Closed ticket #39: Invalidating region lists when new entry was added.
[philipp/winterrodeln/mediawiki_extensions/wrreport.git] / wrreport.body.php
1 <?php
2
3
4 // Init
5 // ----
6
7 function wrReportParserInit() {
8         global $wgParser;
9         wfLoadExtensionMessages('WrReport');
10         $wgParser->setHook('bahnberichtformular', 'bahnberichtformularParserHook');
11         $wgParser->setHook('bahnberichte', 'bahnberichteParserHook');
12         $wgParser->setHook('bahnbewertung', 'bahnbewertungParserHook');
13         return true;
14 }
15
16
17 // Tool functions
18 // --------------
19
20 /// Forces a regeneration of region overview pages ('Tirol', 'Vorarlberg', ...)
21 function wrRecacheRegions() {
22         $dbr = wfGetDB(DB_SLAVE);
23         // SELECT cl_from FROM categorylinks where cl_to = 'Region'
24         $res = $dbr->select('categorylinks', 'cl_from', array('cl_to' => 'Region'));
25         $page_ids = array();
26         while ($row = $dbr->fetchObject($res)) $page_ids[] = $row->cl_from;
27         $dbr->freeResult($res);
28
29         $titles = Title::newFromIDs($page_ids);
30         foreach ($titles as $title) $title->invalidateCache();
31 }
32
33
34
35 // Render Functions
36 // ----------------
37
38 /// \brief Returns a form to enter a report (string containing HTML).
39 ///
40 /// All parameters have to be UTF-8 encoded.
41 /// \param $page_title Name of the sledding run.
42 /// \return UTF-8 encoded HTML form
43 function wrReportFormRender($hide_save_button = TRUE, $page_title = NULL, $date_report = NULL, $condition = NULL, $description = NULL, $author_name = NULL, $page_title_list = NULL) {
44         if ($page_title) $page_title = htmlspecialchars($page_title);
45         // Date options
46         $daynames = array('Heute', 'Gestern', 'Vorgestern', 'Vor 3 Tagen', 'Vor 4 Tagen');
47         $date_options = '';
48         $date_selected = false;
49         $time = time(); // number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)
50         for ($day=0; $day!=5; ++$day) {
51                 $date = strtotime("-$day days", $time);
52                 $date_f = strftime("%Y-%m-%d", $date); // Formats it according to locale, that is set to CET.
53                 $date_options .= '<option value="' . $date_f . '"';
54                 if ((is_null($date_report) && $day == 0) || (!is_null($date_report) && $date_report == $date_f)) {
55                         $date_options .= ' selected="selected"';
56                         $date_selected = true;
57                 }
58                 $date_options .= '>' . htmlspecialchars($daynames[$day]) . ' (' . strftime('%d.%m.', $date) . ')</option>' . "\n";
59         }
60         if (!$date_selected) {
61                 $date_options = '<option value="' . $date_report . '" selected="selected">' . htmlspecialchars($date_report) . "</option>\n" . $date_options;
62         }
63         
64         // Condition options
65         $condition_options = '';
66         global $wrConditions; // $wrConditions = array(1 => 'Sehr gut', 2 => 'Gut', 3 => utf8_encode('Mittelmäßig'), 4 => 'Schlecht', 5 => 'Geht nicht');
67         $condition_options .= utf8_encode('<option value="">(keine Beurteilung)</option>') . "\n";
68         foreach ($wrConditions as $condition_num => $condition_text) {
69                 $condition_options .= "<option value=\"$condition_num\"";
70                 if ($condition == $condition_num) $condition_options .= ' selected="selected"';
71                 $condition_options .= '>' . htmlspecialchars($condition_text) . "</option>\n";
72         }
73         $description_html = htmlspecialchars($description);
74
75         // Buttons
76         // I would like to do it this way, but due to a bug of internet explorer, the <button> element is not useable.
