<? php
/*
 * Copyright (c) 2011 - OpenSLX GmbH, RZ Uni Freiburg
* This program is free software distributed under the GPL version 2.
* See http://gpl.openslx.org/
*
* If you have any feedback please consult http://feedback.openslx.org/ and
* send your suggestions, praise, or complaints to feedback@openslx.org
*
* General information about OpenSLX can be found at http://openslx.org/
*/

class user_PersonController extends Zend_Controller_Action {

  protected $person = null;
  protected $personmapper = null;
  protected $membershipMapper = null;
  protected $memberships = null;
  protected $groupMapper = null;
  protected $groups = null;
  protected $groupRequestMapper = null;
  protected $userIDsNamespace = null;

  public function init() {
    if (Zend_Auth::getInstance()->hasIdentity()) {
      $this->personmapper = new Application_Model_PersonMapper();
      $this->userIDsNamespace = Zend_Session::namespaceGet('userIDs');
      if(isset($this->userIDsNamespace['personID'])) {
        $this->person = $this->personmapper->find($this->userIDsNamespace['personID']);
      } else {
        $result = $this->personmapper->findBy(array('email' => Zend_Auth::getInstance()->getIdentity()), true);
        $this->person = new Application_Model_Person($result[0]);
        $this->person->setID($result[0]['personID']);
      }
      $this->groupMapper = new Application_Model_GroupMapper();
      $this->groupRequestMapper = new Application_Model_GroupRequestMapper();
      $this->membershipMapper = new Application_Model_MembershipMapper();
      $this->memberships = $this->membershipMapper->findBy(array("personID" => $this->person->getID()), true);

      $rightrolesMapper = new Application_Model_RightRolesMapper();
      $rightroles = new Application_Model_RightRoles();
      $role = new Application_Model_Role();
      $roleMapper = new Application_Model_RoleMapper();

      $this->view->apikeys = array();

      if(isset($this->memberships)) {
        foreach($this->memberships as $membership) {
          $group = $this->groupMapper->find($membership['groupID']);
          list($rightroles) = $rightrolesMapper->findBy(array('rightID' => '55', 'roleID' => $membership['roleID']));
          $role = $roleMapper->find($membership['roleID']);
          if($rightroles != null)
            { $this->view->apikeys[$group->getID()] = $membership['apikey']; }

          $this->groups[] = array (
                              'groupID'  => $group->getID(),
                              'title' => $group->getTitle(),
                              'description' => $group->getDescription(),
                              'membershipID' => $membership['membershipID'],
                              'role' => $role->getTitle()
                            );
        }
      }
    } else {
      $this->_helper->redirector('login', 'auth');
      return;
    }
  }

  public function indexAction() {
    if(!Pbs_Acl::checkRight('pso')) {
      $this->_redirect('/user');
    }
    $this->view->showRight = true;//Pbs_Acl::checkRight('psod');
    $this->view->editRight = Pbs_Acl::checkRight('peod');
    $this->view->deleteRight = Pbs_Acl::checkRight('pdo');
    $this->view->showOtherRight = Pbs_Acl::checkRight('psood');
    $this->view->editOtherRight = Pbs_Acl::checkRight('peoa');
    $this->view->deleteOtherRight = Pbs_Acl::checkRight('pd');
    $this->view->suspendRight = Pbs_Acl::checkRight('psa');
    $this->view->userIDsNamespace = $this->userIDsNamespace;

    $result = $this->_request->getParam('deleteresult');
    if($result != "") {
      $pbsNotifier = new Pbs_Notifier();
      $this->view->notification = $pbsNotifier->notify('delete', $result);
    }
    $result = $this->_request->getParam('modifyresult');
    if($result != "") {
      $pbsNotifier = new Pbs_Notifier();
      $this->view->notification = $pbsNotifier->notify('modify', $result);
    }
    $result = $this->_request->getParam('addresult');
    if($result != "") {
      $pbsNotifier = new Pbs_Notifier();
      $this->view->notification = $pbsNotifier->notify('create', $result);
    }


    $this->view->personList = $this->personmapper->fetchAll();

    // Search
    $search = $this->_request->getParam('search');
    $mySearch = new Pbs_Search();
    $mySearch->setSearchTerm($search);
    $mySearch->setModule('person');
    if($search != '') {
      $this->view->search = $mySearch->getSearchTerm();
      $this->view->personList = $mySearch->search($this->view->personList);
    }
    $this->view->searchform = $mySearch->searchForm();

    // Pagination
    $pagination = new Pbs_Pagination();
    $pagination->setPerPage(10);
    $pagination->setElement($this->view->personList);
    $pagination->setRequestPage($this->_request->getParam('page'));
    $pagination->setPageUrl('/user/person/index/'.((isset($this->view->search)) ? '/search/'.$this->view->search : ''));

