2 require_once("include/diaspora.php");
5 * @brief add/remove activity to an item
7 * Toggle activities as like,dislike,attend of an item
9 * @param string $item_id
11 * Activity verb. One of
12 * like, unlike, dislike, undislike, attendyes, unattendyes,
13 * attendno, unattendno, attendmaybe, unattendmaybe
14 * @hook 'post_local_end'
16 * 'post_id' => ID of posted item
18 function do_like($item_id, $verb) {
21 if(! local_user() && ! remote_user()) {
28 $activity = ACTIVITY_LIKE;
32 $activity = ACTIVITY_DISLIKE;
36 $activity = ACTIVITY_ATTEND;
40 $activity = ACTIVITY_ATTENDNO;
44 $activity = ACTIVITY_ATTENDMAYBE;
52 logger('like: verb ' . $verb . ' item ' . $item_id);
55 $r = q("SELECT * FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
60 if(! $item_id || (! dbm::is_result($r))) {
61 logger('like: no item ' . $item_id);
67 $owner_uid = $item['uid'];
69 if (! can_write_wall($a,$owner_uid)) {
76 // The top level post may have been written by somebody on another system
77 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
78 intval($item['contact-id']),
81 if (! dbm::is_result($r)) {
84 if (! $r[0]['self']) {
85 $remote_owner = $r[0];
89 // this represents the post owner on this system.
91 $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
92 WHERE `contact`.`self` = 1 AND `contact`.`uid` = %d LIMIT 1",
95 if (dbm::is_result($r)) {
100 logger('like: no owner');
104 if (! $remote_owner) {
105 $remote_owner = $owner;
108 // This represents the person posting
110 if ((local_user()) && (local_user() == $owner_uid)) {
114 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
115 intval($_SESSION['visitor_id']),
118 if (dbm::is_result($r))
126 $verbs = " '".dbesc($activity)."' ";
128 // event participation are essentially radio toggles. If you make a subsequent choice,
129 // we need to eradicate your first choice.
130 if ($activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE) {
131 $verbs = " '" . dbesc(ACTIVITY_ATTEND) . "','" . dbesc(ACTIVITY_ATTENDNO) . "','" . dbesc(ACTIVITY_ATTENDMAYBE) . "' ";
134 $r = q("SELECT `id`, `guid` FROM `item` WHERE `verb` IN ( $verbs ) AND `deleted` = 0
135 AND `contact-id` = %d AND `uid` = %d
136 AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s') LIMIT 1",
137 intval($contact['id']), intval($owner_uid),
138 dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
141 if (dbm::is_result($r)) {
144 // Already voted, undo it
145 $r = q("UPDATE `item` SET `deleted` = 1, `unseen` = 1, `changed` = '%s' WHERE `id` = %d",
146 dbesc(datetime_convert()),
147 intval($like_item['id'])
151 // Clean up the Diaspora signatures for this like
152 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
153 // if it had been enabled in the past
154 $r = q("DELETE FROM `sign` WHERE `iid` = %d",
155 intval($like_item['id'])
158 $like_item_id = $like_item['id'];
159 proc_run(PRIORITY_HIGH, "include/notifier.php", "like", $like_item_id);
164 $uri = item_new_uri($a->get_hostname(),$owner_uid);
166 $post_type = (($item['resource-id']) ? t('photo') : t('status'));
167 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
168 $post_type = t('event');
170 $objtype = (($item['resource-id']) ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE );
171 $link = xmlify('<link rel="alternate" type="text/html" href="' . App::get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . '" />' . "\n") ;
172 $body = $item['body'];
177 <type>$objtype</type>
179 <id>{$item['uri']}</id>
182 <content>$body</content>
185 if ($verb === 'like') {
186 $bodyverb = t('%1$s likes %2$s\'s %3$s');
188 if ($verb === 'dislike') {
189 $bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
191 if ($verb === 'attendyes') {
192 $bodyverb = t('%1$s is attending %2$s\'s %3$s');
194 if ($verb === 'attendno') {
195 $bodyverb = t('%1$s is not attending %2$s\'s %3$s');
197 if ($verb === 'attendmaybe') {
198 $bodyverb = t('%1$s may attend %2$s\'s %3$s');
201 if (! isset($bodyverb)) {
205 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
206 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
207 $plink = '[url=' . App::get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
209 /// @TODO Or rewrite this to multi-line initialization of the array?
212 $arr['guid'] = get_guid(32);
214 $arr['uid'] = $owner_uid;
215 $arr['contact-id'] = $contact['id'];
216 $arr['type'] = 'activity';
217 $arr['wall'] = $item['wall'];
219 $arr['gravity'] = GRAVITY_LIKE;
220 $arr['parent'] = $item['id'];
221 $arr['parent-uri'] = $item['uri'];
222 $arr['thr-parent'] = $item['uri'];
223 $arr['owner-name'] = $remote_owner['name'];
224 $arr['owner-link'] = $remote_owner['url'];
225 $arr['owner-avatar'] = $remote_owner['thumb'];
226 $arr['author-name'] = $contact['name'];
227 $arr['author-link'] = $contact['url'];
228 $arr['author-avatar'] = $contact['thumb'];
229 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
230 $arr['verb'] = $activity;
231 $arr['object-type'] = $objtype;
232 $arr['object'] = $obj;
233 $arr['allow_cid'] = $item['allow_cid'];
234 $arr['allow_gid'] = $item['allow_gid'];
235 $arr['deny_cid'] = $item['deny_cid'];
236 $arr['deny_gid'] = $item['deny_gid'];
239 $arr['last-child'] = 0;
241 $post_id = item_store($arr);
243 if (! $item['visible']) {
244 $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d AND `uid` = %d",
251 // Save the author information for the like in case we need to relay to Diaspora
252 diaspora::store_like_signature($contact, $post_id);
254 $arr['id'] = $post_id;
256 call_hooks('post_local_end', $arr);
258 proc_run(PRIORITY_HIGH, "include/notifier.php", "like", $post_id);