static function resultGrouping(TBGIssue $issue, $groupby, $cc, $prevgroup_id)
 {
     $i18n = TBGContext::getI18n();
     $showtablestart = false;
     $showheader = false;
     $groupby_id = 0;
     $groupby_description = '';
     if ($cc == 1) {
         $showtablestart = true;
     }
     if ($groupby != '') {
         switch ($groupby) {
             case 'category':
                 if ($issue->getCategory() instanceof TBGCategory) {
                     $groupby_id = $issue->getCategory()->getID();
                     $groupby_description = $issue->getCategory()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('Unknown');
                 }
                 break;
             case 'status':
                 if ($issue->getStatus() instanceof TBGStatus) {
                     $groupby_id = $issue->getStatus()->getID();
                     $groupby_description = $issue->getStatus()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('Unknown');
                 }
                 break;
             case 'severity':
                 if ($issue->getSeverity() instanceof TBGSeverity) {
                     $groupby_id = $issue->getSeverity()->getID();
                     $groupby_description = $issue->getSeverity()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('Unknown');
                 }
                 break;
             case 'resolution':
                 if ($issue->getResolution() instanceof TBGResolution) {
                     $groupby_id = $issue->getResolution()->getID();
                     $groupby_description = $issue->getResolution()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('Unknown');
                 }
                 break;
             case 'edition':
                 if ($issue->getEditions()) {
                     $groupby_id = $issue->getFirstAffectedEdition()->getID();
                     $groupby_description = $issue->getFirstAffectedEdition()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('None');
                 }
                 break;
             case 'build':
                 if ($issue->getBuilds()) {
                     $groupby_id = $issue->getFirstAffectedBuild()->getID();
                     $groupby_description = $issue->getFirstAffectedBuild()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('None');
                 }
                 break;
             case 'component':
                 if ($issue->getComponents()) {
                     $groupby_id = $issue->getFirstAffectedComponent()->getID();
                     $groupby_description = $issue->getFirstAffectedComponent()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('None');
                 }
                 break;
             case 'priority':
                 if ($issue->getPriority() instanceof TBGPriority) {
                     $groupby_id = $issue->getPriority()->getID();
                     $groupby_description = $issue->getPriority()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('Unknown');
                 }
                 break;
             case 'issuetype':
                 if ($issue->getIssueType() instanceof TBGIssuetype) {
                     $groupby_id = $issue->getIssueType()->getID();
                     $groupby_description = $issue->getIssueType()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('Unknown');
                 }
                 break;
             case 'milestone':
                 if ($issue->getMilestone() instanceof TBGMilestone) {
                     $groupby_id = $issue->getMilestone()->getID();
                     $groupby_description = $issue->getMilestone()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('Not targetted');
                 }
                 break;
             case 'assignee':
                 if ($issue->getAssignee() instanceof TBGIdentifiableClass) {
                     $groupby_id = $issue->getAssigneeID();
                     $groupby_description = $issue->getAssignee()->getName();
                 } else {
                     $groupby_id = 0;
                     $groupby_description = $i18n->__('Not assigned');
                 }
                 break;
             case 'state':
                 if ($issue->isClosed()) {
                     $groupby_id = TBGIssue::STATE_CLOSED;
                     $groupby_description = $i18n->__('Closed');
                 } else {
                     $groupby_id = TBGIssue::STATE_OPEN;
                     $groupby_description = $i18n->__('Open');
                 }
                 break;
         }
         if ($groupby_id !== $prevgroup_id) {
             $showtablestart = true;
             $showheader = true;
         }
         $prevgroup_id = $groupby_id;
     }
     return array($showtablestart, $showheader, $prevgroup_id, $groupby_description);
