/**
  * search according to the conditions of mail rules
  * @param string $condition
  * @return object 
  */
 function getConditionsRules($condition)
 {
     return MailContents::findAll(array('conditions' => $condition, 'join' => array('table' => MailDatas::instance()->getTableName(), 'jt_field' => 'id', 'e_field' => 'object_id')));
 }
	/**
	 * @return MailData
	 */
	function getMailData() {
		if (!$this->mail_data instanceof MailData) $this->mail_data = MailDatas::findById($this->getId());
		if (!$this->mail_data instanceof MailData) $this->mail_data = new MailData();
		return $this->mail_data;
	}
	/**
	 * Return manager instance
	 *
	 * @access protected
	 * @param void
	 * @return MailDatas
	 */
	function manager() {
		if(!($this->manager instanceof MailDatas)) $this->manager = MailDatas::instance();
		return $this->manager;
	} // manager
 /**
  * Execute a report and return results
  *
  * @param $id
  * @param $params
  *
  * @return array
  */
 static function executeReport($id, $params, $order_by_col = '', $order_by_asc = true, $offset = 0, $limit = 50, $to_print = false)
 {
     if (is_null(active_context())) {
         CompanyWebsite::instance()->setContext(build_context_array(array_var($_REQUEST, 'context')));
     }
     $results = array();
     $report = self::getReport($id);
     $show_archived = false;
     if ($report instanceof Report) {
         $conditionsFields = ReportConditions::getAllReportConditionsForFields($id);
         $conditionsCp = ReportConditions::getAllReportConditionsForCustomProperties($id);
         $ot = ObjectTypes::findById($report->getReportObjectTypeId());
         $table = $ot->getTableName();
         if ($ot->getType() == 'dimension_object' || $ot->getType() == 'dimension_group') {
             $hook_parameters = array('report' => $report, 'params' => $params, 'order_by_col' => $order_by_col, 'order_by_asc' => $order_by_asc, 'offset' => $offset, 'limit' => $limit, 'to_print' => $to_print);
             $report_result = null;
             Hook::fire('replace_execute_report_function', $hook_parameters, $report_result);
             if ($report_result) {
                 return $report_result;
             }
         }
         eval('$managerInstance = ' . $ot->getHandlerClass() . "::instance();");
         eval('$item_class = ' . $ot->getHandlerClass() . '::instance()->getItemClass(); $object = new $item_class();');
         $order_by = '';
         if (is_object($params)) {
             $params = get_object_vars($params);
         }
         $report_columns = ReportColumns::getAllReportColumns($id);
         $allConditions = "";
         $contact_extra_columns = self::get_extra_contact_columns();
         if (count($conditionsFields) > 0) {
             foreach ($conditionsFields as $condField) {
                 if ($condField->getFieldName() == "archived_on") {
                     $show_archived = true;
                 }
                 $skip_condition = false;
                 $model = $ot->getHandlerClass();
                 $model_instance = new $model();
                 $col_type = $model_instance->getColumnType($condField->getFieldName());
                 $allConditions .= ' AND ';
                 $dateFormat = 'm/d/Y';
                 if (isset($params[$condField->getId()])) {
                     $value = $params[$condField->getId()];
                     if ($col_type == DATA_TYPE_DATE || $col_type == DATA_TYPE_DATETIME) {
                         $dateFormat = user_config_option('date_format');
                     }
                 } else {
                     $value = $condField->getValue();
                 }
                 if ($ot->getHandlerClass() == 'Contacts' && in_array($condField->getFieldName(), $contact_extra_columns)) {
                     $allConditions .= self::get_extra_contact_column_condition($condField->getFieldName(), $condField->getCondition(), $value);
                 } else {
                     if ($value == '' && $condField->getIsParametrizable()) {
                         $skip_condition = true;
                     }
                     if (!$skip_condition) {
                         $field_name = $condField->getFieldName();
                         if (in_array($condField->getFieldName(), Objects::getColumns())) {
                             $field_name = 'o`.`' . $condField->getFieldName();
                         }
                         if ($condField->getCondition() == 'like' || $condField->getCondition() == 'not like') {
                             $value = '%' . $value . '%';
                         }
                         if ($col_type == DATA_TYPE_DATE || $col_type == DATA_TYPE_DATETIME) {
                             if ($value == date_format_tip($dateFormat)) {
                                 $value = EMPTY_DATE;
                             } else {
                                 $dtValue = DateTimeValueLib::dateFromFormatAndString($dateFormat, $value);
                                 $value = $dtValue->format('Y-m-d');
                             }
                         }
                         if ($condField->getCondition() != '%') {
                             if ($col_type == DATA_TYPE_INTEGER || $col_type == DATA_TYPE_FLOAT) {
                                 $allConditions .= '`' . $field_name . '` ' . $condField->getCondition() . ' ' . DB::escape($value);
                             } else {