77         //   $buttons = '<button name="action" type="submit" value="preview">Vorschau';
78         //   if ($hide_save_button) $buttons .= ' &amp; Speichern';
79         //   $buttons .= '</button>';
80         //   if (!$hide_save_button) $buttons .= '<button name="action" type="submit" value="store">Speichern</button>';
81         // Workaround: User <input type="submit"/>
82         $buttons = '<input name="preview" type="submit" value="Vorschau';
83         if ($hide_save_button) $buttons .= ' &amp; Speichern'; 
84         $buttons .= '" /> ';
85         if (!$hide_save_button) $buttons .= '<input name="store" type="submit" value="Speichern"/>';
86         
87         $specialPageName = wfMsg('wrreport'); // 'Bahnberichte'
88         $title = Title::newFromText($specialPageName, NS_SPECIAL);
89         $specialPageUrl = $title->getLocalURL(); // e.g. '/wiki/Spezial:Bahnberichte'
90
91         $form = <<<EOT
92 <form action="$specialPageUrl" method="post">
93 <table class="wrreportform" summary="Formular zum Eintragen eines Rodelbahnberichtes">
94         <tr class="oddrow"><th>Rodelbahn</th><td>$page_title<input type="hidden" name="page_title" value="$page_title"/></td></tr>
95         <tr class="evenrow"><th>Datum des Rodelns</th>
96         <td>
97         <select name="date_report">
98         $date_options
99         </select>
100         </td>
101         </tr>
102         <tr class="oddrow"><th>Bahnzustand*</th><td><select name="condition">
103         $condition_options
104         </select></td></tr>
105         <tr class="evenrow"><th>Meinung</th><td><textarea name="description" cols="50" rows="7">$description_html</textarea></td></tr>
106         <tr class="oddrow"><th>Autor/in</th><td><input name="author_name" maxlength="30" size="30" value="$author_name" /></td></tr>
107         <tr class="evenrow"><th>Bericht abschicken</th><td>$buttons</td></tr>
108 </table>
109 </form>
110 EOT;
111         return $form;
112 }
113
114
115 /// \brief Renders the form to delete a report
116 ///
117 /// All in and output strings should be/are UTF-8 encoded.
118 function wrDeleteReportFormRender($reportid, $delete_person_name, $delete_reason_public, $delete_invisible) {
119         // Buttons
120         $buttons = '<input name="deletepreview" type="submit" value="Vorschau" /> ';
121         $buttons .= utf8_encode('<input name="delete" type="submit" value="Löschen"/>');
122         $buttons .= '<input name="reportid" type="hidden" value="' . $reportid . '"/>';
123         // $buttons .= '<input name="delete_invisible" type="hidden" value="' . $delete_invisible . '"/>'; // who is allowed to do so?
124         $summary = utf8_encode('Formular zum Löschen eines Schneelageberichtes');
125         $reason = utf8_encode('Begründung');
126         $delete_reason_public_html = htmlspecialchars($delete_reason_public);
127         $delete_person_name_html = htmlspecialchars($delete_person_name);
128
129         $specialPageName = wfMsg('wrreport'); // 'Bahnberichte'
130         $title = Title::newFromText($specialPageName, NS_SPECIAL);
131         $specialPageUrl = $title->getLocalURL(); // e.g. '/wiki/Spezial:Bahnberichte'
132
133         $form = <<<EOT
134 <form action="$specialPageUrl" method="post">
135 <table class="wrreportform" summary="$summary">
136         <tr class="evenrow"><th>$reason</th><td><textarea name="delete_reason_public" cols="50" rows="7">$delete_reason_public_html</textarea></td></tr>
137         <tr class="oddrow"><th>Name</th><td><input name="delete_person_name" maxlength="30" size="30" value="$delete_person_name" /></td></tr>
138         <tr class="evenrow"><th>Aktion</th><td>$buttons</td></tr>
139 </table>
140 </form>
141 EOT;
142         return $form;
143 }
144
145
146
147 // Constants for wrReportTableRender2
148 define(WRREPORT_COMPACT_PAGE, 1); ///< includes the page name
149 define(WRREPORT_COMPACT, 2);      ///< shown on a single page 
150 define(WRREPORT_DETAIL, 3);       ///< more columns
151
152 /// \brief Renders a table header ("private" sub-function of wrReportTableRender2)
153 ///
154 /// \param $format row format like WRREPORT_COMPACT
155 /// \param $showActions boolean to indicate whether an actions column should be created
156 /// \return UTF-8 encoded titles of HTML table
157 function wrReportTableTitleRender2($format, $showActions) {
158         $out = '<tr>';
159         if ($format == WRREPORT_DETAIL) $out .= '<th>ID</th>';
