<?php
require_once('include/items.php');
require_once('include/group.php');
require_once('include/contact_widgets.php');
require_once('include/conversation.php');
require_once('include/acl_selectors.php');
function network_init(&$a) {
if(! local_user()) {
notice( t('Permission denied.') . EOL);
return;
}
$channel = $a->get_channel();
$a->profile_uid = local_user();
head_set_icon($channel['xchan_photo_s']);
}
function network_content(&$a, $update = 0, $load = false) {
if(! local_user()) {
$_SESSION['return_url'] = $a->query_string;
return login(false);
}
$arr = array('query' => $a->query_string);
call_hooks('network_content_init', $arr);
$channel = $a->get_channel();
$datequery = $datequery2 = '';
$group = 0;
$nouveau = false;
$datequery = ((x($_GET,'dend') && is_a_date_arg($_GET['dend'])) ? notags($_GET['dend']) : '');
$datequery2 = ((x($_GET,'dbegin') && is_a_date_arg($_GET['dbegin'])) ? notags($_GET['dbegin']) : '');
$nouveau = ((x($_GET,'new')) ? intval($_GET['new']) : 0);
$gid = ((x($_GET,'gid')) ? intval($_GET['gid']) : 0);
$category = ((x($_REQUEST,'cat')) ? $_REQUEST['cat'] : '');
$hashtags = ((x($_REQUEST,'tag')) ? $_REQUEST['tag'] : '');
$verb = ((x($_REQUEST,'verb')) ? $_REQUEST['verb'] : '');
$search = (($_GET['search']) ? $_GET['search'] : '');
if($search) {
if(strpos($search,'@') === 0) {
$r = q("select abook_id from abook left join xchan on abook_xchan = xchan_hash where xchan_name = '%s' and abook_channel = %d limit 1",
dbesc(substr($search,1)),
intval(local_user())
);
if($r) {
$_GET['cid'] = $r[0]['abook_id'];
$search = $_GET['search'] = '';
}
}
elseif(strpos($search,'#') === 0) {
$hashtags = substr($search,1);
$search = $_GET['search'] = '';
}
}
if($datequery)
$_GET['order'] = 'post';
// filter by collection (e.g. group)
if($gid) {
$r = q("SELECT * FROM groups WHERE id = %d AND uid = %d LIMIT 1",
intval($gid),
intval(local_user())
);
if(! $r) {
if($update)
killme();
notice( t('No such group') . EOL );
goaway($a->get_baseurl(true) . '/network');
// NOTREACHED
}
$group = $gid;
$group_hash = $r[0]['hash'];
$def_acl = array('allow_gid' => '<' . $r[0]['hash'] . '>');
}
$o = '';
// if no tabs are selected, defaults to comments
$cid = ((x($_GET,'cid')) ? intval($_GET['cid']) : 0);
$star = ((x($_GET,'star')) ? intval($_GET['star']) : 0);
$order = ((x($_GET,'order')) ? notags($_GET['order']) : 'comment');
$liked = ((x($_GET,'liked')) ? intval($_GET['liked']) : 0);
$conv = ((x($_GET,'conv')) ? intval($_GET['conv']) : 0);
$spam = ((x($_GET,'spam')) ? intval($_GET['spam']) : 0);
$cmin = ((x($_GET,'cmin')) ? intval($_GET['cmin']) : 0);
$cmax = ((x($_GET,'cmax')) ? intval($_GET['cmax']) : 99);
$firehose = ((x($_GET,'fh')) ? intval($_GET['fh']) : 0);
$file = ((x($_GET,'file')) ? $_GET['file'] : '');
if(x($_GET,'search') || x($_GET,'file'))
$nouveau = true;
if($cid)
$def_acl = array('allow_cid' => '<' . intval($cid) . '>');
if(! $update) {
$o .= network_tabs();
// search terms header
if($search)
$o .= '<h2>' . t('Search Results For:') . ' ' . htmlspecialchars($search, ENT_COMPAT,'UTF-8') . '</h2>';
nav_set_selected('network');
$channel_acl = array(
'allow_cid' => $channel['channel_allow_cid'],
'allow_gid' => $channel['channel_allow_gid'],
'deny_cid' => $channel['channel_deny_cid'],
'deny_gid' => $channel['channel_deny_gid']
);
$x = array(
'is_owner' => true,
'allow_location' => ((intval(get_pconfig($channel['channel_id'],'system','use_browser_location'))) ? '1' : ''),
'default_location' => $channel['channel_location'],
'nickname' => $channel['channel_address'],
'lockstate' => (($group || $cid || $channel['channel_allow_cid'] || $channel['channel_allow_gid'] || $channel['channel_deny_cid'] || $channel['channel_deny_gid']) ? 'lock' : 'unlock'),
'acl' => populate_acl((($group || $cid) ? $def_acl : $channel_acl)),
'bang' => (($group || $cid) ? '!' : ''),
'visitor' => true,
'profile_uid' => local_user()
);
$o .= status_editor($a,$x);
}
// We don't have to deal with ACL's on this page. You're looking at everything
// that belongs to you, hence you can see all of it. We will filter by group if
// desired.