                                 if ($condField->getCondition() == '=' || $condField->getCondition() == '<=' || $condField->getCondition() == '>=') {
                                     if ($col_type == DATA_TYPE_DATETIME || $col_type == DATA_TYPE_DATE) {
                                         $equal = 'datediff(' . DB::escape($value) . ', `' . $field_name . '`)=0';
                                     } else {
                                         $equal = '`' . $field_name . '` ' . $condField->getCondition() . ' ' . DB::escape($value);
                                     }
                                     switch ($condField->getCondition()) {
                                         case '=':
                                             $allConditions .= $equal;
                                             break;
                                         case '<=':
                                         case '>=':
                                             $allConditions .= '(`' . $field_name . '` ' . $condField->getCondition() . ' ' . DB::escape($value) . ' OR ' . $equal . ') ';
                                             break;
                                     }
                                 } else {
                                     $allConditions .= '`' . $field_name . '` ' . $condField->getCondition() . ' ' . DB::escape($value);
                                 }
                             }
                         } else {
                             $allConditions .= '`' . $field_name . '` like ' . DB::escape("%{$value}");
                         }
                     } else {
                         $allConditions .= ' true';
                     }
                 }
             }
         }
         if (count($conditionsCp) > 0) {
             $dateFormat = user_config_option('date_format');
             $date_format_tip = date_format_tip($dateFormat);
             foreach ($conditionsCp as $condCp) {
                 $cp = CustomProperties::getCustomProperty($condCp->getCustomPropertyId());
                 $skip_condition = false;
                 if (isset($params[$condCp->getId() . "_" . $cp->getName()])) {
                     $value = $params[$condCp->getId() . "_" . $cp->getName()];
                 } else {
                     $value = $condCp->getValue();
                 }
                 if ($value == '' && $condCp->getIsParametrizable()) {
                     $skip_condition = true;
                 }
                 if (!$skip_condition) {
                     $current_condition = ' AND ';
                     $current_condition .= 'o.id IN ( SELECT object_id as id FROM ' . TABLE_PREFIX . 'custom_property_values cpv WHERE ';
                     $current_condition .= ' cpv.custom_property_id = ' . $condCp->getCustomPropertyId();
                     $fieldType = $object->getColumnType($condCp->getFieldName());
                     if ($condCp->getCondition() == 'like' || $condCp->getCondition() == 'not like') {
                         $value = '%' . $value . '%';
                     }
                     if ($cp->getType() == 'date') {
                         if ($value == $date_format_tip) {
                             continue;
                         }
                         $dtValue = DateTimeValueLib::dateFromFormatAndString($dateFormat, $value);
                         $value = $dtValue->format('Y-m-d H:i:s');
                     }
                     if ($condCp->getCondition() != '%') {
                         if ($cp->getType() == 'numeric') {
                             $current_condition .= ' AND cpv.value ' . $condCp->getCondition() . ' ' . DB::escape($value);
                         } else {
                             if ($cp->getType() == 'boolean') {
                                 $current_condition .= ' AND cpv.value ' . $condCp->getCondition() . ' ' . ($value ? '1' : '0');
                                 if (!$value) {
                                     $current_condition .= ') OR o.id NOT IN (SELECT object_id as id FROM ' . TABLE_PREFIX . 'custom_property_values cpv2 WHERE cpv2.object_id=o.id AND cpv2.value=1 AND cpv2.custom_property_id = ' . $condCp->getCustomPropertyId();
                                 }
                             } else {
                                 $current_condition .= ' AND cpv.value ' . $condCp->getCondition() . ' ' . DB::escape($value);
                             }
                         }
                     } else {
                         $current_condition .= ' AND cpv.value like ' . DB::escape("%{$value}");
                     }
                     $current_condition .= ')';
                     $allConditions .= $current_condition;
                 }
             }
         }
         $select_columns = array('*');
         $join_params = null;
         if ($order_by_col == '') {
             $order_by_col = $report->getOrderBy();
         }
         if ($ot->getHandlerClass() == 'Contacts' && in_array($order_by_col, $contact_extra_columns)) {
             $join_params = self::get_extra_contact_column_order_by($order_by_col, $order_by_col, $select_columns);
         }
         $original_order_by_col = $order_by_col;
         if (in_array($order_by_col, self::$external_columns)) {
             $order_by_col = 'name_order';
             $join_params = array('table' => Objects::instance()->getTableName(), 'jt_field' => 'id', 'e_field' => $original_order_by_col, 'join_type' => 'left');
