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(! $item_id || (! count($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']),
84 $remote_owner = $r[0];
87 // this represents the post owner on this system.
89 $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
90 WHERE `contact`.`self` = 1 AND `contact`.`uid` = %d LIMIT 1",
97 logger('like: no owner');
102 $remote_owner = $owner;
105 // This represents the person posting
107 if((local_user()) && (local_user() == $owner_uid)) {
111 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
112 intval($_SESSION['visitor_id']),
123 $verbs = " '".dbesc($activity)."' ";
125 // event participation are essentially radio toggles. If you make a subsequent choice,
126 // we need to eradicate your first choice.
127 if($activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE) {
128 $verbs = " '" . dbesc(ACTIVITY_ATTEND) . "','" . dbesc(ACTIVITY_ATTENDNO) . "','" . dbesc(ACTIVITY_ATTENDMAYBE) . "' ";
131 $r = q("SELECT `id`, `guid` FROM `item` WHERE `verb` IN ( $verbs ) AND `deleted` = 0
132 AND `contact-id` = %d AND `uid` = %d
133 AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s') LIMIT 1",
134 intval($contact['id']), intval($owner_uid),
135 dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
141 // Already voted, undo it
142 $r = q("UPDATE `item` SET `deleted` = 1, `unseen` = 1, `changed` = '%s' WHERE `id` = %d",
143 dbesc(datetime_convert()),
144 intval($like_item['id'])
148 // Clean up the Diaspora signatures for this like
149 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
150 // if it had been enabled in the past
151 $r = q("DELETE FROM `sign` WHERE `iid` = %d",
152 intval($like_item['id'])
155 $like_item_id = $like_item['id'];
156 proc_run(PRIORITY_HIGH, "include/notifier.php", "like", $like_item_id);
161 $uri = item_new_uri($a->get_hostname(),$owner_uid);
163 $post_type = (($item['resource-id']) ? t('photo') : t('status'));
164 if($item['object-type'] === ACTIVITY_OBJ_EVENT)
165 $post_type = t('event');
166 $objtype = (($item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
167 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . '" />' . "\n") ;
168 $body = $item['body'];
173 <type>$objtype</type>
175 <id>{$item['uri']}</id>
178 <content>$body</content>
182 $bodyverb = t('%1$s likes %2$s\'s %3$s');
183 if($verb === 'dislike')
184 $bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
185 if($verb === 'attendyes')
186 $bodyverb = t('%1$s is attending %2$s\'s %3$s');
187 if($verb === 'attendno')
188 $bodyverb = t('%1$s is not attending %2$s\'s %3$s');
189 if($verb === 'attendmaybe')
190 $bodyverb = t('%1$s may attend %2$s\'s %3$s');
192 if(! isset($bodyverb))
197 $arr['guid'] = get_guid(32);
199 $arr['uid'] = $owner_uid;
200 $arr['contact-id'] = $contact['id'];
201 $arr['type'] = 'activity';
202 $arr['wall'] = $item['wall'];
204 $arr['gravity'] = GRAVITY_LIKE;
205 $arr['parent'] = $item['id'];
206 $arr['parent-uri'] = $item['uri'];
207 $arr['thr-parent'] = $item['uri'];
208 $arr['owner-name'] = $remote_owner['name'];
209 $arr['owner-link'] = $remote_owner['url'];
210 $arr['owner-avatar'] = $remote_owner['thumb'];
211 $arr['author-name'] = $contact['name'];
212 $arr['author-link'] = $contact['url'];
213 $arr['author-avatar'] = $contact['thumb'];
215 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
216 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
217 $plink = '[url=' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
218 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
220 $arr['verb'] = $activity;
221 $arr['object-type'] = $objtype;
222 $arr['object'] = $obj;
223 $arr['allow_cid'] = $item['allow_cid'];
224 $arr['allow_gid'] = $item['allow_gid'];
225 $arr['deny_cid'] = $item['deny_cid'];
226 $arr['deny_gid'] = $item['deny_gid'];
229 $arr['last-child'] = 0;
231 $post_id = item_store($arr);
233 if(! $item['visible']) {
234 $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d AND `uid` = %d",
241 // Save the author information for the like in case we need to relay to Diaspora
242 diaspora::store_like_signature($contact, $post_id);
244 $arr['id'] = $post_id;
246 call_hooks('post_local_end', $arr);
248 proc_run(PRIORITY_HIGH, "include/notifier.php", "like", $post_id);