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();
39 $sql = "select id, name, description, status from tt_tasks
40 where id = $id and group_id = $user->group_id and (status = 0 or status = 1)";
41 $res = $mdb2->query($sql);
43 if (!is_a($res, 'PEAR_Error')) {
44 $val = $res->fetchRow();
45 if ($val['id'] != '') {
53 // getAssignedProjects - returns an array of projects associatied with a task.
54 static function getAssignedProjects($task_id)
59 $mdb2 = getConnection();
61 // Do a query with inner join to get assigned projects.
62 $sql = "select p.id, p.name from tt_projects p
63 inner join tt_project_task_binds ptb on (ptb.project_id = p.id and ptb.task_id = $task_id)
64 where p.group_id = $user->group_id and p.status = 1 order by p.name";
65 $res = $mdb2->query($sql);
66 if (!is_a($res, 'PEAR_Error')) {
67 while ($val = $res->fetchRow()) {
74 // The getTaskByName looks up a task by name.
75 static function getTaskByName($task_name) {
77 $mdb2 = getConnection();
80 $sql = "select id from tt_tasks where group_id = $user->group_id and name = ".
81 $mdb2->quote($task_name)." and (status = 1 or status = 0)";
82 $res = $mdb2->query($sql);
84 if (!is_a($res, 'PEAR_Error')) {
85 $val = $res->fetchRow();
92 // delete - deletes things associated with a task and marks the task as deleted.
93 static function delete($task_id) {
96 $mdb2 = getConnection();
98 // Delete project binds to this task from tt_project_task_binds table.
99 $sql = "delete from tt_project_task_binds where task_id = $task_id";
100 $affected = $mdb2->exec($sql);
101 if (is_a($affected, 'PEAR_Error'))
104 // Delete project binds to this task from the tasks field in tt_projects table.
105 // Get projects where tasks is not NULL.
106 $sql = "select id, tasks from tt_projects where group_id = $user->group_id and tasks is not NULL";
107 $res = $mdb2->query($sql);
108 if (is_a($res, 'PEAR_Error'))
110 while ($val = $res->fetchRow()) {
111 $project_id = $val['id'];
112 $tasks = explode(',', $val['tasks']);
114 if (in_array($task_id, $tasks)) {
115 // Remove task from array.
116 unset($tasks[array_search($task_id, $tasks)]);
117 $comma_separated = implode(',', $tasks); // This is a new comma-separated list of associated task ids.
119 // Re-bind the project to tasks.
120 $sql = "update tt_projects set tasks = ".$mdb2->quote($comma_separated)." where id = $project_id";
121 $affected = $mdb2->exec($sql);
122 if (is_a($affected, 'PEAR_Error'))
127 // Mark the task as deleted.
128 $sql = "update tt_tasks set status = NULL where id = $task_id";
129 $affected = $mdb2->exec($sql);
130 return (!is_a($affected, 'PEAR_Error'));
133 // insert function inserts a new task into database.
134 static function insert($fields)
136 $mdb2 = getConnection();
138 $group_id = (int) $fields['group_id'];
139 $org_id = (int) $fields['org_id'];
140 $name = $fields['name'];
141 $description = $fields['description'];
142 $projects = $fields['projects'];
143 $status = $fields['status'];
145 $sql = "insert into tt_tasks (group_id, org_id, name, description, status)
146 values ($group_id, $org_id, ".$mdb2->quote($name).", ".$mdb2->quote($description).", ".$mdb2->quote($status).")";
147 $affected = $mdb2->exec($sql);
149 if (is_a($affected, 'PEAR_Error'))
152 $sql = "select last_insert_id() as last_insert_id";
153 $res = $mdb2->query($sql);
154 $val = $res->fetchRow();
155 $last_id = $val['last_insert_id'];
157 if (is_array($projects)) {
158 foreach ($projects as $p_id) {
159 // Insert task binds into tt_project_task_binds table.
160 $sql = "insert into tt_project_task_binds (project_id, task_id) values($p_id, $last_id)";
161 $affected = $mdb2->exec($sql);
162 if (is_a($affected, 'PEAR_Error'))
165 // Add task bind to the tasks field of the tt_projects table.