             $select_columns = array();
             $tmp_cols = $managerInstance->getColumns();
             foreach ($tmp_cols as $col) {
                 $select_columns[] = "e.{$col}";
             }
             $tmp_cols = Objects::instance()->getColumns();
             foreach ($tmp_cols as $col) {
                 $select_columns[] = "o.{$col}";
             }
             $select_columns[] = 'jt.name as name_order';
         }
         if ($order_by_asc == null) {
             $order_by_asc = $report->getIsOrderByAsc();
         }
         if ($ot->getName() == 'task' && !SystemPermissions::userHasSystemPermission(logged_user(), 'can_see_assigned_to_other_tasks')) {
             $allConditions .= " AND assigned_to_contact_id = " . logged_user()->getId();
         }
         if ($managerInstance) {
             if ($order_by_col == "order") {
                 $order_by_col = "`{$order_by_col}`";
             }
             $listing_parameters = array("select_columns" => $select_columns, "order" => "{$order_by_col}", "order_dir" => $order_by_asc ? "ASC" : "DESC", "extra_conditions" => $allConditions, "count_results" => true, "join_params" => $join_params);
             if ($limit > 0) {
                 $listing_parameters["start"] = $offset;
                 $listing_parameters["limit"] = $limit;
             }
             if ($show_archived) {
                 $listing_parameters["archived"] = true;
             }
             $result = $managerInstance->listing($listing_parameters);
         } else {
             // TODO Performance Killer
             $result = ContentDataObjects::getContentObjects(active_context(), $ot, $order_by_col, $order_by_asc ? "ASC" : "DESC", $allConditions);
         }
         $objects = $result->objects;
         $totalResults = $result->total;
         $results['pagination'] = Reports::getReportPagination($id, $params, $original_order_by_col, $order_by_asc, $offset, $limit, $totalResults);
         $dimensions_cache = array();
         foreach ($report_columns as $column) {
             if ($column->getCustomPropertyId() == 0) {
                 $field = $column->getFieldName();
                 if (str_starts_with($field, 'dim_')) {
                     $dim_id = str_replace("dim_", "", $field);
                     $dimension = Dimensions::getDimensionById($dim_id);
                     $dimensions_cache[$dim_id] = $dimension;
                     $column_name = $dimension->getName();
                     $results['columns'][$field] = $column_name;
                     $results['db_columns'][$column_name] = $field;
                 } else {
                     if ($managerInstance->columnExists($field) || Objects::instance()->columnExists($field)) {
                         $column_name = Localization::instance()->lang('field ' . $ot->getHandlerClass() . ' ' . $field);
                         if (is_null($column_name)) {
                             $column_name = lang('field Objects ' . $field);
                         }
                         $results['columns'][$field] = $column_name;
                         $results['db_columns'][$column_name] = $field;
                     } else {
                         if ($ot->getHandlerClass() == 'Contacts') {
                             if (in_array($field, $contact_extra_columns)) {
                                 $results['columns'][$field] = lang($field);
                                 $results['db_columns'][lang($field)] = $field;
                             }
                         } else {
                             if ($ot->getHandlerClass() == 'Timeslots') {
                                 if (in_array($field, array('time', 'billing'))) {
                                     $results['columns'][$field] = lang('field Objects ' . $field);
                                     $results['db_columns'][lang('field Objects ' . $field)] = $field;
                                 }
                             } else {
                                 if ($ot->getHandlerClass() == 'MailContents') {
                                     if (in_array($field, array('to', 'cc', 'bcc', 'body_plain', 'body_html'))) {
                                         $results['columns'][$field] = lang('field Objects ' . $field);
                                         $results['db_columns'][lang('field Objects ' . $field)] = $field;
                                     }
                                 }
                             }
                         }
                     }
                 }
             } else {
                 $results['columns'][$column->getCustomPropertyId()] = $column->getCustomPropertyId();
             }
         }
         $report_rows = array();
         foreach ($objects as &$object) {
             /* @var $object Object */
             $obj_name = $object->getObjectName();
             $icon_class = $object->getIconClass();
             $row_values = array('object_type_id' => $object->getObjectTypeId());
             if (!$to_print) {
                 $row_values['link'] = '<a class="link-ico ' . $icon_class . '" title="' . clean($obj_name) . '" target="new" href="' . $object->getViewUrl() . '">&nbsp;</a>';
             }
             foreach ($report_columns as $column) {
                 if ($column->getCustomPropertyId() == 0) {
                     $field = $column->getFieldName();
                     if (str_starts_with($field, 'dim_')) {
