Handle notifications for group members attached to a project

ChangeLog

@@ -9,6 +9,7 @@ New features:
 
 Improvements:
 
+* Handle notification for group members attached to a project
 * Return the highest role for a project when a user is member of multiple groups
 * Show in user interface the saving state of the task
 * Add dropdown menu for subtasks, categories, swimlanes, columns, custom filters, task links and groups

app/Model/ProjectGroupRole.php

@@ -101,10 +101,10 @@ class ProjectGroupRole extends Base
      */
     public function getAssignableUsers($project_id)
     {
-        return $this->db->table(self::TABLE)
+        return $this->db->table(User::TABLE)
             ->columns(User::TABLE.'.id', User::TABLE.'.username', User::TABLE.'.name')
-            ->join(GroupMember::TABLE, 'group_id', 'group_id', self::TABLE)
+            ->join(GroupMember::TABLE, 'user_id', 'id', User::TABLE)
-            ->join(User::TABLE, 'id', 'user_id', GroupMember::TABLE)
+            ->join(self::TABLE, 'group_id', 'group_id', GroupMember::TABLE)
             ->eq(self::TABLE.'.project_id', $project_id)
             ->in(self::TABLE.'.role', array(Role::PROJECT_MANAGER, Role::PROJECT_MEMBER))
             ->asc(User::TABLE.'.username')

app/Model/UserNotification.php

@@ -71,7 +71,17 @@ class UserNotification extends Base
             return $this->getEverybodyWithNotificationEnabled($exclude_user_id);
         }
 
-        return $this->getProjectMembersWithNotificationEnabled($project_id, $exclude_user_id);
+        $users = array();
+        $members = $this->getProjectUserMembersWithNotificationEnabled($project_id, $exclude_user_id);
+        $groups = $this->getProjectGroupMembersWithNotificationEnabled($project_id, $exclude_user_id);
+
+        foreach (array_merge($members, $groups) as $user) {
+            if (! isset($users[$user['id']])) {
+                $users[$user['id']] = $user;
+            }
+        }
+
+        return array_values($users);
     }
 
     /**
@@ -142,14 +152,14 @@ class UserNotification extends Base
     }
 
     /**
-     * Get a list of project members with notification enabled
+     * Get a list of group members with notification enabled
      *
      * @access private
      * @param  integer   $project_id        Project id
      * @param  integer   $exclude_user_id   User id to exclude
      * @return array
      */
-    private function getProjectMembersWithNotificationEnabled($project_id, $exclude_user_id)
+    private function getProjectUserMembersWithNotificationEnabled($project_id, $exclude_user_id)
     {
         return $this->db
             ->table(ProjectUserRole::TABLE)
@@ -161,6 +171,19 @@ class UserNotification extends Base
             ->findAll();
     }
 
+    private function getProjectGroupMembersWithNotificationEnabled($project_id, $exclude_user_id)
+    {
+        return $this->db
+            ->table(ProjectGroupRole::TABLE)
+            ->columns(User::TABLE.'.id', User::TABLE.'.username', User::TABLE.'.name', User::TABLE.'.email', User::TABLE.'.language', User::TABLE.'.notifications_filter')
+            ->join(GroupMember::TABLE, 'group_id', 'group_id', ProjectGroupRole::TABLE)
+            ->join(User::TABLE, 'id', 'user_id', GroupMember::TABLE)
+            ->eq(ProjectGroupRole::TABLE.'.project_id', $project_id)
+            ->eq(User::TABLE.'.notifications_enabled', '1')
+            ->neq(User::TABLE.'.id', $exclude_user_id)
+            ->findAll();
+    }
+
     /**
      * Get a list of project members with notification enabled
      *

tests/units/Model/UserNotificationTest.php

@@ -7,11 +7,14 @@ use Kanboard\Model\TaskCreation;
 use Kanboard\Model\Subtask;
 use Kanboard\Model\Comment;
 use Kanboard\Model\User;
+use Kanboard\Model\Group;
+use Kanboard\Model\GroupMember;
 use Kanboard\Model\File;
 use Kanboard\Model\Project;
 use Kanboard\Model\ProjectPermission;
 use Kanboard\Model\Task;
 use Kanboard\Model\ProjectUserRole;
+use Kanboard\Model\ProjectGroupRole;
 use Kanboard\Model\UserNotification;
 use Kanboard\Model\UserNotificationFilter;
 use Kanboard\Model\UserNotificationType;
@@ -98,6 +101,42 @@ class UserNotificationTest extends Base
         $this->assertEquals(array(1), $settings['notification_projects']);
     }
 
+    public function testGetGroupMembersWithNotificationEnabled()
+    {
+        $userModel = new User($this->container);
+        $groupModel = new Group($this->container);
+        $groupMemberModel = new GroupMember($this->container);
+        $projectModel = new Project($this->container);
+        $userNotificationModel = new UserNotification($this->container);
+        $projectGroupRole = new ProjectGroupRole($this->container);
+        $projectUserRole = new ProjectUserRole($this->container);
+
+        $this->assertEquals(2, $userModel->create(array('username' => 'user1', 'email' => 'user1@here', 'notifications_enabled' => 1)));
+        $this->assertEquals(3, $userModel->create(array('username' => 'user2', 'email' => '', 'notifications_enabled' => 1)));
+        $this->assertEquals(4, $userModel->create(array('username' => 'user3')));
+
+        $this->assertEquals(1, $groupModel->create('G1'));
+        $this->assertEquals(2, $groupModel->create('G2'));
+
+        $this->assertTrue($groupMemberModel->addUser(1, 2));
+        $this->assertTrue($groupMemberModel->addUser(1, 3));
+        $this->assertTrue($groupMemberModel->addUser(1, 4));
+        $this->assertTrue($groupMemberModel->addUser(2, 2));
+        $this->assertTrue($groupMemberModel->addUser(2, 3));
+
+        $this->assertEquals(1, $projectModel->create(array('name' => 'P1')));
+
+        $this->assertTrue($projectGroupRole->addGroup(1, 1, Role::PROJECT_MEMBER));
+        $this->assertTrue($projectGroupRole->addGroup(1, 2, Role::PROJECT_VIEWER));
+
+        $this->assertTrue($projectUserRole->addUser(1, 2, Role::PROJECT_MEMBER));
+
+        $users = $userNotificationModel->getUsersWithNotificationEnabled(1);
+        $this->assertCount(2, $users);
+        $this->assertEquals('user1', $users[0]['username']);
+        $this->assertEquals('user2', $users[1]['username']);
+    }
+
     public function testGetProjectMembersWithNotifications()
     {
         $u = new User($this->container);