 }
 protected function _getIssueRelatedUsers(TBGIssue $issue)
 {
     $uids = array();
     $cu = TBGContext::getUser()->getID();
     $ns = $this->getSetting(self::NOTIFY_ISSUE_UPDATED_SELF, $cu);
     // Add all users who's marked this issue as interesting
     $uids = TBGUserIssuesTable::getTable()->getUserIDsByIssueID($issue->getID());
     // Add all users from the team owning the issue if valid
     // or add the owning user if a user owns the issue
     if ($issue->getOwnerType() == TBGIdentifiableClass::TYPE_TEAM) {
         foreach ($issue->getOwner()->getMembers() as $member) {
             if ($member->getID() == $cu && !$ns) {
                 continue;
             }
             $uids[$member->getID()] = $member->getID();
         }
     } elseif ($issue->getOwnerType() == TBGIdentifiableClass::TYPE_USER) {
         if (!($issue->getOwnerID() == $cu && !$ns)) {
             $uids[$issue->getOwnerID()] = $issue->getOwnerID();
         }
     }
     // Add the poster
     if ($this->getSetting(self::NOTIFY_ISSUE_POSTED_UPDATED, $issue->getPostedByID())) {
         if (!($issue->getPostedByID() == $cu && !$ns)) {
             $uids[$issue->getPostedByID()] = $issue->getPostedByID();
         }
     }
     // Add all users from the team assigned to the issue if valid
     // or add the assigned user if a user is assigned to the issue
     if ($issue->getAssigneeType() == TBGIdentifiableClass::TYPE_TEAM) {
         // Get team member IDs
         foreach ($issue->getAssignee()->getMembers() as $member) {
             if ($member->getID() == $cu && !$ns) {
                 continue;
             }
             if (!$this->getSetting(self::NOTIFY_ISSUE_TEAMASSIGNED_UPDATED, $member->getID())) {
                 continue;
             }
             $uids[$member->getID()] = $member->getID();
         }
     } elseif ($issue->getAssigneeType() == TBGIdentifiableClass::TYPE_USER) {
         if (!($issue->getAssigneeID() == $cu && !$ns) && !!$this->getSetting(self::NOTIFY_ISSUE_ASSIGNED_UPDATED, $issue->getAssigneeID())) {
             $uids[$issue->getAssigneeID()] = $issue->getAssigneeID();
         }
     }
     // Add all users in the team who leads the project, if valid
     // or add the user who leads the project, if valid
     if ($issue->getProject()->getLeaderType() == TBGIdentifiableClass::TYPE_TEAM) {
         foreach ($issue->getProject()->getLeader()->getMembers() as $member) {
             if ($member->getID() == $cu && !$ns) {
                 continue;
             }
             if (!$this->getSetting(self::NOTIFY_ISSUE_RELATED_PROJECT_TEAMASSIGNED, $member->getID())) {
                 continue;
             }
             $uids[$member->getID()] = $member->getID();
         }
     } elseif ($issue->getProject()->getLeaderType() == TBGIdentifiableClass::TYPE_USER) {
         if (!($issue->getProject()->getLeaderID() == $cu && !$ns) && !!$this->getSetting(self::NOTIFY_ISSUE_PROJECT_ASSIGNED, $issue->getProject()->getLeaderID())) {
             $uids[$issue->getProject()->getLeaderID()] = $issue->getProject()->getLeaderID();
         }
     }
     // Same for QA
     if ($issue->getProject()->getQaResponsibleType() == TBGIdentifiableClass::TYPE_TEAM) {
         foreach ($issue->getProject()->getQaResponsible()->getMembers() as $member) {
             if ($member->getID() == $cu && !$ns) {
                 continue;
             }
             if (!$this->getSetting(self::NOTIFY_ISSUE_RELATED_PROJECT_TEAMASSIGNED, $member->getID())) {
                 continue;
             }
             $uids[$member->getID()] = $member->getID();
         }
     } elseif ($issue->getProject()->getQaResponsibleType() == TBGIdentifiableClass::TYPE_USER) {
         if (!($issue->getProject()->getQaResponsibleID() == $cu && !$ns) && !!$this->getSetting(self::NOTIFY_ISSUE_PROJECT_ASSIGNED, $issue->getProject()->getQaResponsibleID())) {
             $uids[$issue->getProject()->getQaResponsibleID()] = $issue->getProject()->getQaResponsibleID();
         }
     }
     foreach ($issue->getProject()->getAssignedTeams() as $team_id => $assignments) {
         foreach (TBGContext::factory()->TBGTeam($team_id)->getMembers() as $member) {
             if ($member->getID() == $cu && !$ns) {
                 continue;
             }
             if (!$this->getSetting(self::NOTIFY_ISSUE_RELATED_PROJECT_TEAMASSIGNED, $member->getID())) {
                 continue;
             }
             $uids[$member->getID()] = $member->getID();
         }
     }
     foreach ($issue->getProject()->getAssignedUsers() as $user_id => $assignments) {
         $member = TBGContext::factory()->TBGUser($user_id);
         if (!($member->getID() == $cu && !$ns) && !!$this->getSetting(self::NOTIFY_ISSUE_PROJECT_ASSIGNED, $member->getID())) {