                         $dim_id = str_replace("dim_", "", $field);
                         if (!array_var($dimensions_cache, $dim_id) instanceof Dimension) {
                             $dimension = Dimensions::getDimensionById($dim_id);
                             $dimensions_cache[$dim_id] = $dimension;
                         } else {
                             $dimension = array_var($dimensions_cache, $dim_id);
                         }
                         $om_object_id = $object instanceof Timeslot ? $object->getRelObjectId() : $object->getId();
                         $members = ObjectMembers::getMembersByObjectAndDimension($om_object_id, $dim_id, " AND om.is_optimization=0");
                         $value = "";
                         foreach ($members as $member) {
                             /* @var $member Member */
                             $val = $member->getPath();
                             $val .= ($val == "" ? "" : "/") . $member->getName();
                             if ($value != "") {
                                 $val = " - {$val}";
                             }
                             $value .= $val;
                         }
                         $row_values[$field] = $value;
                     } else {
                         if ($object instanceof Timeslot) {
                             if ($field == 'id') {
                                 $value = $object->getObjectId();
                             } else {
                                 $value = $object->getColumnValue($field);
                                 // if it is a task column
                                 if (in_array($field, ProjectTasks::instance()->getColumns())) {
                                     $task = ProjectTasks::findById($object->getRelObjectId());
                                     // if task exists
                                     if ($task instanceof ProjectTask) {
                                         $value = $task->getColumnValue($field);
                                         // if it is an external task column
                                         if (in_array($field, ProjectTasks::instance()->getExternalColumns())) {
                                             $value = self::instance()->getExternalColumnValue($field, $value, ProjectTasks::instance());
                                         } else {
                                             // if is a date then use format
                                             if (ProjectTasks::instance()->getColumnType($field) == DATA_TYPE_DATETIME && $value instanceof DateTimeValue) {
                                                 $value = format_value_to_print($field, $value->toMySQL(), DATA_TYPE_DATETIME, $report->getReportObjectTypeId());
                                             }
                                         }
                                     }
                                     $results['columns'][$field] = lang('field ProjectTasks ' . $field);
                                     $results['db_columns'][lang('field ProjectTasks ' . $field)] = $field;
                                 }
                             }
                         } else {
                             $value = $object->getColumnValue($field);
                         }
                         if ($value instanceof DateTimeValue) {
                             $dateFormat = user_config_option('date_format');
                             Hook::fire("custom_property_date_format", null, $dateFormat);
                             $tz = logged_user()->getTimezone();
                             if ($object instanceof ProjectTask) {
                                 if ($field == 'due_date' && !$object->getUseDueTime() || $field == 'start_date' && !$object->getUseStartTime()) {
                                     $dateFormat = user_config_option('date_format');
                                     $tz = 0;
                                 }
                             }
                             $value = format_date($value, $dateFormat, $tz * 3600);
                         }
                         if (in_array($field, $managerInstance->getExternalColumns())) {
                             if ($object instanceof Timeslot && $field == 'time') {
                                 $lastStop = $object->getEndTime() != null ? $object->getEndTime() : ($object->isPaused() ? $object->getPausedOn() : DateTimeValueLib::now());
                                 $seconds = $lastStop->getTimestamp() - $object->getStartTime()->getTimestamp();
                                 $hours = number_format($seconds / 3600, 2, ',', '.');
                                 $value = $hours;
                                 //$value = DateTimeValue::FormatTimeDiff($object->getStartTime(), $lastStop, "hm", 60, $object->getSubtract());
                             } else {
                                 if ($object instanceof Timeslot && $field == 'billing') {
                                     $value = config_option('currency_code', '$') . ' ' . $object->getFixedBilling();
                                 } else {
                                     $value = self::instance()->getExternalColumnValue($field, $value, $managerInstance);
                                 }
                             }
                         } else {
                             if ($field != 'link') {
