1 | <?php |
---|
2 | // +-----------------------------------------------------------------------+ |
---|
3 | // | PhpWebGallery - a PHP based picture gallery | |
---|
4 | // | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net | |
---|
5 | // | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net | |
---|
6 | // +-----------------------------------------------------------------------+ |
---|
7 | // | branch : BSF (Best So Far) |
---|
8 | // | file : $RCSfile$ |
---|
9 | // | last update : $Date: 2006-05-31 21:36:09 +0000 (Wed, 31 May 2006) $ |
---|
10 | // | last modifier : $Author: plg $ |
---|
11 | // | revision : $Revision: 1330 $ |
---|
12 | // +-----------------------------------------------------------------------+ |
---|
13 | // | This program is free software; you can redistribute it and/or modify | |
---|
14 | // | it under the terms of the GNU General Public License as published by | |
---|
15 | // | the Free Software Foundation | |
---|
16 | // | | |
---|
17 | // | This program is distributed in the hope that it will be useful, but | |
---|
18 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
---|
19 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
---|
20 | // | General Public License for more details. | |
---|
21 | // | | |
---|
22 | // | You should have received a copy of the GNU General Public License | |
---|
23 | // | along with this program; if not, write to the Free Software | |
---|
24 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
---|
25 | // | USA. | |
---|
26 | // +-----------------------------------------------------------------------+ |
---|
27 | |
---|
28 | define('PHPWG_ROOT_PATH','./'); |
---|
29 | include_once(PHPWG_ROOT_PATH.'include/common.inc.php'); |
---|
30 | |
---|
31 | // +-----------------------------------------------------------------------+ |
---|
32 | // | functions | |
---|
33 | // +-----------------------------------------------------------------------+ |
---|
34 | |
---|
35 | /** |
---|
36 | * new comments between two dates, according to authorized categories |
---|
37 | * |
---|
38 | * @param string start (mysql datetime format) |
---|
39 | * @param string end (mysql datetime format) |
---|
40 | * @param string forbidden categories (comma separated) |
---|
41 | * @return array comment ids |
---|
42 | */ |
---|
43 | function new_comments($start, $end) |
---|
44 | { |
---|
45 | global $user; |
---|
46 | |
---|
47 | $query = ' |
---|
48 | SELECT DISTINCT c.id AS comment_id |
---|
49 | FROM '.COMMENTS_TABLE.' AS c |
---|
50 | , '.IMAGE_CATEGORY_TABLE.' AS ic |
---|
51 | WHERE c.image_id = ic.image_id |
---|
52 | AND c.validation_date > \''.$start.'\' |
---|
53 | AND c.validation_date <= \''.$end.'\' |
---|
54 | AND category_id NOT IN ('.$user['forbidden_categories'].') |
---|
55 | ;'; |
---|
56 | return array_from_query($query, 'comment_id'); |
---|
57 | } |
---|
58 | |
---|
59 | /** |
---|
60 | * unvalidated at a precise date |
---|
61 | * |
---|
62 | * Comments that are registered and not validated yet on a precise date |
---|
63 | * |
---|
64 | * @param string date (mysql datetime format) |
---|
65 | * @return array comment ids |
---|
66 | */ |
---|
67 | function unvalidated_comments($date) |
---|
68 | { |
---|
69 | $query = ' |
---|
70 | SELECT DISTINCT id |
---|
71 | FROM '.COMMENTS_TABLE.' |
---|
72 | WHERE date <= \''.$date.'\' |
---|
73 | AND (validated = \'false\' |
---|
74 | OR validation_date > \''.$date.'\') |
