1<?php
2
3namespace dokuwiki\plugin\bez\mdl;
4
5use dokuwiki\plugin\bez\meta\ConsistencyViolationException;
6use dokuwiki\plugin\bez\meta\Mailer;
7use dokuwiki\plugin\bez\meta\PermissionDeniedException;
8use dokuwiki\plugin\bez\meta\ValidationException;
9use dokuwiki\plugin\struct\types\DateTime;
10
11class Task extends Entity {
12
13    protected $id;
14
15	protected $original_poster, $assignee, $closed_by;
16
17	protected $private, $lock;
18
19	protected $state, $type;
20
21	protected $create_date, $last_activity_date, $last_modification_date, $close_date;
22
23	protected $cost, $plan_date, $all_day_event, $start_time, $finish_time;
24
25	protected $content, $content_html;
26
27	protected $thread_id, $thread_comment_id, $task_program_id;
28
29	/** @var \dokuwiki\plugin\bez\mdl\Thread */
30	protected $thread;
31
32	/** @var Thread_comment */
33	protected $thread_comment;
34
35	//virtual
36    protected $task_program_name, $priority, $coordinator;
37
38	public static function get_columns() {
39		return array('id',
40            'original_poster', 'assignee', 'closed_by',
41            'private', 'lock',
42            'state', 'type',
43            'create_date', 'last_activity_date', 'last_modification_date', 'close_date',
44            'cost', 'plan_date', 'all_day_event', 'start_time', 'finish_time',
45            'content', 'content_html',
46            'thread_id', 'thread_comment_id', 'task_program_id');
47	}
48
49	public static function get_acl_columns() {
50	    return array_merge(parent::get_acl_columns(), array('participants'));
51    }
52
53	public static function get_types() {
54	    return array('correction', 'corrective', 'preventive', 'program');
55    }
56
57    public static function get_states() {
58        return array('opened', 'done');
59    }
60
61    public function __get($property) {
62        if ($property == 'thread') {
63            if ($this->thread_id == null) {
64                return null;
65            }
66            if ($this->thread == null || $this->thread_id != $this->thread->id) {
67                $this->thread = $this->model->threadFactory->get_one($this->thread_id);
68            }
69            return $this->thread;
70
71        } elseif($property == 'thread_comment') {
72            if ($this->thread_comment_id == null) {
73                return null;
74            }
75            if ($this->thread_comment == null || $this->thread_comment_id != $this->thread_comment->id) {
76                $this->thread_comment = $this->model->thread_commentFactory->get_one($this->thread_comment_id);
77            }
78            return $this->thread_comment;
79
80        } elseif($property == 'priority' || $property == 'coordinator' || $property == 'task_program_name') {
81            return $this->$property;
82        }
83        return parent::__get($property);
84    }
85
86	public function __construct($model, $defaults=array()) {
87		parent::__construct($model, $defaults);
88
89		$this->validator->set_rules(array(
90            'type' => array(array('select', array('corrective', 'preventive')), 'NULL'), // only corrective, preventive can be set this way
91            'assignee' => array(array('dw_user'), 'NOT NULL'),
92            'cost' => array(array('numeric'), 'NULL'),
93			'plan_date' => array(array('iso_date'), 'NOT NULL'),
94			'all_day_event' => array(array('select', array('0', '1')), 'NOT NULL'),
95			'start_time' => array(array('time'), 'NULL'),
96			'finish_time' => array(array('time'), 'NULL'),
97            'content' => array(array('length', 10000), 'NOT NULL'),
98            'thread_comment_id' => array(array('numeric'), 'NULL'),
99            'task_program_id' => array(array('numeric'), 'NULL')
100		));
101
102		//we've created empty object
103		if ($this->id === NULL) {
104            $this->original_poster = $this->model->user_nick;
105            $this->create_date = date('c');
106            $this->last_activity_date = $this->create_date;
107            $this->last_modification_date = $this->create_date;
108
109            $this->state = 'opened';
110
111            if (isset($defaults['thread'])) {
112                $this->thread = $defaults['thread'];
113                $this->thread_id = $this->thread->id;
114                $this->coordinator = $this->thread->coordinator;
115
116                if ($this->thread->private == '1') {
117                    $this->private = '1';
118                }
119
120                $this->type = 'correction';
121
122                if (isset($defaults['thread_comment'])) {
123                    $this->thread_comment = $defaults['thread_comment'];
124                    $this->thread_comment_id = $this->thread_comment->id;
125
126                    if ($this->thread_comment->type == 'cause') {
127                        $this->type = 'corrective';
