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)
141 $mdb2 = getConnection();
143 $group_id = $user->getGroup();
144 $org_id = $user->org_id;
145 $name = $fields['name'];
146 $description = $fields['description'];
147 $projects = $fields['projects'];
148 $status = $fields['status'];
150 $sql = "insert into tt_tasks (group_id, org_id, name, description, status)
151 values ($group_id, $org_id, ".$mdb2->quote($name).", ".$mdb2->quote($description).", ".$mdb2->quote($status).")";
152 $affected = $mdb2->exec($sql);
154 if (is_a($affected, 'PEAR_Error'))
157 $last_id = $mdb2->lastInsertID('tt_tasks', 'id');
159 if (is_array($projects)) {
160 foreach ($projects as $p_id) {
161 // Insert task binds into tt_project_task_binds table.
162 $sql = "insert into tt_project_task_binds (project_id, task_id, group_id, org_id)".
163 " values($p_id, $last_id, $group_id, $org_id)";
164 $affected = $mdb2->exec($sql);
165 if (is_a($affected, 'PEAR_Error'))
168 // Add task bind to the tasks field of the tt_projects table.
169 $sql = "select tasks from tt_projects where id = $p_id";
170 $res = $mdb2->query($sql);
171 if (is_a($res, 'PEAR_Error'))
174 $val = $res->fetchRow();
175 $task_ids = $val['tasks'];
177 $task_ids .= ",$last_id";
178 $task_ids = ttTaskHelper::sort($task_ids);
180 $task_ids = $last_id;
182 $sql = "update tt_projects set tasks = ".$mdb2->quote($task_ids)." where id = $p_id";
183 $affected = $mdb2->exec($sql);
184 if (is_a($affected, 'PEAR_Error'))
191 // update function updates a task in the database.
192 static function update($fields)
195 $mdb2 = getConnection();
197 $group_id = $user->getGroup();
198 $org_id = $user->org_id;
199 $task_id = (int)$fields['task_id'];
200 $name = $fields['name'];
201 $description = $fields['description'];
202 $status = $fields['status'];
203 $projects = $fields['projects'];
205 $sql = "update tt_tasks set name = ".$mdb2->quote($name).", description = ".$mdb2->quote($description).
206 ", status = $status where id = $task_id and group_id = $group_id";
207 $affected = $mdb2->exec($sql);
208 if (is_a($affected, 'PEAR_Error'))
209 die($affected->getMessage());
211 // Insert task binds into tt_project_task_binds table.
212 $sql = "delete from tt_project_task_binds where task_id = $task_id";
213 $affected = $mdb2->exec($sql);
214 if (is_a($affected, 'PEAR_Error'))
215 die($affected->getMessage());
216 if (count($projects) > 0)
217 foreach ($projects as $p_id) {
218 $sql = "insert into tt_project_task_binds (project_id, task_id, group_id, org_id)".
219 " values($p_id, $task_id, $group_id, $org_id)";
220 $affected = $mdb2->exec($sql);
221 if (is_a($affected, 'PEAR_Error'))
222 die($affected->getMessage());
225 // Handle task binds in the tasks field of the tt_projects table.
226 // We need to either delete or insert task id in all affected projects.
228 // Get all not deleted projects for group.
229 $sql = "select id, tasks from tt_projects where group_id = $group_id and status is not NULL";
230 $res = $mdb2->query($sql);
231 if (is_a($res, 'PEAR_Error'))
232 die($res->getMessage());
234 // Iterate through projects.
235 while ($val = $res->fetchRow()) {
236 $project_id = $val['id'];
237 $task_ids = $val['tasks'];
238 $task_arr = explode(',', $task_ids);
240 if (is_array($projects) && in_array($project_id, $projects)) {
241 // Task needs to be available for this project.
242 if (!in_array($task_id, $task_arr)) {
244 $task_ids .= ",$task_id";
245 $task_ids = ttTaskHelper::sort($task_ids);
247 $task_ids = $task_id;
249 $sql = "update tt_projects set tasks = ".$mdb2->quote($task_ids)." where id = $project_id";
250 $affected = $mdb2->exec($sql);
251 if (is_a($affected, 'PEAR_Error'))
252 die($affected->getMessage());
255 // Task needs to be removed from this project.
256 if (in_array($task_id, $task_arr)) {
257 // Remove task from array.
258 unset($task_arr[array_search($task_id, $task_arr)]);
259 $comma_separated = implode(",", $task_arr); // This is a comma-separated list of associated task ids.
261 // Re-bind the project to tasks.
262 $sql = "update tt_projects set tasks = ".$mdb2->quote($comma_separated)." where id = $project_id";
263 $affected = $mdb2->exec($sql);
264 if (is_a($affected, 'PEAR_Error'))
265 die($affected->getMessage());
272 // sort function sorts task ids passed as comma-separated list by their name.
273 static function sort($comma_separated) {
274 // We can't sort an empty string.
275 if (!$comma_separated)
276 return $comma_separated;
278 $mdb2 = getConnection();
280 $sql = "select id, name from tt_tasks where id in ($comma_separated)";
281 $res = $mdb2->query($sql);
282 if (is_a($res, 'PEAR_Error'))
283 die ($res->getMessage());
286 while ($val = $res->fetchRow()) {
287 $task_arr[] = array('id'=>$val['id'],'name'=>$val['name']);
289 $task_arr = mu_sort($task_arr, 'name');
291 for($i = 0; $i < count($task_arr); $i++) {
292 $task_ids[] = $task_arr[$i]['id'];
294 $result = implode(',', $task_ids);