xref: /plugin/todo/syntax/list.php (revision 6db5932f627312f7ee20bbb2cd19698f58bdc553)
1<?php
2/**
3 * DokuWiki Plugin todo_list (Syntax Component)
4 *
5 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
6 */
7
8// must be run within Dokuwiki
9if(!defined('DOKU_INC')) die();
10
11/**
12 * Class syntax_plugin_todo_list
13 */
14class syntax_plugin_todo_list extends syntax_plugin_todo_todo {
15
16    /**
17     * @return string Syntax mode type
18     */
19    public function getType() {
20        return 'substition';
21    }
22
23    /**
24     * @return string Paragraph type
25     */
26    public function getPType() {
27        return 'block';
28    }
29
30    /**
31     * @return int Sort order - Low numbers go before high numbers
32     */
33    public function getSort() {
34        return 250;
35    }
36
37    /**
38     * Connect lookup pattern to lexer.
39     *
40     * @param string $mode Parser mode
41     */
42    public function connectTo($mode) {
43        $this->Lexer->addSpecialPattern('~~TODOLIST[^~]*~~', $mode, 'plugin_todo_list');
44    }
45
46    /**
47     * Handle matches of the todolist syntax
48     *
49     * @param string $match The match of the syntax
50     * @param int $state The state of the handler
51     * @param int $pos The position in the document
52     * @param Doku_Handler $handler The handler
53     * @return array Data for the renderer
54     */
55    public function handle($match, $state, $pos, Doku_Handler &$handler) {
56
57        $options = substr($match, 10, -2); // strip markup
58        $options = explode(' ', $options);
59        $data = array(
60            'header' => $this->getConf("Header"),
61            'completed' => 'all',
62            'assigned' => 'all',
63            'completeduserlist' => 'all',
64            'ns' => 'all',
65            'showdate' => $this->getConf("ShowdateList"),
66            'checkbox' => $this->getConf("Checkbox"),
67            'username' => $this->getConf("Username"),
68        );
69        $allowedvalues = array('yes', 'no');
70        foreach($options as $option) {
71            @list($key, $value) = explode(':', $option, 2);
72            switch($key) {
73            	case 'header': // how should the header be rendered?
74                    if(in_array($value, array('id', 'firstheader', 'none'))) {
75                        $data['header'] = $value;
76                    }
77                    break;
78                case 'showdate':
79                    if(in_array($value, $allowedvalues)) {
80                        $data['showdate'] = ($value == 'yes');
81                    }
82                    break;
83                case 'checkbox': // should checkbox be rendered?
84                    if(in_array($value, $allowedvalues)) {
85                        $data['checkbox'] = ($value == 'yes');
86                    }
87                    break;
88                case 'completed':
89                    if(in_array($value, $allowedvalues)) {
90                        $data['completed'] = ($value == 'yes');
91                    }
92                    break;
93                case 'username': // how should the username be rendered?
94                    if(in_array($value, array('user', 'real', 'none'))) {
95                        $data['username'] = $value;
96                    }
97                    break;
98                case 'assigned':
99                    if(in_array($value, $allowedvalues)) {
100                        $data['assigned'] = ($value == 'yes');
101                        break;
102                    }
103                    //assigned?
