<?php
/* Copyright (C) 2005      Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2004-2015 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2005-2012 Regis Houssin        <regis.houssin@capnetworks.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 *	\file       htdocs/projet/tasks.php
 *	\ingroup    projet
 *	\brief      List all tasks of a project
 */

require ("../main.inc.php");
require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
require_once DOL_DOCUMENT_ROOT.'/projet/class/task.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';

$langs->load("users");
$langs->load("projects");

$action = GETPOST('action', 'alpha');
$id = GETPOST('id', 'int');
$ref = GETPOST('ref', 'alpha');
$taskref = GETPOST('taskref', 'alpha');
$backtopage=GETPOST('backtopage','alpha');
$cancel=GETPOST('cancel');

$mode = GETPOST('mode', 'alpha');
$mine = ($mode == 'mine' ? 1 : 0);
//if (! $user->rights->projet->all->lire) $mine=1;	// Special for projects

$object = new Project($db);
$taskstatic = new Task($db);
$extrafields_project = new ExtraFields($db);
$extrafields_task = new ExtraFields($db);

include DOL_DOCUMENT_ROOT.'/core/actions_fetchobject.inc.php';  // Must be include, not include_once

if ($id > 0 || ! empty($ref))
{
	// fetch optionals attributes and labels
	$extralabels_projet=$extrafields_project->fetch_name_optionals_label($object->table_element);
}
$extralabels_task=$extrafields_task->fetch_name_optionals_label($taskstatic->table_element);

// Security check
$socid=0;
//if ($user->societe_id > 0) $socid = $user->societe_id;    // For external user, no check is done on company because readability is managed by public status of project and assignement.
$result = restrictedArea($user, 'projet', $id,'projet&project');

// Initialize technical object to manage hooks of thirdparties. Note that conf->hooks_modules contains array array
$hookmanager->initHooks(array('projecttaskcard','globalcard'));

$progress=GETPOST('progress', 'int');
$label=GETPOST('label', 'alpha');
$description=GETPOST('description');
$planned_workload=GETPOST('planned_workloadhour')*3600+GETPOST('planned_workloadmin')*60;

$userAccess=0;



/*
 * Actions
 */

if ($action == 'createtask' && $user->rights->projet->creer)
{
	$error=0;

	$date_start = dol_mktime($_POST['dateohour'],$_POST['dateomin'],0,$_POST['dateomonth'],$_POST['dateoday'],$_POST['dateoyear'],'user');
	$date_end = dol_mktime($_POST['dateehour'],$_POST['dateemin'],0,$_POST['dateemonth'],$_POST['dateeday'],$_POST['dateeyear'],'user');

	if (! $cancel)
	{
		if (empty($taskref))
		{
			setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentities("Ref")), null, 'errors');
			$action='create';
			$error++;
		}
	    if (empty($label))
		{
			setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentities("Label")), null, 'errors');
			$action='create';
			$error++;
		}
		else if (empty($_POST['task_parent']))
		{
			setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentities("ChildOfTask")), null, 'errors');
			$action='create';
			$error++;
		}

		if (! $error)
		{
			$tmparray=explode('_',$_POST['task_parent']);
			$projectid=$tmparray[0];
			if (empty($projectid)) $projectid = $id; // If projectid is ''
			$task_parent=$tmparray[1];
			if (empty($task_parent)) $task_parent = 0;	// If task_parent is ''

			$task = new Task($db);

			$task->fk_project = $projectid;
			$task->ref = $taskref;
			$task->label = $label;
			$task->description = $description;
			$task->planned_workload = $planned_workload;
			$task->fk_task_parent = $task_parent;
			$task->date_c = dol_now();
			$task->date_start = $date_start;
			$task->date_end = $date_end;
			$task->progress = $progress;
			
			// Fill array 'array_options' with data from add form
			$ret = $extrafields_task->setOptionalsFromPost($extralabels_task,$task);

			$taskid = $task->create($user);

			if ($taskid > 0)
			{
				$result = $task->add_contact($_POST["userid"], 'TASKEXECUTIVE', 'internal');
			}
			else
			{
			    setEventMessages($task->error,$task->errors,'errors');
			}
		}

		if (! $error)
		{
			if (! empty($backtopage))
			{
				header("Location: ".$backtopage);
				exit;
			}
			else if (empty($projectid))
			{
				header("Location: ".DOL_URL_ROOT.'/projet/tasks/list.php'.(empty($mode)?'':'?mode='.$mode));
				exit;
			}
			$id = $projectid;
		}
	}
	else
	{
		if (! empty($backtopage))
		{
			header("Location: ".$backtopage);
			exit;
		}
		else if (empty($id))
		{
			// We go back on task list
			header("Location: ".DOL_URL_ROOT.'/projet/tasks/list.php'.(empty($mode)?'':'?mode='.$mode));
			exit;
		}
	}
}