128                    } else {
129                        $this->type = 'preventive';
130                    }
131                }
132            } else {
133                $this->type = 'program';
134            }
135
136
137            if ($this->thread_id == '') {
138                $this->validator->set_rules(array(
139                                                'task_program_id' => array(array('numeric'), 'NOT NULL'),
140                                            ));
141                //this field is unused in program tasks
142                $this->validator->delete_rule('thread_comment_id');
143            }
144
145            //everyone can report their own program tasks
146            if ($this->type == 'program') {
147                $this->acl->grant('content', BEZ_PERMISSION_CHANGE);
148                $this->acl->grant('plan_date', BEZ_PERMISSION_CHANGE);
149                $this->acl->grant('start_time', BEZ_PERMISSION_CHANGE);
150                $this->acl->grant('finish_time', BEZ_PERMISSION_CHANGE);
151                $this->acl->grant('all_day_event', BEZ_PERMISSION_CHANGE);
152                $this->acl->grant('task_program_id', BEZ_PERMISSION_CHANGE);
153                $this->acl->grant('cost', BEZ_PERMISSION_CHANGE);
154            }
155
156            if ($this->type == 'program' && $this->model->get_level() >= BEZ_AUTH_LEADER) {
157                $this->acl->grant('assignee', BEZ_PERMISSION_CHANGE);
158                $this->acl->grant('participants', BEZ_PERMISSION_CHANGE);
159            }
160
161            if ($this->type != 'program' && $this->coordinator == $this->model->user_nick) {
162                $this->acl->grant('content', BEZ_PERMISSION_CHANGE);
163                $this->acl->grant('plan_date', BEZ_PERMISSION_CHANGE);
164                $this->acl->grant('start_time', BEZ_PERMISSION_CHANGE);
165                $this->acl->grant('finish_time', BEZ_PERMISSION_CHANGE);
166                $this->acl->grant('all_day_event', BEZ_PERMISSION_CHANGE);
167                $this->acl->grant('task_program_id', BEZ_PERMISSION_CHANGE);
168                $this->acl->grant('cost', BEZ_PERMISSION_CHANGE);
169
170                $this->acl->grant('assignee', BEZ_PERMISSION_CHANGE);
171                $this->acl->grant('participants', BEZ_PERMISSION_CHANGE);
172            }
173
174        //we get object form db
175		} else {
176            if (isset($defaults['thread']) && $this->thread_id == $defaults['thread']->id) {
177                $this->thread = $defaults['thread'];
178            }
179
180            if (isset($defaults['thread_comment']) && $this->thread_comment_id == $defaults['thread_comment']->id) {
181                $this->thread_comment = $defaults['thread_comment'];
182            }
183
184            if ($this->thread_id == '') {
185                $this->validator->set_rules(array(
186                                                'task_program_id' => array(array('numeric'), 'NOT NULL'),
187                                            ));
188                //this field is unused in program tasks
189                $this->validator->delete_rule('thread_comment_id');
190            }
191
192            //private tasks
193            if ($this->model->level < BEZ_AUTH_ADMIN && $this->private == '1') {
194                if ($this->get_participant($this->model->user_nick) === false &&
195                    ($this->thread_id != '' && $this->__get('thread')->get_participant($this->model->user_nick) === false)) {
196                    $this->acl->revoke(self::get_select_columns(), BEZ_AUTH_LEADER);
197                    return;
198                }
199            }
200
201            //user can close their tasks
202            if ($this->assignee == $this->model->user_nick || $this->model->get_level() >= BEZ_AUTH_LEADER) {
203                $this->acl->grant('state', BEZ_PERMISSION_CHANGE);
204            }
205
206            if ($this->type == 'program' && $this->original_poster == $this->model->user_nick) {
207                $this->acl->grant('content', BEZ_PERMISSION_CHANGE);
208                $this->acl->grant('plan_date', BEZ_PERMISSION_CHANGE);
209                $this->acl->grant('start_time', BEZ_PERMISSION_CHANGE);
210                $this->acl->grant('finish_time', BEZ_PERMISSION_CHANGE);
211                $this->acl->grant('all_day_event', BEZ_PERMISSION_CHANGE);
212                $this->acl->grant('task_program_id', BEZ_PERMISSION_CHANGE);
213                $this->acl->grant('cost', BEZ_PERMISSION_CHANGE);
214            }
215
216            if (($this->type != 'program' && $this->coordinator == $this->model->user_nick) ||
217                ($this->model->get_level() >= BEZ_AUTH_LEADER)) {
218                $this->acl->grant('content', BEZ_PERMISSION_CHANGE);