$sql_options = (($star)
? " and item_starred = 1 "
: '');
$sql_nets = '';
$sql_extra = " AND `item`.`parent` IN ( SELECT `parent` FROM `item` WHERE item_thread_top = 1 $sql_options ) ";
if($group) {
$contact_str = '';
$contacts = group_get_members($group);
if($contacts) {
foreach($contacts as $c) {
if($contact_str)
$contact_str .= ',';
$contact_str .= "'" . $c['xchan'] . "'";
}
}
else {
$contact_str = ' 0 ';
info( t('Collection is empty'));
}
$sql_extra = " AND item.parent IN ( SELECT DISTINCT parent FROM item WHERE true $sql_options AND (( author_xchan IN ( $contact_str ) OR owner_xchan in ( $contact_str )) or allow_gid like '" . protect_sprintf('%<' . dbesc($group_hash) . '>%') . "' ) and id = parent and item_restrict = 0 ) ";
$x = group_rec_byhash(local_user(), $group_hash);
if($x)
$o = '<h2>' . t('Collection: ') . $x['name'] . '</h2>' . $o;
}
elseif($cid) {
$r = q("SELECT abook.*, xchan.* from abook left join xchan on abook_xchan = xchan_hash where abook_id = %d and abook_channel = %d and not ( abook_flags & " . intval(ABOOK_FLAG_BLOCKED) . ") > 0 limit 1",
intval($cid),
intval(local_user())
);
if($r) {
$sql_extra = " AND item.parent IN ( SELECT DISTINCT parent FROM item WHERE true $sql_options AND uid = " . intval(local_user()) . " AND ( author_xchan = '" . dbesc($r[0]['abook_xchan']) . "' or owner_xchan = '" . dbesc($r[0]['abook_xchan']) . "' ) and item_restrict = 0 ) ";
$o = '<h2>' . t('Connection: ') . $r[0]['xchan_name'] . '</h2>' . $o;
}
else {
notice( t('Invalid connection.') . EOL);
goaway($a->get_baseurl(true) . '/network');
}
}
if(x($category)) {
$sql_extra .= protect_sprintf(term_query('item', $category, TERM_CATEGORY));
}
if(x($hashtags)) {
$sql_extra .= protect_sprintf(term_query('item', $hashtags, TERM_HASHTAG));
}
if(! $update) {
// The special div is needed for liveUpdate to kick in for this page.
// We only launch liveUpdate if you aren't filtering in some incompatible
// way and also you aren't writing a comment (discovered in javascript).
