<?php
 
/**
 * TemplateTask class
 *  
 */
class TemplateTask extends BaseTemplateTask {
	/**
	 * Users can post comments on Content Data Objects are searchable
	 *
	 * @var boolean
	 */
	protected $is_commentable = false;

	protected $searchable_columns = array('name', 'text');
		
	protected $allow_timeslots = false;
	
	public $timeslots_count = 0 ;
	
	public $timeslots = null ;

	/**
	 * Cached task array
	 *
	 * @var array
	 */
	private $all_tasks;

	/**
	 * Cached open task array
	 *
	 * @var array
	 */
	private $open_tasks;

	/**
	 * Cached completed task array
	 *
	 * @var array
	 */
	private $completed_tasks;

	/**
	 * Cached number of open tasks
	 *
	 * @var integer
	 */
	private $count_all_tasks;

	/**
	 * Cached number of open tasks in this list
	 *
	 * @var integer
	 */
	private $count_open_tasks = null;

	/**
	 * Cached number of completed tasks in this list
	 *
	 * @var integer
	 */
	private $count_completed_tasks = null;

	/**
	 * Cached array of related forms
	 *
	 * @var array
	 */
	private $related_forms;

	/**
	 * Cached completed by reference
	 *
	 * @var Contact
	 */
	private $completed_by;

	private $milestone;
	
	private $id = null;
	
	function getId() {
		if ($this->id == null)
			$this->id = parent::getId();
		return $this->id;
	}
	
	function setId($value) {
		parent::setId($value);
		$this->id = $value;
	}
	
	function getMilestone(){
		if ($this->getMilestoneId() > 0 && !$this->milestone){
			$this->milestone = TemplateMilestones::instance()->findById($this->getMilestoneId());
		}
		return $this->milestone;
	}
	
	/**
	 * Return parent task that this task belongs to
	 *
	 * @param void
	 * @return TemplateTask
	 */
	function getParent() {
		if ($this->getParentId()==0) return null;
		$parent = TemplateTasks::instance()->findById($this->getParentId());
		return $parent instanceof TemplateTask  ? $parent : null;
	} // getParent

	/** 
	 * Return all parent tasks that this task belongs to
	 *
	 * @param void
	 * @return array of TemplateTasks objects or empty array
	 */
	function getAllParents() {
		$parents = array();
		$current_task = $this;
		while($current_task->getParentId()!=0) {
			$parent = TemplateTasks::instance()->findById($current_task->getParentId());
			if($parent instanceof TemplateTask) {
				$parents[] = $parent;
				$current_task = $parent;
			} else {
				break;
			}
		}
		return $parents;
	} // getAllParents
	
	/**
	 * Return the user that last assigned the task
	 *
	 * @access public
	 * @param void
	 * @return Contact
	 */
	function getAssignedBy() {
		return Contacts::instance()->findById($this->getAssignedById());
	} // getAssignedBy()

	/**
	 * Set the user that last assigned the task
	 *
	 * @access public
	 * @param Contact $value
	 * @return boolean
	 */
	function setAssignedBy($user) {
		if ($user instanceof Contact) {
			$this->setAssignedById($user->getId());
		}
	}

	/**
	 * Return owner user or company
	 *
	 * @access public
	 * @param void
	 * @return ApplicationDataObject
	 */
	function getAssignedTo() {
		if($this->getAssignedToContactId() > 0) {
			return $this->getAssignedToContact();
		} else {
			return null;
		} // if
	} // getAssignedTo
	
	function getAssignedToName() {
		$user = $this->getAssignedToContact();
		if ($user instanceof Contact) {
			return $user->getObjectName();
		} else {
			return lang("anyone");
		} // if
	} // getAssignedTo
	
	function isAssigned() {
		return $this->getAssignedToContactId() > 0;
	} // getAssignedTo

	/**
	 * Return owner user
	 *
	 * @access public
	 * @param void
	 * @return Contact
	 */
	function getAssignedToContact() {
		$ret = null;
		if ($this->getAssignedToContactId() > 0) {
			$ret = Contacts::instance()->findById($this->getAssignedToContactId());
		}
		return $ret;
	} // 

	/**
	 * Returns true if this task was not completed
	 *
	 * @access public
	 * @param void
	 * @return boolean
	 */
	function isOpen() {
		return !$this->isCompleted();
	} // isOpen

	/**
	 * Returns true if this task is completed
	 *
	 * @access public
	 * @param void
	 * @return boolean
	 */
	function isCompleted() {
		return $this->getCompletedOn() instanceof DateTimeValue;
	} // isCompleted

	/**
	 * Check if this task is late
	 *
	 * @access public
	 * @param void
	 * @return null
	 */
	function isLate() {
		if($this->isCompleted()) return false;
		if(!$this->getDueDate() instanceof DateTimeValue) return false;
		$tz_offset = Timezones::getTimezoneOffsetToApply($this);
		
		return !$this->isToday() && ($this->getDueDate()->getTimestamp() < DateTimeValueLib::now()->add('s', $tz_offset)->getTimestamp());
	} // isLate
	
	/**
	 * Check if this task is today
	 *
	 * @access public
	 * @param void
	 * @return null
	 */
	function isToday() {
		$tz_offset = Timezones::getTimezoneOffsetToApply($this);
		
		$now = DateTimeValueLib::now()->add('s', $tz_offset);
		$due = $this->getDueDate();
		// getDueDate and similar functions can return NULL
		if(!($now instanceof DateTimeValue)) return false;
		if(!($due instanceof DateTimeValue)) return false;

		return $now->getDay() == $due->getDay() &&
		$now->getMonth() == $due->getMonth() &&
		$now->getYear() == $due->getYear();
	} // isToday
	
	/**
	 * Return number of days that this task is late for
	 *
	 * @access public
	 * @param void
	 * @return integer
	 */
	function getLateInDays() {
		if (!$this->getDueDate() instanceof DateTimeValue) return 0;
		$tz_offset = Timezones::getTimezoneOffsetToApply($this);
		
		$due_date_start = $this->getDueDate()->beginningOfDay();
		$today = DateTimeValueLib::now();
		$today = $today->add('s', $tz_offset)->beginningOfDay();
		
		return floor(abs($due_date_start->getTimestamp() - $today->getTimestamp()) / 86400);
	} // getLateInDays
	
	function getLeftInDays() {
		if (!$this->getDueDate() instanceof DateTimeValue) return 0;
		$tz_offset = Timezones::getTimezoneOffsetToApply($this);
		
