2 // +----------------------------------------------------------------------+
3 // | Anuko Time Tracker
4 // +----------------------------------------------------------------------+
5 // | Copyright (c) Anuko International Ltd. (https://www.anuko.com)
6 // +----------------------------------------------------------------------+
7 // | LIBERAL FREEWARE LICENSE: This source code document may be used
8 // | by anyone for any purpose, and freely redistributed alone or in
9 // | combination with other software, provided that the license is obeyed.
11 // | There are only two ways to violate the license:
13 // | 1. To redistribute this code in source form, with the copyright
14 // | notice or license removed or altered. (Distributing in compiled
15 // | forms without embedded copyright notices is permitted).
17 // | 2. To redistribute modified versions of this code in *any* form
18 // | that bears insufficient indications that the modifications are
19 // | not the work of the original author(s).
21 // | This license applies to this document only, not any other software
22 // | that it may be combined with.
24 // +----------------------------------------------------------------------+
26 // | https://www.anuko.com/time_tracker/credits.htm
27 // +----------------------------------------------------------------------+
29 // Class ttTaskHelper is used to help with task related operations.
32 // get - gets details of a task identified by its id.
33 static function get($id)
37 $mdb2 = getConnection();
38 $group_id = $user->getGroup();
39 $org_id = $user->org_id;
41 $sql = "select id, name, description, status from tt_tasks
42 where id = $id and group_id = $group_id and org_id = $org_id and (status = 0 or status = 1)";
43 $res = $mdb2->query($sql);
45 if (!is_a($res, 'PEAR_Error')) {
46 $val = $res->fetchRow();
47 if ($val['id'] != '') {
55 // getAssignedProjects - returns an array of projects associatied with a task.
56 static function getAssignedProjects($task_id)
61 $mdb2 = getConnection();
62 $group_id = $user->getGroup();
63 $org_id = $user->org_id;
65 // Do a query with inner join to get assigned projects.
66 $sql = "select p.id, p.name from tt_projects p
67 inner join tt_project_task_binds ptb on (ptb.project_id = p.id and ptb.task_id = $task_id)
68 where p.group_id = $group_id and p.org_id = $org_id and p.status = 1 order by p.name";
69 $res = $mdb2->query($sql);
70 if (!is_a($res, 'PEAR_Error')) {
71 while ($val = $res->fetchRow()) {
78 // The getTaskByName looks up a task by name.
79 static function getTaskByName($task_name) {
81 $mdb2 = getConnection();
84 $sql = "select id from tt_tasks where group_id = $user->group_id and name = ".
85 $mdb2->quote($task_name)." and (status = 1 or status = 0)";
86 $res = $mdb2->query($sql);
88 if (!is_a($res, 'PEAR_Error')) {
89 $val = $res->fetchRow();
96 // delete - deletes things associated with a task and marks the task as deleted.
97 static function delete($task_id) {
100 $mdb2 = getConnection();
102 // Delete project binds to this task from tt_project_task_binds table.
103 $sql = "delete from tt_project_task_binds where task_id = $task_id";
104 $affected = $mdb2->exec($sql);
105 if (is_a($affected, 'PEAR_Error'))
108 // Delete project binds to this task from the tasks field in tt_projects table.
109 // Get projects where tasks is not NULL.
110 $sql = "select id, tasks from tt_projects where group_id = $user->group_id and tasks is not NULL";
111 $res = $mdb2->query($sql);
112 if (is_a($res, 'PEAR_Error'))
114 while ($val = $res->fetchRow()) {
115 $project_id = $val['id'];
116 $tasks = explode(',', $val['tasks']);
118 if (in_array($task_id, $tasks)) {
119 // Remove task from array.
120 unset($tasks[array_search($task_id, $tasks)]);
121 $comma_separated = implode(',', $tasks); // This is a new comma-separated list of associated task ids.
123 // Re-bind the project to tasks.
124 $sql = "update tt_projects set tasks = ".$mdb2->quote($comma_separated)." where id = $project_id";
125 $affected = $mdb2->exec($sql);
126 if (is_a($affected, 'PEAR_Error'))
131 // Mark the task as deleted.
132 $sql = "update tt_tasks set status = NULL where id = $task_id";
133 $affected = $mdb2->exec($sql);
134 return (!is_a($affected, 'PEAR_Error'));
137 // insert function inserts a new task into database.
138 static function insert($fields)
140 $mdb2 = getConnection();
142 $group_id = (int) $fields['group_id'];
143 $org_id = (int) $fields['org_id'];
144 $name = $fields['name'];
145 $description = $fields['description'];
146 $projects = $fields['projects'];
147 $status = $fields['status'];
149 $sql = "insert into tt_tasks (group_id, org_id, name, description, status)
150 values ($group_id, $org_id, ".$mdb2->quote($name).", ".$mdb2->quote($description).", ".$mdb2->quote($status).")";
151 $affected = $mdb2->exec($sql);
153 if (is_a($affected, 'PEAR_Error'))
156 $last_id = $mdb2->lastInsertID('tt_tasks', 'id');
158 if (is_array($projects)) {
159 foreach ($projects as $p_id) {
160 // Insert task binds into tt_project_task_binds table.