160         if ($format != WRREPORT_COMPACT) $out .= '<th>Bahn</th>';
161         $out .= '<th>Datum</th>';
162         if ($format == WRREPORT_DETAIL) $out .= '<th>Datum Eintrag</th>';
163         if ($format == WRREPORT_DETAIL) $out .= '<th>Datum Ungültig</th>';
164         $out .= '<th>Zustand</th>';
165         $out .= '<th>Beschreibung</th>';
166         $out .= '<th>Autor</th>';
167         if ($showActions) $out .= '<th>Aktion</th>';
168         return utf8_encode($out . "</tr>\n");
169 }
170
171
172 /// \brief Renders a table row ("private" sub-function of wrReportTableRender2)
173 ///
174 /// \param $row associative array of table columns like one row in the wrreport table
175 /// \param $format row format like WRREPORT_COMPACT
176 /// \param $showActions boolean to indicate whether an actions column should be created
177 /// \return UTF-8 encoded titles of HTML table
178 function wrReportTableRowRender2($row, $format, $showActions) {
179         extract($row);
180
181         $out = '<tr>';
182         // $id
183         if ($format == WRREPORT_DETAIL) $out .= '<td>' . $id . '</td>';
184         // $page_title
185         if ($format != WRREPORT_COMPACT) $out .= '<td>' . wrCommonSandboxParse('[[' . $page_title . ']]') . '</td>';
186         // $date_report
187         $dayOfWeek = array('Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa', 'So');
188         $date_report = strtotime($date_report);
189         $date_report = $dayOfWeek[strftime('%u', $date_report)-1] . strftime(', %d.%m.', $date_report);
190         $out .= '<td>' . $date_report . '</td>';
191         // $date_entry
192         if ($format == WRREPORT_DETAIL) $out .= '<td>' . date('Y-m-d, H:i', strtotime($date_entry)) . '</td>';
193         // $date_invalid
194         if ($format == WRREPORT_DETAIL) $out .= '<td>' . date('Y-m-d, H:i', strtotime($date_invalid)) . '</td>';
195         // $condition
196         global $wrConditions;
197         $condition_text = '---';
198         if (isset($wrConditions[$condition])) $condition_text = $wrConditions[$condition];
199         $out .= '<td>';
200         if ($delete_date) $out .= utf8_encode('<em>Gelöscht</em>');
201         else $out .= htmlspecialchars($condition_text);
202         $out .= '</td>';
203         // $description
204         $out .= '<td class="wrreportdescription">';
205         if ($delete_date) $out .= utf8_encode('<em>Gelöscht</em>');
206         else $out .= wrCommonSandboxParse($description);
207         $out .= '</td>';
208         // $author_name
209         $out .= '<td>';
210         if ($delete_date) $out .= utf8_encode('<em>Gelöscht</em>');
211         else $out .= htmlspecialchars($author_name);
212         $out .= '</td>';
213         // actions
214         // wiki/Spezial:Bahnberichte?action=deletepreview&reportid=42
215         if ($showActions) {
216                 $out .= '<td>';
217                 if (!isset($row['delete_date'])) {
218                         $specialPageName = wfMsg('wrreport'); // 'Bahnberichte'
219                         $title = Title::newFromText($specialPageName, NS_SPECIAL);
220                         $specialPageUrl = $title->getLocalURL(); // e.g. '/wiki/Spezial:Bahnberichte'
221                         $out .= "<a href=\"$specialPageUrl?action=deletepreview&amp;reportid=" . $row['id'] . '">' . utf8_encode('Löschen...') . '</a>';
222                 }
223                 $out .= '</td>';
224         }
225         return $out . "</tr>\n";
226 }
227
228
229 /// \brief Renders the report table. Call wrReportGetReports for the $rows parameter.
230 ///
231 /// \param $rows array of associative row arrays
232 /// \param $format row format like WRREPORT_TABLE_SHORT
233 function wrReportTableRender2($rows, $format, $showActions) {
234         $out = "<table class=\"wrreporttable\">\n" . wrReportTableTitleRender2($format, $showActions);
235         foreach ($rows as $key => $row) $out .= wrReportTableRowRender2($row, $format, $showActions);
236         return $out . "</table>\n";
237 }
238
239
240 /// Returns an array with column names
241 function wrReportGetColumnNames() {
242         return array('id', 'page_id', 'page_title', 'date_report', 'date_entry', 'date_invalid', 'condition', 'description', 'author_name', 'author_username', 'delete_date', 'delete_person_name', 'delete_person_ip', 'delete_person_userid', 'delete_person_username', 'delete_reason_public', 'delete_invisible');
243 }
244
245
246 /// \brief Returns reports as associative array.