    $this->view->personList = $pagination->getElements();
    $this->view->pagination = $pagination->pagination();
    $this->view->page     = $pagination->getRequestPage();
  }

  public function owndetailsAction() {
#if(!Pbs_Acl::checkRight('psod')) {
# $this->_redirect('/user');
#}
    $this->view->person = $this->person;
    $groupRequests = $this->groupRequestMapper->findBy(array('personID' => $this->person->getID()), true);
    if(isset($groupRequests)) {
      $groupRequestList = array();
      foreach($groupRequests as $groupRequest) {
        $group = $this->groupMapper->find($groupRequest['groupID']);
        $groupRequestList[] = array(
                                'grouprequestID' => $groupRequest['grouprequestID'],
                                'group' => $group
                              );
      }
      if(count($groupRequestList) > 0) {
        $this->view->groupRequestList = $groupRequestList;
      }
    }
    // Pagination
    $pagination = new Pbs_Pagination();
    $pagination->setPerPage(10);
    $pagination->setElement($this->groups);
    $pagination->setRequestPage($this->_request->getParam('page'));
    $pagination->setPageUrl('/user/person/index' .((isset($this->view->search)) ? '/search/'.$this->view->search : ''));

    $this->view->groups = $pagination->getElements();
    $this->view->pagination = $pagination->pagination();
    $this->view->page     = $pagination->getRequestPage();
    // This should be activated in case the person has no membership and no rights.
    $this->view->groupRequestRight = true;
    $this->view->editRight = Pbs_Acl::checkRight('peod');
    $this->view->leaveRight = Pbs_Acl::checkRight('gl');
    $this->view->suspendRight = Pbs_Acl::checkRight('psa');
    $this->view->userIDsNamespace = Zend_Session::namespaceGet('userIDs');
  }

  public function editAction() {
    if(!Pbs_Acl::checkRight('peod')) {
      $this->_redirect('/user');
    }
    $requestedUser = $this->_request->getParam('personID');
    if($requestedUser != "" && $this->person->getID() != $requestedUser) {
      if(!is_numeric($requestedUser)) {
        $this->_redirect('/user/person/index/page/'.$this->page.'/modifyresult/error');
      }
      if(!Pbs_Acl::checkRight('peoa')) {
        $this->_redirect('/user/person/index/page/'.$this->page.'/modifyresult/forbidden');
      }
      $person = $this->personmapper->find($requestedUser);
      $this->view->person = $person;
    } else {
      $this->view->person = $this->person;
    }
    if (!isset($_POST["save"])) {
      $editForm = new user_Form_PersonEdit();
    } else {
      $editForm = new user_Form_PersonEdit($_POST);
      if ($editForm->isValid($_POST)) {
        if($this->person->getID() == $requestedUser) {
          $person->setOptions($_POST);
          $this->person->setID($this->view->person->getID());
          if($_POST['newpassword'] != '') {
            $person->setPassword($_POST['newpassword']);
            $person->setPasswordSalt(MD5(microtime(true)));
            $person->setLoginPassword(crypt($person->getPassword(), '$6$'.randomString(8).'$'));
            $person->setPassword(MD5($person->getPassword() . $person->getPasswordSalt()));
          }
          try {
            $this->personmapper->save($person);
          } catch(Zend_Exception $e) {
            $pbsNotifier = new Pbs_Notifier();
            $this->view->notification = $pbsNotifier->notify('Email already registered', 'error');
            $this->view->registerForm = $registerForm;
            return;
          }
          $this->_helper->redirector('', 'person');
        } else {
          $this->person->setOptions($_POST);
          $this->person->setID($this->view->person->getID());
          if($_POST['newpassword'] != '') {
            $this->person->setPassword($_POST['newpassword']);
            $this->person->setPasswordSalt(MD5(microtime(true)));
            $this->person->setLoginPassword(crypt($this->person->getPassword(), '$6$'.randomString(8).'$'));
            $this->person->setPassword(MD5($this->person->getPassword() . $this->person->getPasswordSalt()));
          }
          try {
            $this->personmapper->save($this->person);
          } catch(Zend_Exception $e) {
            $pbsNotifier = new Pbs_Notifier();
            $this->view->notification = $pbsNotifier->notify('Email already registered', 'error');
            $this->view->registerForm = $registerForm;
            return;
          }
          $this->_helper->redirector('index', 'person');
        }
        return;
      }
    }
    $this->view->editForm = $editForm;
  }