161 $sql = "insert into tt_project_task_binds (project_id, task_id, group_id, org_id)".
162 " values($p_id, $last_id, $group_id, $org_id)";
163 $affected = $mdb2->exec($sql);
164 if (is_a($affected, 'PEAR_Error'))
167 // Add task bind to the tasks field of the tt_projects table.
168 $sql = "select tasks from tt_projects where id = $p_id";
169 $res = $mdb2->query($sql);
170 if (is_a($res, 'PEAR_Error'))
173 $val = $res->fetchRow();
174 $task_ids = $val['tasks'];
176 $task_ids .= ",$last_id";
177 $task_ids = ttTaskHelper::sort($task_ids);
179 $task_ids = $last_id;
181 $sql = "update tt_projects set tasks = ".$mdb2->quote($task_ids)." where id = $p_id";
182 $affected = $mdb2->exec($sql);
183 if (is_a($affected, 'PEAR_Error'))
190 // update function updates a task in the database.
191 static function update($fields)
194 $mdb2 = getConnection();
196 $group_id = $user->getGroup();
197 $org_id = $user->org_id;
198 $task_id = (int)$fields['task_id'];
199 $name = $fields['name'];
200 $description = $fields['description'];
201 $status = $fields['status'];
202 $projects = $fields['projects'];
204 $sql = "update tt_tasks set name = ".$mdb2->quote($name).", description = ".$mdb2->quote($description).
205 ", status = $status where id = $task_id and group_id = $group_id";
206 $affected = $mdb2->exec($sql);
207 if (is_a($affected, 'PEAR_Error'))
208 die($affected->getMessage());
210 // Insert task binds into tt_project_task_binds table.
211 $sql = "delete from tt_project_task_binds where task_id = $task_id";
212 $affected = $mdb2->exec($sql);
213 if (is_a($affected, 'PEAR_Error'))
214 die($affected->getMessage());
215 if (count($projects) > 0)
216 foreach ($projects as $p_id) {
217 $sql = "insert into tt_project_task_binds (project_id, task_id, group_id, org_id)".
218 " values($p_id, $task_id, $group_id, $org_id)";
219 $affected = $mdb2->exec($sql);
220 if (is_a($affected, 'PEAR_Error'))
221 die($affected->getMessage());
224 // Handle task binds in the tasks field of the tt_projects table.
225 // We need to either delete or insert task id in all affected projects.
227 // Get all not deleted projects for group.
228 $sql = "select id, tasks from tt_projects where group_id = $group_id and status is not NULL";
229 $res = $mdb2->query($sql);
230 if (is_a($res, 'PEAR_Error'))
231 die($res->getMessage());
233 // Iterate through projects.
234 while ($val = $res->fetchRow()) {
235 $project_id = $val['id'];
236 $task_ids = $val['tasks'];
237 $task_arr = explode(',', $task_ids);
239 if (is_array($projects) && in_array($project_id, $projects)) {
240 // Task needs to be available for this project.
241 if (!in_array($task_id, $task_arr)) {
243 $task_ids .= ",$task_id";
244 $task_ids = ttTaskHelper::sort($task_ids);
246 $task_ids = $task_id;
248 $sql = "update tt_projects set tasks = ".$mdb2->quote($task_ids)." where id = $project_id";
249 $affected = $mdb2->exec($sql);
250 if (is_a($affected, 'PEAR_Error'))
251 die($affected->getMessage());
254 // Task needs to be removed from this project.
255 if (in_array($task_id, $task_arr)) {
256 // Remove task from array.
257 unset($task_arr[array_search($task_id, $task_arr)]);
258 $comma_separated = implode(",", $task_arr); // This is a comma-separated list of associated task ids.
260 // Re-bind the project to tasks.
261 $sql = "update tt_projects set tasks = ".$mdb2->quote($comma_separated)." where id = $project_id";
262 $affected = $mdb2->exec($sql);
263 if (is_a($affected, 'PEAR_Error'))
264 die($affected->getMessage());
271 // sort function sorts task ids passed as comma-separated list by their name.
272 static function sort($comma_separated) {
273 // We can't sort an empty string.
274 if (!$comma_separated)
275 return $comma_separated;
277 $mdb2 = getConnection();
279 $sql = "select id, name from tt_tasks where id in ($comma_separated)";
280 $res = $mdb2->query($sql);
281 if (is_a($res, 'PEAR_Error'))
282 die ($res->getMessage());
285 while ($val = $res->fetchRow()) {
286 $task_arr[] = array('id'=>$val['id'],'name'=>$val['name']);
288 $task_arr = mu_sort($task_arr, 'name');
290 for($i = 0; $i < count($task_arr); $i++) {
291 $task_ids[] = $task_arr[$i]['id'];
293 $result = implode(',', $task_ids);