<?php

require_once 'classes/interfaces/dashletInterface.php';
require_once 'classes/model/Dashlet.php';
require_once 'classes/model/DashletInstance.php';

class PMDashlet extends DashletInstance implements DashletInterface {

  // Own properties
  private $dashletInstance;
  private $dashletObject;

  // Interface functions

  public static function getAdditionalFields($className) {
    try {
      if (!class_exists($className)) {
        $oPluginRegistry = &PMPluginRegistry::getSingleton();
        $pluginsDashlets = $oPluginRegistry->getDashlets();
        foreach ($pluginsDashlets as $pluginDashlet) {
          set_include_path(get_include_path() . PATH_SEPARATOR . PATH_PLUGINS . $pluginDashlet . PATH_SEP);
        }
        require_once 'classes' . PATH_SEP . 'class.' . $className . '.php';
      }
      G::LoadClass($className);
      eval("\$additionalFields = $className::getAdditionalFields(\$className);");
      return $additionalFields;
    }
    catch (Exception $error) {
      throw $error;
    }
  }


  public function setup($dasInsUid) {
    try {
      $this->dashletInstance = $this->loadDashletInstance($dasInsUid);
      if (!isset($this->dashletInstance['DAS_CLASS'])) {
        throw new Exception(G::LoadTranslation('ID_ERROR_OBJECT_NOT_EXISTS') . ' - Probably the plugin related is disabled');
      }
      $className = $this->dashletInstance['DAS_CLASS'];
      G::LoadClass($className);
      if (!class_exists($className)) {
        $oPluginRegistry = &PMPluginRegistry::getSingleton();
        $pluginsDashlets = $oPluginRegistry->getDashlets();
        foreach ($pluginsDashlets as $pluginDashlet) {
          set_include_path(get_include_path() . PATH_SEPARATOR . PATH_PLUGINS . $pluginDashlet . PATH_SEP);
        }
        require_once 'classes' . PATH_SEP . 'class.' . $className . '.php';
      }
      $this->dashletObject = new $className();
      $this->dashletObject->setup($this->dashletInstance);
    }
    catch (Exception $error) {
      throw $error;
    }
  }

  public function render($width = 300) {
    try {
      if (is_null($this->dashletObject)) {
        throw new Exception('Please call to the function "setup" before call the function "render".');
      }
      $this->dashletObject->render($width);
    }
    catch (Exception $error) {
      throw $error;
    }
  }

  // Getter and Setters

  public function getDashletInstance() {
    return $this->dashletInstance;
  }

  public function getDashletObject() {
    return $this->dashletObject;
  }

  // Own functions

  public function getDashletsInstances($start = null, $limit = null) {
    try {
      $dashletsInstances = array();
      $criteria = new Criteria('workflow');
      $criteria->addSelectColumn('*');
      $criteria->addJoin(DashletInstancePeer::DAS_UID, DashletPeer::DAS_UID, Criteria::INNER_JOIN);
      if (!is_null($start)) {
        $criteria->setOffset($start);
      }
      if (!is_null($limit)) {
        $criteria->setLimit($limit);
      }
      $dataset = DashletInstancePeer::doSelectRS($criteria);
      $dataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
      $dataset->next();
      while ($row = $dataset->getRow()) {
        $arrayField = unserialize($row["DAS_INS_ADDITIONAL_PROPERTIES"]);

        $row['DAS_INS_STATUS_LABEL'] = ($row['DAS_INS_STATUS'] == '1' ? G::LoadTranslation('ID_ACTIVE') : G::LoadTranslation('ID_INACTIVE'));
        $row["DAS_INS_TITLE"] = (isset($arrayField["DAS_INS_TITLE"]) && !empty($arrayField["DAS_INS_TITLE"]))? $arrayField["DAS_INS_TITLE"] : "";

