PHP DateTimeValue::add方法代码示例

function getEventLimits($event, $date, &$event_start, &$event_duration, &$end_modified)
{
    $end_modified = false;
    if ($event instanceof ProjectEvent) {
        $event_start = new DateTimeValue($event->getStart()->getTimestamp() + 3600 * logged_user()->getTimezone());
        $event_duration = new DateTimeValue($event->getDuration()->getTimestamp() + 3600 * logged_user()->getTimezone());
    } else {
        if ($event instanceof ProjectTask) {
            /* @var $event ProjectTask */
            $work_day_start = new DateTimeValue($date->getTimestamp());
            $wsd = user_config_option('work_day_start_time');
            $work_day_start->setHour(substr($wsd, 0, strpos($wsd, ':')));
            $work_day_start->setMinute(substr($wsd, strpos($wsd, ':') + 1));
            if ($event->getStartDate() instanceof DateTimeValue) {
                $event_start = new DateTimeValue($event->getStartDate()->getTimestamp() + 3600 * logged_user()->getTimezone());
            } else {
                if ($event->getTimeEstimate() > 0 && $event->getDueDate() instanceof DateTimeValue) {
                    $event_start = new DateTimeValue($event->getDueDate()->getTimestamp() + 3600 * logged_user()->getTimezone());
                    $event_start->advance($event->getTimeEstimate() * -60);
                } else {
                    $event_start = $work_day_start;
                }
            }
            $work_day_end = new DateTimeValue($date->getTimestamp());
            $wed = user_config_option('work_day_end_time');
            $work_day_end->setHour(substr($wed, 0, strpos($wed, ':')));
            $work_day_end->setMinute(substr($wed, strpos($wed, ':') + 1));
            if ($event->getDueDate() instanceof DateTimeValue) {
                $event_duration = new DateTimeValue($event->getDueDate()->getTimestamp() + 3600 * logged_user()->getTimezone());
            } else {
                if ($event->getTimeEstimate() > 0 && $event->getStartDate() instanceof DateTimeValue) {
                    $event_duration = new DateTimeValue($event_start->getTimestamp());
                    $event_duration->advance($event->getTimeEstimate() * 60);
                } else {
                    $event_duration = $work_day_end;
                }
            }
        }
    }
    $tomorrow = new DateTimeValue($date->getTimestamp());
    $tomorrow->add('d', 1);
    if ($event_duration->getTimestamp() > $tomorrow->getTimestamp()) {
        $event_duration = new DateTimeValue($tomorrow->getTimestamp());
        $end_modified = true;
    }
    if ($event_start->getTimestamp() < $date->getTimestamp()) {
        if (!$event->isRepetitive()) {
            $event_start = new DateTimeValue($date->getTimestamp());
        } else {
            $event_start->setDay($date->getDay());
            $event_start->setMonth($date->getMonth());
            $event_start->setYear($date->getYear());
        }
    }
}

function getEventLimits($event, $date, &$event_start, &$event_duration, &$end_modified)
{
    $end_modified = false;
    $event_start = new DateTimeValue($event->getStart()->getTimestamp() + 3600 * logged_user()->getTimezone());
    $event_duration = new DateTimeValue($event->getDuration()->getTimestamp() + 3600 * logged_user()->getTimezone());
    $tomorrow = new DateTimeValue($date->getTimestamp());
    $tomorrow->add('d', 1);
    if ($event_duration->getTimestamp() > $tomorrow->getTimestamp()) {
        $event_duration = new DateTimeValue($tomorrow->getTimestamp());
        $end_modified = true;
    }
    if ($event_start->getTimestamp() < $date->getTimestamp()) {
        if (!$event->isRepetitive()) {
            $event_start = new DateTimeValue($date->getTimestamp());
        } else {
            $event_start->setDay($date->getDay());
            $event_start->setMonth($date->getMonth());
            $event_start->setYear($date->getYear());
        }
    }
}

 function instantiate()
 {
     $selected_members = array();
     $id = get_id();
     $template = COTemplates::findById($id);
     if (!$template instanceof COTemplate) {
         flash_error(lang("template dnx"));
         ajx_current("empty");
         return;
     }
     $parameters = TemplateParameters::getParametersByTemplate($id);
     $parameterValues = array_var($_POST, 'parameterValues');
     if (count($parameters) > 0 && !isset($parameterValues)) {
         ajx_current("back");
         return;
     }
     if (array_var($_POST, 'members')) {
         $selected_members = json_decode(array_var($_POST, 'members'));
     } else {
         $context = active_context();
         foreach ($context as $selection) {
             if ($selection instanceof Member) {
                 $selected_members[] = $selection->getId();
             }
         }
     }
     $objects = $template->getObjects();
     $controller = new ObjectController();
     if (count($selected_members > 0)) {
         $selected_members_instances = Members::findAll(array('conditions' => 'id IN (' . implode($selected_members) . ')'));
     } else {
         $selected_members_instances = array();
     }
     DB::beginWork();
     $active_context = active_context();
     foreach ($objects as $object) {
         if (!$object instanceof ContentDataObject) {
             continue;
         }
         // copy object
         $copy = $object->copy();
         if ($copy->columnExists('is_template')) {
             $copy->setColumnValue('is_template', false);
         }
         if ($copy instanceof ProjectTask) {
             // don't copy parent task and milestone
             $copy->setMilestoneId(0);
             $copy->setParentId(0);
         }
         $copy->save();
         /*		if (!can_write(logged_user(), $selected_members_instances, $copy->getObjectTypeId()) ) {
         				flash_error(lang('no context permissions to add', $copy instanceof ProjectTask ? lang("tasks") : ($copy instanceof ProjectMilestone ? lang('milestones') : '')));
         				DB::rollback();
         				ajx_current("empty");
         				return;
         			}*/
         // Copy members from origial object, if it doesn't have then use active context members
         /*	$template_object_members = $object->getMemberIds();
         			if (count($template_object_members) == 0) {
         				$object_member_ids = active_context_members(false);
         				if (count($object_member_ids) > 0) {
         					$template_object_members = Members::findAll(array("id" => true, "conditions" => "id IN (".implode(",", $object_member_ids).")"));
         				}
         			}*/
         /* Set instantiated object members:
          * foreach dimension:
          * 		if no member is active then the instantiated object is put in the same members as the original for current dimension
          * 		if a member is selected in current dimension then the instantiated object will be put in that member  
          */
         $template_object_members = $object->getMembers();
         $object_members = array();
         foreach ($active_context as $selection) {
             if ($selection instanceof Member) {
                 // member selected
                 $object_members[] = $selection->getId();
             } else {
                 if ($selection instanceof Dimension) {
                     // no member selected
                     foreach ($template_object_members as $tom) {
                         if ($tom->getDimensionId() == $selection->getId()) {
                             $object_members[] = $tom->getId();
                         }
                     }
                 }
             }
         }
         $controller->add_to_members($copy, $object_members);
         // copy linked objects
         $copy->copyLinkedObjectsFrom($object);
         // copy subtasks if applicable
         if ($copy instanceof ProjectTask) {
             ProjectTasks::copySubTasks($object, $copy, false);
             foreach ($copy->getOpenSubTasks(false) as $m_task) {
                 $controller->add_to_members($m_task, $object_members);
             }
             $manager = $copy->manager();
         } else {
             if ($copy instanceof ProjectMilestone) {
                 ProjectMilestones::copyTasks($object, $copy, false);
                 foreach ($copy->getTasks(false) as $m_task) {
//.........这里部分代码省略.........