  public function requestAction() {
#if(!Pbs_Acl::checkRight('grm')) {
# $this->_redirect('/user');
#}
    $this->view->person = $this->person;
    $allgroups = $this->groupMapper->fetchAll();
    $groupRequests = $this->groupRequestMapper->findBy(array('personID' => $this->person->getID()), true);
    $count = 0;
    foreach($allgroups as $group) {
      foreach($groupRequests as $groupRequest) {
        if($groupRequest['groupID'] == $group->getID()) {
          $groupsFound[$count] = true;
        } else {
          $groupsFound[$count] = false;
        }
      }
      foreach($this->memberships as $membership) {
        if($membership['groupID'] == $group->getID()) {
          $groupsFound[$count] = true;
        } else {
          if(isset($groupsFound[$count]) && $groupsFound[$count] != true) {
            $groupsFound[$count] = false;
          }
        }
      }
      $count++;
    }
    if(count($groupsFound) > 0) {
      foreach($groupsFound as $k => $v) {
        if($v == true) {
          unset($allgroups[$k]);
        }
      }
    }
    if (!isset($_POST["request"])) {
      if(count($allgroups) <= 0) {
        $this->_helper->redirector('owndetails', 'person');
        return;
      }
      $requestForm = new user_Form_GroupRequest(array('grouplist' => $allgroups));
    } else {
      $requestForm = new user_Form_GroupRequest(array('grouplist' => $allgroups), $_POST);
      if ($requestForm->isValid($_POST)) {
        $groupRequestMapper = new Application_Model_GroupRequestMapper();
        $groupRequest = new Application_Model_GroupRequest();
        $groupRequest->setGroupID($_POST['groupID']);
        $date = new DateTime();
        $groupRequest->setTime($date->getTimestamp());
        $groupRequest->setPersonID($this->person->getID());
        foreach($groupRequests as $groupRequestDB) {
          if($groupRequestDB['groupID'] == $groupRequest->getGroupID()) {
            $requestFound = true;
            break;
          }
        }
        if(!$requestFound) {
          try {
            $groupRequestMapper->save($groupRequest);
          } catch(Zend_Exception $e) {
            echo "Caught exception: " . get_class($e) . "<br/>";
            echo "Message: " . $e->getMessage() . "<br/>";
            return;
          }
        }
        $this->_helper->redirector('owndetails', 'person');
        return;
      }
    }
    $this->view->requestForm = $requestForm;
  }

  public function leaveAction() {
    if(!Pbs_Acl::checkRight('gl')) {
      $this->_redirect('/user');
    }
    $this->_helper-> viewRenderer-> setNoRender();
    $this->view->person = $this->person;
    $membershipID = $this->_request->getParam('membershipID');
    if(isset($membershipID)) {
      $membership = $this->membershipMapper->find($membershipID);
      try {
        $this->membershipMapper->delete($membership);
      } catch(Zend_Exception $e) {
        echo "Caught exception: " . get_class($e) . "<br/>";
        echo "Message: " . $e->getMessage() . "<br/>";
        return;
      }
      $this->_helper->redirector('owndetails', 'person');
      return;
    }
  }

  public function selectmembershipAction() {
    $userIDsNamespace = Zend_Session::namespaceGet('userIDs');
    if(isset($userIDsNamespace['membershipID'])) {
      $this->_redirect('/user/');
    } else {
      if(count($this->memberships) == 1) {
        $myMembership = $this->memberships[0];
        $roleSession = new Zend_Session_Namespace('userIDs');
        $roleSession->membershipID = $myMembership['membershipID'];
        $roleSession->personID = $myMembership['personID'];
        $roleSession->groupID = $myMembership['groupID'];
        $roleSession->roleID = $myMembership['roleID'];
        $this->_redirect('/user/');
      }
      elseif(count($this->memberships) > 1) {
        if(isset($_POST['selectmembership'])) {
          $roleSession = new Zend_Session_Namespace('userIDs');
          $roleSession->membershipID = $_POST['membershipID'];
          $roleSession->personID = $this->person->getID();
          $membership = $this->membershipMapper->find($_POST['membershipID']);
          $roleSession->groupID = $membership->getGroupID();
          $roleSession->roleID = $membership->getRoleID();
          $this->_redirect('/user/');
          return;
        } else {
          $groupMapper = new Application_Model_GroupMapper();
          $roleMapper = new Application_Model_RoleMapper();
          if(isset($this->memberships)) {
            $suspendlist = array();
            foreach($this->memberships as $membership) {
              $group = $groupMapper->find($membership['groupID']);
              $role = $roleMapper->find($membership['roleID']);
              if($membership['suspend'] == 0) {
                $membershipList[] = array(
                                      'membershipID' => $membership['membershipID'],
                                      'group' => $group->getTitle(),
                                      'role' => $role->getTitle()
                                    );
              } else {
                $suspendlist[] = array(
                                   'membershipID' => $membership['membershipID'],
                                   'group' => $group->getTitle(),
                                   'role' => $role->getTitle());
              }