		$due_date_start = $this->getDueDate()->endOfDay();
		$today = DateTimeValueLib::now();
		$today = $today->add('s', $tz_offset)->beginningOfDay();
		
		return floor(abs($due_date_start->getTimestamp() - $today->getTimestamp()) / 86400);
	}
	
	
	function getDescription() {
		return $this->getText();
	}

	// ---------------------------------------------------
	//  Permissions
	// ---------------------------------------------------

	static function canAdd(Contact $user, $context, &$notAllowedMember = ''){
		return can_add($user, $context, TemplateTasks::instance()->getObjectTypeId(), $notAllowedMember);
	}
	
	
	/**
	 * Return true if $user can view this task lists
	 *
	 * @param Contact $user
	 * @return boolean
	 */
	function canView(Contact $user) {
		return can_read($user, $this->getMembers(), $this->getObjectTypeId());
	} // canView
	
	/**
	 * Private function to check whether a task is asigned to user or company user
	 *
	 * @param Contact $user
	 * @return unknown
	 */
	private function isAsignedToUserOrCompany(Contact $user){
		return ($user->getId() == $this->getAssignedToContactId());
	}
	/**
	 * Check if specific user can update this task
	 *
	 * @access public
	 * @param Contact $user
	 * @return boolean
	 */
	function canEdit(Contact $user) {
		if(can_write($user, $this->getMembers(), $this->getObjectTypeId())) {
			return true;
		} // if
		$task_list = $this->getParent();
		return $task_list instanceof TemplateTask ? $task_list->canEdit($user, $this->getMembers()) : false;
	} // canEdit
	
	function canAddTimeslot($user) {
		return $this->canChangeStatus($user) || can_manage_time($user) || can_access($user, $this->getMembers(), Timeslots::instance()->getObjectTypeId(), ACCESS_LEVEL_WRITE);
	}
	
	
	function canLinkObject(Contact $user) {
		if(!$this->isLinkableObject()) return false;
	
		if(can_link_objects($user)){
			return can_write($user, $this->getMembers(), ProjectTasks::instance()->getObjectTypeId());
		}else{
			return false;
		}
	}
	
	/**
	 * Check if specific user can change task status
	 *
	 * @access public
	 * @param Contact $user
	 * @return boolean
	 */
	function canChangeStatus(Contact $user) {
		return (can_manage_tasks($user) || $this->isAsignedToUserOrCompany($user));
	} // canChangeStatus

	/**
	 * Check if specific user can delete this task
	 *
	 * @access public
	 * @param Contact $user
	 * @return boolean
	 */
	function canDelete(Contact $user) {
		if (can_delete($user,$this->getMembers(), $this->getObjectTypeId()))
			return true;
		$task_list = $this->getParent();
		return $task_list instanceof TemplateTask ? $task_list->canDelete($user) : false;
	} // canDelete

	/**
	 * Check if user can reorder tasks in this list
	 *
	 * @param Contact $user
	 * @return boolean
	 */
	function canReorderTasks(Contact $user) {
		return can_write($user, $this->getMembers(), $this->getObjectTypeId());
	} // canReorderTasks


	/**
	 * Check if specific user can add task to this list
	 *
	 * @param Contact $user
	 * @return boolean
	 */
	function canAddSubTask(Contact $user) {
		return can_write($user, $this->getMembers(), $this->getObjectTypeId());
	} // canAddTask
	// ---------------------------------------------------
	//  Operations
	// ---------------------------------------------------

	/**
	 * Complete this task and subtasks and check if we need to complete the parent
	 *
	 * @access public
	 * @param void
	 * @return null
	 */
	function completeTask($options) {
		if (!$this->canChangeStatus(logged_user())) {
			flash_error('no access permissions');
			ajx_current("empty");
			return;
		}
		$this->setCompletedOn(DateTimeValueLib::now());
		$this->setCompletedById(logged_user()->getId());
                
                if($options == "yes"){
                    foreach ($this->getAllSubTasks() as $subt) {
                            $subt->completeTask($options);
                    }
                }                
                
                if(user_config_option('close timeslot open')){
                    $timeslots = $this->getTimeslots();
                    if ($timeslots){
                            foreach ($timeslots as $timeslot){
                                    if ($timeslot->isOpen())
                                            $timeslot->close();
                                            $timeslot->save();
                            }
                    }
                }
		
		// check if all previuos tasks are completed
                $log_info = "";
		if (config_option('use tasks dependencies')) {
			$saved_ptasks = ProjectTaskDependencies::instance()->findAll(array('conditions' => 'task_id = '. $this->getId()));
			foreach ($saved_ptasks as $pdep) {
				$ptask = ProjectTasks::instance()->findById($pdep->getPreviousTaskId());
				if ($ptask instanceof ProjectTask && !$ptask->isCompleted()) {
					flash_error(lang('previous tasks must be completed before completion of this task'));
					ajx_current("empty");
					return;
				}
			}
                        //Seeking the subscribers of the completed task not to repeat in the notifications
                        $contact_notification = array();
                        $task = ProjectTasks::instance()->findById($this->getId());
                        foreach ($task->getSubscribers() as $task_sub){
                            $contact_notification[] = $task_sub->getId();
                        }
                        //Send notification to subscribers of the task_dependency on the task completed
                        $next_dependency = ProjectTaskDependencies::instance()->findAll(array('conditions' => 'previous_task_id = '. $this->getId()));
			foreach ($next_dependency as $ndep) {
				$ntask = ProjectTasks::instance()->findById($ndep->getTaskId());
				if ($ntask instanceof ProjectTask) {
                                        foreach ($ntask->getSubscribers() as $task_dep){
                                            if(!in_array($task_dep->getId(), $contact_notification))
                                                $log_info .= $task_dep->getId().",";
                                        }
				}
			}
		}
		$this->setPercentCompleted(100);
		$this->save();
		ApplicationLogs::createLog($this, ApplicationLogs::ACTION_CLOSE, false, false, true, substr($log_info,0,-1));
	} // completeTask

	/**
	 * Open this task and check if we need to reopen list again
	 *
	 * @access public
	 * @param void
	 * @return null
	 */
	function openTask() {
		if (!$this->canChangeStatus(logged_user())) {
			flash_error('no access permissions');
			ajx_current("empty");
			return;
		}
		$this->setCompletedOn(null);
		$this->setCompletedById(0);
		$this->save();

		$this->calculatePercentComplete();