	/**
	 * Returns the date for the datetimevalue's week's monday
	 *
	 * @return DateTimeValue
	 */
	function getMondayOfWeek(){
		$dow = (integer)$this->format('N');
		$dt = new DateTimeValue($this->getTimestamp());
		$dt->add('d', -($dow - 1));
		return $dt;
	}

 /**
  * Edit timeslot
  *
  * @param void
  * @return null
  */
 function edit()
 {
     $this->setTemplate('add_timeslot');
     $timeslot = Timeslots::findById(get_id());
     if (!$timeslot instanceof Timeslot) {
         flash_error(lang('timeslot dnx'));
         ajx_current("empty");
         return;
     }
     $object = $timeslot->getRelObject();
     if (!$object instanceof ContentDataObject) {
         flash_error(lang('object dnx'));
         ajx_current("empty");
         return;
     }
     if (!$object->canAddTimeslot(logged_user())) {
         flash_error(lang('no access permissions'));
         ajx_current("empty");
         return;
     }
     if (!$timeslot->canEdit(logged_user())) {
         flash_error(lang('no access permissions'));
         ajx_current("empty");
         return;
     }
     $timeslot_data = array_var($_POST, 'timeslot');
     if (!is_array($timeslot_data)) {
         $timeslot_data = array('contact_id' => $timeslot->getContactId(), 'description' => $timeslot->getDescription(), 'start_time' => $timeslot->getStartTime(), 'end_time' => $timeslot->getEndTime(), 'is_fixed_billing' => $timeslot->getIsFixedBilling(), 'hourly_billing' => $timeslot->getHourlyBilling(), 'fixed_billing' => $timeslot->getFixedBilling());
     }
     tpl_assign('timeslot_form_object', $object);
     tpl_assign('timeslot', $timeslot);
     tpl_assign('timeslot_data', $timeslot_data);
     tpl_assign('show_billing', BillingCategories::count() > 0);
     if (is_array(array_var($_POST, 'timeslot'))) {
         try {
             $this->percent_complete_delete($timeslot);
             $timeslot->setContactId(array_var($timeslot_data, 'contact_id', logged_user()->getId()));
             $timeslot->setDescription(array_var($timeslot_data, 'description'));
             $st = getDateValue(array_var($timeslot_data, 'start_value'), DateTimeValueLib::now());
             $st->setHour(array_var($timeslot_data, 'start_hour'));
             $st->setMinute(array_var($timeslot_data, 'start_minute'));
             $et = getDateValue(array_var($timeslot_data, 'end_value'), DateTimeValueLib::now());
             $et->setHour(array_var($timeslot_data, 'end_hour'));
             $et->setMinute(array_var($timeslot_data, 'end_minute'));
             $st = new DateTimeValue($st->getTimestamp() - logged_user()->getTimezone() * 3600);
             $et = new DateTimeValue($et->getTimestamp() - logged_user()->getTimezone() * 3600);
             $timeslot->setStartTime($st);
             $timeslot->setEndTime($et);
             if ($timeslot->getStartTime() > $timeslot->getEndTime()) {
                 flash_error(lang('error start time after end time'));
                 ajx_current("empty");
                 return;
             }
             $seconds = array_var($timeslot_data, 'subtract_seconds', 0);
             $minutes = array_var($timeslot_data, 'subtract_minutes', 0);
             $hours = array_var($timeslot_data, 'subtract_hours', 0);
             $subtract = $seconds + 60 * $minutes + 3600 * $hours;
             if ($subtract < 0) {
                 flash_error(lang('pause time cannot be negative'));
                 ajx_current("empty");
                 return;
             }
             $testEndTime = new DateTimeValue($timeslot->getEndTime()->getTimestamp());
             $testEndTime->add('s', -$subtract);
             if ($timeslot->getStartTime() > $testEndTime) {
                 flash_error(lang('pause time cannot exceed timeslot time'));
                 ajx_current("empty");
                 return;
             }
             $timeslot->setSubtract($subtract);
             if ($timeslot->getUser()->getDefaultBillingId()) {
                 $timeslot->setIsFixedBilling(array_var($timeslot_data, 'is_fixed_billing', false));
                 $timeslot->setHourlyBilling(array_var($timeslot_data, 'hourly_billing', 0));
                 if ($timeslot->getIsFixedBilling()) {
                     $timeslot->setFixedBilling(array_var($timeslot_data, 'fixed_billing', 0));
                 } else {
                     $timeslot->setFixedBilling($timeslot->getHourlyBilling() * $timeslot->getMinutes() / 60);
                 }
                 if ($timeslot->getBillingId() == 0 && ($timeslot->getHourlyBilling() > 0 || $timeslot->getFixedBilling() > 0)) {
                     $timeslot->setBillingId($timeslot->getUser()->getDefaultBillingId());
                 }
             }
             DB::beginWork();
             $timeslot->save();
             $timeslot_time = ($timeslot->getEndTime()->getTimestamp() - ($timeslot->getStartTime()->getTimestamp() + $timeslot->getSubtract())) / 3600;
             $task = ProjectTasks::findById($timeslot->getRelObjectId());
             if ($task->getTimeEstimate() > 0) {
                 $timeslot_percent = round($timeslot_time * 100 / ($task->getTimeEstimate() / 60));
                 $total_percentComplete = $timeslot_percent + $task->getPercentCompleted();
                 if ($total_percentComplete < 0) {
                     $total_percentComplete = 0;
                 }
                 $task->setPercentCompleted($total_percentComplete);
                 $task->save();
//.........这里部分代码省略.........

	function move_event() {
		if (logged_user()->isGuest()) {
			flash_error(lang('no access permissions'));
			ajx_current("empty");
			return;
		}
		$event = ProjectEvents::findById(get_id());
		if(!$event->canEdit(logged_user())){	    	
			flash_error(lang('no access permissions'));
			ajx_current("empty");
			return;
	    }
	    $is_read = $event->getIsRead(logged_user()->getId());
		