/*
 * View
 */

$form=new Form($db);
$formother=new FormOther($db);
$taskstatic = new Task($db);
$userstatic=new User($db);

$title=$langs->trans("Project").' - '.$langs->trans("Tasks").' - '.$object->ref.' '.$object->name;
if (! empty($conf->global->MAIN_HTML_TITLE) && preg_match('/projectnameonly/',$conf->global->MAIN_HTML_TITLE) && $object->name) $title=$object->ref.' '.$object->name.' - '.$langs->trans("Tasks");
$help_url="EN:Module_Projects|FR:Module_Projets|ES:M&oacute;dulo_Proyectos";
llxHeader("",$title,$help_url);

if ($id > 0 || ! empty($ref))
{
	$object->fetch($id, $ref);
	$object->fetch_thirdparty();
	$res=$object->fetch_optionals($object->id,$extralabels_projet);


	// To verify role of users
	//$userAccess = $object->restrictedProjectArea($user,'read');
	$userWrite  = $object->restrictedProjectArea($user,'write');
	//$userDelete = $object->restrictedProjectArea($user,'delete');
	//print "userAccess=".$userAccess." userWrite=".$userWrite." userDelete=".$userDelete;


	$tab=GETPOST('tab')?GETPOST('tab'):'tasks';

	$head=project_prepare_head($object);
	dol_fiche_head($head, $tab, $langs->trans("Project"),0,($object->public?'projectpub':'project'));

	$param=($mode=='mine'?'&mode=mine':'');

	print '<table class="border" width="100%">';

	$linkback = '<a href="'.DOL_URL_ROOT.'/projet/list.php">'.$langs->trans("BackToList").'</a>';
	
	// Ref
	print '<tr><td class="titlefield">';
	print $langs->trans("Ref");
	print '</td><td>';
	// Define a complementary filter for search of next/prev ref.
	if (! $user->rights->projet->all->lire)
	{
		$projectsListId = $object->getProjectsAuthorizedForUser($user,0,0);
		$object->next_prev_filter=" rowid in (".(count($projectsListId)?join(',',array_keys($projectsListId)):'0').")";
	}
	print $form->showrefnav($object, 'ref', $linkback, 1, 'ref', 'ref', '', $param);
	print '</td></tr>';

	print '<tr><td>'.$langs->trans("Label").'</td><td>'.$object->title.'</td></tr>';

	print '<tr><td>'.$langs->trans("ThirdParty").'</td><td>';
	if (! empty($object->thirdparty->id)) print $object->thirdparty->getNomUrl(1);
	else print '&nbsp;';
	print '</td>';
	print '</tr>';

	// Visibility
	print '<tr><td>'.$langs->trans("Visibility").'</td><td>';
	if ($object->public) print $langs->trans('SharedProject');
	else print $langs->trans('PrivateProject');
	print '</td></tr>';

	// Statut
	print '<tr><td>'.$langs->trans("Status").'</td><td>'.$object->getLibStatut(4).'</td></tr>';

	// Date start
	print '<tr><td>'.$langs->trans("DateStart").'</td><td>';
	print dol_print_date($object->date_start,'day');
	print '</td></tr>';

	// Date end
	print '<tr><td>'.$langs->trans("DateEnd").'</td><td>';
	print dol_print_date($object->date_end,'day');
	print '</td></tr>';

	// Budget
	print '<tr><td>'.$langs->trans("Budget").'</td><td>';
	if (strcmp($object->budget_amount, '')) print price($object->budget_amount,'',$langs,0,0,0,$conf->currency);
	print '</td></tr>';
	
	// Other options
	$parameters=array();
	$reshook=$hookmanager->executeHooks('formObjectOptions',$parameters,$object,$action); // Note that $action and $object may have been modified by hook
	if (empty($reshook) && ! empty($extrafields_project->attribute_label))
	{
		print $object->showOptionals($extrafields_project);
	}

	print '</table>';

	dol_fiche_end();
}


if ($action == 'create' && $user->rights->projet->creer && (empty($object->thirdparty->id) || $userWrite > 0))
{
	if ($id > 0 || ! empty($ref)) print '<br>';

	print load_fiche_titre($langs->trans("NewTask"), '', 'title_project');

	print '<form action="'.$_SERVER['PHP_SELF'].'" method="POST">';
	print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
	print '<input type="hidden" name="action" value="createtask">';
	print '<input type="hidden" name="backtopage" value="'.$backtopage.'">';
	if (! empty($object->id)) print '<input type="hidden" name="id" value="'.$object->id.'">';
	if (! empty($mode)) print '<input type="hidden" name="mode" value="'.$mode.'">';
	
	dol_fiche_head('');

	print '<table class="border" width="100%">';