		$log_info = "";
		if (config_option('use tasks dependencies')) {
			//Seeking the subscribers of the open task not to repeat in the notifications
			$contact_notification = array();
			foreach ($this->getSubscribers() as $task_sub){
				$contact_notification[] = $task_sub->getId();
			}
			$saved_stasks = ProjectTaskDependencies::instance()->findAll(array('conditions' => 'previous_task_id = '. $this->getId()));
			foreach ($saved_stasks as $sdep) {
				$stask = ProjectTasks::instance()->findById($sdep->getTaskId());
				if ($stask instanceof ProjectTask && $stask->isCompleted()) {
					$stask->openTask();
				}
				foreach ($stask->getSubscribers() as $task_dep){
					if(!in_array($task_dep->getId(), $contact_notification)) {
						$log_info .= $task_dep->getId().",";
					}
				}
			}
		}
		
		/*
		 * this is done in the controller
		$task_list = $this->getParent();
		if(($task_list instanceof ProjectTask) && $task_list->isCompleted()) {
			$open_tasks = $task_list->getOpenSubTasks();
			if(!empty($open_tasks)) $task_list->open();
		} // if*/
		ApplicationLogs::createLog($this, ApplicationLogs::ACTION_OPEN, false, false, true, substr($log_info,0,-1));
	} // openTask

	function getRemainingDays(){
		if (is_null($this->getDueDate()))
			return null;
		else{
			$tz_offset = Timezones::getTimezoneOffsetToApply($this);
			$due = $this->getDueDate();
			$date = DateTimeValueLib::now()->add('s', $tz_offset)->getTimestamp();
			$nowDays = floor($date/(60*60*24));
			$dueDays = floor($due->getTimestamp()/(60*60*24));
			return $dueDays - $nowDays;
		}
	}
	
	/**
	 * Copy this template task to a project task
	 *
	 * @access public
	 * @param void
	 * @return null
	 */
	function copyToProjectTask($instantiation_id=0) {
		//$new_st_date='',$new_due_date='',$copy_status = false,$copy_repeat_options = true,$parent_subtask=0
		//param
		$parent_subtask=0;
		$new_st_date='';
		$new_due_date='';
		$copy_status = false;
		$copy_repeat_options = true;
		
		$new_task = new ProjectTask();

		$new_task->dont_calculate_financials = true;
		$new_task->dont_calculate_project_financials = true;
		
		/*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->getTemplateId());
		$new_task->setUseStartTime($this->getUseStartTime());
		$new_task->setUseDueTime($this->getUseDueTime());
		$new_task->setTypeContent($this->getTypeContent());
		$new_task->setFromTemplateObjectId($this->getId());
		
		$ptask = null;
		if ($this->getParentId() > 0) {
			$ptask = ProjectTasks::instance()->findOne(array("conditions" => "from_template_id = ".$this->getTemplateId()." AND from_template_object_id = ".$this->getParentId()." AND instantiation_id='$instantiation_id'"));
		}
		$parent_task_id = $ptask instanceof ProjectTask ? $ptask->getId() : 0;
		$new_task->setParentId($parent_task_id);
		
		$new_task->setOriginalTaskId(0);
		$new_task->setInstantiationId($instantiation_id);
		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);
		}
		
		Hook::fire('template_task_to_task_columns', array('template_task' => $this, 'instantiation_id' => $instantiation_id), $new_task);
		
		$new_task->setDontMakeCalculations(true);
		$new_task->save();
		
		// Copy members, linked_objects, custom_properties, subscribers, reminders and comments
		copy_additional_object_data($this, $new_task);

		// Ensure that assigned user is subscribed
		if ($new_task->getAssignedTo() instanceof Contact) {
			$new_task->subscribeUser($new_task->getAssignedTo());
		}
		
		return $new_task;
	}
	
	/**
	 * Copy a project task to a template task
	 *
	 * @access public
	 * @param $project_task ProjectTask project task
	 * @param $template_id int the template id
	 * @param $parent_id int the parent id if is a subtask
	 * @return TemplateTask
	 */
	function copyFromProjectTask($project_task, $template_id, $parent_id = 0, $milestone_id = 0) {
		//param
		$parent_subtask=0;
		$new_st_date='';
		$new_due_date='';
			
		$new_task = new TemplateTask();			
		$new_task->setObjectName($project_task->getObjectName());
		$new_task->setText($project_task->getText());
		$new_task->setAssignedToContactId($project_task->getAssignedToContactId());
		$new_task->setAssignedOn($project_task->getAssignedOn());
		$new_task->setAssignedById($project_task->getAssignedById());
		$new_task->setTimeEstimate($project_task->getTimeEstimate());
		$new_task->setStartedOn($project_task->getStartedOn());
		$new_task->setStartedById($project_task->getStartedById());
		$new_task->setPriority(($project_task->getPriority()));
		$new_task->setOrder($project_task->getOrder());
		$new_task->setUseStartTime($project_task->getUseStartTime());
		$new_task->setUseDueTime($project_task->getUseDueTime());
		$new_task->setTypeContent($project_task->getTypeContent());
		$new_task->setParentId($project_task->getParentId());
		$new_task->setOriginalTaskId($project_task->getId());
		$new_task->setTemplateId($template_id);
		$new_task->setSessionId(null);
		$new_task->setParentId($parent_id);
		$new_task->setMilestoneId($milestone_id);
		if ($project_task->getDueDate() instanceof DateTimeValue ) {
			$new_task->setDueDate(new DateTimeValue($project_task->getDueDate()->getTimestamp()));
		}
		if ($project_task->getStartDate() instanceof DateTimeValue ) {
			$new_task->setStartDate(new DateTimeValue($project_task->getStartDate()->getTimestamp()));
		}
		
		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->getObject()->setColumnValue('object_subtype_id', $project_task->getColumnValue('object_subtype_id'));
		
		$new_task->save();
		
		// Copy members, linked_objects, custom_properties, subscribers, reminders and comments
		copy_additional_object_data($project_task, $new_task);
		
		// Ensure that assigned user is subscribed
		if ($new_task->getAssignedTo() instanceof Contact) {
			$new_task->subscribeUser($new_task->getAssignedTo());
		}
		
		return $new_task;
	}
	
	/**
	 * Copy a project task to a template task and all subtasks (go deep)
	 *
	 * @access public
	 * @param $project_task ProjectTask project task
	 * @param $template_id int the template id
	 * @param $parent_id int the parent id if is a subtask
	 * @return TemplateTask
	 */
	function copyFromProjectTaskIncludeSubTasks($project_task, $template_id, $parent_id = 0, $milestone_id = 0) {
		//Copy task
		$tmp_task = TemplateTask::copyFromProjectTask($project_task, $template_id, $parent_id, $milestone_id);
		