---|
75 | ;'; |
---|
76 | return array_from_query($query, 'id'); |
---|
77 | } |
---|
78 | |
---|
79 | /** |
---|
80 | * new elements between two dates, according to authorized categories |
---|
81 | * |
---|
82 | * @param string start (mysql datetime format) |
---|
83 | * @param string end (mysql datetime format) |
---|
84 | * @param string forbidden categories (comma separated) |
---|
85 | * @return array element ids |
---|
86 | */ |
---|
87 | function new_elements($start, $end) |
---|
88 | { |
---|
89 | global $user; |
---|
90 | |
---|
91 | $query = ' |
---|
92 | SELECT DISTINCT image_id |
---|
93 | FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON image_id = id |
---|
94 | WHERE date_available > \''.$start.'\' |
---|
95 | AND date_available <= \''.$end.'\' |
---|
96 | AND category_id NOT IN ('.$user['forbidden_categories'].') |
---|
97 | ;'; |
---|
98 | return array_from_query($query, 'image_id'); |
---|
99 | } |
---|
100 | |
---|
101 | /** |
---|
102 | * updated categories between two dates, according to authorized categories |
---|
103 | * |
---|
104 | * @param string start (mysql datetime format) |
---|
105 | * @param string end (mysql datetime format) |
---|
106 | * @param string forbidden categories (comma separated) |
---|
107 | * @return array element ids |
---|
108 | */ |
---|
109 | function updated_categories($start, $end) |
---|
110 | { |
---|
111 | global $user; |
---|
112 | |
---|
113 | $query = ' |
---|
114 | SELECT DISTINCT category_id |
---|
115 | FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON image_id = id |
---|
116 | WHERE date_available > \''.$start.'\' |
---|
117 | AND date_available <= \''.$end.'\' |
---|
118 | AND category_id NOT IN ('.$user['forbidden_categories'].') |
---|
119 | ;'; |
---|
120 | return array_from_query($query, 'category_id'); |
---|
121 | } |
---|
122 | |
---|
123 | /** |
---|
124 | * new registered users between two dates |
---|
125 | * |
---|
126 | * @param string start (mysql datetime format) |
---|
127 | * @param string end (mysql datetime format) |
---|
128 | * @return array user ids |
---|
129 | */ |
---|
130 | function new_users($start, $end) |
---|
131 | { |
---|
132 | $query = ' |
---|
133 | SELECT user_id |
---|
134 | FROM '.USER_INFOS_TABLE.' |
---|
135 | WHERE registration_date > \''.$start.'\' |
---|
136 | AND registration_date <= \''.$end.'\' |
---|
137 | ;'; |
---|
138 | return array_from_query($query, 'user_id'); |
---|
139 | } |
---|
140 | |
---|
141 | /** |
---|
142 | * currently waiting pictures |
---|
143 | * |
---|
144 | * @return array waiting ids |
---|
145 | */ |
---|
146 | function waiting_elements() |
---|
147 | { |
---|
148 | $query = ' |
---|
149 | SELECT id |
---|
150 | FROM '.WAITING_TABLE.' |
---|
151 | WHERE validated = \'false\' |
---|
152 | ;'; |
---|
153 | |
---|
154 | return array_from_query($query, 'id'); |
---|
155 | } |
---|
156 | |
---|
157 | /** |
---|
158 | * What's new between two dates ? |
---|
159 | * |
---|
160 | * Informations : number of new comments, number of new elements, number of |
---|
161 | * updated categories. Administrators are also informed about : number of |
---|
162 | * unvalidated comments, number of new users (TODO : number of unvalidated |
---|
163 | * elements) |
---|
164 | * |
---|
165 | * @param string start date (mysql datetime format) |
---|
166 | * @param string end date (mysql datetime format) |
---|
167 | */ |
---|
168 | function news($start, $end) |