	    $year = array_var($_GET, 'year', $event->getStart()->getYear());
	    $month = array_var($_GET, 'month', $event->getStart()->getMonth());
	    $day = array_var($_GET, 'day', $event->getStart()->getDay());
	    $hour = array_var($_GET, 'hour', 0);
	    $min = array_var($_GET, 'min', 0);
	    
	    if ($hour == -1) $hour = format_date($event->getStart(), 'H', logged_user()->getTimezone() );
	    if ($min == -1) $min = format_date($event->getStart(), 'i', logged_user()->getTimezone() );
	    
		if ($event->isRepetitive()) {
			$orig_date = DateTimeValueLib::dateFromFormatAndString('Y-m-d H:i:s', array_var($_GET, 'orig_date'));
			$diff = DateTimeValueLib::get_time_difference($orig_date->getTimestamp(), mktime($hour, $min, 0, $month, $day, $year));
		    $new_start = new DateTimeValue($event->getStart()->getTimestamp());
		    $new_start->add('d', $diff['days']);
		    $new_start->add('h', $diff['hours']);
		    $new_start->add('m', $diff['minutes']);
		    
		    if ($event->getRepeatH()) {
		    	$event->setRepeatDow(date("w", mktime($hour, $min, 0, $month, $day, $year))+1);
		    	$wnum = 0;
		    	$tmp_day = $new_start->getDay();
		    	while ($tmp_day > 0) {
		    		$tmp_day -= 7;
		    		$wnum++;
		    	}
		    	$event->setRepeatWnum($wnum);
		    }
	    } else {
		    $new_start = new DateTimeValue(mktime($hour, $min, 0, $month, $day, $year) - logged_user()->getTimezone() * 3600);
	    }

	    $diff = DateTimeValueLib::get_time_difference($event->getStart()->getTimestamp(), $event->getDuration()->getTimestamp());
	    $new_duration = new DateTimeValue($new_start->getTimestamp());
	    $new_duration->add('d', $diff['days']);
	    $new_duration->add('h', $diff['hours']);
	    $new_duration->add('m', $diff['minutes']);
	    
	    // see if we have to reload
		$os = format_date($event->getStart(), 'd', logged_user()->getTimezone() );
		$od = format_date($event->getDuration(), 'd', logged_user()->getTimezone() );
		$ohm = format_date($event->getDuration(), 'H:i', logged_user()->getTimezone() );
		$nd = format_date($new_duration, 'd', logged_user()->getTimezone() );
		$nhm = format_date($new_duration, 'H:i', logged_user()->getTimezone() );
		$different_days = ($os != $od && $ohm != '00:00') || ($day != $nd && $nhm != '00:00');
	    
        DB::beginWork();
	    $event->setStart($new_start->format("Y-m-d H:i:s"));
	    $event->setDuration($new_duration->format("Y-m-d H:i:s"));
	    $event->save();
		
	    $old_reminders = ObjectReminders::getByObject($event);	    
		if($old_reminders != null){		
			$object_controller = new ObjectController();								
			$object_controller->update_reminders($event, $old_reminders); //updating the old ones			
		}else if(user_config_option("add_event_autoreminder")){
			$reminder = new ObjectReminder();
			$def = explode(",",user_config_option("reminders_events"));
			$minutes = array_var($def, 2) * array_var($def, 1);
          	$reminder->setMinutesBefore($minutes);
            $reminder->setType(array_var($def, 0));
            $reminder->setContext("start");
            $reminder->setObject($event);
            $reminder->setUserId(0);
            $date = $event->getStart();
			if ($date instanceof DateTimeValue) {
				$rdate = new DateTimeValue($date->getTimestamp() - $minutes * 60);
				$reminder->setDate($rdate);
			}
			$reminder->save();
		}
        if (!$is_read) {
            $event->setIsRead(logged_user()->getId(), false);
        }
        if($event->getSpecialID() != ""){
            $this->sync_calendar_extern($event);
        }
            
	    DB::commit();
    
	    ajx_extra_data($this->get_updated_event_data($event));
	    if ($different_days || $event->isRepetitive()) ajx_current("reload");
	    else ajx_current("empty");
	}

 function instantiate()
 {
     $id = get_id();
     $template = COTemplates::findById($id);
     if (!$template instanceof COTemplate) {
         flash_error(lang("template dnx"));
         ajx_current("empty");
         return;
     }
     $parameters = TemplateParameters::getParametersByTemplate($id);
     $parameterValues = array_var($_POST, 'parameterValues');
     if (count($parameters) > 0 && !isset($parameterValues)) {
         ajx_current("back");
         return;
     }
     $objects = $template->getObjects();
     foreach ($objects as $object) {
         if (!$object instanceof ProjectDataObject) {
             continue;
         }
         // copy object
         $copy = $object->copy();
         if ($copy->columnExists('is_template')) {
             $copy->setColumnValue('is_template', false);
         }
         if ($copy instanceof ProjectTask) {
             // don't copy parent task and milestone
             $copy->setMilestoneId(0);
             $copy->setParentId(0);
         }
         $copy->save();
         $wsId = array_var($_POST, 'project_id', active_or_personal_project()->getId());
         // if specified, set workspace
         $workspace = Projects::findById($wsId);
         if (!$workspace instanceof Project) {
             $workspace = active_or_personal_project();
         }
         $copy->addToWorkspace($workspace);
         // add object tags and specified tags
         $tags = implode(',', $object->getTagNames());
         $copy->setTagsFromCSV($tags . "," . array_var($_POST, 'tags'));
         // copy linked objects
         $copy->copyLinkedObjectsFrom($object);
         // copy subtasks if applicable
         if ($copy instanceof ProjectTask) {
             ProjectTasks::copySubTasks($object, $copy, false);
             $manager = new ProjectTask();
         } else {
             if ($copy instanceof ProjectMilestone) {
                 ProjectMilestones::copyTasks($object, $copy, false);
                 $manager = new ProjectMilestone();
             }
         }
         // copy custom properties
         $copy->copyCustomPropertiesFrom($object);
         // set property values as defined in template
         $objProp = TemplateObjectProperties::getPropertiesByTemplateObject($id, $object->getId());
         foreach ($objProp as $property) {
             $propName = $property->getProperty();
             $value = $property->getValue();
             if ($manager->getColumnType($propName) == DATA_TYPE_STRING) {
                 if (is_array($parameterValues)) {
                     foreach ($parameterValues as $param => $val) {
                         $value = str_replace('{' . $param . '}', $val, $value);
                     }
                 }
             } else {
                 if ($manager->getColumnType($propName) == DATA_TYPE_DATE || $manager->getColumnType($propName) == DATA_TYPE_DATETIME) {
                     $operator = '+';
                     if (strpos($value, '+') === false) {
                         $operator = '-';
                     }
                     $opPos = strpos($value, $operator);
                     if ($opPos !== false) {
                         $dateParam = substr($value, 1, strpos($value, '}') - 1);
                         $dateUnit = substr($value, strlen($value) - 1);
                         // d, w or m (for days, weeks or months)
                         if ($dateUnit == 'm') {
                             $dateUnit = 'M';
                             // make month unit uppercase to call DateTimeValue::add with correct parameter
                         }
                         $dateNum = (int) substr($value, strpos($value, $operator), strlen($value) - 2);
                         $date = $parameterValues[$dateParam];
                         $date = DateTimeValueLib::dateFromFormatAndString(user_config_option('date_format'), $date);
                         $value = $date->add($dateUnit, $dateNum);
                     }
                 } else {
                     if ($manager->getColumnType($propName) == DATA_TYPE_INTEGER) {
                         if (is_array($parameterValues)) {
                             foreach ($parameterValues as $param => $val) {
                                 $value = str_replace('{' . $param . '}', $val, $value);
                             }
                         }
                     }
                 }
             }
             if ($value != '') {
                 $copy->setColumnValue($propName, $value);
                 $copy->save();
             }
//.........这里部分代码省略.........