104                    $data['assigned'] = explode(',', $value);
105					// @date 20140317 le: if check for logged in user, also check for logged in user email address
106					if( in_array( '@@USER@@', $data['assigned'] ) ) {
107						$data['assigned'][] = '@@MAIL@@';
108					}
109                    $data['assigned'] = array_map( array($this,"__todolistTrimUser"), $data['assigned'] );
110                    break;
111                case 'completeduser':
112                    $data['completeduserlist'] = explode(',', $value);
113                                        // @date 20140317 le: if check for logged in user, also check for logged in user email address
114                                        if(in_array('@@USER@@', $data['completeduserlist'])) {
115                                                $data['completeduserlist'][] = '@@MAIL@@';
116                                        }
117                    $data['completeduserlist'] = array_map( array($this,"__todolistTrimUser"), $data['completeduserlist'] );
118                    break;
119                case 'ns':
120                    $data['ns'] = $value;
121                    break;
122                case 'startbefore':
123                    list($data['startbefore'], $data['startignore']) = $this->analyseDate($value);
124                    break;
125                case 'startafter':
126                    list($data['startafter'], $data['startignore']) = $this->analyseDate($value);
127                    break;
128                 case 'duebefore':
129                    list($data['duebefore'], $data['dueignore']) = $this->analyseDate($value);
130                    break;
131                 case 'dueafter':
132                    list($data['dueafter'], $data['dueignore']) = $this->analyseDate($value);
133                    break;
134                 case 'completedbefore':
135                    $data['completedbefore'] = $this->analyseDate($value)[0];
136                    break;
137                 case 'completedafter':
138                    $data['completedafter'] = $this->analyseDate($value)[0];
139                    break;
140             }
141        }
142        return $data;
143    }
144
145    /**
146     * Render xhtml output or metadata
147     *
148     * @param string $mode Renderer mode (supported modes: xhtml)
149     * @param Doku_Renderer $renderer The renderer
150     * @param array $data The data from the handler() function
151     * @return bool If rendering was successful.
152     */
153    public function render($mode, Doku_Renderer &$renderer, $data) {
154        global $conf;
155
156        if($mode != 'xhtml') return false;
157        /** @var Doku_Renderer_xhtml $renderer */
158
159        $opts['pattern'] = '/<todo([^>]*)>(.*)<\/todo[\W]*?>/'; //all todos in a wiki page
160        //TODO check if storing subpatterns doesn't cost too much resources
161
162        // search(&$data, $base,            $func,                       $opts,$dir='',$lvl=1,$sort='natural')
163        search($todopages, $conf['datadir'], array($this, 'search_todos'), $opts); //browse wiki pages with callback to search_pattern
164
165        $todopages = $this->filterpages($todopages, $data);
166
167        $this->htmlTodoTable($renderer, $todopages, $data);
168
169        return true;
170    }
171
172    /**
173     * Custom search callback
174     *
175     * This function is called for every found file or
176     * directory. When a directory is given to the function it has to
177     * decide if this directory should be traversed (true) or not (false).
178     * Return values for files are ignored
179     *
180     * All functions should check the ACL for document READ rights
181     * namespaces (directories) are NOT checked (when sneaky_index is 0) as this
182     * would break the recursion (You can have an nonreadable dir over a readable
183     * one deeper nested) also make sure to check the file type (for example
184     * in case of lockfiles).
185     *
186     * @param array &$data  - Reference to the result data structure
187     * @param string $base  - Base usually $conf['datadir']
188     * @param string $file  - current file or directory relative to $base
189     * @param string $type  - Type either 'd' for directory or 'f' for file
190     * @param int    $lvl   - Current recursion depht
191     * @param array  $opts  - option array as given to search()
192     * @return bool if this directory should be traversed (true) or not (false). Return values for files are ignored.
193     */
194    public function search_todos(&$data, $base, $file, $type, $lvl, $opts) {
195        $item['id'] = pathID($file); //get current file ID
196
197        //we do nothing with directories
198        if($type == 'd') return true;
199
200        //only search txt files
201        if(substr($file, -4) != '.txt') return true;
202
203        //check ACL
204        if(auth_quickaclcheck($item['id']) < AUTH_READ) return false;
205
206        $wikitext = rawWiki($item['id']); //get wiki text
207
208        $item['count'] = preg_match_all($opts['pattern'], $wikitext, $matches); //count how many times appears the pattern