---|
169 | { |
---|
170 | global $user; |
---|
171 | |
---|
172 | $news = array(); |
---|
173 | |
---|
174 | $nb_new_comments = count(new_comments($start, $end)); |
---|
175 | if ($nb_new_comments > 0) |
---|
176 | { |
---|
177 | array_push($news, sprintf(l10n('%d new comments'), $nb_new_comments)); |
---|
178 | } |
---|
179 | |
---|
180 | $nb_new_elements = count(new_elements($start, $end)); |
---|
181 | if ($nb_new_elements > 0) |
---|
182 | { |
---|
183 | array_push($news, sprintf(l10n('%d new elements'), $nb_new_elements)); |
---|
184 | } |
---|
185 | |
---|
186 | $nb_updated_categories = count(updated_categories($start, $end)); |
---|
187 | if ($nb_updated_categories > 0) |
---|
188 | { |
---|
189 | array_push($news, sprintf(l10n('%d categories updated'), |
---|
190 | $nb_updated_categories)); |
---|
191 | } |
---|
192 | |
---|
193 | if ('admin' == $user['status']) |
---|
194 | { |
---|
195 | $nb_unvalidated_comments = count(unvalidated_comments($end)); |
---|
196 | if ($nb_unvalidated_comments > 0) |
---|
197 | { |
---|
198 | array_push($news, sprintf(l10n('%d comments to validate'), |
---|
199 | $nb_unvalidated_comments)); |
---|
200 | } |
---|
201 | |
---|
202 | $nb_new_users = count(new_users($start, $end)); |
---|
203 | if ($nb_new_users > 0) |
---|
204 | { |
---|
205 | array_push($news, sprintf(l10n('%d new users'), $nb_new_users)); |
---|
206 | } |
---|
207 | |
---|
208 | $nb_waiting_elements = count(waiting_elements()); |
---|
209 | if ($nb_waiting_elements > 0) |
---|
210 | { |
---|
211 | array_push( |
---|
212 | $news, |
---|
213 | sprintf( |
---|
214 | l10n('%d waiting elements'), |
---|
215 | $nb_waiting_elements |
---|
216 | ) |
---|
217 | ); |
---|
218 | } |
---|
219 | } |
---|
220 | |
---|
221 | return $news; |
---|
222 | } |
---|
223 | |
---|
224 | /** |
---|
225 | * explodes a MySQL datetime format (2005-07-14 23:01:37) in fields "year", |
---|
226 | * "month", "day", "hour", "minute", "second". |
---|
227 | * |
---|
228 | * @param string mysql datetime format |
---|
229 | * @return array |
---|
230 | */ |
---|
231 | function explode_mysqldt($mysqldt) |
---|
232 | { |
---|
233 | $date = array(); |
---|
234 | list($date['year'], |
---|
235 | $date['month'], |
---|
236 | $date['day'], |
---|
237 | $date['hour'], |
---|
238 | $date['minute'], |
---|
239 | $date['second']) |
---|
240 | = preg_split('/[-: ]/', $mysqldt); |
---|
241 | |
---|
242 | return $date; |
---|
243 | } |
---|
244 | |
---|
245 | /** |
---|
246 | * creates a Unix timestamp (number of seconds since 1970-01-01 00:00:00 |
---|
247 | * GMT) from a MySQL datetime format (2005-07-14 23:01:37) |
---|
248 | * |
---|
249 | * @param string mysql datetime format |
---|
250 | * @return int timestamp |
---|
251 | */ |
---|
252 | function mysqldt_to_ts($mysqldt) |
---|
253 | { |
---|
254 | $date = explode_mysqldt($mysqldt); |
---|
255 | return mktime($date['hour'], $date['minute'], $date['second'], |
---|
256 | $date['month'], $date['day'], $date['year']); |
---|
257 | } |
---|
258 | |
---|
259 | /** |
---|
260 | * creates an ISO 8601 format date (2003-01-20T18:05:41+04:00) from Unix |
---|
261 | * timestamp (number of seconds since 1970-01-01 00:00:00 GMT) |
---|
262 | * |
---|
263 | * function copied from Dotclear project http://dotclear.net |
---|
264 | * |
---|
265 | * @param int timestamp |
---|
266 | * @return string ISO 8601 date format |
---|
267 | */ |
---|
268 | function ts_to_iso8601($ts) |