 function cloneTask($new_st_date = '', $new_due_date = '', $copy_status = false, $copy_repeat_options = true, $parent_subtask = 0)
 {
     $new_task = new TemplateTask();
     if ($parent_subtask != 0) {
         $new_task->setParentId($parent_subtask);
     } else {
         $new_task->setParentId($this->getParentId());
     }
     $new_task->setObjectName($this->getObjectName());
     $new_task->setText($this->getText());
     $new_task->setAssignedToContactId($this->getAssignedToContactId());
     $new_task->setAssignedOn($this->getAssignedOn());
     $new_task->setAssignedById($this->getAssignedById());
     $new_task->setTimeEstimate($this->getTimeEstimate());
     $new_task->setStartedOn($this->getStartedOn());
     $new_task->setStartedById($this->getStartedById());
     $new_task->setPriority($this->getPriority());
     $new_task->setState($this->getState());
     $new_task->setOrder($this->getOrder());
     $new_task->setMilestoneId($this->getMilestoneId());
     $new_task->setFromTemplateId($this->getFromTemplateId());
     $new_task->setUseStartTime($this->getUseStartTime());
     $new_task->setUseDueTime($this->getUseDueTime());
     $new_task->setTypeContent($this->getTypeContent());
     if ($this->getParentId() == 0) {
         //if not subtask
         if ($this->getOriginalTaskId() == 0) {
             $new_task->setOriginalTaskId($this->getObjectId());
         } else {
             $new_task->setOriginalTaskId($this->getOriginalTaskId());
         }
     }
     if ($this->getDueDate() instanceof DateTimeValue) {
         $new_task->setDueDate(new DateTimeValue($this->getDueDate()->getTimestamp()));
     }
     if ($this->getStartDate() instanceof DateTimeValue) {
         $new_task->setStartDate(new DateTimeValue($this->getStartDate()->getTimestamp()));
     }
     if ($copy_status) {
         $new_task->setCompletedById($this->getCompletedById());
         $new_task->setCompletedOn($this->getCompletedOn());
     }
     if ($copy_repeat_options) {
         $new_task->setRepeatEnd($this->getRepeatEnd());
         $new_task->setRepeatForever($this->getRepeatForever());
         $new_task->setRepeatNum($this->getRepeatNum());
         $new_task->setRepeatBy($this->getRepeatBy());
         $new_task->setRepeatD($this->getRepeatD());
         $new_task->setRepeatM($this->getRepeatM());
         $new_task->setRepeatY($this->getRepeatY());
     }
     if ($new_st_date != "") {
         if ($new_task->getStartDate() instanceof DateTimeValue) {
             $new_task->setStartDate($new_st_date);
         }
     }
     if ($new_due_date != "") {
         if ($new_task->getDueDate() instanceof DateTimeValue) {
             $new_task->setDueDate($new_due_date);
         }
     }
     $new_task->save();
     if (is_array($this->getAllLinkedObjects())) {
         foreach ($this->getAllLinkedObjects() as $lo) {
             $new_task->linkObject($lo);
         }
     }
     $sub_tasks = $this->getAllSubTasks();
     foreach ($sub_tasks as $st) {
         $new_dates = $this->getNextRepetitionDatesSubtask($st, $new_task, $new_st_date, $new_due_date);
         if ($st->getParentId() == $this->getId()) {
             $new_st = $st->cloneTask(array_var($new_dates, 'st'), array_var($new_dates, 'due'), $copy_status, $copy_repeat_options, $new_task->getId());
             if ($copy_status) {
                 $new_st->setCompletedById($st->getCompletedById());
                 $new_st->setCompletedOn($st->getCompletedOn());
                 $new_st->save();
             }
             $new_task->attachTask($new_st);
         }
     }
     foreach ($this->getAllComments() as $com) {
         $new_com = new Comment();
         $new_com->setAuthorEmail($com->getAuthorEmail());
         $new_com->setAuthorName($com->getAuthorName());
         $new_com->setAuthorHomepage($com->getAuthorHomepage());
         $new_com->setCreatedById($com->getCreatedById());
         $new_com->setCreatedOn($com->getCreatedOn());
         $new_com->setUpdatedById($com->getUpdatedById());
         $new_com->setUpdatedOn($com->getUpdatedOn());
         $new_com->setText($com->getText());
         $new_com->setRelObjectId($new_task->getId());
         $new_com->save();
     }
     $_POST['subscribers'] = array();
     foreach ($this->getSubscribers() as $sub) {
         $_POST['subscribers']["user_" . $sub->getId()] = "checked";
     }
     $obj_controller = new ObjectController();
     $obj_controller->add_to_members($new_task, $this->getMemberIds());
     $obj_controller->add_subscribers($new_task);
//.........这里部分代码省略.........