if($gid || $cid || $cmin || ($cmax != 99) || $star || $liked || $conv || $spam || $nouveau || $list)
$firehose = 0;
$maxheight = get_pconfig(local_user(),'system','network_divmore_height');
if(! $maxheight)
$maxheight = 400;
$o .= '<div id="live-network"></div>' . "\r\n";
$o .= "<script> var profile_uid = " . local_user()
. "; var profile_page = " . $a->pager['page']
. "; divmore_height = " . intval($maxheight) . "; </script>\r\n";
$a->page['htmlhead'] .= replace_macros(get_markup_template("build_query.tpl"),array(
'$baseurl' => z_root(),
'$pgtype' => 'network',
'$uid' => ((local_user()) ? local_user() : '0'),
'$gid' => (($gid) ? $gid : '0'),
'$cid' => (($cid) ? $cid : '0'),
'$cmin' => (($cmin) ? $cmin : '0'),
'$cmax' => (($cmax) ? $cmax : '0'),
'$star' => (($star) ? $star : '0'),
'$liked' => (($liked) ? $liked : '0'),
'$conv' => (($conv) ? $conv : '0'),
'$spam' => (($spam) ? $spam : '0'),
'$fh' => (($firehose) ? $firehose : '0'),
'$nouveau' => (($nouveau) ? $nouveau : '0'),
'$wall' => '0',
'$list' => ((x($_REQUEST,'list')) ? intval($_REQUEST['list']) : 0),
'$page' => (($a->pager['page'] != 1) ? $a->pager['page'] : 1),
'$search' => (($search) ? $search : ''),
'$order' => $order,
'$file' => $file,
'$cats' => $category,
'$tags' => $hashtags,
'$dend' => $datequery,
'$mid' => '',
'$verb' => $verb,
'$dbegin' => $datequery2
));
}
$sql_extra3 = '';
if($datequery) {
$sql_extra3 .= protect_sprintf(sprintf(" AND item.created <= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery))));
}
if($datequery2) {
$sql_extra3 .= protect_sprintf(sprintf(" AND item.created >= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery2))));
}
$sql_extra2 = (($nouveau) ? '' : " AND item.parent = item.id ");
$sql_extra3 = (($nouveau) ? '' : $sql_extra3);
if(x($_GET,'search')) {
$search = escape_tags($_GET['search']);
if(strpos($search,'#') === 0) {
$sql_extra .= term_query('item',substr($search,1),TERM_HASHTAG);
}
else {
$sql_extra .= sprintf(" AND item.body like '%s' ",
dbesc(protect_sprintf('%' . $search . '%'))
);
}
}
if($verb) {
$sql_extra .= sprintf(" AND item.verb like '%s' ",
dbesc(protect_sprintf('%' . $verb . '%'))
);
}
if(strlen($file)) {
$sql_extra .= term_query('item',$file,TERM_FILE);
}
if($conv) {
$sql_extra .= sprintf(" AND parent IN (SELECT distinct(parent) from item where ( author_xchan like '%s' or item_mentionsme = 1 )) ",
dbesc(protect_sprintf($channel['channel_hash']))
);
}
if($update && ! $load) {
// only setup pagination on initial page view
$pager_sql = '';
}
else {
$itemspage = get_pconfig(local_user(),'system','itemspage');
$a->set_pager_itemspage(((intval($itemspage)) ? $itemspage : 20));
$pager_sql = sprintf(" LIMIT %d OFFSET %d ", intval($a->pager['itemspage']), intval($a->pager['start']));
}
if(($cmin != 0) || ($cmax != 99)) {
// Not everybody who shows up in the network stream will be in your address book.
// By default those that aren't are assumed to have closeness = 99; but this isn't
// recorded anywhere. So if cmax is 99, we'll open the search up to anybody in
// the stream with a NULL address book entry.
$sql_nets .= " AND ";
if($cmax == 99)
$sql_nets .= " ( ";
$sql_nets .= "( abook.abook_closeness >= " . intval($cmin) . " ";
$sql_nets .= " AND abook.abook_closeness <= " . intval($cmax) . " ) ";
if($cmax == 99)
$sql_nets .= " OR abook.abook_closeness IS NULL ) ";
}
if($firehose && (! get_config('system','disable_discover_tab'))) {
require_once('include/identity.php');
$sys = get_sys_channel();
$uids = " and item.uid = " . intval($sys['channel_id']) . " ";
$a->data['firehose'] = intval($sys['channel_id']);
}
else {
$uids = " and item.uid = " . local_user() . " ";
}
if(get_pconfig(local_user(),'system','network_list_mode'))
$page_mode = 'list';
else
$page_mode = 'client';
$simple_update = (($update) ? " and item.item_unseen = 1 " : '');
// This fixes a very subtle bug so I'd better explain it. You wake up in the morning or return after a day
// or three and look at your matrix page - after opening up your browser. The first page loads just as it
// should. All of a sudden a few seconds later, page 2 will get inserted at the beginning of the page
// (before the page 1 content). The update code is actually doing just what it's supposed
// to, it's fetching posts that have the ITEM_UNSEEN bit set. But the reason that page 2 content is being
// returned in an UPDATE is because you hadn't gotten that far yet - you're still on page 1 and everything
// that we loaded for page 1 is now marked as seen. But the stuff on page 2 hasn't been. So... it's being
// treated as "new fresh" content because it is unseen. We need to distinguish it somehow from content
// which "arrived as you were reading page 1". We're going to do this
// by storing in your session the current UTC time whenever you LOAD a network page, and only UPDATE items
// which are both ITEM_UNSEEN and have "changed" since that time. Cross fingers...