247 ///
248 /// Examples: 
249 ///   $conditions = array('page_title' => 'Birgitzer Alm', 'date_invalid > now()');
250 ///   $order = 'date_report desc, date_entry desc';
251 function wrReportGetReports($conditions, $order) {
252         $dbr = wfGetDB(DB_SLAVE);
253         $columns = wrReportGetColumnNames();
254         global $wgDBtype;
255         if ($wgDBtype == "mysql") // "condition" is a reserved word in mysql
256                  for ($i = 0; $i != count($columns); ++$i) $columns[$i] = sprintf('`%s`', $columns[$i]);
257         $res = $dbr->select('wrreport', $columns, $conditions, 'wrReportGetReports', array('ORDER BY' => 'date_report desc, date_entry desc'));
258         $result = array();
259         while ($row = $dbr->fetchRow($res)) $result[] = $row;
260         $dbr->freeResult($res);
261         return $result;
262 }
263
264
265 /// \brief It returns an array of the "condition" (as number) and the date of the "most recent" report of the specified page (to decode as list($condition, $date));
266 ///
267 /// If no condition is present, array(NULL, NULL) is returned
268 function wrReportConditionRender($page_title) {
269         $dbr = wfGetDB(DB_SLAVE);
270         $cond = 'condition';
271         global $wgDBtype;
272         // select wrreport.id as report_id, `condition`, date_report from wrreport where page_title='Axamer Lizum' and `condition` is not null and date_invalid > now() and delete_date is null order by date_report desc, date_entry desc limit 1;
273         if ($wgDBtype == "mysql") $cond = "`$cond`"; // "condition" is a reserved word in mysql
274         $res = $dbr->select(
275                 'wrreport',
276                 array('wrreport.id as report_id', $cond, 'date_report'), 
277                 array('page_title' => $page_title, "$cond is not null", 'date_invalid > now()', 'delete_date is null'),
278                 'wrReportConditionRender',
279                 array('ORDER BY' => 'date_report desc, date_entry desc', 'LIMIT' => '1')
280         );
281         if ($res->numRows() <= 0) {
282                 $dbr->freeResult($res);
283                 return array(NULL, NULL);
284         }
285         $row = $dbr->fetchObject($res);
286         $date = $row->date_report;
287         if ($date) $date = strtotime($date);
288         $dbr->freeResult($res);
289         return array($row->condition, $date);
290 }
291
292
293 /// \brief Returns true if the user is allowed to delete reports (in general)
294 function wrReportUserMayDelete() {
295         global $wgUser;
296         global $wgWrReportDeleteMode;
297         return $wgWrReportDeleteMode == 'allow' || ($wgWrReportDeleteMode == 'loggedin' && $wgUser->isLoggedIn());
298 }
299
300
301
302 // Parser Hook Functions
303 // ---------------------
304
305 /// \brief Is called when the tag <bahnberichtformular/> is encountered.
306 ///
307 /// The current page name is taken.
308 function bahnberichtformularParserHook($input, $args, $parser) {
309         // Username
310         global $wgUser;
311         $author_name = NULL;
312         if ($wgUser->isLoggedIn()) {
313                 $author_name = $wgUser->getRealName();
314                 if (!$author_name) $author_name = $wgUser->getName();
315         }
316
317         global $wgWrReportMode;
318         global $wgWrReportBlackListAll;
319         global $wgWrReportBlackListStrangers;
320         if ($wgWrReportMode == 'summer') return wrCommonSandboxParse(utf8_encode("''An dieser Stelle kann während des Winters die Schneelage von Rodelbahnen eingetragen werden.''\n\n"));
321         if ($wgWrReportMode == 'deny') return wrCommonSandboxParse(utf8_encode("''Rodelbahnberichte sind derzeit leider nicht erlaubt.''\n\n"));
322
323         if ($wgWrReportMode == 'loggedin' && !$wgUser->isLoggedIn()) return wrCommonSandboxParse(utf8_encode("''Derzeit sind Rodelbahnberichte nur für angemeldete Benutzer erlaubt.''\n\n"));
324
325         if (in_array($parser->getTitle()->getText(), $wgWrReportBlackListAll)) return wrCommonSandboxParse(utf8_encode("''Bei dieser Rodelbahn dürfen derzeit leider keine Rodelbahnberichte abgegeben werden.''\n"));
326         if (!$wgUser->isLoggedIn() && in_array($parser->getTitle()->getText(), $wgWrReportBlackListStrangers)) return wrCommonSandboxParse(utf8_encode("''Bei der angegebenen Rodelbahn dürfen derzeit nur angemeldete Benutzer Rodelbahnberichte abgebe.''\n\n"));
327         
328         // Calling "$title = $parser->getTitle(); $title->invalidateCache();" doesn't help here to force regeneration
329         // However, this would not be the best solution because the page has to be re-rendered only at midnight
330
331         // In the following line, $author_name was replaced by NULL to prevent a bug, where the wrong author_name
332         // is shown (see ticket #35). TODO: Find reason.
