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tasks/includes/t-tasks/controllers.inc.php
Emmanuel BENOîT d6f170db68 Adding multiple dependencies 
Added a selector that allows multiple dependencies to be added without
going back to the task's page.
2016-01-17 00:40:01 +01:00

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<?php
class Ctrl_AddTask
extends Controller
implements FormAware
{
private $form;
public function setForm( Form $form )
{
$this->form = $form;
}
public function handle( Page $page )
{
$nested = $this->form->field( 'nested' )->value( );
if ( 0 === (int) $nested ) {
return $this->addTopLevelTask( );
}
return $this->addNestedTask( );
}
private function addTopLevelTask( )
{
$item = $this->form->field( 'item' );
$name = $this->form->field( 'title' );
$priority = $this->form->field( 'priority' );
$description = $this->form->field( 'description' );
$error = Loader::DAO( 'tasks' )->addTask( (int) $item->value( ) , $name->value( ) ,
(int) $priority->value( ) , $description->value( ) );
switch ( $error ) {
case 0:
return true;
case 1:
$name->putError( 'Duplicate task name for this item.' );
break;
case 2:
$item->putError( 'This item has been deleted' );
break;
default:
$name->putError( "An unknown error occurred ($error)" );
break;
}
return null;
}
private function addNestedTask( )
{
$parent = $this->form->field( 'parent' );
$name = $this->form->field( 'title' );
$priority = $this->form->field( 'priority' );
$description = $this->form->field( 'description' );
$error = Loader::DAO( 'tasks' )->addNestedTask( (int) $parent->value( ) ,
$name->value( ) , (int) $priority->value( ) , $description->value( ) );
switch ( $error ) {
case 0:
return true;
case 1:
$name->putError( 'Duplicate sub-task name.' );
break;
default:
$name->putError( "An unknown error occurred ($error)" );
break;
}
return null;
}
}
class Ctrl_TaskDetails
extends Controller
{
private $task;
public function __construct( $task )
{
$this->task = $task;
}
public function handle( Page $page )
{
if ( $this->task->completed_at !== null ) {
$bTitle = "Completed task";
} else {
$bTitle = "Active task";
}
$items = Loader::DAO( 'items' );
$tasks = Loader::DAO( 'tasks' );
$items->getLineage( $this->task->item = $items->get( $this->task->item ) );
if ( $this->task->parent_task !== null ) {
$this->task->parent_task = $tasks->get( $this->task->parent_task );
}
$box = Loader::View( 'box' , $bTitle , Loader::View( 'task_details' , $this->task ) );
if ( $this->task->completed_by === null ) {
$box->addButton( BoxButton::create( 'Edit task' , 'tasks/edit?id=' . $this->task->id )
->setClass( 'icon edit' ) );
if ( $tasks->canFinish( $this->task ) ) {
$box->addButton( BoxButton::create( 'Mark as completed' , 'tasks/finish?id=' . $this->task->id )
->setClass( 'icon stop' ) );
}
if ( $this->task->assigned_id !== $_SESSION[ 'uid' ] ) {
$box->addButton( BoxButton::create( 'Claim task' , 'tasks/claim?id=' . $this->task->id )
->setClass( 'icon claim' ) );
}
if ( $this->task->can_move_up == 't' ) {
$box->addButton( BoxButton::create( 'Move task to grandparent' ,
'tasks/move/up?id=' . $this->task->id )->setClass( 'icon move-up' ) );
}
if ( ! empty( $this->task->moveDownTargets ) ) {
$box->addButton( BoxButton::create( 'Move task to sibling' ,
'tasks/move/down?id=' . $this->task->id )->setClass( 'icon move-down' ) );
}
} else {
if ( $tasks->canRestart( $this->task ) ) {
$box->addButton( BoxButton::create( 'Re-activate' , 'tasks/restart?id=' . $this->task->id )
->setClass( 'icon start' ) );
}
$timestamp = strtotime( $this->task->completed_at );
}
if ( $tasks->canDelete( $this->task ) ) {
$box->addButton( BoxButton::create( 'Delete' , 'tasks/delete?id=' . $this->task->id )
->setClass( 'icon delete' ) );
}
return $box;
}
}
class Ctrl_TaskListSubtasks
extends Controller
{
private $task;
public function __construct( $task )
{
$this->task = $task;
}
public function handle( Page $page )
{
$box = Loader::View( 'box' , 'Sub-tasks' ,
Loader::View( 'tasks_list' , $this->task->subtasks , array( 'deps' , 'assigned' , 'completed' ) ) );