219                $this->acl->grant('plan_date', BEZ_PERMISSION_CHANGE);
220                $this->acl->grant('start_time', BEZ_PERMISSION_CHANGE);
221                $this->acl->grant('finish_time', BEZ_PERMISSION_CHANGE);
222                $this->acl->grant('all_day_event', BEZ_PERMISSION_CHANGE);
223                $this->acl->grant('task_program_id', BEZ_PERMISSION_CHANGE);
224                $this->acl->grant('cost', BEZ_PERMISSION_CHANGE);
225
226                $this->acl->grant('assignee', BEZ_PERMISSION_CHANGE);
227                $this->acl->grant('participants', BEZ_PERMISSION_CHANGE);
228                $this->acl->grant('state', BEZ_PERMISSION_CHANGE);
229            }
230        }
231    }
232
233    public function update_virutal() {
234        if ($this->state == 'done') {
235            $this->priority = '';
236        } else {
237            $now = date('Y-m-d');
238            $plus_1_month = date('Y-m-d', strtotime('+1 month'));
239
240            if ($this->plan_date >= $plus_1_month) {
241                $this->priority = '0';
242            } elseif ($this->plan_date >= $now) {
243                $this->priority = '1';
244            } else {
245                $this->priority = '2';
246            }
247        }
248    }
249
250	public function set_data($post, $filter=NULL) {
251        //all day event
252        if (!isset($post['all_day_event'])) {
253            $post['all_day_event'] = '0';
254        }
255
256        parent::set_data($post);
257
258        $this->purge();
259
260        if ($this->thread_id == '') {
261            $this->type = 'program';
262        } elseif ($this->thread_comment_id == '') {
263            $this->type = 'correction';
264        }
265
266        if (!isset($post['assignee'])) {
267            $this->assignee = $this->model->user_nick;
268        }
269
270        //update dates
271        $this->last_modification_date = date('c');
272        $this->last_activity_date = $this->last_modification_date;
273
274        //update virtual
275        $this->update_virutal();
276
277		return true;
278	}
279
280    public function set_state($state) {
281	    if ($this->acl_of('state') < BEZ_PERMISSION_CHANGE) {
282	        throw new PermissionDeniedException();
283        }
284
285        if (!in_array($state, array('opened', 'done'))) {
286	        throw new ValidationException('task', array('sholud be opened or done'));
287        }
288
289        //nothing to do
290        if ($state == $this->state) {
291	        return;
292        }
293
294        if ($state == 'done') {
295            $this->state = $state;
296            $this->closed_by = $this->model->user_nick;
297            $this->close_date = date('c');
298
299            $this->model->sqlite->query("UPDATE {$this->get_table_name()} SET state=?, closed_by=?, close_date=? WHERE id=?",
300                $this->state,
301                $this->closed_by,
302                $this->close_date,
303                $this->id);
304        //reopen the task
305        } else {
306            $this->model->sqlite->query("UPDATE {$this->get_table_name()} SET state=? WHERE id=?", $state, $this->id);
307        }
308
309        $this->state = $state;
310    }
311
312    public function set_task_program($taks_program_id) {
313	    $this->task_program_id = $taks_program_id;
314    }
315
316    public function update_last_activity() {
317        $this->last_activity_date = date('c');
318        $this->model->sqlite->query('UPDATE task SET last_activity_date=? WHERE id=?',
319                                    $this->last_activity_date, $this->id);
320    }
321
322    public function can_add_comments() {
323        if ($this->thread_id != '' && $this->type != 'preventive' && $this->thread->state == 'closed') {
324            return false;
325        }
326
327        if ($this->state == 'opened' ||
328            ($this->state == 'done' &&
329                $this->acl_of('state') >= BEZ_PERMISSION_CHANGE)) {
330            return true;
331        }
332
333        return false;
334    }
335
336    public function can_add_participants() {
337        return in_array($this->state, array('opened'));
338    }
339
340    public function get_participants($filter='') {
341        if ($this->id === NULL) {
342            return array();
343        }
344
345        $sql = 'SELECT * FROM task_participant WHERE';
346        $possible_flags = array('original_poster', 'assignee', 'commentator', 'subscribent');
347        if ($filter != '') {
348            if (!in_array($filter, $possible_flags)) {
349                throw new \Exception("unknown flag $filter");
350            }
351            $sql .= " $filter=1 AND";
352        }
353        $sql .= ' task_id=? AND removed=0 ORDER BY user_id';
354
