<?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_RoleController extends Zend_Controller_Action {
  protected $userIDsNamespace = null;
  protected $membership;
  protected $membershipMapper;

  public function init() {
    if (Zend_Auth::getInstance()->hasIdentity()) {
      $this->userIDsNamespace = Zend_Session::namespaceGet('userIDs');
      if($this->userIDsNamespace['roleID'] == '') {
        
        echo Pbs_Notifier::notify('No roleID set', 'forbidden');
      }
      $this->roleMapper = new Application_Model_RoleMapper();
      $this->rightMapper = new Application_Model_RightMapper();
      $this->rightRolesMapper = new Application_Model_RightRolesMapper();
      $this->membershipMapper = new Application_Model_MembershipMapper();

      $userIDsNamespace = Zend_Session::namespaceGet('userIDs');
      $this->membership = new Application_Model_Membership();
      $this->membershipMapper->find($userIDsNamespace['membershipID'], $this->membership);
    } else {
      $this->_helper->redirector('login', 'auth');
    }
    if($this->membership->getGroupID() == '') {
      $this->_helper->redirector('selectmembership', 'person');
    }
  }

  public function indexAction() {
    if(!Pbs_Acl::checkRight('ro')) {
      $this->_redirect('/user');
    }
    $this->view->membership = $this->membership;
    $groupID = $this->membership->getGroupID();
    $this->view->roleList = $this->roleMapper->findBy(array('groupID' => $groupID), true);

    $roles = array();
    $groupGroupsMapper = new Application_Model_GroupGroupsMapper();
    $parents = $groupGroupsMapper->getParentGroups($groupID);
    $groupMapper = new Application_Model_GroupMapper();
    $roleMapper = new Application_Model_RoleMapper();
    $crawled = array();
    foreach($parents as $p) {
      foreach($p as $a) {
        if(!in_array($a, $crawled)) {
          $crawled[] = $a;
          $group = $groupMapper->find($a);
          if($groupID != $a)
            { $r = $roleMapper->findBy(array('groupID' => $a, 'inheritance' => "1")); }
          else
            { $r = $roleMapper->findBy(array('groupID' => $a)); }
          foreach($r as $d) {
            $roles[$group->getTitle()][] = $d;
          }
        }
      }
    }
    $this->view->roleList = $roles;

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

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

    $this->view->roleList = $pagination->getElements();
    $this->view->pagination = $pagination->pagination();
    $this->view->page     = $pagination->getRequestPage();
    $this->view->addRight = Pbs_Acl::checkRight('ra');
    $this->view->editRight = Pbs_Acl::checkRight('re');
    $this->view->deleteRight = Pbs_Acl::checkRight('rd');
    $this->view->detailsRight = Pbs_Acl::checkRight('rdd');
    $this->view->userIDsNamespace = $this->userIDsNamespace;

  }

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

  public function addAction() {
    if(!Pbs_Acl::checkRight('ra')) {
      $this->_redirect('/user');
    }

    $roleID = $this->userIDsNamespace['roleID'];
    $rights = $this->rightMapper->fetchAll();
    if(count($rights) > 0) {
      $rightCategoryMapper = new Application_Model_RightCategoryMapper();
      foreach($rights as $right) {
        $rightCategory = $rightCategoryMapper->find($right->getRightcategoryID());
        $rightlist[$rightCategory->getTitle()][$right->getID()] = $right->getTitle();
      }
    }
    if (!isset($_POST["add"])) {
      $addForm = new user_Form_RoleAdd(array('rightlist' => $rightlist, 'inheritanceright' => Pbs_Acl::checkRight('rir'), 'addrighttoroleright' => Pbs_Acl::checkRight('rar')));
    } else {
      $addForm = new user_Form_RoleAdd(array('rightlist' => $rightlist, 'inheritanceright' => Pbs_Acl::checkRight('rir'), 'addrighttoroleright' => Pbs_Acl::checkRight('rar')), $_POST);
      if ($addForm->isValid($_POST)) {
        $_POST['groupID'] = $this->userIDsNamespace['groupID'];
        $role = new Application_Model_Role($_POST);
        try {
          $this->roleMapper->save($role);
          $db = Zend_Db_Table::getDefaultAdapter();
          $insertedRoleID = $db->lastInsertId();
        } catch(Zend_Exception $e) {
          echo "Caught exception: " . get_class($e) . "<br/>";
          echo "Message: " . $e->getMessage() . "<br/>";
          return;
        }
        foreach($_POST['rights'] as $rightID => $bool) {
          if($bool == 1) {
            $rightrole = new Application_Model_RightRoles();
            $rightrole->setRightID($rightID);
            $rightrole->setRoleID($insertedRoleID);
            try {
              $this->rightRolesMapper->save($rightrole);
            } catch(Zend_Exception $e) {
              echo "Caught exception: " . get_class($e) . "<br/>";
              echo "Message: " . $e->getMessage() . "<br/>";
              return;
            }
          }
        }
        $this->_helper->redirector('', 'role');
        return;
      }
    }
    $this->view->addForm = $addForm;
  }