if ( $this->task->completed_by === null ) {
if ( !empty( $this->task->subtasks ) ) {
$box->addButton( BoxButton::create( 'Move sub-tasks' , 'tasks/move?type=s&id=' . $this->task->id )
->setClass( 'icon move' ) );
}
$box->addButton( BoxButton::create( 'Add sub-task' , 'tasks/add?parent=' . $this->task->id )
->setClass( 'list-add' ) );
}
return $box;
}
}
class Ctrl_TaskDependencies
extends Controller
{
private $task;
public function __construct( $task )
{
$this->task = $task;
}
public function handle( Page $page )
{
$views = array( );
if ( ! empty( $this->task->dependencies )
|| ( $this->task->completed_by === null && ! empty( $this->task->possibleDependencies ) ) ) {
$views[] = ( $depBox = Loader::View( 'box' , 'Dependencies' ,
Loader::View( 'task_dependencies' , $this->task , false ) ) );
if ( ! empty( $this->task->possibleDependencies ) ) {
$depBox->addButton( BoxButton::create( 'Add dependency' , 'tasks/deps/add?to=' . $this->task->id )
->setClass( 'list-add' ) );
}
}
if ( ! empty( $this->task->reverseDependencies ) ) {
array_push( $views , Loader::View( 'box' , 'Reverse dependencies' ,
Loader::View( 'task_dependencies' , $this->task , true ) ) );
}
return $views;
}
}
class Ctrl_TaskNotes
extends Controller
{
private $task;
public function __construct( $task )
{
$this->task = $task;
}
public function handle( Page $page )
{
$result = array( );
foreach ( $this->task->notes as $note ) {
$box = Loader::View( 'box' , null , Loader::View( 'task_note' , $note ) );
if ( $this->task->completed_at === null && $note->uid == $_SESSION[ 'uid' ] ) {
$box->addButton( BoxButton::create( 'Edit comment' , 'tasks/notes/edit?id=' . $note->id )
->setClass( 'icon edit' ) )
->addButton( BoxButton::create( 'Delete comment' , 'tasks/notes/delete?id=' . $note->id )
->setClass( 'icon delete' ) );
}
array_push( $result , $box );
}
return $result;
}
}
class Ctrl_DeleteTask
extends Controller
implements FormAware
{
private $form;
public function setForm( Form $form )
{
$this->form = $form;
}
public function handle( Page $page )
{
Loader::DAO( 'tasks' )->delete( (int) $this->form->field( 'id' )->value( ) );
return true;
}
}
class Ctrl_ToggleTask
extends Controller
{
private $restart;
public function __construct( $restart )
{
$this->isRestart = $restart;
}
public function handle( Page $page )
{
// Check selected task
try {
$id = (int) $this->getParameter( 'id' , 'GET' );
} catch ( ParameterException $e ) {
return 'tasks';
}
$tasks = Loader::DAO( 'tasks' );
$task = $tasks->get( $id );
if ( $task === null ) {
return 'tasks';
}
if ( $this->isRestart && $tasks->canRestart( $task ) ) {
$tasks->restart( $id , '[AUTO] Task re-activated.' );
} else if ( ! $this->isRestart && $tasks->canFinish( $task ) ) {
$tasks->finish( $id , '[AUTO] Task completed.' );
}
return 'tasks/view?id=' . $id;
}
}
class Ctrl_EditTask
extends Controller
implements FormAware
{
private $form;
public function setForm( Form $form )
{
$this->form = $form;
}
public function handle( Page $page )
{
$id = $this->form->field( 'id' );
$nested = $this->form->field( 'nested' )->value( );
if ( 0 == (int) $nested ) {
$item = $this->form->field( 'item' );
} else {
$item = null;
}
$name = $this->form->field( 'title' );
$priority = $this->form->field( 'priority' );
$description = $this->form->field( 'description' );
$assignee = $this->form->field( 'assigned-to' );
if ( $item != null ) {
return $this->handleTopLevelTask( $id , $item , $name , $priority , $description , $assignee );
}
return $this->handleNestedTask( $id , $name , $priority , $description , $assignee );
}
private function handleNestedTask( $id , $name , $priority , $description , $assignee )
{
$error = Loader::DAO( 'tasks' )->updateNestedTask( (int) $id->value( ) , $name->value( ) ,
(int) $priority->value( ) , $description->value( ) ,
(int) $assignee->value( ) );
switch ( $error ) {
case 0:
return true;
case 1:
$name->putError( 'Another sub-task already uses this title.' );
break;
case 2:
$assignee->putError( 'This user has been deleted.' );
break;
default:
$name->putError( "An unknown error occurred ($error)" );
break;
}
return null;
}
private function handleTopLevelTask( $id , $item , $name , $priority , $description , $assignee )
{
$error = Loader::DAO( 'tasks' )->updateTask( (int) $id->value( ) ,
(int) $item->value( ) , $name->value( ) ,
(int) $priority->value( ) , $description->value( ) ,
(int) $assignee->value( ) );
switch ( $error ) {
case 0:
return true;
case 1:
$name->putError( 'A task already uses this title for this item.' );
break;
case 2:
$item->putError( 'This item has been deleted.' );
break;
case 3:
$assignee->putError( 'This user has been deleted.' );
break;
default:
$name->putError( "An unknown error occurred ($error)" );
break;
}
return null;
}
}
class Ctrl_AddTaskNoteForm
extends Controller
{
private $task;
public function __construct( $task )
{
$this->task = $task;
}
public function handle( Page $page )
{
return Loader::Create( 'Form' , 'Add' , 'add-note' , 'Add a comment' )
->setSuccessURL( 'tasks/view?id=' . $this->task->id )
->setAction( '?id=' . $this->task->id . '#add-note-form' )
->addField( Loader::Create( 'Field' , 'text' , 'textarea' )
->setDescription( 'Comment:' )
->setValidator( Loader::Create( 'Validator_StringLength' , 'This comment' , 5 ) ) )
->addController( Loader::Ctrl( 'add_task_note' , $this->task ) )
->controller( );
}
}
class Ctrl_AddTaskNote
extends Controller
implements FormAware
{
private $task;
private $form;
public function __construct( $task )
{
$this->task = $task;
}
public function setForm( Form $form )
{
$this->form = $form;
}
public function handle( Page $page )
{
Loader::DAO( 'tasks' )->addNote( $this->task->id , $this->form->field( 'text' )->value( ) );
return true;
}
}
class Ctrl_DeleteNote
extends Controller
implements FormAware
{
private $form;
public function setForm( Form $form )
{
$this->form = $form;
}
public function handle( Page $page )
{
Loader::DAO( 'tasks' )->deleteNote( (int) $this->form->field( 'id' )->value( ) );
return true;
}
}
class Ctrl_EditNote
extends Controller
implements FormAware
{
private $form;
public function setForm( Form $form )
{
$this->form = $form;
}
public function handle( Page $page )
{
$id = (int) $this->form->field( 'id' )->value( );
$text = $this->form->field( 'text' )->value( );
Loader::DAO( 'tasks' )->updateNote( $id , $text );
return true;
}
}
class Ctrl_DependencyAdd
extends Controller
implements FormAware
{
private $form;
private $more;
public function __construct( $more = false )
{
$this->more = $more;
}
public function setForm( Form $form )
{
$this->form = $form;
}
public function handle( Page $page )
{
if ( $this->more ) {
return null;
}
$id = (int) $this->form->field( 'to' )->value( );
$dependency = $this->form->field( 'dependency' );
$error = Loader::DAO( 'tasks' )->addDependency( $id , $dependency->value( ) );
switch ( $error ) {
case 0:
return $this->checkForMore( );
case 1:
$dependency->putError( 'The task you selected has been deleted.' );
break;
case 2:
$dependency->putError( 'This dependency is no longer possible.' );
break;
case 3:
$dependency->putError( 'These tasks are no longer at the same level.' );
break;
default:
$dependency->putError( "An unknown error occurred ($error)" );
break;
}
return null;
}
private function checkForMore( )
{
$field = $this->form->field( 'moar' );
if ( $field === null || !$field->value( ) ) {
return true;
}
return Loader::Ctrl( 'dependency_add_form' , true );
}
}
class Ctrl_DependencyAddFiltering
extends Controller
implements FormAware
{
private static $fields = array( 'text' , 'state' , 'items' , 'item-children' , 'keep' );
private $filtering;
private $selector;
private $task;
private $dependencies;
public function __construct( Form $selector , $task )
{
$this->selector = $selector;
$this->task = $task;
}
public function setForm( Form $form )
{
$this->filtering = $form;
}
public function handle( Page $page )
{
$this->filterTaskDependencies( );
$this->addDependencySelector( );