                                 //$value = html_to_text(html_entity_decode($value));
                                 if ($object->getColumnType($field) == DATA_TYPE_STRING) {
                                     // change html block end tags and brs to \n, then remove all other html tags, then replace \n with <br>, to remove all styles and keep the enters
                                     $value = str_replace(array("</div>", "</p>", "<br>", "<br />", "<br/>"), "\n", $value);
                                     $value = nl2br(strip_tags($value));
                                 }
                             }
                         }
                         if (self::isReportColumnEmail($value)) {
                             if (logged_user()->hasMailAccounts()) {
                                 $value = '<a class="internalLink" href="' . get_url('mail', 'add_mail', array('to' => clean($value))) . '">' . clean($value) . '</a></div>';
                             } else {
                                 $value = '<a class="internalLink" target="_self" href="mailto:' . clean($value) . '">' . clean($value) . '</a></div>';
                             }
                         }
                         $row_values[$field] = $value;
                         if ($ot->getHandlerClass() == 'Contacts') {
                             if ($managerInstance instanceof Contacts) {
                                 $contact = Contacts::findOne(array("conditions" => "object_id = " . $object->getId()));
                                 if ($field == "email_address") {
                                     $row_values[$field] = $contact->getEmailAddress();
                                 }
                                 if ($field == "is_user") {
                                     $row_values[$field] = $contact->getUserType() > 0 && !$contact->getIsCompany();
                                 }
                                 if ($field == "im_values") {
                                     $str = "";
                                     foreach ($contact->getAllImValues() as $type => $value) {
                                         $str .= ($str == "" ? "" : " | ") . "{$type}: {$value}";
                                     }
                                     $row_values[$field] = $str;
                                 }
                                 if (in_array($field, array("mobile_phone", "work_phone", "home_phone"))) {
                                     if ($field == "mobile_phone") {
                                         $row_values[$field] = $contact->getPhoneNumber('mobile', null, false);
                                     } else {
                                         if ($field == "work_phone") {
                                             $row_values[$field] = $contact->getPhoneNumber('work', null, false);
                                         } else {
                                             if ($field == "home_phone") {
                                                 $row_values[$field] = $contact->getPhoneNumber('home', null, false);
                                             }
                                         }
                                     }
                                 }
                                 if (in_array($field, array("personal_webpage", "work_webpage", "other_webpage"))) {
                                     if ($field == "personal_webpage") {
                                         $row_values[$field] = $contact->getWebpageUrl('personal');
                                     } else {
                                         if ($field == "work_webpage") {
                                             $row_values[$field] = $contact->getWebpageUrl('work');
                                         } else {
                                             if ($field == "other_webpage") {
                                                 $row_values[$field] = $contact->getWebpageUrl('other');
                                             }
                                         }
                                     }
                                 }
                                 if (in_array($field, array("home_address", "work_address", "other_address"))) {
                                     if ($field == "home_address") {
                                         $row_values[$field] = $contact->getStringAddress('home');
                                     } else {
                                         if ($field == "work_address") {
                                             $row_values[$field] = $contact->getStringAddress('work');
                                         } else {
                                             if ($field == "other_address") {
                                                 $row_values[$field] = $contact->getStringAddress('other');
                                             }
                                         }
                                     }
                                 }
                             }
                         } else {
                             if ($ot->getHandlerClass() == 'MailContents') {
                                 if (in_array($field, array('to', 'cc', 'bcc', 'body_plain', 'body_html'))) {
                                     $mail_data = MailDatas::findById($object->getId());