166 $sql = "select tasks from tt_projects where id = $p_id";
167 $res = $mdb2->query($sql);
168 if (is_a($res, 'PEAR_Error'))
171 $val = $res->fetchRow();
172 $task_ids = $val['tasks'];
174 $task_ids .= ",$last_id";
175 $task_ids = ttTaskHelper::sort($task_ids);
177 $task_ids = $last_id;
179 $sql = "update tt_projects set tasks = ".$mdb2->quote($task_ids)." where id = $p_id";
180 $affected = $mdb2->exec($sql);
181 if (is_a($affected, 'PEAR_Error'))
188 // update function updates a task in the database.
189 static function update($fields)
193 $mdb2 = getConnection();
195 $task_id = (int)$fields['task_id'];
196 $name = $fields['name'];
197 $description = $fields['description'];
198 $status = $fields['status'];
199 $projects = $fields['projects'];
201 $sql = "update tt_tasks set name = ".$mdb2->quote($name).", description = ".$mdb2->quote($description).
202 ", status = $status where id = $task_id and group_id = $user->group_id";
203 $affected = $mdb2->exec($sql);
204 if (is_a($affected, 'PEAR_Error'))
205 die($affected->getMessage());
207 // Insert task binds into tt_project_task_binds table.
208 $sql = "delete from tt_project_task_binds where task_id = $task_id";
209 $affected = $mdb2->exec($sql);
210 if (is_a($affected, 'PEAR_Error'))
211 die($affected->getMessage());
212 if (count($projects) > 0)
213 foreach ($projects as $p_id) {
214 $sql = "insert into tt_project_task_binds (project_id, task_id) values($p_id, $task_id)";
215 $affected = $mdb2->exec($sql);
216 if (is_a($affected, 'PEAR_Error'))
217 die($affected->getMessage());
220 // Handle task binds in the tasks field of the tt_projects table.
221 // We need to either delete or insert task id in all affected projects.
223 // Get all not deleted projects for group.
224 $sql = "select id, tasks from tt_projects where group_id = $user->group_id and status is not NULL";
225 $res = $mdb2->query($sql);
226 if (is_a($res, 'PEAR_Error'))
227 die($res->getMessage());
229 // Iterate through projects.
230 while ($val = $res->fetchRow()) {
231 $project_id = $val['id'];
232 $task_ids = $val['tasks'];
233 $task_arr = explode(',', $task_ids);
235 if (is_array($projects) && in_array($project_id, $projects)) {
236 // Task needs to be available for this project.
237 if (!in_array($task_id, $task_arr)) {
239 $task_ids .= ",$task_id";
240 $task_ids = ttTaskHelper::sort($task_ids);
242 $task_ids = $task_id;
244 $sql = "update tt_projects set tasks = ".$mdb2->quote($task_ids)." where id = $project_id";
245 $affected = $mdb2->exec($sql);
246 if (is_a($affected, 'PEAR_Error'))
247 die($affected->getMessage());
250 // Task needs to be removed from this project.
251 if (in_array($task_id, $task_arr)) {
252 // Remove task from array.
253 unset($task_arr[array_search($task_id, $task_arr)]);
254 $comma_separated = implode(",", $task_arr); // This is a comma-separated list of associated task ids.
256 // Re-bind the project to tasks.
257 $sql = "update tt_projects set tasks = ".$mdb2->quote($comma_separated)." where id = $project_id";
258 $affected = $mdb2->exec($sql);
259 if (is_a($affected, 'PEAR_Error'))
260 die($affected->getMessage());
267 // sort function sorts task ids passed as comma-separated list by their name.
268 static function sort($comma_separated) {
269 // We can't sort an empty string.
270 if (!$comma_separated)
271 return $comma_separated;
273 $mdb2 = getConnection();
275 $sql = "select id, name from tt_tasks where id in ($comma_separated)";
276 $res = $mdb2->query($sql);
277 if (is_a($res, 'PEAR_Error'))
278 die ($res->getMessage());
281 while ($val = $res->fetchRow()) {
282 $task_arr[] = array('id'=>$val['id'],'name'=>$val['name']);
284 $task_arr = mu_sort($task_arr, 'name');
286 for($i = 0; $i < count($task_arr); $i++) {
287 $task_ids[] = $task_arr[$i]['id'];
289 $result = implode(',', $task_ids);