 /**
  * Edit timeslot
  *
  * @param void
  * @return null
  */
 function edit()
 {
     if (!can_manage_time(logged_user(), true)) {
         flash_error(lang('no access permissions'));
         ajx_current("empty");
         return;
     }
     $this->setTemplate('add_timeslot');
     $timeslot = Timeslots::findById(get_id());
     if (!$timeslot instanceof Timeslot) {
         flash_error(lang('timeslot dnx'));
         ajx_current("empty");
         return;
     }
     // if
     $object = $timeslot->getObject();
     if (!$object instanceof ProjectDataObject) {
         flash_error(lang('object dnx'));
         ajx_current("empty");
         return;
     }
     // if
     if (!$object->canAddTimeslot(logged_user())) {
         flash_error(lang('no access permissions'));
         ajx_current("empty");
         return;
     }
     // if
     if (!$timeslot->canEdit(logged_user())) {
         flash_error(lang('no access permissions'));
         ajx_current("empty");
         return;
     }
     // if
     $timeslot_data = array_var($_POST, 'timeslot');
     if (!is_array($timeslot_data)) {
         $timeslot_data = array('description' => $timeslot->getDescription(), 'start_time' => $timeslot->getStartTime(), 'end_time' => $timeslot->getEndTime(), 'is_fixed_billing' => $timeslot->getIsFixedBilling(), 'hourly_billing' => $timeslot->getHourlyBilling(), 'fixed_billing' => $timeslot->getFixedBilling());
         // array
     }
     // if
     tpl_assign('timeslot_form_object', $object);
     tpl_assign('timeslot', $timeslot);
     tpl_assign('timeslot_data', $timeslot_data);
     tpl_assign('show_billing', BillingCategories::count() > 0);
     if (is_array(array_var($_POST, 'timeslot'))) {
         try {
             $timeslot->setDescription(array_var($timeslot_data, 'description'));
             $st = getDateValue(array_var($timeslot_data, 'start_value'), DateTimeValueLib::now());
             $st->setHour(array_var($timeslot_data, 'start_hour'));
             $st->setMinute(array_var($timeslot_data, 'start_minute'));
             $et = getDateValue(array_var($timeslot_data, 'end_value'), DateTimeValueLib::now());
             $et->setHour(array_var($timeslot_data, 'end_hour'));
             $et->setMinute(array_var($timeslot_data, 'end_minute'));
             $st = new DateTimeValue($st->getTimestamp() - logged_user()->getTimezone() * 3600);
             $et = new DateTimeValue($et->getTimestamp() - logged_user()->getTimezone() * 3600);
             $timeslot->setStartTime($st);
             $timeslot->setEndTime($et);
             if ($timeslot->getStartTime() > $timeslot->getEndTime()) {
                 flash_error(lang('error start time after end time'));
                 ajx_current("empty");
                 return;
             }
             $seconds = array_var($timeslot_data, 'subtract_seconds', 0);
             $minutes = array_var($timeslot_data, 'subtract_minutes', 0);
             $hours = array_var($timeslot_data, 'subtract_hours', 0);
             $subtract = $seconds + 60 * $minutes + 3600 * $hours;
             if ($subtract < 0) {
                 flash_error(lang('pause time cannot be negative'));
                 ajx_current("empty");
                 return;
             }
             $testEndTime = new DateTimeValue($timeslot->getEndTime()->getTimestamp());
             $testEndTime->add('s', -$subtract);
             if ($timeslot->getStartTime() > $testEndTime) {
                 flash_error(lang('pause time cannot exceed timeslot time'));
                 ajx_current("empty");
                 return;
             }
             $timeslot->setSubtract($subtract);
             /* Billing */
             $timeslot->setIsFixedBilling(array_var($timeslot_data, 'is_fixed_billing', false));
             $timeslot->setHourlyBilling(array_var($timeslot_data, 'hourly_billing', 0));
             if ($timeslot->getIsFixedBilling()) {
                 $timeslot->setFixedBilling(array_var($timeslot_data, 'fixed_billing', 0));
             } else {
                 $timeslot->setFixedBilling($timeslot->getHourlyBilling() * $timeslot->getMinutes() / 60);
             }
             if ($timeslot->getBillingId() == 0 && ($timeslot->getHourlyBilling() > 0 || $timeslot->getFixedBilling() > 0)) {
                 $timeslot->setBillingId($timeslot->getUser()->getDefaultBillingId());
             }
             DB::beginWork();
             $timeslot->save();
             DB::commit();
             flash_success(lang('success edit timeslot'));
//.........这里部分代码省略.........

 function move_event()
 {
     if (logged_user()->isGuest()) {
         flash_error(lang('no access permissions'));
         ajx_current("empty");
         return;
     }
     $event = ProjectEvents::findById(get_id());
     if (!$event->canEdit(logged_user())) {
         flash_error(lang('no access permissions'));
         ajx_current("empty");
         return;
     }
     $is_read = $event->getIsRead(logged_user()->getId());
     $year = array_var($_GET, 'year', $event->getStart()->getYear());
     $month = array_var($_GET, 'month', $event->getStart()->getMonth());
     $day = array_var($_GET, 'day', $event->getStart()->getDay());
     $hour = array_var($_GET, 'hour', 0);
     $min = array_var($_GET, 'min', 0);
     if ($hour == -1) {
         $hour = format_date($event->getStart(), 'H', logged_user()->getTimezone());
     }
     if ($min == -1) {
         $min = format_date($event->getStart(), 'i', logged_user()->getTimezone());
     }
     if ($event->isRepetitive()) {
         $orig_date = DateTimeValueLib::dateFromFormatAndString('Y-m-d H:i:s', array_var($_GET, 'orig_date'));
         $diff = DateTimeValueLib::get_time_difference($orig_date->getTimestamp(), mktime($hour, $min, 0, $month, $day, $year));
         $new_start = new DateTimeValue($event->getStart()->getTimestamp());
         $new_start->add('d', $diff['days']);
         $new_start->add('h', $diff['hours']);
         $new_start->add('m', $diff['minutes']);
         if ($event->getRepeatH()) {
             $event->setRepeatDow(date("w", mktime($hour, $min, 0, $month, $day, $year)) + 1);
             $wnum = 0;
             $tmp_day = $new_start->getDay();
             while ($tmp_day > 0) {
                 $tmp_day -= 7;
                 $wnum++;
             }
             $event->setRepeatWnum($wnum);
         }
     } else {
         $new_start = new DateTimeValue(mktime($hour, $min, 0, $month, $day, $year) - logged_user()->getTimezone() * 3600);
     }
     $diff = DateTimeValueLib::get_time_difference($event->getStart()->getTimestamp(), $event->getDuration()->getTimestamp());
     $new_duration = new DateTimeValue($new_start->getTimestamp());
     $new_duration->add('d', $diff['days']);
     $new_duration->add('h', $diff['hours']);
     $new_duration->add('m', $diff['minutes']);
     // see if we have to reload
     $os = format_date($event->getStart(), 'd', logged_user()->getTimezone());
     $od = format_date($event->getDuration(), 'd', logged_user()->getTimezone());
     $ohm = format_date($event->getDuration(), 'H:i', logged_user()->getTimezone());
     $nd = format_date($new_duration, 'd', logged_user()->getTimezone());
     $nhm = format_date($new_duration, 'H:i', logged_user()->getTimezone());
     $different_days = $os != $od && $ohm != '00:00' || $day != $nd && $nhm != '00:00';
     DB::beginWork();
     $event->setStart($new_start->format("Y-m-d H:i:s"));
     $event->setDuration($new_duration->format("Y-m-d H:i:s"));
     $event->save();
     if (!$is_read) {
         $event->setIsRead(logged_user()->getId(), false);
     }
     if ($event->getSpecialID() != "") {
         $this->sync_calendar_extern($event);
     }
     DB::commit();
     ajx_extra_data($this->get_updated_event_data($event));
     if ($different_days || $event->isRepetitive()) {
         ajx_current("reload");
     } else {
         ajx_current("empty");
     }
 }