333         // return wrCommonReplaceByMarker(wrReportFormRender(TRUE, $parser->getTitle()->getText(), NULL, NULL, NULL, $author_name), 'wrform');
334         return wrCommonReplaceByMarker(wrReportFormRender(TRUE, $parser->getTitle()->getText(), NULL, NULL, NULL, NULL), 'wrform');
335 }
336
337
338 /// \brief Is called when the tag <bahnberichte/> is encountered.
339 ///
340 /// The current page name is taken.
341 function bahnberichteParserHook($input, $args, &$parser) {
342         $page_title = $parser->getTitle()->getText();
343         $conditions = array('page_title' => $page_title, 'date_invalid > now()');
344         $order = 'date_report desc, date_entry desc';
345         $rows = wrReportGetReports($conditions, $order);
346         if (count($rows) == 0) return wrCommonSandboxParse("''Es wurden keine Bahnberichte in der Datenbank gefunden.''\n\n");
347         return wrReportTableRender2($rows, WRREPORT_COMPACT, wrReportUserMayDelete());
348 }
349
350
351 /// \brief Is called when the tag <bahnbewertung/> is encountered.
352 ///
353 /// * <bahnbewertung/>: The current page name is taken.
354 /// * <bahnbewertung>page_name</bahnbewertung>: The given page name is taken.
355 function bahnbewertungParserHook($input, $args, &$parser) {
356         $titleText = $input;
357         if (!$titleText) $titleText = $parser->getTitle()->getText();
358         list($condition, $date) = wrReportConditionRender($titleText);
359         if ($date) $date = strftime('%d.%m.', $date);
360         global $wrConditions;
361         global $wrNewReportSection; //  = utf8_encode('Eintragen');
362         global $wrShowReportsSection; //  = utf8_encode('Einträge');
363         global $wgUser;
364         global $wgWrReportMode; // e.g. 'summer'
365         global $wgWrReportBlackListAll;
366         global $wgWrReportBlackListStrangers;
367
368         // Determine, whether the user is allowed to make a new report
369         $userMayReport = ($wgWrReportMode == 'allow' || ($wgWrReportMode == 'loggedin' && $wgUser->isLoggedIn()));
370         if ($userMayReport) {
371                 if (in_array($titleText, $wgWrReportBlackListAll)) $userMayReport = false;
372                 if (!$wgUser->isLoggedIn() && in_array($titleText, $wgWrReportBlackListStrangers)) $userMayReport = false;
373         }
374
375         // Get the condition and create the response wiki text
376         if (isset($wrConditions[$condition])) {
377                 $wikiText = '[['. $titleText . '#' . $wrShowReportsSection . '|'. $wrConditions[$condition] . "]] <small>$date";
378                 if ($userMayReport) $wikiText .= " ''[[" . $titleText . '#' . $wrNewReportSection . "|Neu]]''";
379                 $wikiText .= "</small>";
380         } else {
381                 if ($userMayReport) $wikiText = "<small>''[[" . $titleText . '#' . $wrNewReportSection . "|Bitte eintragen]]''</small>";
382                 else $wikiText = '--';
383         }
384         return wrCommonSandboxParse($wikiText);
385 }
386
387
388
389 // Special page
390 // ------------
391
392 /// Specal Page to show reports
393 class WrReport extends SpecialPage {
394         function WrReport() {
395                 SpecialPage::SpecialPage('WrReport');
396                 wfLoadExtensionMessages('WrReport');
397         }
398
399
400         /// \param $par Possibilities:
401         /// - action == 'view' (default)
402         /// - action == 'preview': Preview new report
403         /// - action == 'store': Store new report
404         /// - action == 'deletepreview': Preview the deleted record
405         /// - action == 'delete': Delete an existing report
406         /// - action == 'showerror': Shows the error and exits
407         /// \param $override_action If not NULL (default), it overrides the action in $par
408         /// \param $errorMsg UFT-8 encoded error message (in WikiText) to show on top of the page or NULL (default):
409         function execute($par, $override_action = NULL, $errorMsg = NULL) {
410                 global $wgRequest, $wgOut;
411
412                 $this->setHeaders();
413
414                 // Get request data
415                 $action = $wgRequest->getText('action');
416                 if (!$action) {
417                         if ($wgRequest->getVal('preview')) $action = 'preview';
418                         elseif ($wgRequest->getVal('store')) $action = 'store';
419                         elseif ($wgRequest->getVal('deletepreview')) $action = 'deletepreview';
420                         elseif ($wgRequest->getVal('delete')) $action = 'delete';
421                         else $action = 'view';
422                 }
423                 if ($override_action) $action = $override_action;
424
425                 // Show error message
426                 if ($errorMsg || $action == 'showerror') {
427                         $wgOut->addWikiText('<div class="errorbox">' . $errorMsg . "</div>\n");
428                         if ($action == 'showerror') return;
429                 }
430
431                 // Action view
432                 if ($action == 'view') {                
433                         $conditions = array('date_invalid > now()');
434                         $order = 'date_entry desc, date_report desc';
435                         $rows = wrReportGetReports($conditions, $order);