$this->copyFiltersToSelector( );
if ( $this->getField( 'keep' ) ) {
$this->saveToSession( );
} elseif ( array_key_exists( 'add-dep-filters' , $_SESSION ) ) {
unset( $_SESSION[ 'add-dep-filters' ] );
}
return null;
}
private function filterTaskDependencies( )
{
$this->dependencies = array( );
$text = trim( $this->getField( 'text' ) );
if ( $text == '' ) {
$text = array( );
} else {
$text = array_unique( preg_split( '/\s+/' , $text ) );
}
$state = $this->getField( 'state' );
$sActive = ( $state == '' || strstr( $state , 'a' ) !== false );
$sBlocked = ( $state == '' || strstr( $state , 'b' ) !== false );
$sCompleted = ( $state == '' || strstr( $state , 'c' ) !== false );
foreach ( $this->task->possibleDependencies as $dep ) {
// Check for text
$ok = true;
foreach ( $text as $tCheck ) {
$ok = stristr( $dep->title , $tCheck );
if ( !$ok ) {
break;
}
}
if ( !$ok ) {
continue;
}
// Check state
$isBlocked = ( $dep->blocked === 't' );
$isCompleted = ( $dep->completed === 't' );
if ( $isBlocked && !$sBlocked || $isCompleted && !$sCompleted
|| !( $isBlocked || $isCompleted ) && !$sActive ) {
continue;
}
$this->dependencies[] = $dep;
}
}
private function addDependencySelector( )
{
$this->selector->addField( $select = Loader::Create( 'Field' , 'dependency' , 'select' )
->setDescription( 'Dependency to add:' )
->addOption( '' , '(please select a task)' ) );
if ( $this->task->parent_task === null ) {
$depsByItem = $this->getDependenciesByItem( );
$items = $this->getItemsToDisplay( $depsByItem );
foreach ( $items as $item ) {
$prefix = '-' . str_repeat( '--' , $item->depth );
$name = $prefix . ' ' . $item->name;
$select->addOption( 'I' . $item->id , $name , true );
if ( ! array_key_exists( $item->id , $depsByItem ) ) {
continue;
}
foreach ( $depsByItem[ $item->id ] as $task ) {
$select->addOption( $task->id , $prefix . '-> ' . $task->title );
}
}
} else {
foreach ( $this->dependencies as $task ) {
$select->addOption( $task->id , $task->title );
}
}
if ( count( $this->task->possibleDependencies ) > 1 ) {
$this->selector->addField( Loader::Create( 'Field' , 'moar' , 'select' )
->setDescription( 'Add more dependencies:' )
->setMandatory( false )
->addOption( '0' , 'No' )
->addOption( '1' , 'Yes' ) );
}
}
private function getItemsToDisplay( $depsByItem )
{
$dao = Loader::DAO( 'items' );
$found = array( );
foreach ( array_keys( $depsByItem ) as $id ) {
if ( array_key_exists( $id , $found ) ) {
continue;
}
$item = $dao->get( $id );
foreach ( $dao->getLineage( $item ) as $parent ) {
$found[ $parent ] = 1;
}
$found[ $id ] = 1;
}
$fByItem = $this->getField( 'items' );
$fByItem = ( $fByItem == '' ) ? null : ( (int) $fByItem );
$fChildren = ( $this->getField( 'item-children' ) === '1' );
$fOKChildren = false;
$fDepth = -1;
$result = array( );
foreach ( $dao->getTreeList( ) as $item ) {
if ( $fByItem !== null && $fChildren ){
if ( $item->id == $fByItem ) {
$fOKChildren = true;
$fDepth = $item->depth;
} else if ( $fOKChildren && $item->depth <= $fDepth ) {
$fOKChildren = false;
}
}
if ( $fByItem !== null && $item->id != $fByItem && !$fOKChildren ) {
continue;
}
if ( array_key_exists( $item->id , $found ) ) {
array_push( $result , $item );
}
}
return $result;
}
private function getDependenciesByItem( )
{
$dbi = array( );
foreach ( $this->dependencies as $pDep ) {
$dbi[ $pDep->item ][] = $pDep;
}
return $dbi;
}
private function copyFiltersToSelector( )
{
foreach ( Ctrl_DependencyAddFiltering::$fields as $f ) {
$v = $this->getField( $f );
$this->selector->addField(
Loader::Create( 'Field' , 'filters-' . $f , 'hidden' )
->setMandatory( false )
->setDefaultValue( $v ) );
}
}
private function saveToSession( )
{
if ( array_key_exists( 'add-dep-filters' , $_SESSION ) ) {
$values = $_SESSION[ 'add-dep-filters' ];
} else {
$values = array( );
}
foreach ( Ctrl_DependencyAddFiltering::$fields as $f ) {
$fld = $this->filtering->field( $f );
if ( $fld !== null ) {
$values[ $f ] = $fld->value( );
}
}
$_SESSION[ 'add-dep-filters' ] = $values;
}
public function getFiltersFromSelector( )
{