        switch ($row['DAS_INS_OWNER_TYPE']) {
          case 'EVERYBODY':
            $row['DAS_INS_OWNER_TITLE'] = G::LoadTranslation('ID_ALL_USERS');
          break;
          case 'USER':
            require_once 'classes/model/Users.php';
            $userInstance = new Users();
            try {
              $user = $userInstance->load($row['DAS_INS_OWNER_UID']);
              $row['DAS_INS_OWNER_TITLE'] = $user['USR_FIRSTNAME'] . ' ' . $user['USR_LASTNAME'];
            }
            catch (Exception $error) {
              $this->remove($row['DAS_INS_UID']);
              $row['DAS_INS_UID'] = '';
            }
          break;
          case 'DEPARTMENT':
            require_once 'classes/model/Department.php';
            $departmentInstance = new Department();
            try {
              $department = $departmentInstance->load($row['DAS_INS_OWNER_UID']);
              $row['DAS_INS_OWNER_TITLE'] = $department['DEPO_TITLE'];
            }
            catch (Exception $error) {
              $this->remove($row['DAS_INS_UID']);
              $row['DAS_INS_UID'] = '';
            }
          break;
          case 'GROUP':
            require_once 'classes/model/Groupwf.php';
            $groupInstance = new Groupwf();
            try {
              $group = $groupInstance->load($row['DAS_INS_OWNER_UID']);
              $row['DAS_INS_OWNER_TITLE'] = $group['GRP_TITLE'];
            }
            catch (Exception $error) {
              $this->remove($row['DAS_INS_UID']);
              $row['DAS_INS_UID'] = '';
            }
          break;
          default:
            $row['DAS_INS_OWNER_TITLE'] = $row['DAS_INS_OWNER_TYPE'];
          break;
        }
        if ($row['DAS_INS_UID'] != '') {
          $dashletsInstances[] = $row;
        }
        $dataset->next();
      }
      return $dashletsInstances;
    }
    catch (Exception $error) {
      throw $error;
    }
  }

  public function getDashletsInstancesQuantity() {
    try {
      $criteria = new Criteria('workflow');
      $criteria->addSelectColumn('*');
      $criteria->addJoin(DashletInstancePeer::DAS_UID, DashletPeer::DAS_UID, Criteria::INNER_JOIN);
      return DashletInstancePeer::doCount($criteria);
    }
    catch (Exception $error) {
      throw $error;
    }
  }

  public function loadDashletInstance($dasInsUid) {
    try {
      $dashletInstance = $this->load($dasInsUid);
      //Load data from the serialized field
      $dashlet = new Dashlet();
      $dashletFields = $dashlet->load($dashletInstance['DAS_UID']);
      if (is_null($dashletFields)) {
        $dashletFields = array();
      }
      return array_merge($dashletFields, $dashletInstance);
    }
    catch (Exception $error) {
      throw $error;
    }
  }

  public function saveDashletInstance($data) {
    try {
      $this->createOrUpdate($data);
    }
    catch (Exception $error) {
      throw $error;
    }
  }

  public function deleteDashletInstance($dasInsUid) {
    try {
      $this->remove($dasInsUid);
    }
    catch (Exception $error) {
      throw $error;
    }
  }

  public function getDashletsInstancesForUser($userUid) {
    try {
      $dashletsInstances = array();
      // Include required classes
      require_once 'classes/model/Department.php';
      require_once 'classes/model/Users.php';
      // Check for "public" dashlets
      $criteria = new Criteria('workflow');
      $criteria->addSelectColumn(DashletInstancePeer::DAS_INS_UID);
      $criteria->addSelectColumn(DashletInstancePeer::DAS_INS_ADDITIONAL_PROPERTIES);
      $criteria->addSelectColumn(DashletPeer::DAS_CLASS);
      $criteria->addSelectColumn(DashletPeer::DAS_TITLE);
      $criteria->addJoin(DashletInstancePeer::DAS_UID, DashletPeer::DAS_UID, Criteria::INNER_JOIN);
      $criteria->add(DashletInstancePeer::DAS_INS_OWNER_TYPE, 'EVERYBODY');
      $dataset = DashletInstancePeer::doSelectRS($criteria);
      $dataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
      $dataset->next();
      while ($row = $dataset->getRow()) {
        if (!isset($dashletsInstances[$row['DAS_INS_UID']])) {
          $arrayField = unserialize($row["DAS_INS_ADDITIONAL_PROPERTIES"]);