436                         if (count($rows) == 0) $wgOut->addWikiText("''Es wurden keine Bahnberichte in der Datenbank gefunden.''\n\n");
437                         $wgOut->addHTML(wrReportTableRender2($rows, WRREPORT_DETAIL, wrReportUserMayDelete())); 
438                 }
439
440                 // Action deletepreview or delete
441                 elseif ($action == 'deletepreview' || $action == 'delete') {
442                         $reportid = (int) $wgRequest->getText('reportid');
443                         if ($reportid == 0) {
444                                 $this->execute($par, 'showerror', utf8_encode('Es wurde kein Bericht zum Löschen ausgewählt.'));
445                                 return;
446                         }
447                         $rows = wrReportGetReports(array('id' => $reportid), '');
448                         if (count($rows) != 1) {
449                                 $this->execute($par, 'showerror', utf8_encode('Es wurde ein ungültiger Bericht zum Löschen ausgewählt.'));
450                                 return;
451                         }
452                         $row = $rows[0];
453                         if (!is_null($row['delete_date'])) {
454                                 $this->execute($par, 'showerror', utf8_encode('Der angegebende Bericht ist bereits gelöscht.'));
455                                 return;
456                         }
457                         $delete_reason_public = $wgRequest->getText('delete_reason_public');
458                         $delete_person_name = $wgRequest->getText('delete_person_name');
459                         $delete_invisible = $wgRequest->getText('delete_invisible') ? TRUE : FALSE;
460                         if ($action == 'delete') {
461                                 // page
462                                 $title = Title::newFromId($row['page_id']);
463
464                                 // user
465                                 global $wgUser;
466                                 $delete_person_userid = $wgUser->getId();
467                                 if ($delete_person_userid == 0) $delete_person_userid = NULL; // to store a NULL value in the database if no user is logged in instead of 0.
468                                 $delete_person_username = $wgUser->getName();
469
470                                 // Check permissions - see also function wrReportUserMayDelete, that does also check permissions but does not return an error message.
471                                 $errorMsg = NULL;
472                                 global $wgWrReportDeleteMode;
473                                 if ($wgWrReportDeleteMode == 'deny') $errorMsg = utf8_encode('Das Löschen von Rodelbahnberichten ist derzeit leider nicht erlaubt.');
474                                 elseif ($wgWrReportDeleteMode == 'loggedin' && !$wgUser->isLoggedIn()) $errorMsg = utf8_encode('Derzeit dürfen nur angemeldete Benutzer Rodelbahnberichte löschen.');
475                                 elseif (!$delete_person_name || !$delete_reason_public) $errorMsg = utf8_encode('Es müssen sowohl die Begründung als auch der Name angegeben werden.');
476                                 if ($errorMsg) {
477                                         $this->execute($par, 'deletepreview', $errorMsg);
478                                         return;
479                                 }
480                                 
481                                 // "Delete" (update) entry
482                                 $dbr = wfGetDB(DB_MASTER);
483                                 $dbr->update(
484                                         'wrreport', 
485                                         array(
486                                                 'delete_date' => date('c'),
487                                                 'delete_person_name' => $delete_person_name,
488                                                 'delete_person_ip' => $_SERVER['REMOTE_ADDR'],
489                                                 'delete_person_userid' => $delete_person_userid,
490                                                 'delete_person_username' => $delete_person_username,
491                                                 'delete_reason_public' => $delete_reason_public,
492                                                 'delete_invisible' => $delete_invisible ? 't' : 'f'
493                                         ),
494                                         array('id' => $reportid)
495                                 );
496
497                                 // Purge cache
498                                 $title->invalidateCache();
499                                 wrRecacheRegions();                             
500
501                                 // Show success message
502                                 global $wrShowReportsSection;
503                                 $wgOut->addWikiText(utf8_encode('<div class="successbox">Der Bahnbericht für [[') . $row['page_title'] . '#' . $wrShowReportsSection . '|' . $row['page_title'] . utf8_encode("]] wurde erfolgreich gelöscht.</div>\n"));
504                         }
505                         if ($action == 'deletepreview') {
506                                 $preview_msg = "Bitte nur dann einen Bericht löschen, wenn Gründe vorliegen wie\n" .