  public function editAction() {
    if(!Pbs_Acl::checkRight('re')) {
      $this->_redirect('/user');
    }
    $roleID = $this->_request->getParam('roleID');
    if(!isset($roleID)) {
      if(count($this->userIDsNamespace) > 0) {
        $roleID = $this->userIDsNamespace['roleID'];
      }
    }
    if(!isset($roleID)) {
      $this->_helper->redirector('add', 'role');
      return;
    } else {
      $roleMapper = new Application_Model_RoleMapper();
      $role = $roleMapper->find($roleID);
      $roleGroupID = $role->getGroupID();
    }
    if($this->userIDsNamespace['groupID'] == $roleGroupID) {
      if (!isset($_POST["save"])) {
        $role = $this->roleMapper->find($roleID);
        $_POST['title'] = $role->getTitle();
        $_POST['description'] = $role->getDescription();
        $_POST['groupID'] = $role->getGroupID();
        $_POST['inheritance'] = $role->getInheritance();
        $editForm = new user_Form_RoleEdit(array('roleID' => $roleID, 'inheritanceright' => Pbs_Acl::checkRight('rir')));
      } else {
        $editForm = new user_Form_RoleEdit(array('roleID' => $roleID, 'inheritanceright' => Pbs_Acl::checkRight('rir')), $_POST);
        if ($editForm->isValid($_POST)) {

          $role = new Application_Model_Role($_POST);
          $role->setID($roleID);
          try {
            $this->roleMapper->save($role);
          } catch(Zend_Exception $e) {
            echo "Caught exception: " . get_class($e) . "<br/>";
            echo "Message: " . $e->getMessage() . "<br/>";
            return;
          }
          $this->_helper->redirector('', 'role');
          return;
        }
      }
      $this->view->editForm = $editForm;
    } else {
      
      echo Pbs_Notifier::notify('modify', 'forbidden');
      $this->_helper-> viewRenderer-> setNoRender();
      return;
    }
  }