355        $r = $this->model->sqlite->query($sql, $this->id);
356        $pars = $this->model->sqlite->res2arr($r);
357        $participants = array();
358        foreach ($pars as $par) {
359            $participants[$par['user_id']] = $par;
360        }
361
362        return $participants;
363    }
364
365    public function get_participant($user_id, $can_be_removed=false) {
366        if ($this->id === NULL) {
367            return array();
368        }
369
370        $q = 'SELECT * FROM task_participant WHERE task_id=? AND user_id=?';
371        if (!$can_be_removed) {
372            $q .= ' AND removed=0';
373        }
374        $r = $this->model->sqlite->query($q, $this->id, $user_id);
375        $par = $this->model->sqlite->res2row($r);
376        if (!is_array($par)) {
377            return false;
378        }
379
380        return $par;
381    }
382
383    public function is_subscribent($user_id=null) {
384        if ($user_id == null) {
385            $user_id = $this->model->user_nick;
386        }
387        $par = $this->get_participant($user_id);
388        if ($par['subscribent'] == 1) {
389            return true;
390        }
391        return false;
392    }
393
394    public function remove_participant_flags($user_id, $flags) {
395        //thread not saved yet
396        if ($this->id === NULL) {
397            throw new \Exception('cannot remove flags from not saved thread');
398        }
399
400        $participant = $this->get_participant($user_id, true);
401        if ($participant === false) {
402            throw new ConsistencyViolationException("$user_id isn't participant");
403        }
404
405        $possible_flags = array('original_poster', 'assignee', 'commentator', 'subscribent');
406        if (array_intersect($flags, $possible_flags) != $flags) {
407            throw new \Exception('unknown flags');
408        }
409
410        $set = implode(',', array_map(function ($v) { return "$v=0"; }, $flags));
411
412        $sql = "UPDATE task_participant SET $set WHERE task_id=? AND user_id=?";
413        $this->model->sqlite->query($sql, $this->id, $user_id);
414
415    }
416
417    public function set_participant_flags($user_id, $flags=array()) {
418        //thread not saved yet
419        if ($this->id === NULL) {
420            throw new \Exception('cannot add flags to not saved thread');
421        }
422
423        //validate user
424        if (!$this->model->userFactory->exists($user_id)) {
425            throw new \Exception("$user_id isn't dokuwiki user");
426        }
427
428        $possible_flags = array('original_poster', 'assignee', 'commentator', 'subscribent');
429        if (array_intersect($flags, $possible_flags) != $flags) {
430            throw new \Exception('unknown flags');
431        }
432
433        $participant = $this->get_participant($user_id, true);
434        if ($participant == false) {
435            $participant = array_fill_keys($possible_flags, 0);
436
437            $participant['task_id'] = $this->id;
438            $participant['user_id'] = $user_id;
439            $participant['added_by'] = $this->model->user_nick;
440            $participant['added_date'] = date('c');
441
442            $values = array_merge($participant, array_fill_keys($flags, 1));
443            $this->model->sqlite->storeEntry('task_participant', $values);
444        } else {
445            $set = implode(',', array_map(function($flag) { return "$flag=1"; }, $flags));
446
447            if ($participant['removed'] == '1') {
448                $set .= ',removed=0';
449            }
450
451            $q = "UPDATE task_participant SET $set WHERE task_id=? AND user_id=?";
452            $this->model->sqlite->query($q, $this->id, $user_id);
453        }
454    }
455
456    public function remove_participant($user_id) {
457        //thread not saved yet
458        if ($this->id === NULL) {
459            throw new \Exception('cannot remove flags from not saved thread');
460        }
461
462        $participant = $this->get_participant($user_id);
463        if ($participant === false) {
464            throw new ConsistencyViolationException("$user_id isn't participant");
465        }
466
467        if ($participant['assignee'] == '1') {
468            throw new ConsistencyViolationException("cannot remove assignee");
469        }
470
471        $q = "UPDATE task_participant SET removed=1 WHERE task_id=? AND user_id=?";
472        $this->model->sqlite->query($q, $this->id, $user_id);
473
474    }
475
476    public function pin($thread_id) {
477        if ($this->acl_of('thread_id') < BEZ_PERMISSION_CHANGE) {
478            throw new PermissionDeniedException();
479        }
480        if ($this->thread_id != '') {
481            throw new ConsistencyViolationException('task already pinned to thread');
482        }
483