507                                 "* Beschimpfungen, Verleumdungen (wir wollen ''Rodelbahnen'' bewerten, nicht Personen)\n" .
508                                 "* Werbung oder Spam (wenn jemand allerdings ''werbend'' zu gute Noten vergibt, lieber eigenen Bericht eintragen als löschen).\n\n";
509                                 $wgOut->addWikiText(utf8_encode($preview_msg));
510                                 $wgOut->addWikiText(utf8_encode("== Schneelagebericht, um den es beim Löschen geht ==\n"));
511                                 $format = WRREPORT_COMPACT_PAGE;
512                                 $wgOut->addHTML(wrReportTableRender2(array($row), $format, FALSE));
513                                 $wgOut->addWikiText(utf8_encode("\n\n== Vorschau (derzeit noch nicht gelöscht) ==\n"));
514                                 $row['delete_date'] = date('c');
515                                 $row['delete_reason_public'] = $delete_reason_public;
516                                 $row['delete_person_name'] = $delete_person_name;
517                                 $row['delete_invisible'] = $delete_invisible;
518                                 $wgOut->addHTML(wrReportTableRender2(array($row), $format, FALSE));
519                                 $wgOut->addWikiText(utf8_encode("== Löschen ==\n"));
520                                 $wgOut->addWikiText(utf8_encode("Die Begründung und der Name scheinen nicht in den normalen Listen auf, allerdings dienen sie den Administratoren dazu, sich schnell einen Überblick zu verschaffen, wer was warum gelöscht hat.\n"));
521                                 $wgOut->addHTML(wrDeleteReportFormRender($reportid, $delete_person_name, $delete_reason_public, $delete_invisible));
522                         }
523                 }
524
525                 // Action preview or store
526                 elseif ($action == 'preview' || $action == 'store') {
527                         $page_title = $wgRequest->getText('page_title');
528                         $date_report = $wgRequest->getText('date_report');
529                         $condition = $wgRequest->getText('condition');
530                         $description = $wgRequest->getText('description');
531                         $author_name = $wgRequest->getText('author_name');
532                         if ($action == 'store') {
533                                 // page_id
534                                 $title = Title::newFromText($page_title);
535                                 $page_id = $title->getArticleId();
536                                 if ($page_id == 0) $page_id = NULL;
537                                 
538                                 // user_id
539                                 global $wgUser;
540                                 $author_userid = $wgUser->getId();
541                                 if ($author_userid == 0) $author_userid = NULL; // to store a NULL value in the database if no user is logged in instead of 0.