	$defaultref='';
	$obj = empty($conf->global->PROJECT_TASK_ADDON)?'mod_task_simple':$conf->global->PROJECT_TASK_ADDON;
	if (! empty($conf->global->PROJECT_TASK_ADDON) && is_readable(DOL_DOCUMENT_ROOT ."/core/modules/project/task/".$conf->global->PROJECT_TASK_ADDON.".php"))
	{
		require_once DOL_DOCUMENT_ROOT ."/core/modules/project/task/".$conf->global->PROJECT_TASK_ADDON.'.php';
		$modTask = new $obj;
		$defaultref = $modTask->getNextValue($soc,$object);
	}

	if (is_numeric($defaultref) && $defaultref <= 0) $defaultref='';

	// Ref
	print '<tr><td class="titlefieldcreate"><span class="fieldrequired">'.$langs->trans("Ref").'</span></td><td>';
	print ($_POST["ref"]?$_POST["ref"]:$defaultref);
	print '<input type="hidden" name="taskref" value="'.($_POST["ref"]?$_POST["ref"]:$defaultref).'">';
	print '</td></tr>';

	print '<tr><td class="fieldrequired">'.$langs->trans("Label").'</td><td>';
	print '<input type="text" size="25" name="label" class="flat" value="'.$label.'">';
	print '</td></tr>';

	// List of projects
	print '<tr><td class="fieldrequired">'.$langs->trans("ChildOfTask").'</td><td>';
	print $formother->selectProjectTasks(GETPOST('task_parent'),$projectid?$projectid:$object->id, 'task_parent', 0, 0, 1, 1);
	print '</td></tr>';

	print '<tr><td>'.$langs->trans("AffectedTo").'</td><td>';
	$contactsofproject=(! empty($object->id)?$object->getListContactId('internal'):'');
	if (count($contactsofproject))
	{
		print $form->select_dolusers($user->id, 'userid', 0, '', 0, '', $contactsofproject, 0, 0, 0, '', 0, '', 'maxwidth300');
	}
	else
	{
		print $langs->trans("NoUserAssignedToTheProject");
	}
	print '</td></tr>';

	// Date start
	print '<tr><td>'.$langs->trans("DateStart").'</td><td>';
	print $form->select_date(($date_start?$date_start:''),'dateo',1,1,0,'',1,1,1);
	print '</td></tr>';

	// Date end
	print '<tr><td>'.$langs->trans("DateEnd").'</td><td>';
	print $form->select_date(($date_end?$date_end:-1),'datee',1,1,0,'',1,1,1);
	print '</td></tr>';

	// planned workload
	print '<tr><td>'.$langs->trans("PlannedWorkload").'</td><td>';
	print $form->select_duration('planned_workload', $planned_workload?$planned_workload : $object->planned_workload,0,'text');
	print '</td></tr>';

	// Progress
	print '<tr><td>'.$langs->trans("ProgressDeclared").'</td><td colspan="3">';
	print $formother->select_percent($progress,'progress');
	print '</td></tr>';

	// Description
	print '<tr><td valign="top">'.$langs->trans("Description").'</td>';
	print '<td>';
	print '<textarea name="description" wrap="soft" cols="80" rows="'.ROWS_3.'">'.$description.'</textarea>';
	print '</td></tr>';

	// Other options
	$parameters=array();
	$reshook=$hookmanager->executeHooks('formObjectOptions',$parameters,$object,$action); // Note that $action and $object may have been modified by hook
	if (empty($reshook) && ! empty($extrafields_task->attribute_label))
	{
		print $object->showOptionals($extrafields_task,'edit');
	}

	print '</table>';

	dol_fiche_end();

	print '<div align="center">';
	print '<input type="submit" class="button" name="add" value="'.$langs->trans("Add").'">';
	print ' &nbsp; &nbsp; ';
	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
	print '</div>';

	print '</form>';