484        //check if thread exists and isn't closed
485        $q = "SELECT id, private FROM thread_view WHERE id = ? AND state IN ('opened', 'done')";
486        $r = $this->model->sqlite->query($q, $thread_id);
487        $thread = $this->model->sqlite->res_fetch_assoc($r);
488        if (!$thread) {
489            throw new ValidationException("task", array('thread_id' => 'pin_task'));
490        }
491
492        //if thread was private task is also private
493        $q = "UPDATE task SET type='correction', thread_id=?";
494        if ($thread['private']) {
495            $q .= ", private=1";
496        }
497        $q .= " WHERE id=?";
498        $this->model->sqlite->query($q, $thread_id, $this->id);
499    }
500
501    public function unpin() {
502        if ($this->acl_of('thread_id') < BEZ_PERMISSION_CHANGE) {
503            throw new PermissionDeniedException();
504        }
505
506        $q = "UPDATE task SET type='program', thread_id='', thread_comment_id='', private=0 WHERE id=?";
507        $this->model->sqlite->query($q, $this->id);
508    }
509
510    public function invite($client) {
511        $this->set_participant_flags($client, array('subscribent'));
512        $this->mail_notify_invite($client);
513    }
514
515    protected function html_link_url() {
516        $tpl = $this->model->action->get_tpl();
517        return $tpl->url('task', 'tid', $this->id);
518    }
519
520    protected function html_link_content() {
521        $ret = '';
522        if ($this->thread_id != '') {
523            $ret .= '#'.$this->thread_id . ' ';
524        }
525        return $ret . '#z' . $this->id;
526    }
527
528    protected function getMailSubject()
529    {
530        return parent::getMailSubject() . ' #z'.$this->id. ' ' . $this->task_program_name; // TODO: Change the autogenerated stub
531    }
532
533    public function mail_task_box(&$attachedImages) {
534        $tpl = $this->model->action->get_tpl();
535
536        //render style
537        $less = new \lessc();
538        $less->addImportDir(DOKU_PLUGIN . 'bez/style/');
539        $style = $less->compileFile(DOKU_PLUGIN . 'bez/style/task.less');
540
541        //render content for mail
542        $old_content_html = $this->content_html;
543        $this->content_html = p_render('bez_xhtmlmail', p_get_instructions($this->content), $info);
544        $attachedImages = array_merge($attachedImages, $info['img']);
545
546        $tpl->set('task', $this);
547        $tpl->set('style', $style);
548        $tpl->set('no_actions', true);
549        $task_box = $this->model->action->bez_tpl_include('task_box', true);
550
551        $this->content_html = $old_content_html;
552
553        return $task_box;
554    }
555
556    public function mail_task(&$attachedImages) {
557        $tpl = $this->model->action->get_tpl();
558
559        $task_box = $this->mail_task_box($attachedImages);
560        $tpl->set('content', $task_box);
561        $content = $this->model->action->bez_tpl_include('mail/task', true);
562
563        return $content;
564    }
565
566    public function mail_notify_assignee() {
567        $tpl = $this->model->action->get_tpl();
568
569        //we don't want who
570        $tpl->set('who', $this->model->user_nick);
571        $tpl->set('action', 'mail_task_assignee');
572        $attachedImages = array();
573        $content = $this->mail_task($attachedImages);
574        $this->mail_notify($content, array($this->assignee), $attachedImages);
575    }
576
577    public function mail_notify_remind($users=false, $days=1) {
578        $tpl = $this->model->action->get_tpl();
579
580        //we don't want who
581        $tpl->set('who', '');
582        $tpl->set('action', 'mail_task_remind');
583        $tpl->set('action_replacements', array($days));
584        $attachedImages = array();
585        $content = $this->mail_task($attachedImages);
586        $this->mail_notify($content, $users, $attachedImages);
587    }
588
589    public function mail_notify_invite($client) {
590        $users = array($client);
591        $tpl = $this->model->action->get_tpl();
592
593        //we don't want who
594        $tpl->set('who', $this->model->user_nick);
595        $tpl->set('action', 'mail_task_invite');
596        $attachedImages = array();
597        $content = $this->mail_task($attachedImages);
598        $this->mail_notify($content, $users, $attachedImages);
599    }
600
601    public function mail_notify_change_state($action='') {
602        $tpl = $this->model->action->get_tpl();
603
604        $tpl->set('who', $this->model->user_nick);
605        $tpl->set('action', $action);
606        $attachedImages = array();
607        $content = $this->mail_task($attachedImages);
608        $this->mail_notify($content, false, $attachedImages);
609    }
610
611}
612