          $row['DAS_XTEMPLATE'] = $this->getXTemplate($row['DAS_CLASS']);
          $row["DAS_TITLE"] = (isset($arrayField["DAS_INS_TITLE"]) && !empty($arrayField["DAS_INS_TITLE"]))? $arrayField["DAS_INS_TITLE"] : $row["DAS_TITLE"];
          $row["DAS_TITLE"] = $row["DAS_TITLE"] . ((isset($arrayField["DAS_INS_SUBTITLE"]) && !empty($arrayField["DAS_INS_SUBTITLE"]))? str_replace("@@USR_USERNAME", $_SESSION["USR_USERNAME"], $arrayField["DAS_INS_SUBTITLE"]) : null);

          $dashletsInstances[$row['DAS_INS_UID']] = $row;
        }
        $dataset->next();
      }
      // Check for the direct assignments
      $usersInstance = new Users();
      $criteria = new Criteria('workflow');
      $criteria->addSelectColumn(DashletInstancePeer::DAS_INS_UID);
      $criteria->addSelectColumn(DashletInstancePeer::DAS_INS_ADDITIONAL_PROPERTIES);
      $criteria->addSelectColumn(DashletPeer::DAS_CLASS);
      $criteria->addSelectColumn(DashletPeer::DAS_TITLE);
      $criteria->addJoin(DashletInstancePeer::DAS_UID, DashletPeer::DAS_UID, Criteria::INNER_JOIN);
      $criteria->add(DashletInstancePeer::DAS_INS_OWNER_TYPE, 'USER');
      $criteria->add(DashletInstancePeer::DAS_INS_OWNER_UID, $userUid);
      $dataset = DashletInstancePeer::doSelectRS($criteria);
      $dataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
      $dataset->next();
      while ($row = $dataset->getRow()) {
        if (!isset($dashletsInstances[$row['DAS_INS_UID']])) {
          $arrayField = unserialize($row["DAS_INS_ADDITIONAL_PROPERTIES"]);

          $row['DAS_XTEMPLATE'] = $this->getXTemplate($row['DAS_CLASS']);
          $row["DAS_TITLE"] = (isset($arrayField["DAS_INS_TITLE"]) && !empty($arrayField["DAS_INS_TITLE"]))? $arrayField["DAS_INS_TITLE"] : $row["DAS_TITLE"];
          $row["DAS_TITLE"] = $row["DAS_TITLE"] . ((isset($arrayField["DAS_INS_SUBTITLE"]) && !empty($arrayField["DAS_INS_SUBTITLE"]))? str_replace("@@USR_USERNAME", $_SESSION["USR_USERNAME"], $arrayField["DAS_INS_SUBTITLE"]) : null);

          $dashletsInstances[$row['DAS_INS_UID']] = $row;
        }
        $dataset->next();
      }
      // Check for department assigments
      $departmentInstance = new Department();
      $departments = $departmentInstance->getDepartmentsForUser($userUid);
      foreach ($departments as $depUid => $department) {
        $criteria = new Criteria('workflow');
        $criteria->addSelectColumn(DashletInstancePeer::DAS_INS_UID);
        $criteria->addSelectColumn(DashletInstancePeer::DAS_INS_ADDITIONAL_PROPERTIES);
        $criteria->addSelectColumn(DashletPeer::DAS_CLASS);
        $criteria->addSelectColumn(DashletPeer::DAS_TITLE);
        $criteria->addJoin(DashletInstancePeer::DAS_UID, DashletPeer::DAS_UID, Criteria::INNER_JOIN);
        $criteria->add(DashletInstancePeer::DAS_INS_OWNER_TYPE, 'DEPARTMENT');
        $criteria->add(DashletInstancePeer::DAS_INS_OWNER_UID, $depUid);
        $dataset = DashletInstancePeer::doSelectRS($criteria);
        $dataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
        $dataset->next();
        while ($row = $dataset->getRow()) {
          if (!isset($dashletsInstances[$row['DAS_INS_UID']])) {
            $arrayField = unserialize($row["DAS_INS_ADDITIONAL_PROPERTIES"]);