		// Copy Subtasks
		
		$tmp_sub_tasks = $project_task->getSubTasks(false,false);
				
		foreach ($tmp_sub_tasks as $c) {
			if($c instanceof ProjectTask){				
				$sub = TemplateTask::copyFromProjectTaskIncludeSubTasks($c,$template_id,$tmp_task->getId(),$milestone_id);
				
				//create a TemplateObject
				$to = new TemplateObject();
				$to->setObject($sub);
				$to->setTemplateId($template_id);
				$to->save();
			}
				
		}
		
		return $tmp_task;
	}
	
	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);
		
		foreach($this->getCustomProperties() as $prop) {
			$new_prop = new ObjectProperty();
			$new_prop->setRelObjectId($new_task->getId());
			$new_prop->setPropertyName($prop->getPropertyName());
			$new_prop->setPropertyValue($prop->getPropertyValue());
			$new_prop->save();
		}
		
		$custom_props = CustomProperties::getAllCustomPropertiesByObjectType("TemplateTasks");
		foreach ($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());
			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());
			$copy_reminder->setObject($new_task);
			$copy_reminder->setType($reminder->getType());
			$copy_reminder->setUserId($reminder->getUserId());
			$copy_reminder->save();
		}
		
		return $new_task;
	}
	
	function clearRepeatOptions() {
		$this->setRepeatEnd(EMPTY_DATETIME);
		$this->setRepeatForever(0);
		$this->setRepeatNum(0);
		$this->setRepeatBy('');
		$this->setRepeatD(0);
		$this->setRepeatM(0);
		$this->setRepeatY(0);
	}
        
	private function getNextRepetitionDatesSubtask($subtask, $task, &$new_st_date, &$new_due_date) {
		$new_due_date = null;
		$new_st_date = null;
                
		if ($subtask->getStartDate() instanceof DateTimeValue ) {
			$new_st_date = new DateTimeValue($subtask->getStartDate()->getTimestamp());
		}
		if ($subtask->getDueDate() instanceof DateTimeValue ) {
			$new_due_date = new DateTimeValue($subtask->getDueDate()->getTimestamp());
		}
		if ($task->getRepeatD() > 0) {
			if ($new_st_date instanceof DateTimeValue) {
				$new_st_date = $new_st_date->add('d', $task->getRepeatD());
			}                        
			if ($new_due_date instanceof DateTimeValue) {
				$new_due_date = $new_due_date->add('d', $task->getRepeatD());
			}
		} else if ($task->getRepeatM() > 0) {
			if ($new_st_date instanceof DateTimeValue) {
				$new_st_date = $new_st_date->add('M', $task->getRepeatM());
			}
			if ($new_due_date instanceof DateTimeValue) {
				$new_due_date = $new_due_date->add('M', $task->getRepeatM());
			}
		} else if ($task->getRepeatY() > 0) {
			if ($new_st_date instanceof DateTimeValue) {
				$new_st_date = $new_st_date->add('y', $task->getRepeatY());
			}
			if ($new_due_date instanceof DateTimeValue) {
				$new_due_date = $new_due_date->add('y', $task->getRepeatY());
			}
		}

		$correct_the_days = true;
		Hook::fire('check_working_days_to_correct_repetition', array('task' => $subtask), $correct_the_days);
		if ($correct_the_days) {
			$new_st_date = $this->correct_days_task_repetitive($new_st_date);
			$new_due_date = $this->correct_days_task_repetitive($new_due_date);
		}
		
		return array('st' => $new_st_date, 'due' => $new_due_date);
	}
        
        function correct_days_task_repetitive($date){
            if($date != ""){
                $working_days = explode(",",config_option("working_days"));
                if(!in_array(date("w",  $date->getTimestamp()), $working_days)){
                    $date = $date->add('d', 1);
                    $this->correct_days_task_repetitive($date);
                }
            }
            return $date;
        }
	
	// ---------------------------------------------------
	//  TaskList Operations
	// ---------------------------------------------------

	/**
	 * Add subtask to this list
	 *
	 * @param string $text
	 * @param Contact $assigned_to_user
	 * @param Company $assigned_to_company
	 * @return TemplateTask
	 * @throws DAOValidationError
	 */
	function addSubTask($text, $assigned_to = null) {
		$task = new TemplateTask();
		$task->setText($text);

		if($assigned_to instanceof Contact) 
			$task->setAssignedToContactId($assigned_to->getId());

		$this->attachTask($task); // this one will save task
		return $task;
	} // addTask

	/**
	 * Attach subtask to thistask
	 *
	 * @param TemplateTask $task
	 * @return null
	 */
	function attachTask(TemplateTask $task) {
		if($task->getParentId() == $this->getId()) return;

		$task->setParentId($this->getId());
		$task->save();

		if($this->isCompleted()) $this->open();
	} // attachTask

	/**
	 * Detach subtask from this task
	 *
	 * @param TemplateTask $task
	 * @param TemplateTaskList $attach_to If you wish you can detach and attach task to
	 *   other list with one save query
	 * @return null
	 */
	function detachTask(TemplateTask $task, $attach_to = null) {
		if($task->getParentId() <> $this->getId()) return;

		if($attach_to instanceof TemplateTask) {
			$attach_to->attachTask($task);
		} else {
			$task->setParentId(0);
			$task->save();
		}
	} // detachTask

	/**
	 * Complete this task lists
	 *
	 * @access public
	 * @param DateTimeValue $on Completed on
	 * @param Contact $by Completed by
	 * @return null
	 */
	function complete(DateTimeValue $on, $by) {
		$by_id = $by instanceof Contact ? $by->getId() : 0;
		$this->setCompletedOn($on);
		$this->setCompletedById($by_id);
		$this->save();
		ApplicationLogs::createLog($this, ApplicationLogs::ACTION_CLOSE);
	} // complete

	/**
	 * Open this list
	 *
	 * @access public
	 * @param void
	 * @return null
	 */
	function open() {
		$this->setCompletedOn(NULL);
		$this->setCompletedById(0);
		$this->save();
		ApplicationLogs::createLog($this, ApplicationLogs::ACTION_OPEN);
	} // open

	// ---------------------------------------------------
	//  Related object
	// ---------------------------------------------------