  public function showAction() {
    if(!Pbs_Acl::checkRight('rdd')) {
      $this->_redirect('/user');
    }
    $roleID = $this->_request->getParam('roleID');
    if(!isset($roleID)) {
      if(count($this->userIDsNamespace) > 0) {
        $roleID = $this->userIDsNamespace['roleID'];
      }
    }
    $this->view->membership = $this->membership;
    if($roleID) {
      $roleMapper = new Application_Model_RoleMapper();
      $role = $roleMapper->find($roleID);
      $roleGroupID = $role->getGroupID();
      if($this->userIDsNamespace['groupID'] == $roleGroupID || $role->getInheritance() == 1) {
        $rightroles = $this->rightRolesMapper->findBy(array('roleID' => $roleID), true);
        if(count($rightroles) > 0) {
          foreach($rightroles as $rightrole) {
            $right = $this->rightMapper->find($rightrole['rightID']);
            $rightsList[$right->getRightcategoryID()][] = $right;
          }
          if(is_array($rightsList)) {
            $this->view->rightsList = $rightsList;
          }
        }
        $rightCategoryMapper = new Application_Model_RightCategoryMapper();
        $rightCategories = $rightCategoryMapper->fetchAll();
        if(count($rightCategories) > 0) {
          foreach($rightCategories as $rightCategory) {
            $rightcategorieslist[$rightCategory->getID()] = $rightCategory->getTitle();
          }
          $this->view->rightcategorieslist = $rightcategorieslist;
        }
        $rights = $this->rightMapper->fetchAll();
        if(count($rights) == count($rightroles)) {
          $this->view->rightsAvailable = false;
        } else {
          $this->view->rightsAvailable = true;
        }
        $this->view->editRight = Pbs_Acl::checkRight('re');
        $this->view->deleteRight = Pbs_Acl::checkRight('rd');
        $this->view->addRightToRoleRight = Pbs_Acl::checkRight('rar');
        $this->view->removeRightOfRoleRight = Pbs_Acl::checkRight('rrr');
        $this->view->role = $this->roleMapper->find($roleID);
        $this->view->roleID = $roleID;
        $this->view->userIDsNamespace = $this->userIDsNamespace;
      } else {
        
        echo Pbs_Notifier::notify('view', 'forbidden');
        $this->_helper-> viewRenderer-> setNoRender();
        return;
      }
    } else {
      $this->_helper->redirector('', 'role');
      return;
    }
  }

  public function deleteAction() {
    if(!Pbs_Acl::checkRight('rd')) {
      $this->_redirect('/user');
    }
    $this->_helper->viewRenderer->setNoRender();
    $roleID = $this->_request->getParam('roleID');
    if(!isset($roleID)) {
      if(count($this->userIDsNamespace) > 0) {
        $roleID = $this->userIDsNamespace['roleID'];
      }
    }
    if (isset($roleID)) {
      $roleMapper = new Application_Model_RoleMapper();
      $role = $roleMapper->find($roleID);
      $roleGroupID = $role->getGroupID();
      if($this->userIDsNamespace['groupID'] == $roleGroupID) {
        $role = $this->roleMapper->find($roleID);
        try {
          $this->roleMapper->delete($role);
        } catch(Zend_Exception $e) {
          echo "Caught exception: " . get_class($e) . "<br/>";
          echo "Message: " . $e->getMessage() . "<br/>";
          return;
        }
        if($_SERVER['HTTP_REFERER']) {
          if(strpos($_SERVER['HTTP_REFERER'], '/user/role/show') !== false && strpos($_SERVER['HTTP_REFERER'], '/roleID/') == false) {
            $this->_helper->redirector('changemembership', 'person');
          } else {
            $this->_helper->redirector('', 'role');
          }
        } else {
          $this->_helper->redirector('', 'role');
        }
        return;
      } else {
        
        echo Pbs_Notifier::notify('delete', 'forbidden');
        $this->_helper-> viewRenderer-> setNoRender();
        return;
      }
    } else {
      $this->_helper->redirector('', 'role');
      return;
    }
  }

