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<?php
namespace Model;
use DateTime;
use DateInterval;
/**
* Subtask Forecast
*
* @package model
* @author Frederic Guillot
*/
class SubtaskForecast extends Base
{
/**
* Get not completed subtasks with an estimate sorted by postition
*
* @access public
* @param integer $user_id
* @return array
*/
public function getSubtasks($user_id)
{
return $this->db
->table(Subtask::TABLE)
->columns(Subtask::TABLE.'.id', Task::TABLE.'.project_id', Subtask::TABLE.'.task_id', Subtask::TABLE.'.title', Subtask::TABLE.'.time_estimated')
->join(Task::TABLE, 'id', 'task_id')
->asc(Task::TABLE.'.position')
->asc(Subtask::TABLE.'.position')
->gt(Subtask::TABLE.'.time_estimated', 0)
->eq(Subtask::TABLE.'.user_id', $user_id)
->findAll();
}
/**
* Get the start date for the forecast
*
* @access public
* @param integer $user_id
* @return array
*/
public function getStartDate($user_id)
{
$subtask = $this->db->table(Subtask::TABLE)
->columns(Subtask::TABLE.'.time_estimated', SubtaskTimeTracking::TABLE.'.start')
->eq(SubtaskTimeTracking::TABLE.'.user_id', $user_id)
->eq(SubtaskTimeTracking::TABLE.'.end', 0)
->status('status', Subtask::STATUS_INPROGRESS)
->join(SubtaskTimeTracking::TABLE, 'subtask_id', 'id')
->findOne();
if ($subtask && $subtask['time_estimated'] && $subtask['start']) {
return date('Y-m-d H:i', $subtask['start'] + $subtask['time_estimated'] * 3600);
}
return date('Y-m-d H:i');
}
/**
* Get all calendar events according to the user timetable and the subtasks estimates
*
* @access public
* @param integer $user_id
* @param string $end End date of the calendar
* @return array
*/
public function getCalendarEvents($user_id, $end)
{
$events = array();
$start_date = new DateTime($this->getStartDate($user_id));
$timetable = $this->timetable->calculate($user_id, $start_date, new DateTime($end));
$subtasks = $this->getSubtasks($user_id);
$total = count($subtasks);
$offset = 0;
foreach ($timetable as $slot) {
$interval = $this->dateParser->getHours($slot[0], $slot[1]);
$start = $slot[0]->getTimestamp();
if ($slot[0] < $start_date) {
continue;
}
while ($offset < $total) {
$event = array(
'id' => $subtasks[$offset]['id'].'-'.$subtasks[$offset]['task_id'].'-'.$offset,
'subtask_id' => $subtasks[$offset]['id'],
'title' => t('#%d', $subtasks[$offset]['task_id']).' '.$subtasks[$offset]['title'],
'url' => $this->helper->url('task', 'show', array('task_id' => $subtasks[$offset]['task_id'], 'project_id' => $subtasks[$offset]['project_id'])),
'editable' => false,
'start' => date('Y-m-d\TH:i:s', $start),
);
if ($subtasks[$offset]['time_estimated'] <= $interval) {
$start += $subtasks[$offset]['time_estimated'] * 3600;
$interval -= $subtasks[$offset]['time_estimated'];
$offset++;
$event['end'] = date('Y-m-d\TH:i:s', $start);
$events[] = $event;
}
else {
$subtasks[$offset]['time_estimated'] -= $interval;
$event['end'] = $slot[1]->format('Y-m-d\TH:i:s');
$events[] = $event;
break;
}
}
}
return $events;
}
}
|