 /**
  * Returns all events for the given range, tag and considers the active project
  *
  * @param DateTimeValue $date
  * @param String $tags
  * @return unknown
  */
 static function getRangeProjectEvents(DateTimeValue $start_date, DateTimeValue $end_date, $tags = '', $project = null, $archived = false)
 {
     $start_year = date("Y", mktime(0, 0, 1, $start_date->getMonth(), $start_date->getDay(), $start_date->getYear()));
     $start_month = date("m", mktime(0, 0, 1, $start_date->getMonth(), $start_date->getDay(), $start_date->getYear()));
     $start_day = date("d", mktime(0, 0, 1, $start_date->getMonth(), $start_date->getDay(), $start_date->getYear()));
     $end_year = date("Y", mktime(0, 0, 1, $end_date->getMonth(), $end_date->getDay(), $end_date->getYear()));
     $end_month = date("m", mktime(0, 0, 1, $end_date->getMonth(), $end_date->getDay(), $end_date->getYear()));
     $end_day = date("d", mktime(0, 0, 1, $end_date->getMonth(), $end_date->getDay(), $end_date->getYear()));
     if (!is_numeric($start_day) or !is_numeric($start_month) or !is_numeric($start_year) or !is_numeric($end_day) or !is_numeric($end_month) or !is_numeric($end_year)) {
         return NULL;
     }
     $invited = " AND `id` IN (SELECT `event_id` FROM `" . TABLE_PREFIX . "event_invitations` WHERE `contact_id` = " . logged_user()->getId() . ")";
     $tz_hm = "'" . floor(logged_user()->getTimezone()) . ":" . abs(logged_user()->getTimezone()) % 1 * 60 . "'";
     $s_date = new DateTimeValue($start_date->getTimestamp() - logged_user()->getTimezone() * 3600);
     $e_date = new DateTimeValue($end_date->getTimestamp() - logged_user()->getTimezone() * 3600);
     $e_date->add("d", 1);
     $start_date_str = $s_date->format("Y-m-d H:i:s");
     $end_date_str = $e_date->format("Y-m-d H:i:s");
     $first_d = $start_day;
     while ($first_d > 7) {
         $first_d -= 7;
     }
     $week_of_first_day = date("W", mktime(0, 0, 0, $start_month, $first_d, $start_year));
     $conditions = "\tAND ((\n\t\t\t\t(\n\t\t\t\t\t`repeat_h` = 0 \n\t\t\t\t\tAND `duration` >= '{$start_date_str}' \n\t\t\t\t\tAND `start` < '{$end_date_str}' \n\t\t\t\t) \n\t\t\t\tOR \n\t\t\t\t(\n\t\t\t\t\t`repeat_h` = 0 \n\t\t\t\t\tAND\n\t\t\t\t\tDATE(`start`) < '{$end_date_str}'\n\t\t\t\t\tAND\n\t\t\t\t\t(\t\t\t\t\t\t\t\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\tDATE_ADD(`start`, INTERVAL (`repeat_num`-1)*`repeat_d` DAY) >= '{$start_date_str}' \n\t\t\t\t\t\t\tOR\n                                        repeat_forever = 1\n\t\t\t\t\t\t\tOR\n\t\t\t\t\t\t\trepeat_end >= '{$start_year}-{$start_month}-{$start_day}'\n\t\t\t\t)\n\t\t\t\tOR\n\t\t\t\t(\n\t\t\t\t\t\t\tDATE_ADD(`start`, INTERVAL (`repeat_num`-1)*`repeat_m` MONTH) >= '{$start_date_str}' \n\t\t\t\t\t\t\tOR\n\t\t\t\t\t\t\trepeat_forever = 1\n\t\t\t\t\t\t\tOR\n\t\t\t\t\t\t\trepeat_end >= '{$start_year}-{$start_month}-{$start_day}'\n\t\t\t\t\t\t)\n\t\t\t\t\t\tOR\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\tDATE_ADD(`start`, INTERVAL (`repeat_num`-1)*`repeat_y` YEAR) >= '{$start_date_str}' \n\t\t\t\t\t\t\tOR\n\t\t\t\t\t\t\trepeat_forever = 1\n\t\t\t\t\t\t\tOR\n\t\t\t\t\t\t\trepeat_end >= '{$start_year}-{$start_month}-{$start_day}'\n\t\t\t\t\t\t)\n\t\t\t\t\t)\t\t\n\t\t\t\t)\n\t\t\t\tOR\n\t\t\t\t(\n\t\t\t\t\tDATE(`start`) <= '{$start_date_str}'\n\t\t\t\t\tAND\n\t\t\t\t\t`repeat_h` = 1 \n\t\t\t\t\tAND\n\t\t\t\t\t`repeat_dow` = DAYOFWEEK('{$start_date_str}') \n\t\t\t\t\tAND\n\t\t\t\t\t`repeat_wnum` + {$week_of_first_day} - 1 = WEEK('{$start_date_str}', 3) \n\t\t\t\t\tAND\n\t\t\t\t\tMOD( ABS(PERIOD_DIFF(DATE_FORMAT(`start`, '%Y%m'), DATE_FORMAT('{$start_date_str}', '%Y%m'))), `repeat_mjump`) = 0\t\t\t\t\t\n\t\t\t\t)\t\t\t\t\n\t\t\t)\n\t\t\t{$invited}\n\t\t)";
     //$result_events = self::getContentObjects(active_context(), ObjectTypes::findById(self::instance()->getObjectTypeId()), '`start`', 'ASC', $conditions, null, false, false, $start, $limit);
     $result_events = self::instance()->listing(array("order" => 'start', "order_dir" => 'ASC', "extra_conditions" => $conditions, "start" => $start, "limit" => $limit))->objects;
     // Find invitations for events and logged user
     ProjectEvents::addInvitations($result_events);
     return $result_events;
 }

$startday = $day - date("N", mktime(0, 0, 0, $month, $day, $year)) + 1;
// beginning of the week, monday
$endday = $startday + 7;
// end of week
$today = DateTimeValueLib::now();
$today->add('h', logged_user()->getTimezone());
$currentday = $today->format("j");
$currentmonth = $today->format("n");
$currentyear = $today->format("Y");
$drawHourLine = false;
$lastday = date("t", mktime(0, 0, 0, $month, 1, $year));
// # of days in the month
$date_start = new DateTimeValue(mktime(0, 0, 0, $month, $startday, $year));
$date_end = new DateTimeValue(mktime(0, 0, 0, $month, $endday, $year));
$date_start->add('h', logged_user()->getTimezone());
$date_end->add('h', logged_user()->getTimezone());
$milestones = ProjectMilestones::getRangeMilestonesByUser($date_start, $date_end, $user_filter != -1 ? $user : null, $tags, active_project());
$tasks = ProjectTasks::getRangeTasksByUser($date_start, $date_end, $user_filter != -1 ? $user : null, $tags, active_project());
$birthdays = Contacts::instance()->getRangeContactsByBirthday($date_start, $date_end);
$tmp_tasks = array();
foreach ($tasks as $task) {
    $tmp_tasks = array_merge($tmp_tasks, replicateRepetitiveTaskForCalendar($task, $date_start, $date_end));
}
$dates = array();
//datetimevalue for each day of week
$results = array();
$allday_events_count = array();
$alldayevents = array();
$today_style = array();
$month_aux = $month;
$year_aux = $year;

