xref: /plugin/todo/syntax/list.php (revision 3bd520d9c2f5683cf03987181d9dd4be3a0a5397)
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        $pages = array();
258        foreach($todopages as $page) {
259            $parsepage = 0;
260            if ($data['ns'] == 'all') {
261                // Always return the todo pages
262                $parsepage = 1;
263            } elseif ($data['ns'] == '/') {
264                // Only return the todo page if it's in the root namespace
265                if (strpos($page['id'], ':') === FALSE) $parsepage = 1;
266            } elseif (substr( $page['id'], 0, strlen($data['ns']) ) === $data['ns']) {
267                // Only return the todo page if it starts with the given string
268                $parsepage = 1;
269            }
270            if ($parsepage == 1) {
271                $todos = array();
272                // contains 3 arrays: an array with complete matches and 2 arrays with subpatterns
273                foreach($page['matches'][1] as $todoindex => $todomatch) {
274                    $todo = array_merge(array('todotitle' => trim($page['matches'][2][$todoindex]),  'todoindex' => $todoindex), $this->parseTodoArgs($todomatch), $data);
275
276                    if($this->isRequestedTodo($todo)) { $todos[] = $todo; }
277                }
278                if(count($todos) > 0) {
279                    $pages[] = array('id' => $page['id'], 'todos' => $todos);
280                }
281            }
282        }
283        return $pages;
284    }
285
286    /**
287     * Create html for table with todos
288     *
289     * @param Doku_Renderer_xhtml $R
290     * @param array $todopages
291     * @param array $data array with rendering options
292     */
293    private function htmlTodoTable($R, $todopages, $data) {
294        $R->table_open();
295        foreach($todopages as $page) {
296       	    if ($data['header']!='none') {
297                $R->tablerow_open();
298                $R->tableheader_open();
299                $R->internallink($page['id'], ($data['header']=='firstheader' ? p_get_first_heading($page['id']) : $page['id']));
300                $R->tableheader_close();
301                $R->tablerow_close();
302       	    }
303            foreach($page['todos'] as $todo) {
304//echo "<pre>";var_dump($todo);echo "</pre>";
305                $R->tablerow_open();
306                $R->tablecell_open();
307                $R->doc .= $this->createTodoItem($R, $page['id'], array_merge($todo, $data));
308                $R->tablecell_close();
309                $R->tablerow_close();
310            }
311        }
312        $R->table_close();
313    }
314
315    /**
316     * Check the conditions for adding a todoitem
317     *
318     * @param $data     array the defined filters
319     * @param $checked  bool completion status of task; true: finished, false: open
320     * @param $todouser string user username of user
321     * @return bool if the todoitem should be listed
322     */
323    /**
324     * Check the conditions for adding a todoitem
325     *
326     * @param $data     array the defined filters
327     * @param $checked  bool completion status of task; true: finished, false: open
328     * @param $todouser string user username of user
329     * @return bool if the todoitem should be listed
330     */
331    private function isRequestedTodo($data) {
332        //completion status
333        $condition1 = $data['completed'] === 'all' //all
334                      || $data['completed'] === $data['checked']; //yes or no
335
336        // resolve placeholder in assignees
337        $requestedassignees = array();
338        if(is_array($data['assigned'])) {
339            $requestedassignees = array_map( array($this,"__todolistExpandAssignees"), $data['assigned'] );
340        }
341        //assigned
342        $condition2 = $condition2
343                        || $data['assigned'] === 'all' //all
344                        || (is_bool($data['assigned']) && $data['assigned'] == $data['todouser']); //yes or no
345
346        if (!$condition2 && is_array($data['assigned']) && is_array($data['todousers']))
347            foreach($data['todousers'] as $todouser) {
348                if(in_array($todouser, $requestedassignees)) { $condition2 = true; break; }
349            }
350
351        //completed by
352        if($condition2 && is_array($data['completeduserlist']))
353            $condition2 = in_array($data['completeduser'], $data['completeduserlist']);
354
355        //compare start/due dates
356        if($condition1 && $condition2) {
357            $condition3s = true; $condition3d = true;
358            if(isset($data['startbefore']) || isset($data['startafter'])) {
359                if(is_object($data['start'])) {
360                    if($data['startignore'] != '!') {
361                        if(isset($data['startbefore'])) { $condition3s = $condition3s && new DateTime($data['startbefore']) > $data['start']; }
362                        if(isset($data['startafter'])) { $condition3s = $condition3s && new DateTime($data['startafter']) < $data['start']; }
363                    }
364                } else {
365                    if(!$data['startignore'] == '*') { $condition3s = false; }
366                    if($data['startignore'] == '!') { $condition3s = false; }
367                }
368            }
369
370            if(isset($data['duebefore']) || isset($data['dueafter'])) {
371                if(is_object($data['due'])) {
372                    if($data['dueignore'] != '!') {
373                        if(isset($data['duebefore'])) { $condition3d = $condition3d && new DateTime($data['duebefore']) > $data['due']; }
374                        if(isset($data['dueafter'])) { $condition3d = $condition3d && new DateTime($data['dueafter']) < $data['due']; }
375                    }
376                 } else {
377                    if(!$data['dueignore'] == '*') { $condition3d = false; }
378                    if($data['dueignore'] == '!') { $condition3d = false; }
379                }
380            }
381            $condition3 = $condition3s && $condition3d;
382        }
383
384	// compare completed date
385        $condition4 = true;
386        if(isset($data['completedbefore'])) {
387            $condition4 = $condition4 && new DateTime($data['completedbefore']) > $data['completeddate'];
388        }
389        if(isset($data['completedafter'])) {
390            $condition4 = $condition4 && new DateTime($data['completedafter']) < $data['completeddate'];
391        }
392
393        return $condition1 AND $condition2 AND $condition3 AND $condition4;
394    }
395
396
397    /**
398    * Analyse of relative/absolute Date and return an absolute date
399    *
400    * @param $date      string  absolute/relative value of the date to analyse
401    * @return           array   absolute date or actual date if $date is invalid
402    */
403    private function analyseDate($date) {
404        $result = array($date, '');
405        if(is_string($date)) {
406            if($date == '!') {
407               $result = array('', '!');
408            } elseif ($date =='*') {
409               $result = array('', '*');
410            } else {
411                if(substr($date, -1) == '*') {
412                    $date = substr($date, 0, -1);
413                    $result = array($date, '*');
414                }
415
416                if(date('Y-m-d', strtotime($date)) == $date) {
417                    $result[0] = $date;
418                } elseif(preg_match('/^[\+\-]\d+$/', $date)) { // check if we have a valid relative value
419                    $newdate = date_create(date('Y-m-d'));
420                    date_modify($newdate, $date . ' day');
421                    $result[0] = date_format($newdate, 'Y-m-d');
422                } else {
423                    $result[0] = date('Y-m-d');
424                }
425            }
426        } else { $result[0] = date('Y-m-d'); }
427
428        return $result;
429    }
430
431
432}
433