209        if(!empty($item['count'])) { //if it appears at least once
210            $item['matches'] = $matches;
211            $data[] = $item;
212        }
213        return true;
214    }
215
216    /**
217     * Expand assignee-placeholders
218     *
219     * @param $user	String to be worked on
220     * @return	expanded string
221     */
222    private function __todolistExpandAssignees($user) {
223        global $USERINFO;
224        if($user == '@@USER@@' && !empty($_SERVER['REMOTE_USER'])) {  //$INPUT->server->str('REMOTE_USER')
225            return $_SERVER['REMOTE_USER'];
226        }
227        // @date 20140317 le: check for logged in user email address
228        if( $user == '@@MAIL@@' && isset( $USERINFO['mail'] ) ) {
229            return $USERINFO['mail'];
230        }
231        return  $user;
232    }
233
234    /**
235     * Trim input if it's a user
236     *
237     * @param $user	String to be worked on
238     * @return	trimmed string
239     */
240    private function __todolistTrimUser($user) {
241        //placeholder (inspired by replacement-patterns - see https://www.dokuwiki.org/namespace_templates#replacement_patterns)
242        if( $user == '@@USER@@' || $user == '@@MAIL@@' ) {
243            return $user;
244        }
245        //user
246        return trim(ltrim($user, '@'));
247    }
248
249    /**
250     * filter the pages
251     *
252     * @param $todopages array pages with all todoitems
253     * @param $data      array listing parameters
254     * @return array filtered pages
255     */
256    private function filterpages($todopages, $data) {
257        global $ID;
258        $pages = array();
259        foreach($todopages as $page) {
260            $parsepage = 0;
261            if ($data['ns'][0] == '.') {
262                if(substr($data['ns'], -1) == ':') {
263                    $data['ns'] = $ID.':'.substr($data['ns'], 1);
264                } else {
265                    $data['ns'] = rtrim($ID.':'.substr($data['ns'], 1), ':');
266                }
267                $data['ns'] = str_replace('::', ':', $data['ns']);
268            }
269            if ($data['ns'] == 'all') {
270                // Always return the todo pages
271                $parsepage = 1;
272            } elseif ($data['ns'] == '/') {
273                // Only return the todo page if it's in the root namespace
274                if (strpos($page['id'], ':') === FALSE) $parsepage = 1;
275            } elseif (strlen($data['ns']) > 1 && substr($data['ns'], -1) == ':') {
276                // Only return the todo page if it's in the namespace of the actual page
277                if (substr($page['id'], 0, strlen($ID.':')) === $ID.':') {
278                    $parsepage = 1;
279                }
280
281            } elseif (substr( $page['id'], 0, strlen($data['ns']) ) === $data['ns']) {
282                // Only return the todo page if it starts with the given string
283                $parsepage = 1;
284            }
285            if ($parsepage == 1) {
286                $todos = array();
287                // contains 3 arrays: an array with complete matches and 2 arrays with subpatterns
288                foreach($page['matches'][1] as $todoindex => $todomatch) {
289                    $todo = array_merge(array('todotitle' => trim($page['matches'][2][$todoindex]),  'todoindex' => $todoindex), $this->parseTodoArgs($todomatch), $data);
290
291                    if($this->isRequestedTodo($todo)) { $todos[] = $todo; }
292                }
293                if(count($todos) > 0) {
294                    $pages[] = array('id' => $page['id'], 'todos' => $todos);
295                }
296            }
297        }
298        return $pages;
299    }
300
301    /**
302     * Create html for table with todos
303     *
304     * @param Doku_Renderer_xhtml $R
305     * @param array $todopages
306     * @param array $data array with rendering options
307     */
308    private function htmlTodoTable($R, $todopages, $data) {
309        $R->table_open();
310        foreach($todopages as $page) {
311       	    if ($data['header']!='none') {
312                $R->tablerow_open();
313                $R->tableheader_open();
314                $R->internallink($page['id'], ($data['header']=='firstheader' ? p_get_first_heading($page['id']) : $page['id']));
315                $R->tableheader_close();
316                $R->tablerow_close();
317       	    }
318            foreach($page['todos'] as $todo) {
319//echo "<pre>";var_dump($todo);echo "</pre>";
320                $R->tablerow_open();
321                $R->tablecell_open();
322                $R->doc .= $this->createTodoItem($R, $page['id'], array_merge($todo, $data));
323                $R->tablecell_close();
324                $R->tablerow_close();
325            }
326        }
327        $R->table_close();
328    }
329
330    /**
331     * Check the conditions for adding a todoitem
332     *
333     * @param $data     array the defined filters
334     * @param $checked  bool completion status of task; true: finished, false: open