            }
            if(count($suspendlist) >= 1) {
              $pbsNotifier = new Pbs_Notifier();
              $this->view->notification = $pbsNotifier->notify("Actually ".count($suspendlist)." Memberships are suspended", 'error' );
            }
          }
          $membershipSelectForm = new user_Form_MembershipSelect(array('membershiplist' => $membershipList));
          $this->view->membershipSelectForm = $membershipSelectForm;
        }
      }
      else {
        $this->_helper->redirector('request', 'person');
      }
    }
  }

  public function changemembershipAction() {
    $this->_helper-> viewRenderer-> setNoRender();
    Zend_Session::namespaceUnset('userIDs');
    $this->_helper->redirector('selectmembership', 'person');
    return;
  }

  public function searchAction() {
    if(!Pbs_Acl::checkRight('pso')) {
      $this->_redirect('/user');
    }
    $this->_redirect('/user/person/index/search/'.($_GET['search']));
  }

  public function showAction() {
    if(!Pbs_Acl::checkRight('psood')) {
      $this->_redirect('/user');
    }
    $personID = $this->_request->getParam('personID');
    if($personID) {
      $person = $this->personmapper->find($personID);
      $memberships = $this->membershipMapper->findBy(array("personID" => $person->getID()), true);
      if(isset($memberships)) {
        foreach($memberships as $membership) {
          $group = $this->groupMapper->find($membership['groupID']);
          $groups[] = array (
                        'groupID'  => $group->getID(),
                        'title' => $group->getTitle(),
                        'description' => $group->getDescription(),
                        'membershipID' => $membership['membershipID']
                      );
        }
      }
      $this->view->person = $person;
      $groupRequests = $this->groupRequestMapper->findBy(array('personID' => $person->getID()), true);
      if(isset($groupRequests)) {
        foreach($groupRequests as $groupRequest) {
          $group = $this->groupMapper->find($groupRequest['groupID']);
          $groupRequestList[] = array(
                                  'grouprequestID' => $groupRequest['grouprequestID'],
                                  'group' => $group
                                );
        }
        if(is_array($groupRequestList)) {
          $this->view->groupRequestList = $groupRequestList;
        }
      }
      // Pagination
      $pagination = new Pbs_Pagination();
      $pagination->setPerPage(10);
      $pagination->setElement($groups);
      $pagination->setRequestPage($this->_request->getParam('page'));
      $pagination->setPageUrl('/user/person/show/personID/' . $personID .((isset($this->view->search)) ? '/search/'.$this->view->search : ''));

      $this->view->groups = $pagination->getElements();
      $this->view->pagination = $pagination->pagination();
      $this->view->page     = $pagination->getRequestPage();
      $this->view->personID = $personID;
      $this->view->editRight = Pbs_Acl::checkRight('peoa');
      $this->view->deleteRight = Pbs_Acl::checkRight('pd');
      $this->view->suspendRight = Pbs_Acl::checkRight('psa');
      $this->view->userIDsNamespace = Zend_Session::namespaceGet('userIDs');
    } else {
      $this->_helper->redirector('', 'person');
      return;
    }
  }

  public function deleterequestAction() {
    if(!Pbs_Acl::checkRight('gdm')) {
      $this->_redirect('/user');
    }
    $grouprequestID = $this->_request->getParam('grouprequestID');
    $grouprequest = $this->groupRequestMapper->find($grouprequestID);
    try {
      $this->groupRequestMapper->delete($grouprequest);
    } catch(Zend_Exception $e) {
      echo "Caught exception: " . get_class($e) . "<br/>";
      echo "Message: " . $e->getMessage() . "<br/>";
      return;
    }
    $this->_helper->redirector('owndetails', 'person');
    return;
  }

  public function suspendAction() {
    if(!Pbs_Acl::checkRight('psa')) {
      $this->_redirect('/user');
    }
    $this->_helper->viewRenderer->setNoRender();
    $personID = $this->_request->getParam('personID');
    if(isset($personID)) {
      $person = $this->personmapper->find($personID);
      $person->setSuspend(1);
      if(isset($person)) {
        try {
          $this->personmapper->save($person);
        } catch(Zend_Exception $e) {
          echo "Caught exception: " . get_class($e) . "<br/>";
          echo "Message: " . $e->getMessage() . "<br/>";
          return;
        }
        $this->_redirect("/user/person/");
      }
    }
  }

  public function resumeAction() {
    if(!Pbs_Acl::checkRight('psa')) {
      $this->_redirect('/user');
    }
    $this->_helper->viewRenderer->setNoRender();
    $personID = $this->_request->getParam('personID');
    if(isset($personID)) {
      $person = $this->personmapper->find($personID);
      $person->setSuspend(0);
      if(isset($person)) {
        try {
          $this->personmapper->save($person);
        } catch(Zend_Exception $e) {
          echo "Caught exception: " . get_class($e) . "<br/>";
          echo "Message: " . $e->getMessage() . "<br/>";
          return;
        }
        $this->_redirect("/user/person/");
      }
    }
  }
}