/** Get data to display on GANTT for a project task
*
* @param $ID ID of the project task
*/
static function getDataToDisplayOnGantt($ID)
{
global $DB;
$todisplay = array();
$task = new self();
// echo $ID.'<br>';
if ($task->getFromDB($ID)) {
$subtasks = array();
foreach ($DB->request('glpi_projecttasks', array('projecttasks_id' => $ID, 'ORDER' => array('plan_start_date', 'real_start_date'))) as $data) {
$subtasks += static::getDataToDisplayOnGantt($data['id']);
}
$real_begin = NULL;
$real_end = NULL;
// Use real if set
if (!is_null($task->fields['real_start_date'])) {
$real_begin = $task->fields['real_start_date'];
}
// Determine begin / end date of current task if not set (min/max sub projects / tasks)
if (is_null($real_begin)) {
if (!is_null($task->fields['plan_start_date'])) {
$real_begin = $task->fields['plan_start_date'];
} else {
foreach ($subtasks as $subtask) {
if (is_null($real_begin) || !is_null($subtask['from']) && $real_begin > $subtask['from']) {
$real_begin = $subtask['from'];
}
}
}
}
// Use real if set
if (!is_null($task->fields['real_end_date'])) {
$real_end = $task->fields['real_end_date'];
}
if (is_null($real_end)) {
if (!is_null($task->fields['plan_end_date'])) {
$real_end = $task->fields['plan_end_date'];
} else {
foreach ($subtasks as $subtask) {
if (is_null($real_end) || !is_null($subtask['to']) && $real_end < $subtask['to']) {
$real_end = $subtask['to'];
}
}
}
}
$parents = 0;
if ($task->fields['projecttasks_id'] > 0) {
$parents = count(getAncestorsOf("glpi_projecttasks", $ID));
}
if ($task->fields['is_milestone']) {
$percent = "";
} else {
$percent = isset($task->fields['percent_done']) ? $task->fields['percent_done'] : 0;
}
// Add current task
$todisplay[$real_begin . '#' . $real_end . '#task' . $task->getID()] = array('id' => $task->getID(), 'name' => $task->fields['name'], 'desc' => $task->fields['content'], 'link' => $task->getlink(), 'type' => 'task', 'percent' => $percent, 'from' => $real_begin, 'parents' => $parents, 'to' => $real_end, 'is_milestone' => $task->fields['is_milestone']);
// Add ordered subtasks
foreach ($subtasks as $key => $val) {
$todisplay[$key] = $val;
}
}
return $todisplay;
}