/**
 * Copies related data from an object to another (members, linked_objects, custom_properties, subscribers, reminders and comments)
 * @param $object: Original object to copy data
 * @param $copy: Object to be modified with the data of the $orignal object
 * @param $options: set which type of data will not be copied
 */
function copy_additional_object_data($object, &$copy, $options = array())
{
    if (!$object instanceof ContentDataObject || !$copy instanceof ContentDataObject) {
        // if not valid objects return
        return;
    }
    $copy_members = !array_var($options, 'dont_copy_members');
    $copy_linked_objects = !array_var($options, 'dont_copy_linked_objects');
    $copy_custom_properties = !array_var($options, 'dont_copy_custom_properties');
    $copy_subscribers = !array_var($options, 'dont_copy_subscribers');
    $copy_reminders = !array_var($options, 'dont_copy_reminders');
    $copy_comments = !array_var($options, 'dont_copy_comments');
    $controller = new ObjectController();
    // copy members
    if ($copy_members) {
        $object_members = $object->getMembers();
        $copy->addToMembers($object_members);
        Hook::fire('after_add_to_members', $copy, $object_members);
        $copy->addToSharingTable();
    }
    // copy linked objects
    if ($copy_linked_objects) {
        $copy->copyLinkedObjectsFrom($object);
    }
    // copy custom properties
    if ($copy_custom_properties) {
        // custom properties defined in "settings"
        $cp_object_type_id = $object->getObjectTypeId();
        if ($object instanceof TemplateTask || $object instanceof TemplateMilestone) {
            $cp_object_type_id = $copy->getObjectTypeId();
        }
        $custom_props = CustomProperties::getAllCustomPropertiesByObjectType($cp_object_type_id);
        foreach ($custom_props as $c_prop) {
            $values = CustomPropertyValues::getCustomPropertyValues($object->getId(), $c_prop->getId());
            if (is_array($values)) {
                foreach ($values as $val) {
                    $cp = new CustomPropertyValue();
                    $cp->setObjectId($copy->getId());
                    $cp->setCustomPropertyId($val->getCustomPropertyId());
                    $cp->setValue($val->getValue());
                    $cp->save();
                }
            }
        }
        // object properties (key-value)
        $copy->copyCustomPropertiesFrom($object);
    }
    // copy subscribers
    if ($copy_subscribers) {
        $subscribers_array = array();
        foreach ($object->getSubscriberIds() as $user_id) {
            $subscribers_array["user_" . $user_id] = "1";
        }
        $controller->add_subscribers($copy, $subscribers_array);
    }
    // copy reminders
    if ($copy_reminders) {
        $reminders = ObjectReminders::getByObject($object);
        foreach ($reminders as $reminder) {
            $copy_reminder = new ObjectReminder();
            $copy_reminder->setContext($reminder->getContext());
            $reminder_date = $copy->getColumnValue($reminder->getContext());
            if ($reminder_date instanceof DateTimeValue) {
                $reminder_date = new DateTimeValue($reminder_date->getTimestamp());
                $reminder_date->add('m', -$reminder->getMinutesBefore());
            }
            $copy_reminder->setDate($reminder_date);
            $copy_reminder->setMinutesBefore($reminder->getMinutesBefore());
            $copy_reminder->setObject($copy);
            $copy_reminder->setType($reminder->getType());
            $copy_reminder->setUserId($reminder->getUserId());
            $copy_reminder->save();
        }
    }
    // copy comments
    if ($copy_comments) {
        foreach ($object->getAllComments() as $com) {
            $new_com = new Comment();
            $new_com->setAuthorEmail($com->getAuthorEmail());
            $new_com->setAuthorName($com->getAuthorName());
            $new_com->setAuthorHomepage($com->getAuthorHomepage());
            $new_com->setCreatedById($com->getCreatedById());
            $new_com->setCreatedOn($com->getCreatedOn());
            $new_com->setUpdatedById($com->getUpdatedById());
            $new_com->setUpdatedOn($com->getUpdatedOn());
            $new_com->setText($com->getText());
            $new_com->setRelObjectId($copy->getId());
            $new_com->save();
        }
    }
}

 function cloneTask($copy_status = false)
 {
     $new_task = new ProjectTask();
     $new_task->setParentId($this->getParentId());
     $new_task->setTitle($this->getTitle());
     $new_task->setText($this->getText());
     $new_task->setAssignedToCompanyId($this->getAssignedToCompanyId());
     $new_task->setAssignedToUserId($this->getAssignedToUserId());
     $new_task->setAssignedOn($this->getAssignedOn());
     $new_task->setAssignedById($this->getAssignedById());
     $new_task->setTimeEstimate($this->getTimeEstimate());
     $new_task->setStartedOn($this->getStartedOn());
     $new_task->setStartedById($this->getStartedById());
     $new_task->setPriority($this->getPriority());
     $new_task->setState($this->getState());
     $new_task->setOrder($this->getOrder());
     $new_task->setMilestoneId($this->getMilestoneId());
     $new_task->setIsPrivate($this->getIsPrivate());
     $new_task->setIsTemplate($this->getIsTemplate());
     $new_task->setFromTemplateId($this->getFromTemplateId());
     if ($this->getDueDate() instanceof DateTimeValue) {
         $new_task->setDueDate(new DateTimeValue($this->getDueDate()->getTimestamp()));
     }
     if ($this->getStartDate() instanceof DateTimeValue) {
         $new_task->setStartDate(new DateTimeValue($this->getStartDate()->getTimestamp()));
     }
     if ($copy_status) {
         $new_task->setCompletedById($this->getCompletedById());
         $new_task->setCompletedOn($this->getCompletedOn());
     }
     $new_task->save();
     $new_task->setTagsFromCSV(implode(",", $this->getTagNames()));
     foreach ($this->getWorkspaces() as $ws) {
         $new_task->addToWorkspace($ws);
     }
     if (is_array($this->getAllLinkedObjects())) {
         foreach ($this->getAllLinkedObjects() as $lo) {
             $new_task->linkObject($lo);
         }
     }
     $sub_tasks = $this->getAllSubTasks();
     foreach ($sub_tasks as $st) {
         if ($st->getParentId() == $this->getId()) {
             $new_st = $st->cloneTask($copy_status);
             if ($copy_status) {
                 $new_st->setCompletedById($st->getCompletedById());
                 $new_st->setCompletedOn($st->getCompletedOn());
                 $new_st->save();
             }
             $new_task->attachTask($new_st);
         }
     }
     foreach ($this->getAllComments() as $com) {
         $new_com = new Comment();
         $new_com->setAuthorEmail($com->getAuthorEmail());
         $new_com->setAuthorName($com->getAuthorName());
         $new_com->setAuthorHomepage($com->getAuthorHomepage());
         $new_com->setCreatedById($com->getCreatedById());
         $new_com->setCreatedOn($com->getCreatedOn());
         $new_com->setUpdatedById($com->getUpdatedById());
         $new_com->setUpdatedOn($com->getUpdatedOn());
         $new_com->setIsAnonymous($com->getIsAnonymous());
         $new_com->setIsPrivate($com->getIsPrivate());
         $new_com->setText($com->getText());
         $new_com->setRelObjectId($new_task->getId());
         $new_com->setRelObjectManager("ProjectTasks");
         $new_com->save();
     }
     $_POST['subscribers'] = array();
     foreach ($this->getSubscribers() as $sub) {
         $_POST['subscribers']["user_" . $sub->getId()] = "checked";
     }
     $obj_controller = new ObjectController();
     $obj_controller->add_subscribers($new_task);
     foreach ($this->getCustomProperties() as $prop) {
         $new_prop = new ObjectProperty();
         $new_prop->setRelObjectId($new_task->getId());
         $new_prop->setRelObjectManager($prop->getRelObjectManager());
         $new_prop->setPropertyName($prop->getPropertyName());
         $new_prop->setPropertyValue($prop->getPropertyValue());
         $new_prop->save();
     }
     $custom_props = CustomProperties::getAllCustomPropertiesByObjectType("ProjectTasks");
     foreach ($custom_props as $c_prop) {
         $values = CustomPropertyValues::getCustomPropertyValues($this->getId(), $c_prop->getId());
         if (is_array($values)) {
             foreach ($values as $val) {
                 $cp = new CustomPropertyValue();
                 $cp->setObjectId($new_task->getId());
                 $cp->setCustomPropertyId($val->getCustomPropertyId());
                 $cp->setValue($val->getValue());
                 $cp->save();
             }
         }
     }
     $reminders = ObjectReminders::getByObject($this);
     foreach ($reminders as $reminder) {
         $copy_reminder = new ObjectReminder();
         $copy_reminder->setContext($reminder->getContext());
         $reminder_date = $new_task->getColumnValue($reminder->getContext());
//.........这里部分代码省略.........