                                     $row_values[$field] = $mail_data->getColumnValue($field);
                                     if ($field == "body_html") {
                                         if (class_exists("DOMDocument")) {
                                             $d = new DOMDocument();
                                             $mock = new DOMDocument();
                                             $d->loadHTML(remove_css_and_scripts($row_values[$field]));
                                             $body = $d->getElementsByTagName('body')->item(0);
                                             foreach ($body->childNodes as $child) {
                                                 $mock->appendChild($mock->importNode($child, true));
                                             }
                                             // if css is inside an html comment => remove it
                                             $row_values[$field] = preg_replace('/<!--(.*)-->/Uis', '', remove_css($row_values[$field]));
                                         } else {
                                             $row_values[$field] = preg_replace('/<!--(.*)-->/Uis', '', remove_css_and_scripts($row_values[$field]));
                                         }
                                     }
                                 }
                             }
                         }
                         if (!$to_print && $field == "name") {
                             $row_values[$field] = '<a target="new-' . $object->getId() . '" href="' . $object->getViewUrl() . '">' . $value . '</a>';
                         }
                     }
                 } else {
                     $colCp = $column->getCustomPropertyId();
                     $cp = CustomProperties::getCustomProperty($colCp);
                     if ($cp instanceof CustomProperty) {
                         /* @var $cp CustomProperty */
                         $row_values[$cp->getName()] = get_custom_property_value_for_listing($cp, $object);
                         $results['columns'][$colCp] = $cp->getName();
                         $results['db_columns'][$cp->getName()] = $colCp;
                     }
                 }
             }
             Hook::fire("report_row", $object, $row_values);
             $report_rows[] = $row_values;
         }
         if (!$to_print) {
             if (is_array($results['columns'])) {
                 array_unshift($results['columns'], '');
             } else {
                 $results['columns'] = array('');
             }
             Hook::fire("report_header", $ot, $results['columns']);
         }
         $results['rows'] = $report_rows;
     }
     return $results;
 }
	function delete($deleteMails = false){
		MailAccountContacts::deleteByAccount($this);
		if ($deleteMails) {
			session_commit();
			ini_set('memory_limit', '1024M');
			
			LinkedObjects::delete(array("(`object_id` IN (SELECT `object_id` FROM `".TABLE_PREFIX."mail_contents` WHERE `account_id` = " . DB::escape($this->getId()).")) 
				or (`rel_object_id` IN (SELECT `object_id` FROM `".TABLE_PREFIX."mail_contents` WHERE `account_id` = " . DB::escape($this->getId())."))")); 
			
      		SearchableObjects::delete(array("`rel_object_id` IN (SELECT `object_id` FROM `".TABLE_PREFIX."mail_contents` WHERE `account_id` = " . DB::escape($this->getId()).") "));
			ReadObjects::delete("`rel_object_id` IN (SELECT `object_id` FROM `".TABLE_PREFIX."mail_contents` WHERE `account_id` = " . DB::escape($this->getId()).") ");
			
			$account_email_ids = MailContents::findAll(array('id' => true, 'conditions' => '`account_id` = ' . DB::escape($this->getId()), 'include_trashed' => true));
			if (count($account_email_ids) > 0) {
				MailDatas::delete('id IN ('.implode(',', $account_email_ids).')');
				MailContents::delete('`account_id` = ' . DB::escape($this->getId()));
			}
		}
		if ($this->getIsImap()) {
			MailAccountImapFolders::delete('account_id = ' . $this->getId());
		}
		parent::delete();
	}
 /**
  * This function will return paginated result. Result is an array where first element is
  * array of returned object and second populated pagination object that can be used for
  * obtaining and rendering pagination data using various helpers.
  *
  * Items and pagination array vars are indexed with 0 for items and 1 for pagination
  * because you can't use associative indexing with list() construct
  *
  * @access public
  * @param array $arguments Query argumens (@see find()) Limit and offset are ignored!
  * @param integer $items_per_page Number of items per page
  * @param integer $current_page Current page number
  * @return array
  */
 function paginate($arguments = null, $items_per_page = 10, $current_page = 1, $count = null)
 {
     if (isset($this) && instance_of($this, 'MailDatas')) {
         return parent::paginate($arguments, $items_per_page, $current_page, $count);
     } else {
         return MailDatas::instance()->paginate($arguments, $items_per_page, $current_page, $count);
         //$instance =& MailDatas::instance();
         //return $instance->paginate($arguments, $items_per_page, $current_page);
     }
     // if
 }
 /**
  * Return manager instance
  *
  * @access protected
  * @param void
  * @return MailDatas
  */
 function manager()
 {
     if (!$this->manager instanceof MailDatas) {
         $this->manager = MailDatas::instance();
     }
     return $this->manager;
 }