foreach ( Ctrl_DependencyAddFiltering::$fields as $f ) {
$field = $this->filtering->field( $f );
if ( $field !== null ) {
$fv = $this->getParameter( 'filters-' . $f , 'POST' );
$field->setFormValue( $fv );
}
}
}
public function getFiltersFromSession( )
{
if ( !array_key_exists( 'add-dep-filters' , $_SESSION ) ) {
return;
}
$values = $_SESSION[ 'add-dep-filters' ];
foreach ( Ctrl_DependencyAddFiltering::$fields as $f ) {
if ( array_key_exists( $f , $values ) ) {
$field = $this->filtering->field( $f );
if ( $field != null ) {
$field->setFormValue( $values[ $f ] );
}
}
}
}
private function getField( $name )
{
$fld = $this->filtering->field( $name );
return $fld ? $fld->value( ) : '';
}
}
class Ctrl_DependencyDelete
extends Controller
implements FormAware
{
private $form;
public function setForm( Form $form )
{
$this->form = $form;
}
public function handle( Page $page )
{
Loader::DAO( 'tasks' )->deleteDependency(
(int) $this->form->field( 'from' )->value( ) ,
(int) $this->form->field( 'to' )->value( ) );
return true;
}
}
class Ctrl_TaskClaim
extends Controller
{
public function handle( Page $page )
{
try {
$id = (int) $this->getParameter( 'id' );
} catch ( ParameterException $e ) {
return 'tasks';
}
$dao = Loader::DAO( 'tasks' );
$dao->assignTaskTo( $id , $_SESSION[ 'uid' ] );
return 'tasks/view?id=' . $id;
}
}
class Ctrl_TaskMove
extends Controller
implements FormAware
{
private $form;
public function setForm( Form $form )
{
$this->form = $form;
}
public function handle( Page $page )
{
$type = $this->form->field( 'type' );
$id = $this->form->field( 'id' );
$target = $this->form->field( 'target' );
$tasks = $this->form->field( 'tasks[]' );
try {
$force = ( (int) $this->getParameter( 'force' , 'POST' ) == 1 );
} catch ( ParameterException $e ) {
$force = false;
}
$tFull = $target->value( );
if ( strlen( $tFull ) < 2 ) {
$target->putError( 'Invalid target.' );
return null;
}
$toTask = ( substr( $tFull , 0 , 1 ) == 'T' );
$toId = (int) substr( $tFull , 1 );
$error = Loader::DAO( 'tasks' )->moveTasks(
$type->value( ) === 's' , (int) $id->value( ) ,
$toTask , $toId , $tasks->value( ) ,
$force );
switch ( $error ) {
case 0:
return true;
case 1:
$tasks->putError( 'Selected tasks deleted.' );
break;
case 2:
$tasks->putError( 'Selected tasks moved.' );
break;
case 3:
$target->putError( 'Target has been deleted.' );
break;
case 4:
$target->putError( 'This is a child of a selected task.' );
break;
case 5:
$tasks->putError( 'Dependencies would be broken' );
$this->form->addField( Loader::Create( 'Field' , 'force' , 'select' )
->setMandatory( false )
->setDescription( 'Break dependencies:' )
->addOption( '0' , 'No' )
->addOption( '1' , 'Yes' ) );
break;
default:
$target->putError( "An unknown error occurred ($error)" );
break;
}
return null;
}
private function addTopLevelTask( )
{
$item = $this->form->field( 'item' );
$name = $this->form->field( 'title' );
$priority = $this->form->field( 'priority' );
$description = $this->form->field( 'description' );
$error = Loader::DAO( 'tasks' )->addTask( (int) $item->value( ) , $name->value( ) ,
(int) $priority->value( ) , $description->value( ) );
switch ( $error ) {
case 0:
return true;
case 1:
$name->putError( 'Duplicate task name for this item.' );
break;
case 2:
$item->putError( 'This item has been deleted' );
break;
default:
$name->putError( "An unknown error occurred ($error)" );
break;
}
return null;
}
private function addNestedTask( )
{
$parent = $this->form->field( 'parent' );
$name = $this->form->field( 'title' );
$priority = $this->form->field( 'priority' );
$description = $this->form->field( 'description' );
$error = Loader::DAO( 'tasks' )->addNestedTask( (int) $parent->value( ) ,
$name->value( ) , (int) $priority->value( ) , $description->value( ) );
switch ( $error ) {
case 0:
return true;
case 1:
$name->putError( 'Duplicate sub-task name.' );
break;
default:
$name->putError( "An unknown error occurred ($error)" );
break;
}
return null;
}
}
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