	function generateICalInfo($events, $calendar_name, $user = null) {
		if ($user == null) $user = logged_user();
		$ical_info = '';
		$ical_info .= "BEGIN:VCALENDAR\r\n";
		$ical_info .= "VERSION:2.0\r\n";
		$ical_info .= "PRODID:PHP\r\n";
		$ical_info .= "METHOD:REQUEST\r\n";
		$ical_info .= "X-WR-CALNAME:$calendar_name\r\n";
		
		// timezone info
		$tz = ($user->getTimezone() < 0 ? "-":"+").str_pad(abs($user->getTimezone())*100, 4, '0', STR_PAD_LEFT);
		$tz_desc = $user->getTimezone() > 0 ? lang("timezone gmt +".$user->getTimezone()) : lang("timezone gmt ".$user->getTimezone());
		$ical_info .= "BEGIN:VTIMEZONE\r\n";
		$ical_info .= "TZID:$tz_desc\r\n";
		$ical_info .= "BEGIN:STANDARD\r\n";
		$ical_info .= "TZOFFSETFROM:$tz\r\n";
		$ical_info .= "TZOFFSETTO:$tz\r\n";
		$ical_info .= "END:STANDARD\r\n";
		$ical_info .= "END:VTIMEZONE\r\n";
		
		foreach ($events as $event) {
			$ical_info .= "BEGIN:VEVENT\r\n";
			
			$event_start = new DateTimeValue($event->getStart()->getTimestamp() + 3600 * $user->getTimezone());
			$event_duration = new DateTimeValue($event->getDuration()->getTimestamp() + 3600 * $user->getTimezone());
			
			$startNext = new DateTimeValue($event_start->getTimestamp());
			$startNext->add('d', 1);
			if ($event->getTypeId() == 2) $ical_info .= "DTSTART;VALUE=DATE:" . $event_start->format('Ymd') ."\r\n";
			else $ical_info .= "DTSTART:" . $event_start->format('Ymd') ."T". $event_start->format('His') ."\r\n";
			if ($event->getTypeId() == 2) $ical_info .= "DTEND;VALUE=DATE:" . $startNext->format('Ymd') ."\r\n";
			else $ical_info .= "DTEND:" . $event_duration->format('Ymd') ."T". $event_duration->format('His') ."\r\n";

			$uid = $event->getId() . "@";
			$url = str_replace('http://', '', ROOT_URL);
			$uid .= str_replace('www.', '', $url);
			
			$description = str_replace(array(chr(13).chr(10), chr(13), chr(10)),'\n', $event->getDescription());
			$ical_info .= "DESCRIPTION:$description\r\n";
            $ical_info .= "SUMMARY:" . $event->getSubject() . "\r\n";
		    $ical_info .= "UID:$uid\r\n";
		    $ical_info .= "SEQUENCE:0\r\n";
		    $ical_info .= "DTSTAMP:".$event->getUpdatedOn()->format('Ymd').'T'.$event->getUpdatedOn()->format('His')."\r\n";
			
		    $invitations = $event->getInvitations();
			if (is_array($invitations) && array_var($invitations, $user->getId())) {
				$inv = array_var($invitations, $user->getId());
		    	$inv->getInvitationState();
		    	if ($inv->getInvitationState() == 1) $ical_info .= "STATUS:CONFIRMED\r\n"; 
		    	else if ($inv->getInvitationState() == 2) $ical_info .= "STATUS:CANCELLED\r\n";
		    	else $ical_info .= "STATUS:TENTATIVE\r\n";
			}
			$rrule = '';
			if ($event->getRepeatD() > 0 || $event->getRepeatM() > 0 || $event->getRepeatY() > 0 || $event->getRepeatForever() > 0) {
				$rrule_ok = true;
				if ($event->getRepeatD() > 0) {
					if ($event->getRepeatD() % 7 == 0) {
						$freq = "FREQ=WEEKLY;";
						$interval = "INTERVAL=".($event->getRepeatD() / 7);
					} else {
						$freq = "FREQ=DAILY;";
						$interval = "INTERVAL=".$event->getRepeatD();
					}
				} else if ($event->getRepeatM() > 0) {
					$freq = "FREQ=MONTHLY;";
					$interval = "INTERVAL=".$event->getRepeatM();
				} else if ($event->getRepeatY() > 0) {
					$freq = "FREQ=YEARLY;";
					$interval = "INTERVAL=".$event->getRepeatY();
				} else {
					$rrule_ok = false;
				}
				$until = '';
				$count = '';
				if (!$event->getRepeatForever() && $event->getRepeatNum() > 0) $count = ";COUNT=".$event->getRepeatNum();
				else if (!$event->getRepeatForever() && $event->getRepeatEnd()) $until = ";UNTIL=".$event->getRepeatEnd()->format('Ymd').'T'.$event->getRepeatEnd()->format('His');
				
				if ($rrule_ok) $rrule = "RRULE:$freq$interval$count$until\r\n";
			}
			if ($event->getRepeatH() > 0) {
				"RRULE:FREQ=MONTHLY;INTERVAL=1;BYDAY=1TU";
				$interval = "INTERVAL=".$event->getRepeatMjump();
				switch ($event->getRepeatDow()) {
					case 1: $day = "SU"; break;
					case 2: $day = "MO"; break;
					case 3: $day = "TU"; break;
					case 4: $day = "WE"; break;
					case 5: $day = "TH"; break;
					case 6: $day = "FR"; break;
					case 7: $day = "SA"; break;
					default: $day = "MO"; break;
				}
				$byday = "BYDAY=" . $event->getRepeatWnum() . $day;
				
				$rrule = "RRULE:FREQ=MONTHLY;$interval;$byday\r\n";
			}
		    $ical_info .= $rrule;
		    
		    $ical_info .= "END:VEVENT\r\n";
		}
//.........这里部分代码省略.........