	/**
	 * Return all tasks from this list
	 *
	 * @access public
	 * @param void
	 * @return array
	 */
	function getSubTasks($include_trashed = true) {
		if(is_null($this->all_tasks)) {
			$this->all_tasks = TemplateTasks::instance()->findAll(array(
          'conditions' => '`parent_id` = ' . DB::escape($this->getId()),
          'order' => '`order`, `created_on`',
			'include_trashed' => $include_trashed
          )); // findAll
          if (is_null($this->all_tasks)) $this->all_tasks = array();
		} // if

		return $this->all_tasks;
	} // getTasks

	/**
	 * Return all tasks from this list
	 *
	 * @access public
	 * @param void
	 * @return array
	 */
	function getAllSubTasks($include_trashed = true) {
		if(is_null($this->all_tasks)) {
			$this->all_tasks = TemplateTasks::instance()->findAll(array(
          'conditions' => '`parent_id` = ' . DB::escape($this->getId()),
          'order' => '`order`, `created_on`',
			'include_trashed' => $include_trashed
          )); // findAll
          if (is_null($this->all_tasks)) $this->all_tasks = array();
		} // if
		
		$tasks = $this->all_tasks;
		$result = $tasks;
		
		for ($i = 0; $i < count($tasks); $i++){
			$tsubtasks = $tasks[$i]->getAllSubTasks($include_trashed);
			for ($j = 0; $j < count($tsubtasks); $j++)
				$result[] = $tsubtasks[$j];
		}
		
		return $result;
	} // getTasks
	
	/**
	 * Return open tasks
	 *
	 * @access public
	 * @param void
	 * @return array
	 */
	function getOpenSubTasks() {
		if(is_null($this->open_tasks)) {
			$this->open_tasks = TemplateTasks::instance()->findAll(array(
          'conditions' => '`parent_id` = ' . DB::escape($this->getId()) . ' AND `completed_on` = ' . DB::escape(EMPTY_DATETIME) . ' AND `trashed_on` = ' . DB::escape(EMPTY_DATETIME),
          'order' => '`order`, `created_on`'
          )); // findAll
		} // if

		return $this->open_tasks;
	} // getOpenTasks

	/**
	 * Return completed tasks
	 *
	 * @access public
	 * @param void
	 * @return array
	 */
	function getCompletedSubTasks() {
		if(is_null($this->completed_tasks)) {
			$this->completed_tasks = TemplateTasks::instance()->findAll(array(
          'conditions' => '`parent_id` = ' . DB::escape($this->getId()) . ' AND `completed_on` > ' . DB::escape(EMPTY_DATETIME),
          'order' => '`completed_on` DESC'
          )); // findAll
		} // if

		return $this->completed_tasks;
	} // getCompletedTasks

	/**
	 * Return number of all tasks in this list
	 *
	 * @access public
	 * @param void
	 * @return integer
	 */
	function countAllSubTasks() {
		if(is_null($this->count_all_tasks)) {
			if(is_array($this->all_tasks)) {
				$this->count_all_tasks = count($this->all_tasks);
			} else {
				$this->count_all_tasks = TemplateTasks::instance()->count('`parent_id` = ' . DB::escape($this->getId()));
			} // if
		} // if
		return $this->count_all_tasks;
	} // countAllTasks

	/**
	 * Return number of open tasks
	 *
	 * @access public
	 * @param void
	 * @return integer
	 */
	function countOpenSubTasks() {
		if(is_null($this->count_open_tasks)) {
			if(is_array($this->open_tasks)) {
				$this->count_open_tasks = count($this->open_tasks);
			} else {
				$this->count_open_tasks = TemplateTasks::instance()->count('`parent_id` = ' . DB::escape($this->getId()) . ' AND `completed_on` = ' . DB::escape(EMPTY_DATETIME));
			} // if
		} // if
		return $this->count_open_tasks;
	} // countOpenTasks

	/**
	 * Return number of completed tasks
	 *
	 * @access public
	 * @param void
	 * @return integer
	 */
	function countCompletedSubTasks() {
		if(is_null($this->count_completed_tasks)) {
			if(is_array($this->completed_tasks)) {
				$this->count_completed_tasks = count($this->completed_tasks);
			} else {
				$this->count_completed_tasks = TemplateTasks::instance()->count('`parent_id` = ' . DB::escape($this->getId()) . ' AND `completed_on` > ' . DB::escape(EMPTY_DATETIME));
			} // if
		} // if
		return $this->count_completed_tasks;
	} // countCompletedTasks

	/**
	 * Get project forms that are in relation with this task list
	 *
	 * @param void
	 * @return array
	 */
	function getRelatedForms() {
		if(is_null($this->related_forms)) {
			$this->related_forms = ProjectForms::instance()->findAll(array(
          'conditions' => '`action` = ' . DB::escape(ProjectForm::ADD_TASK_ACTION) . ' AND `in_object_id` = ' . DB::escape($this->getId()),
          'order' => '`order`'
          )); // findAll
		} // if
		return $this->related_forms;
	} // getRelatedForms

	/**
	 * Return user who completed this task
	 *
	 * @access public
	 * @param void
	 * @return Contact
	 */
	function getCompletedBy() {
		if(!($this->completed_by instanceof Contact)) {
			$this->completed_by = Contacts::instance()->findById($this->getCompletedById());
		} // if
		return $this->completed_by;
	} // getCompletedBy

	/**
	 * Return the name of who completed this task
	 *
	 * @access public
	 * @param void
	 * @return Contact
	 */
	function getCompletedByName() {
		if ($this->isCompleted()){
			if(!($this->completed_by instanceof Contact)) {
				$this->completed_by = Contacts::instance()->findById($this->getCompletedById());
			} // if
			if ($this->completed_by instanceof Contact) {
				return $this->completed_by->getObjectName();
			} else {
				return '';
			}
		} else return '';
	} // getCompletedBy
	


	// ---------------------------------------------------
	//  URLs
	// ---------------------------------------------------

	/**
	 * Return edit task URL
	 *
	 * @access public
	 * @param void
	 * @return string
	 */
	function getEditUrl() {
		return get_url('task', 'edit_task', array('id' => $this->getId()));
	} // getEditUrl

	/**
	 * Return edit list URL
	 *
	 * @access public
	 * @param void
	 * @return string
	 */
	function getEditListUrl() {
		return get_url('task', 'edit_task', array('id' => $this->getId(),'template_task' => 1));
	} // getEditUrl

	/**
	 * Return delete task URL
	 *
	 * @access public
	 * @param void
	 * @return string
	 */
	function getDeleteUrl() {
		return get_url('task', 'delete_task', array('id' => $this->getId()));
	} // getDeleteUrl