  public function linkrightAction() {
    if(!Pbs_Acl::checkRight('rar')) {
      $this->_redirect('/user');
    }
    $roleID = $this->_request->getParam('roleID');
    if(!isset($roleID)) {
      if(count($this->userIDsNamespace) > 0) {
        $roleID = $this->userIDsNamespace['roleID'];
      }
    }
    if(isset($roleID)) {
      $roleMapper = new Application_Model_RoleMapper();
      $role = $roleMapper->find($roleID);
      $roleGroupID = $role->getGroupID();
      if($this->userIDsNamespace['groupID'] == $roleGroupID) {
        $rightroles = $this->rightRolesMapper->findBy(array('roleID' => $roleID), true);
        $rights = $this->rightMapper->fetchAll();
        if(count($rightroles) > 0) {
          if(count($rights) > 0) {
            $rightCategoryMapper = new Application_Model_RightCategoryMapper();
            foreach($rights as $right) {
              foreach($rightroles as $rightrole) {
                if($right->getID() == $rightrole['rightID']) {
                  $found = true;
                  break;
                }
              }
              if(!$found) {
                $rightCategory = $rightCategoryMapper->find($right->getRightcategoryID());
                $rightlist[$rightCategory->getTitle()][$right->getID()] = $right->getTitle();
              }
              $found = false;
            }
          }
        } else {
          $rightCategoryMapper = new Application_Model_RightCategoryMapper();
          foreach($rights as $right) {
            $rightCategory = $rightCategoryMapper->find($right->getRightcategoryID());
            $rightlist[$rightCategory->getTitle()][$right->getID()] = $right->getTitle();
          }
        }
        if(count($rightlist) > 0) {
          if (!isset($_POST["link"])) {
            $linkForm = new user_Form_LinkRight(array('rightlist' => $rightlist));
          } else {
            $linkForm = new user_Form_LinkRight(array('rightlist' => $rightlist, $_POST));
            if ($linkForm->isValid($_POST)) {
              foreach($_POST['rights'] as $rightID => $bool) {
                if($bool == 1) {
                  $rightroles = new Application_Model_RightRoles();
                  $rightroles->setRightID($rightID);
                  $rightroles->setRoleID($roleID);

                  try {
                    $this->rightRolesMapper->save($rightroles);
                  } catch(Zend_Exception $e) {
                    echo "Caught exception: " . get_class($e) . "<br/>";
                    echo "Message: " . $e->getMessage() . "<br/>";
                    return;
                  }
                }
              }
              $this->_redirect('/user/role/show/roleID/' . $roleID);
              return;
            }
          }
          $this->view->linkForm = $linkForm;
        } else {
          $this->_redirect('/user/role/show/roleID/' . $roleID);
          return;
        }

      } else {
        
        echo Pbs_Notifier::notify('link', 'forbidden');
        $this->_helper-> viewRenderer-> setNoRender();
        return;
      }
    } else {
      $this->_helper->redirector('', 'role');
      return;
    }
  }

  public function unlinkrightAction() {
    if(!Pbs_Acl::checkRight('rrr')) {
      $this->_redirect('/user');
    }
    $this->_helper-> viewRenderer-> setNoRender();
    $rightRolesID = $this->_request->getParam('rightrolesID');
    if(isset($rightRolesID)) {
      $rightRolesID = explode('-', $rightRolesID);
      $roleID = $rightRolesID[0];
      if($rightRolesID[1] == 'all') {
        $rightRolesMapper = new Application_Model_RightRolesMapper();
        $rightroleslist = $rightRolesMapper->findBy(array('roleID' => $roleID));
        foreach($rightroleslist as $rightroles) {
          try {
            $this->rightRolesMapper->delete($rightroles);
          } catch(Zend_Exception $e) {
            echo "Caught exception: " . get_class($e) . "<br/>";
            echo "Message: " . $e->getMessage() . "<br/>";
            return;
          }
        }
        $this->_redirect('/user/role/show/roleID/' . $roleID);
        return;
      } else {
        $rightID = $rightRolesID[1];
        if (isset($roleID) && isset($rightID)) {
          $roleMapper = new Application_Model_RoleMapper();
          $role = $roleMapper->find($roleID);
          $roleGroupID = $role->getGroupID();
          if($this->userIDsNamespace['groupID'] == $roleGroupID) {
            $rightroles = new Application_Model_RightRoles();
            $rightroles->setRoleID($roleID);
            $rightroles->setRightID($rightID);
            try {
              $this->rightRolesMapper->delete($rightroles);
            } catch(Zend_Exception $e) {
              echo "Caught exception: " . get_class($e) . "<br/>";
              echo "Message: " . $e->getMessage() . "<br/>";
              return;

            }
            $this->_redirect('/user/role/show/roleID/' . $roleID);
            return;
          } else {
            
            echo Pbs_Notifier::notify('unlink', 'forbidden');
            $this->_helper-> viewRenderer-> setNoRender();
            return;
          }
        }
      }
    } else {
      $this->_helper->redirector('', 'role');
      return;
    }
  }


}