251 lines
6.4 KiB
PHP
251 lines
6.4 KiB
PHP
<?php
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require_once("include/diaspora.php");
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/**
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* @brief add/remove activity to an item
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*
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* Toggle activities as like,dislike,attend of an item
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*
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* @param string $item_id
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* @param string $verb
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* Activity verb. One of
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* like, unlike, dislike, undislike, attendyes, unattendyes,
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* attendno, unattendno, attendmaybe, unattendmaybe
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* @hook 'post_local_end'
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* array $arr
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* 'post_id' => ID of posted item
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*/
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function do_like($item_id, $verb) {
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$a = get_app();
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if(! local_user() && ! remote_user()) {
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return false;
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}
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switch($verb) {
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case 'like':
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case 'unlike':
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$activity = ACTIVITY_LIKE;
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break;
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case 'dislike':
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case 'undislike':
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$activity = ACTIVITY_DISLIKE;
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break;
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case 'attendyes':
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case 'unattendyes':
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$activity = ACTIVITY_ATTEND;
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break;
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case 'attendno':
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case 'unattendno':
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$activity = ACTIVITY_ATTENDNO;
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break;
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case 'attendmaybe':
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case 'unattendmaybe':
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$activity = ACTIVITY_ATTENDMAYBE;
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break;
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default:
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return false;
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break;
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}
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logger('like: verb ' . $verb . ' item ' . $item_id);
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$r = q("SELECT * FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
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dbesc($item_id),
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dbesc($item_id)
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);
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if(! $item_id || (! count($r))) {
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logger('like: no item ' . $item_id);
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return false;
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}
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$item = $r[0];
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$owner_uid = $item['uid'];
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if(! can_write_wall($a,$owner_uid)) {
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return false;
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}
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$remote_owner = null;
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if(! $item['wall']) {
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// The top level post may have been written by somebody on another system
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$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
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intval($item['contact-id']),
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intval($item['uid'])
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);
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if(! count($r))
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return false;
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if(! $r[0]['self'])
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$remote_owner = $r[0];
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}
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// this represents the post owner on this system.
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$r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
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WHERE `contact`.`self` = 1 AND `contact`.`uid` = %d LIMIT 1",
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intval($owner_uid)
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);
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if(count($r))
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$owner = $r[0];
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if(! $owner) {
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logger('like: no owner');
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return false;
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}
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if(! $remote_owner)
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$remote_owner = $owner;
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// This represents the person posting
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if((local_user()) && (local_user() == $owner_uid)) {
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$contact = $owner;
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}
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else {
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$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
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intval($_SESSION['visitor_id']),
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intval($owner_uid)
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);
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if(count($r))
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$contact = $r[0];
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}
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if(! $contact) {
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return false;
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}
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$verbs = " '".dbesc($activity)."' ";
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// event participation are essentially radio toggles. If you make a subsequent choice,
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// we need to eradicate your first choice.
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if($activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE) {
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$verbs = " '" . dbesc(ACTIVITY_ATTEND) . "','" . dbesc(ACTIVITY_ATTENDNO) . "','" . dbesc(ACTIVITY_ATTENDMAYBE) . "' ";
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}
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$r = q("SELECT `id`, `guid` FROM `item` WHERE `verb` IN ( $verbs ) AND `deleted` = 0
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AND `contact-id` = %d AND `uid` = %d
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AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s') LIMIT 1",
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intval($contact['id']), intval($owner_uid),
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dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
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);
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if(count($r)) {
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$like_item = $r[0];
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// Already voted, undo it
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$r = q("UPDATE `item` SET `deleted` = 1, `unseen` = 1, `changed` = '%s' WHERE `id` = %d",
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dbesc(datetime_convert()),
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intval($like_item['id'])
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);
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// Clean up the Diaspora signatures for this like
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// Go ahead and do it even if Diaspora support is disabled. We still want to clean up
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// if it had been enabled in the past
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$r = q("DELETE FROM `sign` WHERE `iid` = %d",
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intval($like_item['id'])
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);
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$like_item_id = $like_item['id'];
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proc_run('php',"include/notifier.php","like","$like_item_id");
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return true;
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}
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$uri = item_new_uri($a->get_hostname(),$owner_uid);
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$post_type = (($item['resource-id']) ? t('photo') : t('status'));
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if($item['obj_type'] === ACTIVITY_OBJ_EVENT)
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$post_type = t('event');
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$objtype = (($item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
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$link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . '" />' . "\n") ;
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$body = $item['body'];
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$obj = <<< EOT
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<object>
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<type>$objtype</type>
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<local>1</local>
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<id>{$item['uri']}</id>
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<link>$link</link>
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<title></title>
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<content>$body</content>
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</object>
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EOT;
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if($verb === 'like')
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$bodyverb = t('%1$s likes %2$s\'s %3$s');
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if($verb === 'dislike')
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$bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
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if($verb === 'attendyes')
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$bodyverb = t('%1$s is attending %2$s\'s %3$s');
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if($verb === 'attendno')
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$bodyverb = t('%1$s is not attending %2$s\'s %3$s');
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if($verb === 'attendmaybe')
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$bodyverb = t('%1$s may attend %2$s\'s %3$s');
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if(! isset($bodyverb))
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return false;
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$arr = array();
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$arr['guid'] = get_guid(32);
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$arr['uri'] = $uri;
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$arr['uid'] = $owner_uid;
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$arr['contact-id'] = $contact['id'];
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$arr['type'] = 'activity';
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$arr['wall'] = $item['wall'];
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$arr['origin'] = 1;
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$arr['gravity'] = GRAVITY_LIKE;
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$arr['parent'] = $item['id'];
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$arr['parent-uri'] = $item['uri'];
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$arr['thr-parent'] = $item['uri'];
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$arr['owner-name'] = $remote_owner['name'];
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$arr['owner-link'] = $remote_owner['url'];
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$arr['owner-avatar'] = $remote_owner['thumb'];
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$arr['author-name'] = $contact['name'];
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$arr['author-link'] = $contact['url'];
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$arr['author-avatar'] = $contact['thumb'];
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$ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
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$alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
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$plink = '[url=' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
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$arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
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$arr['verb'] = $activity;
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$arr['object-type'] = $objtype;
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$arr['object'] = $obj;
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$arr['allow_cid'] = $item['allow_cid'];
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$arr['allow_gid'] = $item['allow_gid'];
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$arr['deny_cid'] = $item['deny_cid'];
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$arr['deny_gid'] = $item['deny_gid'];
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$arr['visible'] = 1;
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$arr['unseen'] = 1;
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$arr['last-child'] = 0;
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$post_id = item_store($arr);
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if(! $item['visible']) {
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$r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d AND `uid` = %d",
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intval($item['id']),
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intval($owner_uid)
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);
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}
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// Save the author information for the like in case we need to relay to Diaspora
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diaspora::store_like_signature($contact, $post_id);
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$arr['id'] = $post_id;
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call_hooks('post_local_end', $arr);
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proc_run('php',"include/notifier.php","like","$post_id");
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return true;
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}
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