	/**
	 * Return delete task list URL
	 *
	 * @access public
	 * @param void
	 * @return string
	 */
	function getDeleteListUrl() {
		return get_url('task', 'delete_task', array('id' => $this->getId()));
	} // getDeleteUrl

	/**
	 * Return comete task URL
	 *
	 * @access public
	 * @param string $redirect_to Redirect to this URL (referer will be used if this URL is not provided)
	 * @return string
	 */
	function getCompleteUrl($redirect_to = null) {
		$params = array(
        'id' => $this->getId()
		); // array

		if(trim($redirect_to)) {
			$params['redirect_to'] = $redirect_to;
		} // if

		return get_url('task', 'complete_task', $params);
	} // getCompleteUrl

	/**
	 * Return open task URL
	 *
	 * @access public
	 * @param string $redirect_to Redirect to this URL (referer will be used if this URL is not provided)
	 * @return string
	 */
	function getOpenUrl($redirect_to = null) {
		$params = array(
        'id' => $this->getId()
		); // array

		if(trim($redirect_to)) {
			$params['redirect_to'] = $redirect_to;
		} // if

		return get_url('task', 'open_task', $params);
	} // getOpenUrl


	/**
	 * Return add task url
	 *
	 * @param boolean $redirect_to_list Redirect back to the list when task is added. If false
	 *   after submission user will be redirected to projects tasks page
	 * @return string
	 */
	function getAddTaskUrl($redirect_to_list = true) {
		$attributes = array('id' => $this->getId());
		if($redirect_to_list) {
			$attributes['back_to_list'] = true;
		} // if
		return get_url('task', 'add_task', $attributes);
	} // getAddTaskUrl

	/**
	 * Return reorder tasks URL
	 *
	 * @param boolean $redirect_to_list
	 * @return string
	 */
	function getReorderTasksUrl($redirect_to_list = true) {
		$attributes = array('task_list_id' => $this->getId());
		if($redirect_to_list) {
			$attributes['back_to_list'] = true;
		} // if
		return get_url('task', 'reorder_tasks', $attributes);
	} // getReorderTasksUrl
	 
	/**
	 * Return view list URL
	 *
	 * @param void
	 * @return string
	 */
	function getViewUrl() {
		return get_url('task', 'view', array('id' => $this->getId(), 'template_task'=> true));
	} // getViewUrl
	
	/**
	 * Return print URL
	 *
	 * @param void
	 * @return string
	 */
	function getPrintUrl() {
		return get_url('task', 'print_task', array('id' => $this->getId()));
	} // getViewUrl

	/**
	 * This function will return URL of this specific list on project tasks page
	 *
	 * @param void
	 * @return string
	 */
	function getOverviewUrl() {
		/*TODO re-implement
		$project = $this->getProject();
		if($project instanceof Project) {
			return $project->getTasksUrl() . '#taskList' . $this->getId();
		} // if*/
		return '';
	} // getOverviewUrl

	// ---------------------------------------------------
	//  System
	// ---------------------------------------------------

	/**
	 * Validate before save
	 *
	 * @access public
	 * @param array $errors
	 * @return null
	 */
	function validate($errors) {
		if(!$this->getObject()->validatePresenceOf('name')) $errors[] = lang('task title required');
		if(!$this->validateMinValueOf('percent_completed', 0)) $errors[] = lang('task percent completed must be greater than 0');
		//if(!$this->validateMaxValueOf('percent_completed', 100)) $errors[] = lang('task percent completed must be lower than 100');
	} // validate

	 
	/**
	 * Delete this task lists
	 *
	 * @access public
	 * @param boolean $delete_childs
	 * @return boolean
	 */
	function delete($delete_children = true) {
		if($delete_children)  {
			$children = $this->getSubTasks();
			foreach($children as $child)
				$child->delete(true);
		}
		ProjectTaskDependencies::instance()->delete('( task_id = '. $this->getId() .' OR previous_task_id = '.$this->getId().')');
		
		TemplateObjects::removeObjectFromTemplates($this);
		
		$task_list = $this->getParent();
		if($task_list instanceof TemplateTask) $task_list->detachTask($this);
		return parent::delete();
	} // delete
	
	function trash($trash_children = true, $trashDate = null) {
		if (is_null($trashDate))
			$trashDate = DateTimeValueLib::now();
		if($trash_children)  {
			$children = $this->getAllSubTasks();
			foreach($children as $child)
				$child->trash(true,$trashDate);
		}
		return parent::trash($trashDate);
	} // delete
	
	function archive($archive_children = true, $archiveDate = null) {
		if (is_null($archiveDate))
			$archiveDate = DateTimeValueLib::now();
		if($archive_children)  {
			$children = $this->getAllSubTasks();
			foreach($children as $child)
				$child->archive(true,$archiveDate);
		}
		return parent::archive($archiveDate);
	} // delete

	/**
	 * Save this list
	 *
	 * @param void
	 * @return boolean
	 */
	function save() {
		if (!$this->isNew()) {
			$old_me = TemplateTasks::instance()->findById($this->getId(), true);
			if (!$old_me instanceof TemplateTask) return; // TODO: check this!!!
			// This was added cause deleting some tasks was giving an error, couldn't reproduce it again, but this solved it 
		}
		if ($this->isNew() ||
				$this->getAssignedToContactId() != $old_me->getAssignedToContactId()) {
			$this->setAssignedBy(logged_user());
			$this->setAssignedOn(DateTimeValueLib::now());
		}
		
		$due_date_changed = false;
		if (!$this->isNew()) {
			$old_due_date = $old_me->getDueDate();
			$due_date = $this->getDueDate();
			if ($due_date instanceof DateTimeValue) {
				if (!$old_due_date instanceof DateTimeValue || $old_due_date->getTimestamp() != $due_date->getTimestamp()) {
					$due_date_changed = true;
				}
			} else {
				if ($old_due_date instanceof DateTimeValue) {
					$due_date_changed = true;
				}
			}
		}
		
		//update Depth And Parents Path
		$parent_id_changed = false;
		$new_parent_id = $this->getParentId();
		if (!$this->isNew()) {
			$old_parent_id = $old_me->getParentId();
			if($old_parent_id != $new_parent_id){
				$this->updateDepthAndParentsPath($new_parent_id);
			}
		}else{
			$this->updateDepthAndParentsPath($new_parent_id);
		}
		
		parent::save();
		
		if ($due_date_changed) {
			$id = $this->getId();
			$sql = "UPDATE `".TABLE_PREFIX."object_reminders` SET
				`date` = date_sub((SELECT `due_date` FROM `".TABLE_PREFIX."template_tasks` WHERE `object_id` = $id),
					interval `minutes_before` minute) WHERE `object_id` = $id;";
			DB::execute($sql);
		}
		