            $row['DAS_XTEMPLATE'] = $this->getXTemplate($row['DAS_CLASS']);
            $row["DAS_TITLE"] = (isset($arrayField["DAS_INS_TITLE"]) && !empty($arrayField["DAS_INS_TITLE"]))? $arrayField["DAS_INS_TITLE"] : $row["DAS_TITLE"];
            $row["DAS_TITLE"] = $row["DAS_TITLE"] . ((isset($arrayField["DAS_INS_SUBTITLE"]) && !empty($arrayField["DAS_INS_SUBTITLE"]))? str_replace("@@USR_USERNAME", $_SESSION["USR_USERNAME"], $arrayField["DAS_INS_SUBTITLE"]) : null);

            $dashletsInstances[$row['DAS_INS_UID']] = $row;
          }
          $dataset->next();
        }
      }
      // Check for group assignments
      G::LoadClass('groups');
      $groupsInstance = new Groups();
      $groups = $groupsInstance->getGroupsForUser($userUid);
      foreach ($groups as $grpUid => $group) {
        $criteria = new Criteria('workflow');
        $criteria->addSelectColumn(DashletInstancePeer::DAS_INS_UID);
        $criteria->addSelectColumn(DashletInstancePeer::DAS_INS_ADDITIONAL_PROPERTIES);
        $criteria->addSelectColumn(DashletPeer::DAS_CLASS);
        $criteria->addSelectColumn(DashletPeer::DAS_TITLE);
        $criteria->addJoin(DashletInstancePeer::DAS_UID, DashletPeer::DAS_UID, Criteria::INNER_JOIN);
        $criteria->add(DashletInstancePeer::DAS_INS_OWNER_TYPE, 'GROUP');
        $criteria->add(DashletInstancePeer::DAS_INS_OWNER_UID, $grpUid);
        $dataset = DashletInstancePeer::doSelectRS($criteria);
        $dataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
        $dataset->next();
        while ($row = $dataset->getRow()) {
          if (!isset($dashletsInstances[$row['DAS_INS_UID']])) {
            $arrayField = unserialize($row["DAS_INS_ADDITIONAL_PROPERTIES"]);

            $row['DAS_XTEMPLATE'] = $this->getXTemplate($row['DAS_CLASS']);
            $row["DAS_TITLE"] = (isset($arrayField["DAS_INS_TITLE"]) && !empty($arrayField["DAS_INS_TITLE"]))? $arrayField["DAS_INS_TITLE"] : $row["DAS_TITLE"];
            $row["DAS_TITLE"] = $row["DAS_TITLE"] . ((isset($arrayField["DAS_INS_SUBTITLE"]) && !empty($arrayField["DAS_INS_SUBTITLE"]))? str_replace("@@USR_USERNAME", $_SESSION["USR_USERNAME"], $arrayField["DAS_INS_SUBTITLE"]) : null);

            $dashletsInstances[$row['DAS_INS_UID']] = $row;
          }
          $dataset->next();
        }
      }
      // Check for role assigments
      // ToDo: Next release
      // Check for permission assigments
      // ToDo: Next release
      return array_values($dashletsInstances);
    }
    catch (Exception $error) {
      throw $error;
    }
  }

  public static function getXTemplate($className) {
    try {
      if (!class_exists($className)) {
        $oPluginRegistry = &PMPluginRegistry::getSingleton();
        $pluginsDashlets = $oPluginRegistry->getDashlets();
        foreach ($pluginsDashlets as $pluginDashlet) {
          set_include_path(get_include_path() . PATH_SEPARATOR . PATH_PLUGINS . $pluginDashlet . PATH_SEP);
        }

        require_once ("classes" . PATH_SEP . "class." . $className . ".php");
      }
      G::LoadClass($className);
      eval("\$additionalFields = $className::getXTemplate(\$className);");
      return $additionalFields;
    }
    catch (Exception $error) {
      throw $error;
    }
  }

}