             $uids[$member->getID()] = $member->getID();
         }
     }
     // Add all users relevant for all affected editions
     foreach ($issue->getEditions() as $edition_list) {
         if ($edition_list['edition']->getLeaderType() == TBGIdentifiableClass::TYPE_TEAM) {
             foreach ($edition_list['edition']->getLeader()->getMembers() as $member) {
                 if ($member->getID() == $cu && !$ns) {
                     continue;
                 }
                 if (!$this->getSetting(self::NOTIFY_ISSUE_RELATED_PROJECT_TEAMASSIGNED, $member->getID())) {
                     continue;
                 }
                 $uids[$member->getID()] = $member->getID();
             }
         } elseif ($edition_list['edition']->getLeaderType() == TBGIdentifiableClass::TYPE_USER) {
             if (!($edition_list['edition']->getLeaderID() == $cu && !$ns) && !!$this->getSetting(self::NOTIFY_ISSUE_PROJECT_ASSIGNED, $edition_list['edition']->getLeaderID())) {
                 $uids[$edition_list['edition']->getLeaderID()] = $edition_list['edition']->getLeaderID();
             }
         }
         if ($edition_list['edition']->getQaResponsibleType() == TBGIdentifiableClass::TYPE_TEAM) {
             foreach ($edition_list['edition']->getQaResponsible()->getMembers() as $member) {
                 if ($member->getID() == $cu && !$ns) {
                     continue;
                 }
                 if (!$this->getSetting(self::NOTIFY_ISSUE_RELATED_PROJECT_TEAMASSIGNED, $member->getID())) {
                     continue;
                 }
                 $uids[$member->getID()] = $member->getID();
             }
         } elseif ($edition_list['edition']->getQaResponsibleType() == TBGIdentifiableClass::TYPE_USER) {
             if (!($edition_list['edition']->getQaResponsibleID() == $cu && !$ns) && !!$this->getSetting(self::NOTIFY_ISSUE_PROJECT_ASSIGNED, $edition_list['edition']->getQaResponsibleID())) {
                 $uids[$edition_list['edition']->getQaResponsibleID()] = $edition_list['edition']->getQaResponsibleID();
             }
         }
         foreach ($edition_list['edition']->getAssignedTeams() as $team_id => $assignments) {
             foreach (TBGContext::factory()->TBGTeam($team_id)->getMembers() as $member) {
                 if ($member->getID() == $cu && !$ns) {
                     continue;
                 }
                 if (!$this->getSetting(self::NOTIFY_ISSUE_RELATED_PROJECT_TEAMASSIGNED, $member->getID())) {
                     continue;
                 }
                 $uids[$member->getID()] = $member->getID();
             }
         }
         foreach ($edition_list['edition']->getAssignedUsers() as $user_id => $assignments) {
             $member = TBGContext::factory()->TBGUser($user_id);
             if ($member->getID() == $cu && !$ns) {
                 continue;
             }
             if (!$this->getSetting(self::NOTIFY_ISSUE_PROJECT_ASSIGNED, $member->getID())) {
                 continue;
             }
             $uids[$member->getID()] = $member->getID();
         }
     }
     // Add all users relevant for all affected components
     foreach ($issue->getComponents() as $component_list) {
         foreach ($component_list['component']->getAssignedTeams() as $team_id => $assignments) {
             foreach (TBGContext::factory()->TBGTeam($team_id)->getMembers() as $member) {
                 if ($member->getID() == $cu && !$ns) {
                     continue;
                 }
                 if (!$this->getSetting(self::NOTIFY_ISSUE_RELATED_PROJECT_TEAMASSIGNED, $member->getID())) {
                     continue;
                 }
                 $uids[$member->getID()] = $member->getID();
             }
         }
         foreach ($component_list['component']->getAssignedUsers() as $user_id => $assignments) {
             $member = TBGContext::factory()->TBGUser($user_id);
             if ($member->getID() == $cu && !$ns) {
                 continue;
             }
             if (!$this->getSetting(self::NOTIFY_ISSUE_PROJECT_ASSIGNED, $member->getID())) {
                 continue;
             }
             $uids[$member->getID()] = $member->getID();
         }
     }
     foreach ($uids as $uid => $val) {
         if ($this->getSetting(self::NOTIFY_ISSUE_ONCE, $uid)) {
             if ($this->getSetting(self::NOTIFY_ISSUE_ONCE . '_' . $issue->getID(), $uid)) {
                 unset($uids[$uid]);
                 continue;
             } else {
                 $this->saveSetting(self::NOTIFY_ISSUE_ONCE . '_' . $issue->getID(), 1, $uid);
             }
         }
         $uids[$uid] = TBGContext::factory()->TBGUser($uid);
     }
     return $uids;
 }