if($update && $_SESSION['loadtime'])
$simple_update .= " and item.changed > '" . datetime_convert('UTC','UTC',$_SESSION['loadtime']) . "' ";
if($load)
$simple_update = '';
if($nouveau && $load) {
// "New Item View" - show all items unthreaded in reverse created date order
$items = q("SELECT item.*, item.id AS item_id, received FROM item
WHERE true $uids AND item_restrict = 0
$simple_update
$sql_extra $sql_nets
ORDER BY item.received DESC $pager_sql "
);
require_once('include/items.php');
xchan_query($items);
$items = fetch_post_tags($items,true);
}
elseif($update) {
// Normal conversation view
if($order === 'post')
$ordering = "created";
else
$ordering = "commented";
if($load) {
$_SESSION['loadtime'] = datetime_convert();
// Fetch a page full of parent items for this page
$r = q("SELECT distinct item.id AS item_id, $ordering FROM item
left join abook on item.author_xchan = abook.abook_xchan
WHERE true $uids AND item.item_restrict = 0
AND item.parent = item.id
and ((abook.abook_flags & %d) = 0 or abook.abook_flags is null)
$sql_extra3 $sql_extra $sql_nets
ORDER BY $ordering DESC $pager_sql ",
intval(ABOOK_FLAG_BLOCKED)
);
}
else {
if(! $firehose) {
// update
$r = q("SELECT item.parent AS item_id FROM item
left join abook on item.author_xchan = abook.abook_xchan
WHERE true $uids AND item.item_restrict = 0 $simple_update
and ((abook.abook_flags & %d) = 0 or abook.abook_flags is null)
$sql_extra3 $sql_extra $sql_nets ",
intval(ABOOK_FLAG_BLOCKED)
);
}
}
// Then fetch all the children of the parents that are on this page
$parents_str = '';
$update_unseen = '';
if($r) {
$parents_str = ids_to_querystr($r,'item_id');
$items = q("SELECT item.*, item.id AS item_id FROM item
WHERE true $uids AND item.item_restrict = 0
AND item.parent IN ( %s )
$sql_extra ",
dbesc($parents_str)
);
xchan_query($items,true,(($firehose) ? local_user() : 0));
$items = fetch_post_tags($items,true);
$items = conv_sort($items,$ordering);
}
else {
$items = array();
}
if($page_mode === 'list') {
/**
* in "list mode", only mark the parent item and any like activities as "seen".
* We won't distinguish between comment likes and post likes. The important thing
* is that the number of unseen comments will be accurate. The SQL to separate the
* comment likes could also get somewhat hairy.
*/
if($parents_str) {
$update_unseen = " AND ( id IN ( " . dbesc($parents_str) . " )";
$update_unseen .= " OR ( parent IN ( " . dbesc($parents_str) . " ) AND verb in ( '" . dbesc(ACTIVITY_LIKE) . "','" . dbesc(ACTIVITY_DISLIKE) . "' ))) ";
}
}
else {
if($parents_str) {
$update_unseen = " AND parent IN ( " . dbesc($parents_str) . " )";
}
}
}
if(($update_unseen) && (! $firehose))
$r = q("UPDATE item SET item_unseen = 0 WHERE item_unseen = 1 AND uid = %d $update_unseen ",
intval(local_user())
);
$mode = (($nouveau) ? 'network-new' : 'network');
$o .= conversation($a,$items,$mode,$update,$page_mode);
if(($items) && (! $update))
$o .= alt_pager($a,count($items));
return $o;
}
