' => $tasks[0]['project_name'])
+            );
+        }
+    }
+
+    /**
+     * Group a collection of records by a column
+     *
+     * @access public
+     * @param  array   $collection
+     * @param  string  $column
+     * @return array
+     */
+    public function groupByColumn(array $collection, $column)
+    {
+        $result = array();
+
+        foreach ($collection as $item) {
+            $result[$item[$column]][] = $item;
+        }
+
+        return $result;
+    }
 }