---|
269 | { |
---|
270 | $tz = date('O',$ts); |
---|
271 | $tz = substr($tz, 0, -2).':'.substr($tz, -2); |
---|
272 | return date('Y-m-d\\TH:i:s',$ts).$tz; |
---|
273 | } |
---|
274 | |
---|
275 | // +-----------------------------------------------------------------------+ |
---|
276 | // | initialization | |
---|
277 | // +-----------------------------------------------------------------------+ |
---|
278 | |
---|
279 | // clean $user array (include/user.inc.php has been executed) |
---|
280 | $user = array(); |
---|
281 | |
---|
282 | // echo '<pre>'.generate_key(50).'</pre>'; |
---|
283 | if (isset($_GET['feed']) |
---|
284 | and preg_match('/^[A-Za-z0-9]{50}$/', $_GET['feed'])) |
---|
285 | { |
---|
286 | $query = ' |
---|
287 | SELECT uf.user_id AS id, |
---|
288 | ui.status, |
---|
289 | uf.last_check, |
---|
290 | u.'.$conf['user_fields']['username'].' AS username |
---|
291 | FROM '.USER_FEED_TABLE.' AS uf |
---|
292 | INNER JOIN '.USER_INFOS_TABLE.' AS ui |
---|
293 | ON ui.user_id = uf.user_id |
---|
294 | INNER JOIN '.USERS_TABLE.' AS u |
---|
295 | ON u.'.$conf['user_fields']['id'].' = uf.user_id |
---|
296 | WHERE uf.id = \''.$_GET['feed'].'\' |
---|
297 | ;'; |
---|
298 | $user = mysql_fetch_array(pwg_query($query)); |
---|
299 | } |
---|
300 | else |
---|
301 | { |
---|
302 | echo l10n('Unknown feed identifier'); |
---|
303 | exit(); |
---|
304 | } |
---|
305 | |
---|
306 | $user['forbidden_categories'] = calculate_permissions($user['id'], |
---|
307 | $user['status']); |
---|
308 | if ('' == $user['forbidden_categories']) |
---|
309 | { |
---|
310 | $user['forbidden_categories'] = '0'; |
---|
311 | } |
---|
312 | |
---|
313 | list($dbnow) = mysql_fetch_row(pwg_query('SELECT NOW();')); |
---|
314 | |
---|
315 | include_once(PHPWG_ROOT_PATH.'include/feedcreator.class.php'); |
---|
316 | |
---|
317 | $rss = new UniversalFeedCreator(); |
---|
318 | |
---|
319 | $rss->title = $conf['gallery_title'].', notifications'; |
---|
320 | $rss->title.= ' (as '.$user['username'].')'; |
---|
321 | |
---|
322 | $rss->link = $conf['gallery_url']; |
---|
323 | |
---|
324 | // +-----------------------------------------------------------------------+ |
---|
325 | // | Feed creation | |
---|
326 | // +-----------------------------------------------------------------------+ |
---|
327 | |
---|
328 | $news = news($user['last_check'], $dbnow); |
---|
329 | |
---|
330 | if (count($news) > 0) |
---|
331 | { |
---|
332 | $item = new FeedItem(); |
---|
333 | $item->title = sprintf(l10n('New on %s'), $dbnow); |
---|
334 | $item->link = $conf['gallery_url']; |
---|
335 | |
---|
336 | // content creation |
---|
337 | $item->description = '<ul>'; |
---|
338 | foreach ($news as $line) |
---|
339 | { |
---|
340 | $item->description.= '<li>'.$line.'</li>'; |
---|
341 | } |
---|
342 | $item->description.= '</ul>'; |
---|
343 | $item->descriptionHtmlSyndicated = true; |
---|
344 | |
---|
345 | $item->date = ts_to_iso8601(mysqldt_to_ts($dbnow)); |
---|
346 | $item->author = 'PhpWebGallery notifier'; |
---|
347 | |
---|
348 | $rss->addItem($item); |
---|
349 | } |
---|
350 | |
---|
351 | $query = ' |
---|
352 | UPDATE '.USER_FEED_TABLE.' |
---|
353 | SET last_check = \''.$dbnow.'\' |
---|
354 | WHERE id = \''.$_GET['feed'].'\' |
---|
355 | ;'; |
---|
356 | pwg_query($query); |
---|
357 | |
---|
358 | // send XML feed |
---|
359 | echo $rss->saveFeed('RSS2.0', '', true); |
---|
360 | ?> |
---|