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 $sql = "select last_insert_id() as last_insert_id";
157 $res = $mdb2->query($sql);
158 $val = $res->fetchRow();
159 $last_id = $val['last_insert_id'];
161 if (is_array($projects)) {
162 foreach ($projects as $p_id) {
163 // Insert task binds into tt_project_task_binds table.
164 $sql = "insert into tt_project_task_binds (project_id, task_id, group_id, org_id)".
165 " values($p_id, $last_id, $group_id, $org_id)";
166 $affected = $mdb2->exec($sql);
167 if (is_a($affected, 'PEAR_Error'))
170 // Add task bind to the tasks field of the tt_projects table.
171 $sql = "select tasks from tt_projects where id = $p_id";
172 $res = $mdb2->query($sql);
173 if (is_a($res, 'PEAR_Error'))
176 $val = $res->fetchRow();
177 $task_ids = $val['tasks'];
179 $task_ids .= ",$last_id";
180 $task_ids = ttTaskHelper::sort($task_ids);
182 $task_ids = $last_id;
184 $sql = "update tt_projects set tasks = ".$mdb2->quote($task_ids)." where id = $p_id";
185 $affected = $mdb2->exec($sql);
186 if (is_a($affected, 'PEAR_Error'))
193 // update function updates a task in the database.
194 static function update($fields)
197 $mdb2 = getConnection();
199 $group_id = $user->getGroup();
200 $org_id = $user->org_id;
201 $task_id = (int)$fields['task_id'];
202 $name = $fields['name'];
203 $description = $fields['description'];
204 $status = $fields['status'];
205 $projects = $fields['projects'];
207 $sql = "update tt_tasks set name = ".$mdb2->quote($name).", description = ".$mdb2->quote($description).
208 ", status = $status where id = $task_id and group_id = $group_id";
209 $affected = $mdb2->exec($sql);
210 if (is_a($affected, 'PEAR_Error'))
211 die($affected->getMessage());
213 // Insert task binds into tt_project_task_binds table.
214 $sql = "delete from tt_project_task_binds where task_id = $task_id";
215 $affected = $mdb2->exec($sql);
216 if (is_a($affected, 'PEAR_Error'))
217 die($affected->getMessage());
218 if (count($projects) > 0)
219 foreach ($projects as $p_id) {
220 $sql = "insert into tt_project_task_binds (project_id, task_id, group_id, org_id)".
221 " values($p_id, $task_id, $group_id, $org_id)";
222 $affected = $mdb2->exec($sql);
223 if (is_a($affected, 'PEAR_Error'))
224 die($affected->getMessage());
227 // Handle task binds in the tasks field of the tt_projects table.
228 // We need to either delete or insert task id in all affected projects.
230 // Get all not deleted projects for group.
231 $sql = "select id, tasks from tt_projects where group_id = $group_id and status is not NULL";
232 $res = $mdb2->query($sql);
233 if (is_a($res, 'PEAR_Error'))
234 die($res->getMessage());
236 // Iterate through projects.
237 while ($val = $res->fetchRow()) {
238 $project_id = $val['id'];
239 $task_ids = $val['tasks'];
240 $task_arr = explode(',', $task_ids);
242 if (is_array($projects) && in_array($project_id, $projects)) {
243 // Task needs to be available for this project.
244 if (!in_array($task_id, $task_arr)) {
246 $task_ids .= ",$task_id";
247 $task_ids = ttTaskHelper::sort($task_ids);
249 $task_ids = $task_id;
251 $sql = "update tt_projects set tasks = ".$mdb2->quote($task_ids)." where id = $project_id";
252 $affected = $mdb2->exec($sql);
253 if (is_a($affected, 'PEAR_Error'))
254 die($affected->getMessage());
257 // Task needs to be removed from this project.
258 if (in_array($task_id, $task_arr)) {
259 // Remove task from array.
260 unset($task_arr[array_search($task_id, $task_arr)]);
261 $comma_separated = implode(",", $task_arr); // This is a comma-separated list of associated task ids.
263 // Re-bind the project to tasks.
264 $sql = "update tt_projects set tasks = ".$mdb2->quote($comma_separated)." where id = $project_id";
265 $affected = $mdb2->exec($sql);
266 if (is_a($affected, 'PEAR_Error'))
267 die($affected->getMessage());
274 // sort function sorts task ids passed as comma-separated list by their name.
275 static function sort($comma_separated) {
276 // We can't sort an empty string.
277 if (!$comma_separated)
278 return $comma_separated;
280 $mdb2 = getConnection();
282 $sql = "select id, name from tt_tasks where id in ($comma_separated)";
283 $res = $mdb2->query($sql);
284 if (is_a($res, 'PEAR_Error'))
285 die ($res->getMessage());
288 while ($val = $res->fetchRow()) {
289 $task_arr[] = array('id'=>$val['id'],'name'=>$val['name']);
291 $task_arr = mu_sort($task_arr, 'name');
293 for($i = 0; $i < count($task_arr); $i++) {
294 $task_ids[] = $task_arr[$i]['id'];
296 $result = implode(',', $task_ids);