Add web notifications

app/Model/OverdueNotification.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Model;
+
+/**
+ * Task Overdue Notification model
+ *
+ * @package  model
+ * @author   Frederic Guillot
+ */
+class OverdueNotification extends Base
+{
+    /**
+     * Send overdue tasks
+     *
+     * @access public
+     */
+    public function sendOverdueTaskNotifications()
+    {
+        $tasks = $this->taskFinder->getOverdueTasks();
+
+        foreach ($this->groupByColumn($tasks, 'project_id') as $project_id => $project_tasks) {
+
+            // Get the list of users that should receive notifications for each projects
+            $users = $this->notification->getUsersWithNotificationEnabled($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->notificationFilter->shouldReceiveNotification($user, array('task' => $task))) {
+                $user_tasks[] = $task;
+            }
+        }
+
+        if (! empty($user_tasks)) {
+            $this->notification->sendUserNotification(
+                $user,
+                Task::EVENT_OVERDUE,
+                array('tasks' => $user_tasks, 'project_name' => $tasks[0]['project_name'])
+            );
+        }
+    }
+}