gnu-social/lib/gallery.php

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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
require_once(INSTALLDIR.'/lib/profilelist.php');
# 10x8
define('AVATARS_PER_PAGE', 80);
class GalleryAction extends Action {
function is_readonly() {
return true;
}
function handle($args) {
parent::handle($args);
# Post from the tag dropdown; redirect to a GET
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
common_redirect($this->self_url(), 307);
}
$nickname = common_canonical_nickname($this->arg('nickname'));
$user = User::staticGet('nickname', $nickname);
if (!$user) {
$this->no_such_user();
return;
}
$profile = $user->getProfile();
if (!$profile) {
$this->server_error(_('User without matching profile in system.'));
return;
}
$page = $this->arg('page');
if (!$page) {
$page = 1;
}
$display = $this->arg('display');
if (!$display) {
$display = 'list';
}
$tag = $this->arg('tag');
common_show_header($profile->nickname . ": " . $this->gallery_type(),
NULL, $profile,
array($this, 'show_top'));
$this->display_links($profile, $page, $display);
$this->show_tags_dropdown($profile);
$this->show_gallery($profile, $page, $display, $tag);
common_show_footer();
}
function no_such_user() {
$this->client_error(_('No such user.'));
}
function show_tags_dropdown($profile) {
$tag = $this->trimmed('tag');
list($lst, $usr) = $this->fields();
$tags = $this->get_all_tags($profile, $lst, $usr);
$content = array();
foreach ($tags as $t) {
$content[$t] = $t;
}
if ($tags) {
common_element_start('dl', array('id'=>'filter_tags'));
common_element('dt', null, _('Filter tags'));
common_element_start('dd');
common_element_start('ul');
common_element_start('li', array('id'=>'filter_tags_all', 'class'=>'child_1'));
common_element('a', array('href' => common_local_url($this->trimmed('action'),
array('nickname' => $profile->nickname))),
_('All'));
common_element_end('li');
common_element_start('li', array('id'=>'filter_tags_item'));
common_element_start('form', array('name' => 'bytag', 'id' => 'bytag', 'method' => 'post'));
common_dropdown('tag', _('Tag'), $content,
_('Choose a tag to narrow list'), FALSE, $tag);
common_submit('go', _('Go'));
common_element_end('form');
common_element_end('li');
common_element_end('ul');
common_element_end('dd');
common_element_end('dl');
}
}
function show_top($profile) {
common_element('div', 'instructions',
$this->get_instructions($profile));
}
function show_gallery($profile, $page, $display='list', $tag=NULL) {
$other = new Profile();
list($lst, $usr) = $this->fields();
$per_page = ($display == 'list') ? PROFILES_PER_PAGE : AVATARS_PER_PAGE;
$offset = ($page-1)*$per_page;
$limit = $per_page + 1;
if (common_config('db','type') == 'pgsql') {
$lim = ' LIMIT ' . $limit . ' OFFSET ' . $offset;
} else {
$lim = ' LIMIT ' . $offset . ', ' . $limit;
}
# XXX: memcached results
# FIXME: SQL injection on $tag
$other->query('SELECT profile.* ' .
'FROM profile JOIN subscription ' .
'ON profile.id = subscription.' . $lst . ' ' .
(($tag) ? 'JOIN profile_tag ON (profile.id = profile_tag.tagged AND subscription.'.$usr.'= profile_tag.tagger) ' : '') .
'WHERE ' . $usr . ' = ' . $profile->id . ' ' .
'AND subscriber != subscribed ' .
(($tag) ? 'AND profile_tag.tag= "' . $tag . '" ': '') .
'ORDER BY subscription.created DESC, profile.id DESC ' .
$lim);
if ($display == 'list') {
$profile_list = new ProfileList($other, $profile, $this->trimmed('action'));
$cnt = $profile_list->show_list();
} else {
$cnt = $this->icon_list($other);
}
# For building the pagination URLs
$args = array('nickname' => $profile->nickname);
if ($display != 'list') {
$args['display'] = $display;
}
common_pagination($page > 1,
$cnt > $per_page,
$page,
$this->trimmed('action'),
$args);
}
function icon_list($other) {
common_element_start('ul', $this->div_class());
$cnt = 0;
while ($other->fetch()) {
$cnt++;
if ($cnt > AVATARS_PER_PAGE) {
break;
}
common_element_start('li');
common_element_start('a', array('title' => ($other->fullname) ?
$other->fullname :
$other->nickname,
'href' => $other->profileurl,
'class' => 'subscription'));
$avatar = $other->getAvatar(AVATAR_STREAM_SIZE);
common_element('img',
array('src' =>
(($avatar) ? common_avatar_display_url($avatar) :
common_default_avatar(AVATAR_STREAM_SIZE)),
'width' => AVATAR_STREAM_SIZE,
'height' => AVATAR_STREAM_SIZE,
'class' => 'avatar stream',
'alt' => ($other->fullname) ?
$other->fullname :
$other->nickname));
common_element_end('a');
# XXX: subscribe form here
common_element_end('li');
}
common_element_end('ul');
return $cnt;
}
function gallery_type() {
return NULL;
}
function get_instructions(&$profile) {
return NULL;
}
function fields() {
return NULL;
}
function div_class() {
return '';
}
function display_links($profile, $page, $display) {
$tag = $this->trimmed('tag');
common_element_start('dl', array('id'=>'subscriptions_nav'));
common_element('dt', null, _('Subscriptions navigation'));
common_element_start('dd');
common_element_start('ul', array('class'=>'nav'));
switch ($display) {
case 'list':
common_element('li', array('class'=>'child_1'), _('List'));
common_element_start('li');
$url_args = array('display' => 'icons',
'nickname' => $profile->nickname,
'page' => 1 + floor((($page - 1) * PROFILES_PER_PAGE) / AVATARS_PER_PAGE));
if ($tag) {
$url_args['tag'] = $tag;
}
$url = common_local_url($this->trimmed('action'), $url_args);
common_element('a', array('href' => $url),
_('Icons'));
common_element_end('li');
break;
default:
common_element_start('li', array('class'=>'child_1'));
$url_args = array('nickname' => $profile->nickname,
'display' => 'list',
'page' => 1 + floor((($page - 1) * AVATARS_PER_PAGE) / PROFILES_PER_PAGE));
if ($tag) {
$url_args['tag'] = $tag;
}
$url = common_local_url($this->trimmed('action'), $url_args);
common_element('a', array('href' => $url),
_('List'));
common_element_end('li');
common_element('li', NULL, _('Icons'));
break;
}
common_element_end('ul');
common_element_end('dd');
common_element_end('dl');
}
# Get list of tags we tagged other users with
function get_all_tags($profile, $lst, $usr) {
$profile_tag = new Notice_tag();
$profile_tag->query('SELECT DISTINCT(tag) ' .
'FROM profile_tag, subscription ' .
'WHERE tagger = ' . $profile->id . ' ' .
'AND ' . $usr . ' = ' . $profile->id . ' ' .
'AND ' . $lst . ' = tagged ' .
'AND tagger != tagged');
$tags = array();
while ($profile_tag->fetch()) {
$tags[] = $profile_tag->tag;
}
$profile_tag->free();
return $tags;
}
}