		//update Depth And Parents Path for subtasks
		$subtasks = $this->getSubTasks();
		if(is_array($subtasks)) {
			foreach($subtasks as $subtask) {
				$subtask->updateDepthAndParentsPath($this->getId());
				$subtask->save();
			} // if
		} // if

		return true;

	} // save
	
	function updateDepthAndParentsPath($new_parent_id){
		if($new_parent_id > 0){
			//set Parents Path
			$parents_ids = array();
			$parent = $this->getParent();
			if(!$parent instanceof TemplateTask){
				return;
			}
			$stop = false;
			while (!$stop) {
				$parents_ids[] = $parent->getId();
				if($parent->getParentId() > 0){
					$parent = $parent->getParent();
				}else{
					$stop = true;
				}
			}
			$parents_path = implode(',', $parents_ids);
			$this->setParentsPath($parents_path);
				
			//set Depth
			$this->setDepth(count($parents_ids));
		}else{
			$this->setParentsPath('');
			$this->setDepth(0);
		}
	}

	function unarchive($unarchive_children = true){
		$archiveTime = $this->getArchivedOn();
		parent::unarchive();
		if ($unarchive_children){
			$children = $this->getAllSubTasks();
			foreach($children as $child)
				if ($child->isArchived() && $child->getArchivedOn()->getTimestamp() == $archiveTime->getTimestamp())
					$child->unarchive(false);
		}
	}

	function untrash($untrash_children = true){
		$deleteTime = $this->getTrashedOn();
		parent::untrash();
		if ($untrash_children){
			$children = $this->getAllSubTasks();
			foreach($children as $child)
				if ($child->isTrashed() && $child->getTrashedOn()->getTimestamp() == $deleteTime->getTimestamp())
					$child->untrash(false);
		}
/* FIXME
		if ($this->hasOpenTimeslots()){
			$openTimeslots = $this->getOpenTimeslots();
			foreach ($openTimeslots as $timeslot){
				if (!$timeslot->isPaused()){
					$timeslot->setPausedOn($deleteTime);
					$timeslot->resume();
					$timeslot->save();
				}
			}
		}*/
	}

	/**
	 * Drop all tasks that are in this list
	 *
	 * @access public
	 * @param void
	 * @return boolean
	 */
	function deleteSubTasks() {
		return TemplateTasks::instance()->delete(DB::escapeField('parent_id') . ' = ' . DB::escape($this->getId()));
	} // deleteTasks


	// ---------------------------------------------------
	//  ApplicationDataObject implementation
	// ---------------------------------------------------


	/**
	 * Return object URl
	 *
	 * @access public
	 * @param void
	 * @return string
	 */
	function getObjectUrl() {
		return $this->getViewUrl();
	} // getObjectUrl
	
	/**
	 * Return object for task listing
	 *
	 * @return unknown
	 */
	function getDashboardObject(){
    	if($this->getUpdatedById() > 0 && $this->getUpdatedBy() instanceof Contact){
    		$updated_by_id = $this->getUpdatedBy()->getObjectId();
    		$updated_by_name = $this->getUpdatedByDisplayName();
			$updated_on = $this->getObjectUpdateTime() instanceof DateTimeValue ? ($this->getObjectUpdateTime()->isToday() ? format_time($this->getObjectUpdateTime()) : format_datetime($this->getObjectUpdateTime())) : lang('n/a');	
    	}else {
    		if($this->getCreatedBy())
    			$updated_by_id = $this->getCreatedById();
    		else
    			$updated_by_id = lang('n/a');
    		$updated_by_name = $this->getCreatedByDisplayName();
			$updated_on = $this->getObjectCreationTime() instanceof DateTimeValue ? ($this->getObjectCreationTime()->isToday() ? format_time($this->getObjectCreationTime()) : format_datetime($this->getObjectCreationTime())) : lang('n/a');
    	}
    	if ($this instanceof TemplateTask)
    		$parent_id = $this->getParentId();
    	else 
    		$parent_id = $this->getId();
   	
		$deletedOn = $this->getTrashedOn() instanceof DateTimeValue ? ($this->getTrashedOn()->isToday() ? format_time($this->getTrashedOn()) : format_datetime($this->getTrashedOn(), 'M j')) : lang('n/a');
		if ($this->getTrashedById() > 0)
			$deletedBy = Contacts::instance()->findById($this->getTrashedById());
    	if (isset($deletedBy) && $deletedBy instanceof Contact) {
    		$deletedBy = $deletedBy->getObjectName();
    	} else {
    		$deletedBy = lang("n/a");
    	}
    	
		$archivedOn = $this->getArchivedOn() instanceof DateTimeValue ? ($this->getArchivedOn()->isToday() ? format_time($this->getArchivedOn()) : format_datetime($this->getArchivedOn(), 'M j')) : lang('n/a');
		if ($this->getArchivedById() > 0)
			$archivedBy = Contacts::instance()->findById($this->getArchivedById());
    	if (isset($archivedBy) && $archivedBy instanceof Contact) {
    		$archivedBy = $archivedBy->getObjectName();
    	} else {
    		$archivedBy = lang("n/a");
    	}
    		
    	return array(
				"id" => $this->getObjectTypeName() . $this->getId(),
				"object_id" => $this->getId(),
				"ot_id" => $this->getObjectTypeId(),
				"name" => $this->getObjectName(),
				"type" => $this->getObjectTypeName(),
				"tags" => project_object_tags($this),
				"createdBy" => $this->getCreatedByDisplayName(),
				"createdById" => $this->getCreatedById(),
    			"dateCreated" => $this->getObjectCreationTime() instanceof DateTimeValue ? ($this->getObjectCreationTime()->isToday() ? format_time($this->getObjectCreationTime()) : format_datetime($this->getObjectCreationTime())) : lang('n/a'),
				"updatedBy" => $updated_by_name,
				"updatedById" => $updated_by_id,
				"dateUpdated" => $updated_on,
				"url" => $this->getObjectUrl(),
				"parentId" => $parent_id,
				"status" => "Pending",
				"manager" => get_class($this->manager()),
    			"deletedById" => $this->getTrashedById(),
    			"deletedBy" => $deletedBy,
    			"dateDeleted" => $deletedOn,
    			"archivedById" => $this->getArchivedById(),
    			"archivedBy" => $archivedBy,
    			"dateArchived" => $archivedOn,
    			"isRead" => $this->getIsRead(logged_user()->getId())
			);
    }