542                                 $author_username = $wgUser->getName();
543
544                                 // condition
545                                 $condition_int = (int) $condition;
546                                 if ($condition_int >= 1 and $condition_int <= 5) $condition = $condition_int;
547                                 else $condition = NULL;
548                                 
549                                 // check conditions/permissions
550                                 $errorMsg = NULL;
551                                 global $wgWrReportMode;
552                                 global $wgWrReportBlackListAll;
553                                 global $wgWrReportBlackListStrangers;
554                                 if ($wgWrReportMode == 'summer') $errorMsg = utf8_encode('Rodelbahnberichte sind in der schneefreien Zeit nicht erlaubt.');
555                                 elseif ($wgWrReportMode == 'deny') $errorMsg = utf8_encode('Rodelbahnberichte sind derzeit leider nicht erlaubt.');
556                                 elseif ($wgWrReportMode == 'loggedin' && !$wgUser->isLoggedIn()) $errorMsg = utf8_encode('Derzeit sind Rodelbahnberichte nur für angemeldete Benutzer erlaubt.');
557                                 elseif (!$page_id) $errorMsg = utf8_encode('Die angegebene Seite wurde nicht gefunden.');
558                                 elseif (in_array($page_title, $wgWrReportBlackListAll)) $errorMsg = utf8_encode('Bei der angegebenen Rodelbahn dürfen derzeit keine Rodelbahnberichte abgegeben werden.');
559                                 elseif (!$wgUser->isLoggedIn() && in_array($page_title, $wgWrReportBlackListStrangers)) $errorMsg = utf8_encode('Bei der angegebenen Rodelbahn dürfen derzeit nur angemeldete Benutzer Rodelbahnberichte abgebe.');
560                                 elseif (!$condition && !$description) $errorMsg = utf8_encode('Es sind sowohl die Beschreibung als auch die Bewertung leer/nicht vergeben.');
561                                 elseif (!$wgUser->isLoggedIn()) {
562                                         if (!$description) $errorMsg = utf8_encode('Bitte bei der Beschreibung eine kurze Begründung für die Bewertung abgeben.');
563                                         elseif (!(stripos($description, 'http') === FALSE)) $errorMsg = utf8_encode('Der Text "http" ist leider für nicht-angemeldete Benutzer nicht erlaubt, weil wir in der Vergangenheit Fälle hatten, bei denen externe Werbelinks automatisiert eingetragen wurden.');
564                                 }
565
566                                 // Chech whether identical reports are present
567                                 if (!$errorMsg) {
568                                         $dbr = wfGetDB(DB_SLAVE);
569                                         $cond = 'condition';
570                                         global $wgDBtype;
571                                         if ($wgDBtype == "mysql") $cond = "`$cond`"; // "condition" is a reserved word in mysql
572                                         $sqlConditions = array('page_id' => $page_id, 'date_report' => $date_report, $cond => $condition, 'description' => $description, 'author_name' => $author_name);
573                                         $res = $dbr->select('wrreport', 'id', $sqlConditions);
574                                         if ($res->numRows() == 1) $errorMsg = utf8_encode('Der Rodelbahnbericht wurde bereits früher gespeichert.');
575                                         $dbr->freeResult($res);
576                                 }
577
578                                 // Show error if any
579                                 if ($errorMsg) {
580                                         $this->execute($par, 'preview', $errorMsg);
581                                         return;
582                                 }
583
584                                 // Save entry
585                                 $dbr = wfGetDB(DB_MASTER);
586                                 $dbr->insert(
587                                         'wrreport', 
588                                         array(
589                                                 'page_id' => $page_id, 
590                                                 'page_title' => $page_title, 
591                                                 'date_report' => $date_report, 
592                                                 'date_entry' => date('c'),
593                                                 'date_invalid' => date('c', strtotime('+9 days')),
594                                                 $cond => $condition,
595                                                 'description' => $description,
596                                                 'author_name' => $author_name,
597                                                 'author_ip' => $_SERVER['REMOTE_ADDR'],
598                                                 'author_userid' => $author_userid,
599                                                 'author_username' => $author_username
600                                                 // 'delete_*' => // use database defaults (NULL)
601                                         )
602                                 );
603
604                                 // Purge cache
605                                 $title->invalidateCache();
606                                 wrRecacheRegions();                             
607
608                                 // Show success message
609                                 global $wrShowReportsSection;
610                                 $wgOut->addWikiText(utf8_encode('<div class="successbox">Der Bahnbericht für [[') . $page_title . '#' . $wrShowReportsSection . '|' . $page_title . utf8_encode("]] wurde erfolgreich gespeichert.</div>\n"));
611                                 // We could redirect to result with the following line but we don't want to.
612                                 // $wgOut->redirect($title->getFullURL() . '#Eintr.C3.A4ge');
613                         }
614                         if ($action == 'preview') {
615                                 $wgOut->addWikiText(utf8_encode("== Vorschau (noch nicht gespeichert) ==\n"));
616                                 $format = WRREPORT_COMPACT_PAGE;
617                                 $row = array_fill_keys(wrReportGetColumnNames(), NULL);
618                                 $row['page_title'] = $page_title;
619                                 $row['date_report'] = $date_report;
620                                 $row['condition'] = $condition;
621                                 $row['description'] = $description;
622                                 $row['author_name'] = $author_name;
623                                 $wgOut->addHTML(wrReportTableRender2(array($row), $format, FALSE));
624                                 $wgOut->addWikiText(utf8_encode("== Speichern oder Ändern ==\n"));
625                                 $wgOut->addHTML(wrReportFormRender(FALSE, $page_title, $date_report, $condition, $description, $author_name));
626                         } 
627                         
628                 }
629
630                 else die('Wrong action');
631         }
632 }
633
634
635 ?>