edit_task.php

<?php

/*
*
* @package mod-project
* @category mod
* @author Yann Ducruy (yann[dot]ducruy[at]gmail[dot]com). Contact me if needed
* @date 12/06/2015
* @version 3.2
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*
*/

require_once($CFG->dirroot."/mod/project/forms/form_task.class.php");
$PAGE->requires->js('/mod/project/js/js.js');

$taskid = optional_param('taskid', '', PARAM_INT);

$mode = ($taskid) ? 'update' : 'add' ;

$url = $CFG->wwwroot.'/mod/project/view.php?id='.$id.'#node'.$taskid;
$project->cm = $cm;
$mform = new Task_Form($url, $project, $mode, $taskid);

if ($mform->is_cancelled()){
  redirect($url);
}

if ($data = $mform->get_data()){
    $data->groupid = $currentGroupId;
    $data->projectid = $project->id;	
    $data->userid = $USER->id;
    $data->modified = time();
    $data->descriptionformat = $data->description_editor['format'];
    $data->description = $data->description_editor['text'];
    $data->lastuserid = $USER->id;

    if ($data->taskstart) $data->taskstartenable = 1;
    if ($data->taskend) $data->taskendenable = 1;

	// editors pre save processing
    $draftid_editor = file_get_submitted_draft_itemid('description_editor');
    $data->description = file_save_draft_area_files($draftid_editor, $context->id, 'mod_project', 'taskdescription', $data->id, array('subdirs' => true), $data->description);
    $data = file_postupdate_standard_editor($data, 'description', $mform->descriptionoptions, $context, 'mod_project', 'taskdescription', $data->id);

    if ($data->taskid) {
			$data->id = $data->taskid; 
            // id is course module id
            $oldAssigneeId = $DB->get_field('project_task', 'assignee', array('id' => $data->id));
            $DB->update_record('project_task', $data);
            //add_to_log($course->id, 'project', 'changetask', "view.php?id=$cm->id&view=tasks&group={$currentGroupId}", 'update', $cm->id);

            $tasktospec = optional_param_array('taskospec', null, PARAM_INT);
            if (count($tasktospec) > 0){
    		// removes previous mapping
                $DB->delete_records('project_task_to_spec', array('projectid' => $project->id, 'groupid' => $currentGroupId, 'taskid' => $data->id));
    		    // stores new mapping
                foreach($tasktospec as $aSpec){
                    $amap->id = 0;
                    $amap->projectid = $project->id;
                    $amap->groupid = $currentGroupId;
                    $amap->specid = $aSpec;
                    $amap->taskid = $data->id;
                    $res = $DB->insert_record('project_task_to_spec', $amap);
                }
            }

			// todo a function ? 
            $mapped = optional_param_array('tasktodeliv', null, PARAM_INT);
            if (count($mapped) > 0){
    		    // removes previous mapping
                $DB->delete_records('project_task_to_deliv', array('projectid' => $project->id, 'groupid' => $currentGroupId, 'taskid' => $data->id));
    		    // stores new mapping
                foreach($mapped as $mappedid){
                    $amap->id = 0;
                    $amap->projectid = $project->id;
                    $amap->groupid = $currentGroupId;
                    $amap->delivid = $mappedid;
                    $amap->taskid = $data->id;
                    $res = $DB->insert_record('project_task_to_deliv', $amap);
                }
            }

            $mapped = optional_param_array('taskdependency', null, PARAM_INT);
		    // removes previous mapping
            $DB->delete_records('project_task_dependency', array('projectid' => $project->id, 'groupid' => $currentGroupId, 'slave' => $data->id));
            $DB->delete_records('project_task_dependency', array('projectid' => $project->id, 'groupid' => $currentGroupId, 'master' => $data->id));
            if (count($mapped) > 0){
    		    // stores new mapping
                foreach($mapped as $mappedid){
                    $amap->id = 0;
                    $amap->projectid = $project->id;
                    $amap->groupid = $currentGroupId;
                    $amap->master = $mappedid;
                    $amap->slave = $data->id;
                    $res = $DB->insert_record('project_task_dependency', $amap);
                }

           		// if notifications allowed and previous assignee exists (and is not the new assignee) notify previous assignee
                if( $project->allownotifications && !empty($oldAssigneeId) && $data->assignee != $oldAssigneeId){
                    project_notify_task_unassign($project, $data, $oldAssigneeId, $currentGroupId);
                }
            }
        } 
        else {
            $data->created = time();
            $data->ordering = project_tree_get_max_ordering($project->id, $currentGroupId, 'project_task', true, $data->fatherid) + 1;
			unset($data->id); 
            // id is course module id

			if ($data->groupid == 0 && $groupmode != NOGROUPS) {
                $groups = groups_get_all_groups($COURSE->id);
                foreach ($groups as $group) {
                    $data->groupid = $group->id;
                    $data->id = $DB->insert_record('project_task', $data);
                }
            }
            else{
                $data->id = $DB->insert_record('project_task', $data);
            }

        	//add_to_log($course->id, 'project', 'addtask', "view.php?id=$cm->id&view=tasks&group={$currentGroupId}", 'add', $cm->id);

            if( $project->allownotifications){
                project_notify_new_task($project, $cm->id, $data, $currentGroupId);
            }
        }

   		// if subtask, force dependency upon father
        if ($data->fatherid != 0){
            $aDependency->id = 0;
            $aDependency->projectid = $project->id;
            $aDependency->groupid = $currentGroupId;
            $aDependency->slave = $data->fatherid;
            $aDependency->master = $data->id;
            $DB->insert_record('project_task_dependency', $aDependency);
        }
   		// if subtask, calculate branch propagation
        if ($data->fatherid != 0){
            project_tree_propagate_up('project_task', 'done', $data->id, '~');
            project_tree_propagate_up('project_task', 'planned', $data->id, '+');
            project_tree_propagate_up('project_task', 'used', $data->id, '+');
            project_tree_propagate_up('project_task', 'quoted', $data->id, '+');
            project_tree_propagate_up('project_task', 'spent', $data->id, '+');
        }

   		// if notifications allowed and assignee set notify assignee
        if( $project->allownotifications && !empty($data->assignee)){
            project_notify_task_assign($project, $data, $currentGroupId);
        }

        redirect($url);
    }

    echo $pagebuffer;
    if ($mode == 'add'){
        $task->fatherid = required_param('fatherid', PARAM_INT);
        $tasktitle = ($task->fatherid) ? 'addsubtask' : 'addtask';
        $task->id = $cm->id;
        $task->projectid = $project->id;
        $task->descriptionformat = FORMAT_HTML;
        $task->description = '';

        echo $OUTPUT->heading(get_string($tasktitle, 'project'));
    } 
    else {
        if(! $task = $DB->get_record('project_task', array('id' => $taskid))){
            print_error('errortask','project');
        }
        $task->taskid = $task->id;
        $task->id = $cm->id;
        echo $OUTPUT->heading(get_string('updatetask','project'));
    }

    $mform->set_data($task);
    $mform->display();