}
else if ($id > 0 || ! empty($ref))
{
	/*
	 * Fiche projet en mode visu
	 */

	/*
	 * Actions
	 */
	print '<div class="tabsAction">';

	if ($user->rights->projet->all->creer || $user->rights->projet->creer)
	{
		if ($object->public || $userWrite > 0)
		{
			print '<a class="butAction" href="'.$_SERVER['PHP_SELF'].'?id='.$object->id.'&action=create'.$param.'&backtopage='.urlencode($_SERVER['PHP_SELF'].'?id='.$object->id).'">'.$langs->trans('AddTask').'</a>';
		}
		else
		{
			print '<a class="butActionRefused" href="#" title="'.$langs->trans("NotOwnerOfProject").'">'.$langs->trans('AddTask').'</a>';
		}
	}
	else
	{
		print '<a class="butActionRefused" href="#" title="'.$langs->trans("NotEnoughPermissions").'">'.$langs->trans('AddTask').'</a>';
	}

	print '</div>';


	$title=$langs->trans("ListOfTasks");
	$linktotasks='<a href="'.DOL_URL_ROOT.'/projet/tasks/time.php?projectid='.$object->id.'&withproject=1">'.$langs->trans("GoToListOfTimeConsumed").'</a>';
	//print_barre_liste($title, 0, $_SERVER["PHP_SELF"], '', $sortfield, $sortorder, $linktotasks, $num, $totalnboflines, 'title_generic.png', 0, '', '', 0, 1);
	print load_fiche_titre($title,$linktotasks,'title_generic.png');
	
	// Get list of tasks in tasksarray and taskarrayfiltered
	// We need all tasks (even not limited to a user because a task to user can have a parent that is not affected to him).
	$filteronthirdpartyid = $socid;
	$tasksarray=$taskstatic->getTasksArray(0, 0, $object->id, $filteronthirdpartyid, 0);
	// We load also tasks limited to a particular user
	$tasksrole=($mode=='mine' ? $taskstatic->getUserRolesForProjectsOrTasks(0,$user,$object->id,0) : '');
	//var_dump($tasksarray);
	//var_dump($tasksrole);

	if (! empty($conf->use_javascript_ajax))
	{
		include DOL_DOCUMENT_ROOT.'/core/tpl/ajaxrow.tpl.php';
	}

	print '<table id="tablelines" class="noborder" width="100%">';
	print '<tr class="liste_titre nodrag nodrop">';
	// print '<td>'.$langs->trans("Project").'</td>';
	print '<td width="100">'.$langs->trans("RefTask").'</td>';
	print '<td>'.$langs->trans("LabelTask").'</td>';
	print '<td align="center">'.$langs->trans("DateStart").'</td>';
	print '<td align="center">'.$langs->trans("DateEnd").'</td>';
	print '<td align="right">'.$langs->trans("PlannedWorkload").'</td>';
	print '<td align="right">'.$langs->trans("TimeSpent").'</td>';
	print '<td align="right">'.$langs->trans("ProgressCalculated").'</td>';
	print '<td align="right">'.$langs->trans("ProgressDeclared").'</td>';
	print '<td>&nbsp;</td>';
	print "</tr>\n";

	if (count($tasksarray) > 0)
	{
    	// Link to switch in "my task" / "all task"
    	print '<tr class="liste_titre nodrag nodrop"><td colspan="9">';
    	if ($mode == 'mine')
    	{
    	    print '<a href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'">'.$langs->trans("DoNotShowMyTasksOnly").'</a>';
    	}
    	else
    	{
    	    print '<a href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&mode=mine">'.$langs->trans("ShowMyTasksOnly").'</a>';
    	}
    	print '</td></tr>';
	
	    // Show all lines in taskarray (recursive function to go down on tree)
		$j=0; $level=0;
		$nboftaskshown=projectLinesa($j, 0, $tasksarray, $level, true, 0, $tasksrole, $object->id, 1, $object->id);
	}
	else
	{
		print '<tr '.$bc[false].'><td colspan="9" class="opacitymedium">'.$langs->trans("NoTasks").'</td></tr>';
	}
	print "</table>";


	// Test if database is clean. If not we clean it.
	//print 'mode='.$_REQUEST["mode"].' $nboftaskshown='.$nboftaskshown.' count($tasksarray)='.count($tasksarray).' count($tasksrole)='.count($tasksrole).'<br>';
	if (! empty($user->rights->projet->all->lire))	// We make test to clean only if user has permission to see all (test may report false positive otherwise)
	{
		if ($mode=='mine')
		{
			if ($nboftaskshown < count($tasksrole))
			{
				include_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
				cleanCorruptedTree($db, 'projet_task', 'fk_task_parent');
			}
		}
		else
		{
			if ($nboftaskshown < count($tasksarray))
			{
				include_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
				cleanCorruptedTree($db, 'projet_task', 'fk_task_parent');
			}
		}
	}
}

llxFooter();

$db->close();