335     * @param $todouser string user username of user
336     * @return bool if the todoitem should be listed
337     */
338    /**
339     * Check the conditions for adding a todoitem
340     *
341     * @param $data     array the defined filters
342     * @param $checked  bool completion status of task; true: finished, false: open
343     * @param $todouser string user username of user
344     * @return bool if the todoitem should be listed
345     */
346    private function isRequestedTodo($data) {
347        //completion status
348        $condition1 = $data['completed'] === 'all' //all
349                      || $data['completed'] === $data['checked']; //yes or no
350
351        // resolve placeholder in assignees
352        $requestedassignees = array();
353        if(is_array($data['assigned'])) {
354            $requestedassignees = array_map( array($this,"__todolistExpandAssignees"), $data['assigned'] );
355        }
356        //assigned
357        $condition2 = $condition2
358                        || $data['assigned'] === 'all' //all
359                        || (is_bool($data['assigned']) && $data['assigned'] == $data['todouser']); //yes or no
360
361        if (!$condition2 && is_array($data['assigned']) && is_array($data['todousers']))
362            foreach($data['todousers'] as $todouser) {
363                if(in_array($todouser, $requestedassignees)) { $condition2 = true; break; }
364            }
365
366        //completed by
367        if($condition2 && is_array($data['completeduserlist']))
368            $condition2 = in_array($data['completeduser'], $data['completeduserlist']);
369
370        //compare start/due dates
371        if($condition1 && $condition2) {
372            $condition3s = true; $condition3d = true;
373            if(isset($data['startbefore']) || isset($data['startafter'])) {
374                if(is_object($data['start'])) {
375                    if($data['startignore'] != '!') {
376                        if(isset($data['startbefore'])) { $condition3s = $condition3s && new DateTime($data['startbefore']) > $data['start']; }
377                        if(isset($data['startafter'])) { $condition3s = $condition3s && new DateTime($data['startafter']) < $data['start']; }
378                    }
379                } else {
380                    if(!$data['startignore'] == '*') { $condition3s = false; }
381                    if($data['startignore'] == '!') { $condition3s = false; }
382                }
383            }
384
385            if(isset($data['duebefore']) || isset($data['dueafter'])) {
386                if(is_object($data['due'])) {
387                    if($data['dueignore'] != '!') {
388                        if(isset($data['duebefore'])) { $condition3d = $condition3d && new DateTime($data['duebefore']) > $data['due']; }
389                        if(isset($data['dueafter'])) { $condition3d = $condition3d && new DateTime($data['dueafter']) < $data['due']; }
390                    }
391                 } else {
392                    if(!$data['dueignore'] == '*') { $condition3d = false; }
393                    if($data['dueignore'] == '!') { $condition3d = false; }
394                }
395            }
396            $condition3 = $condition3s && $condition3d;
397        }
398
399	// compare completed date
400        $condition4 = true;
401        if(isset($data['completedbefore'])) {
402            $condition4 = $condition4 && new DateTime($data['completedbefore']) > $data['completeddate'];
403        }
404        if(isset($data['completedafter'])) {
405            $condition4 = $condition4 && new DateTime($data['completedafter']) < $data['completeddate'];
406        }
407
408        return $condition1 AND $condition2 AND $condition3 AND $condition4;
409    }
410
411
412    /**
413    * Analyse of relative/absolute Date and return an absolute date
414    *
415    * @param $date      string  absolute/relative value of the date to analyse
416    * @return           array   absolute date or actual date if $date is invalid
417    */
418    private function analyseDate($date) {
419        $result = array($date, '');
420        if(is_string($date)) {
421            if($date == '!') {
422               $result = array('', '!');
423            } elseif ($date =='*') {
424               $result = array('', '*');
425            } else {
426                if(substr($date, -1) == '*') {
427                    $date = substr($date, 0, -1);
428                    $result = array($date, '*');
429                }
430
431                if(date('Y-m-d', strtotime($date)) == $date) {
432                    $result[0] = $date;
433                } elseif(preg_match('/^[\+\-]\d+$/', $date)) { // check if we have a valid relative value
434                    $newdate = date_create(date('Y-m-d'));
435                    date_modify($newdate, $date . ' day');
436                    $result[0] = date_format($newdate, 'Y-m-d');
437                } else {
438                    $result[0] = date('Y-m-d');
439                }
440            }
441        } else { $result[0] = date('Y-m-d'); }
442
443        return $result;
444    }
445
446
447}
448