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Fixed sub-task handling

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The previous implementation of sub-tasks did not work as expected: it
was possible to mark sub-tasks as completed before the parent task's
dependencies were satisfied. In addition, it was impossible to retrieve
a task's path from the database without running a recursive query.

Full paths to sub-tasks added to views, since it is now possible to
obtain them.
This commit is contained in:
Emmanuel BENOîT 2012-02-15 10:04:11 +01:00
parent 91ae4f81fd
commit 2051303262
13 changed files with 1023 additions and 224 deletions
includes/t-data
dao_tasks.inc.php

63
includes/t-data/dao_tasks.inc.php
View file

@ -27,15 +27,14 @@ class DAO_Tasks
. 'priority '
. 'ELSE '
. '-1 '
. 'END ) DESC , total_missing_dependencies ASC NULLS FIRST , added_at DESC' )->execute( );
. 'END ) DESC , badness , added_at DESC' )->execute( );
}
public function getAllActiveTasks( )
{
return $this->query(
'SELECT * FROM tasks_list '
. 'WHERE completed_at IS NULL AND missing_dependencies IS NULL '
. 'AND missing_subtasks IS NULL '
. 'WHERE completed_at IS NULL AND badness = 0 '
. 'ORDER BY priority DESC , added_at DESC' )->execute( );
}
@ -43,9 +42,8 @@ class DAO_Tasks
{
return $this->query(
'SELECT * FROM tasks_list '
. 'WHERE completed_at IS NULL '
. 'AND ( missing_dependencies IS NOT NULL OR missing_subtasks IS NOT NULL ) '
. 'ORDER BY priority DESC , total_missing_dependencies ASC , added_at DESC' )->execute( );
. 'WHERE badness <> 0 '
. 'ORDER BY priority DESC , badness , added_at DESC' )->execute( );
}
@ -53,13 +51,13 @@ class DAO_Tasks
{
return $this->query(
'SELECT * FROM tasks_list '
. 'WHERE item = $1 '
. 'WHERE item = $1 AND parent_task IS NULL '
. 'ORDER BY ( CASE '
. 'WHEN completed_at IS NULL THEN '
. 'priority '
. 'ELSE '
. '-1 '
. 'END ) DESC , total_missing_dependencies ASC NULLS FIRST , added_at DESC'
. 'END ) DESC , badness , added_at DESC'
)->execute( $item->id );
}
@ -69,7 +67,7 @@ class DAO_Tasks
return $this->query(
'SELECT * FROM tasks_list '
. 'WHERE assigned_to_id = $1 '
. 'ORDER BY priority DESC , missing_dependencies ASC NULLS FIRST , added_at DESC'
. 'ORDER BY priority DESC , badness , added_at DESC'
)->execute( $user->user_id );
}
@ -113,48 +111,67 @@ class DAO_Tasks
. 'priority '
. 'ELSE '
. '-1 '
. 'END ) DESC , missing_dependencies ASC NULLS FIRST , added_at DESC'
. 'END ) DESC , badness , added_at DESC'
)->execute( $id );
$task->moveDownTargets = $this->query(
'SELECT * FROM tasks_move_down_targets '
. 'WHERE task_id = $1 '
. 'ORDER BY target_title' )->execute( $id );
$task->dependencies = $this->query(
'SELECT t.task_id AS id , t.task_title AS title , tc.item_id AS item , '
'SELECT t.task_id AS id , t.task_title AS title , t.item_id AS item , '
. 'i.item_name AS item_name , '
. '( ct.completed_task_time IS NOT NULL ) AS completed , '
. 'tl.total_missing_dependencies AS missing_dependencies '
. 'tl.badness AS missing_dependencies '
. 'FROM task_dependencies td '
. 'INNER JOIN tasks t ON t.task_id = td.task_id_depends '
. 'INNER JOIN task_containers tc USING ( tc_id ) '
. 'INNER JOIN tasks_list tl ON tl.id = t.task_id '
. 'LEFT OUTER JOIN items i USING ( item_id ) '
. 'LEFT OUTER JOIN completed_tasks ct ON ct.task_id = t.task_id '
. 'WHERE td.task_id = $1 '
. 'ORDER BY i.item_name , t.task_priority DESC , t.task_title' )->execute( $id );
$task->reverseDependencies = $this->query(
'SELECT t.task_id AS id , t.task_title AS title , tc.item_id AS item , '
'SELECT t.task_id AS id , t.task_title AS title , t.item_id AS item , '
. 'i.item_name AS item_name , '
. '( ct.completed_task_time IS NOT NULL ) AS completed '
. 'FROM task_dependencies td '
. 'INNER JOIN tasks t USING( task_id ) '
. 'INNER JOIN task_containers tc USING ( tc_id ) '
. 'LEFT OUTER JOIN items i USING ( item_id ) '
. 'LEFT OUTER JOIN completed_tasks ct ON t.task_id = ct.task_id '
. 'WHERE td.task_id_depends = $1 '
. 'ORDER BY i.item_name , t.task_priority DESC , t.task_title' )->execute( $id );
$task->possibleDependencies = $this->query(
'SELECT t.task_id AS id , t.task_title AS title , tc.item_id AS item , '
'SELECT t.task_id AS id , t.task_title AS title , t.item_id AS item , '
. 'i.item_name AS item_name '
. 'FROM tasks_possible_dependencies( $1 ) t '
. 'INNER JOIN task_containers tc USING ( tc_id ) '
. 'LEFT OUTER JOIN items i USING ( item_id ) '
. 'ORDER BY i.item_name , t.task_priority , t.task_title' )->execute( $id );
$task->lineage = null;
return $task;
}
public function getLineage( $task )
{
if ( ! in_array( 'lineage' , get_object_vars( $task ) ) || $task->lineage === null ) {
$result = $this->query(
'SELECT task_id , task_title '
. 'FROM tasks_tree tt '
. 'INNER JOIN tasks '
. 'ON task_id = tt.task_id_parent '
. 'WHERE task_id_child = $1 AND tt_depth > 0 '
. 'ORDER BY tt_depth DESC'
)->execute( $task->id );
$task->lineage = array( );
foreach ( $result as $row ) {
array_push( $task->lineage , array( $row->task_id , $row->task_title ) );
}
}
return $task->lineage;
}
public function canDelete( $task )
{
if ( $task->completed_by !== null ) {
@ -169,17 +186,7 @@ class DAO_Tasks
public function canFinish( $task )
{
assert( $task->completed_at == null );
foreach ( $task->dependencies as $dependency ) {
if ( $dependency->completed != 't' ) {
return false;
}
}
foreach ( $task->subtasks as $subtask ) {
if ( $subtask->completed_at === null ) {
return false;
}
}
return true;
return ( $task->badness == 0 );
}