    /**
	 * Returns true if the task has a subtask with id $id.
	 * 
	 * @param integer $id id to look for
	 * @return boolean
	 */
	function hasChild($id) {
		foreach ($this->getSubTasks() as $sub) {
			if ($sub->getId() == $id || $sub->hasChild($id)) {
				return true;
			}
		}
		return false;
	}
	
	
	/**
	 * Begin task templates
	 */
	function getAssignTemplateToWSUrl(){
		return get_url('administration','assign_task_template_to_ws',array('id'=> $this->getId()));
	}
	/**
	 * End task templates
	 */

	function getArrayInfo($full = false){
		if(config_option("wysiwyg_tasks")){
			if($this->getTypeContent() == "text"){
				$desc = nl2br(htmlspecialchars($this->getText()));
			}else{
				$desc = purify_html(nl2br($this->getText()));
			}
		}else{
			if($this->getTypeContent() == "text"){
				$desc = htmlspecialchars($this->getText());
			}else{
				$desc = html_to_text(html_entity_decode(nl2br($this->getText()), null, "UTF-8"));
			}
		}

		$member_ids = ObjectMembers::instance()->getCachedObjectMembers($this->getId());
		$result = array(
			'id' => $this->getId(),
			't' => $this->getObjectName(),
			'desc' => $desc,
			'members' => $member_ids,
			'c' => $this->getCreatedOn() instanceof DateTimeValue ? $this->getCreatedOn()->getTimestamp() : 0,
			'cid' => $this->getCreatedById(),
			'otype' => $this->getObjectSubtype(),
			'pc' => $this->getPercentCompleted(),
			'memPath' => str_replace('"',"'", escape_character(json_encode($this->getMembersIdsToDisplayPath())))
		);

		if ($full) {
			$result['description'] = $this->getText();
		}

		$result['mas'] = $this->getColumnValue('multi_assignment',0);
			
		if ($this->isCompleted()) {
			$result['s'] = 1;
		}
			
		if ($this->getParentId() > 0) {
			$result['pid'] = $this->getParentId();
		}
		//if ($this->getPriority() != 200)
		$result['pr'] = $this->getPriority();

		if ($this->getMilestoneId() > 0) {
			$result['mid'] = $this->getMilestoneId();
		}
			
		if ($this->getAssignedToContactId() > 0) {
			$result['atid'] = $this->getAssignedToContactId();
		}
		$result['atName'] = $this->getAssignedToName();

		if ($this->getCompletedById() > 0) {
			$result['cbid'] = $this->getCompletedById();
			$result['con'] = $this->getCompletedOn()->getTimestamp();
		}
		
		$result['timezone_id'] = $this->getTimezoneId();
		$result['timezone_value'] = $this->getTimezoneValue();
		
		$tz_offset = Timezones::getTimezoneOffsetToApply($this);
			
		if ($this->getDueDate() instanceof DateTimeValue) {
			$result['dd'] = $this->getDueDate()->getTimestamp() + $tz_offset;
			$result['udt'] = $this->getUseDueTime() ? 1 : 0;
		}
		if ($this->getStartDate() instanceof DateTimeValue) {
			$result['sd'] = $this->getStartDate()->getTimestamp() + $tz_offset;
			$result['ust'] = $this->getUseStartTime() ? 1 : 0;
		}

		$time_estimate = $this->getTimeEstimate() ;
		$result['te'] = $this->getTimeEstimate();
		if ($time_estimate > 0) $result['et'] = DateTimeValue::FormatTimeDiff(new DateTimeValue(0), new DateTimeValue($time_estimate * 60), 'hm', 60) ;


		$result['tz'] = $tz_offset;

		$ot = $this->getOpenTimeslots();

		if ($ot){
			$users = array();
			$time = array();
			$paused = array();
			foreach ($ot as $t){
				if (!$t instanceof Timeslot) continue;
				$time[] = $t->getSeconds();
				$users[] = $t->getContactId();
				$paused[] = $t->isPaused()?1:0;
				if ($t->isPaused() && $t->getContactId() == logged_user()->getId())
				$result['wpt'] = $t->getPausedOn()->getTimestamp();
			}
			$result['wt'] = $time;
			$result['wid'] = $users;
			$result['wp'] = $paused;
		}

		if ($this->isRepetitive()) {
			$result['rep'] = 1;
		}
		
		return $result;
	}
	
	function isRepetitive() {
		return ($this->getRepeatForever() > 0 || $this->getRepeatNum() > 0 || 
			($this->getRepeatEnd() instanceof DateTimeValue && $this->getRepeatEnd()->toMySQL() != EMPTY_DATETIME) );
	}
	
	function getOpenTimeslots(){
		return Timeslots::instance()->getOpenTimeslotsByObject($this->getId());
	}
	
	/**
	 * Notifies the user of comments and due date of this task
	 *
	 * @param Contact $user
	 */
	function subscribeUser($user) {
		parent::subscribeUser($user);
	}
	
	/**
	 * Stops notifying user of comments and due date
	 *
	 * @param unknown_type $user
	 */
	function unsubscribeUser($user) {
		parent::unsubscribeUser($user);
		//ObjectReminders::clearByObject($this);
	}
	
	
	
	function apply_members_to_subtasks($members, $recursive = false) {
		if (!is_array($members) || count($members)==0) return;
	
		foreach ($this->getSubTasks() as $subtask) {
			$subtask->addToMembers($members);
			Hook::fire ('after_add_to_members', $subtask, $members);
			if ($recursive) {
				$subtask->apply_members_to_subtasks($members, $recursive);
			}
		}
	}


	function calculatePercentComplete() {
		if (!$this->isCompleted() && $this->getTimeEstimate() > 0){
			$all_timeslots = $this->getTimeslots();
			$total_time = 0;
			foreach ($all_timeslots as $ts) {
				if (!$ts->getEndTime() instanceof DateTimeValue) continue;
				$total_time += ($ts->getEndTime()->getTimestamp() - ($ts->getStartTime()->getTimestamp() + $ts->getSubtract())) / 3600;
			}
			$total_percentComplete = round(($total_time * 100) / ($this->getTimeEstimate() / 60));
			if ($total_percentComplete < 0) $total_percentComplete = 0;
			
			$this->setPercentCompleted($total_percentComplete);
			$this->save();
		}
	}

	/**
	 * @return false
	 */
	function isInvoicedOrPartiallyInvoiced() {
		return false;
	}
	
} // TemplateTask
