lib/gallery.php

   1 <?php
   2
   3 /*
   4  * Laconica - a distributed open-source microblogging tool
   5  * Copyright (C) 2008, Controlez-Vous, Inc.
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 if (!defined('LACONICA')) { exit(1); }
  22
  23 require_once(INSTALLDIR.'/lib/profilelist.php');
  24
  25 # 10x8
  26
  27 define('AVATARS_PER_PAGE', 80);
  28
  29 class GalleryAction extends Action {
  30
  31         function is_readonly() {
  32                 return true;
  33         }
  34
  35         function handle($args) {
  36                 parent::handle($args);
  37
  38                 $nickname = common_canonical_nickname($this->arg('nickname'));
  39                 $user = User::staticGet('nickname', $nickname);
  40
  41                 if (!$user) {
  42                         $this->no_such_user();
  43                         return;
  44                 }
  45
  46                 $profile = $user->getProfile();
  47
  48                 if (!$profile) {
  49                         $this->server_error(_('User without matching profile in system.'));
  50                         return;
  51                 }
  52
  53                 $page = $this->arg('page');
  54
  55                 if (!$page) {
  56                         $page = 1;
  57                 }
  58
  59                 $display = $this->arg('display');
  60
  61                 if (!$display) {
  62                         $display = 'list';
  63                 }
  64
  65                 $tag = $this->arg('tag');
  66
  67                 common_show_header($profile->nickname . ": " . $this->gallery_type(),
  68                                                    NULL, $profile,
  69                                                    array($this, 'show_top'));
  70
  71                 $this->display_links($profile, $page, $display);
  72                 $this->show_tags_dropdown($profile);
  73
  74                 $this->show_gallery($profile, $page, $display, $tag);
  75                 common_show_footer();
  76         }
  77
  78         function no_such_user() {
  79                 $this->client_error(_('No such user.'));
  80         }
  81
  82         function show_tags_dropdown($profile) {
  83                 $tag = $this->trimmed('tag');
  84                 list($lst, $usr) = $this->fields();
  85                 $tags = $this->get_all_tags($profile, $lst, $usr);
  86                 $content = array();
  87                 foreach ($tags as $t) {
  88                         $content[$t] = $t;
  89                 }
  90                 if ($tags) {
  91                         common_element('a', array('href' => common_local_url($this->trimmed('action'),
  92                                                                                                                                  array('nickname' => $profile->nickname))),
  93                                                    _('All'));
  94                         common_element_start('form', array('name' => 'bytag', 'id' => 'bytag'));
  95                         common_dropdown('tag', _('Tag'), $content,
  96                                                         _('Choose a tag to narrow list'), FALSE, $tag);
  97                         common_submit('go', _('Go'));
  98                         common_element_end('form');
  99                 }
 100         }
 101
 102         function show_top($profile) {
 103                 common_element('div', 'instructions',
 104                                            $this->get_instructions($profile));
 105         }
 106
 107         function show_gallery($profile, $page, $display='list', $tag=NULL) {
 108
 109                 $other = new Profile();
 110
 111                 list($lst, $usr) = $this->fields();
 112
 113                 $per_page = ($display == 'list') ? PROFILES_PER_PAGE : AVATARS_PER_PAGE;
 114
 115                 $offset = ($page-1)*$per_page;
 116                 $limit = $per_page + 1;
 117
 118                 if (common_config('db','type') == 'pgsql') {
 119                         $lim = ' LIMIT ' . $limit . ' OFFSET ' . $offset;
 120                 } else {
 121                         $lim = ' LIMIT ' . $offset . ', ' . $limit;
 122                 }
 123
 124                 # XXX: memcached results
 125                 # FIXME: SQL injection on $tag
 126
 127                 $other->query('SELECT profile.* ' .
 128                                           'FROM profile JOIN subscription ' .
 129                                           'ON profile.id = subscription.' . $lst . ' ' .
 130                                           (($tag) ? 'JOIN profile_tag ON (profile.id = profile_tag.tagged AND subscription.'.$usr.'= profile_tag.tagger) ' : '') .
 131                                           'WHERE ' . $usr . ' = ' . $profile->id . ' ' .
 132                                           'AND subscriber != subscribed ' .
 133                                           (($tag) ? 'AND profile_tag.tag= "' . $tag . '" ': '') .
 134                                           'ORDER BY subscription.created DESC, profile.id DESC ' .
 135                                           $lim);
 136
 137                 if ($display == 'list') {
 138                         $profile_list = new ProfileList($other, $profile, $this->trimmed('action'));
 139                         $cnt = $profile_list->show_list();
 140                 } else {
 141                         $cnt = $this->icon_list($other);
 142                 }
 143
 144                 # For building the pagination URLs
 145
 146                 $args = array('nickname' => $profile->nickname);
 147
 148                 if ($display != 'list') {
 149                         $args['display'] = $display;
 150                 }
 151
 152                 common_pagination($page > 1,
 153                                                   $cnt > $per_page,
 154                                                   $page,
 155                                                   $this->trimmed('action'),
 156                                                   $args);
 157         }
 158
 159         function icon_list($other) {
 160
 161                 common_element_start('ul', $this->div_class());
 162
 163                 $cnt = 0;
 164
 165                 while ($other->fetch()) {
 166
 167                         $cnt++;
 168
 169                         if ($cnt > AVATARS_PER_PAGE) {
 170                                 break;
 171                         }
 172
 173                         common_element_start('li');
 174
 175                         common_element_start('a', array('title' => ($other->fullname) ?
 176                                                                                         $other->fullname :
 177                                                                                         $other->nickname,
 178                                                                                         'href' => $other->profileurl,
 179                                                                                         'class' => 'subscription'));
 180                         $avatar = $other->getAvatar(AVATAR_STREAM_SIZE);
 181                         common_element('img',
 182                                                    array('src' =>
 183                                                                  (($avatar) ? common_avatar_display_url($avatar) :
 184                                                                   common_default_avatar(AVATAR_STREAM_SIZE)),
 185                                                                  'width' => AVATAR_STREAM_SIZE,
 186                                                                  'height' => AVATAR_STREAM_SIZE,
 187                                                                  'class' => 'avatar stream',
 188                                                                  'alt' => ($other->fullname) ?
 189                                                                  $other->fullname :
 190                                                                  $other->nickname));
 191                         common_element_end('a');
 192
 193                         # XXX: subscribe form here
 194
 195                         common_element_end('li');
 196                 }
 197
 198                 common_element_end('ul');
 199
 200                 return $cnt;
 201         }
 202
 203         function gallery_type() {
 204                 return NULL;
 205         }
 206
 207         function get_instructions(&$profile) {
 208                 return NULL;
 209         }
 210
 211         function fields() {
 212                 return NULL;
 213         }
 214
 215         function div_class() {
 216                 return '';
 217         }
 218
 219         function display_links($profile, $page, $display) {
 220
 221                 common_element_start('p');
 222
 223                 switch ($display) {
 224                  case 'list':
 225                         common_element('span', NULL, _('List'));
 226                         common_text(' | ');
 227                         common_element('a', array('href' => common_local_url($this->trimmed('action'),
 228                                                                                                                                  array('display' => 'icons',
 229                                                                                                                                            'nickname' => $profile->nickname,
 230                                                                                                                                            'page' => 1 + floor((($page - 1) * PROFILES_PER_PAGE) / AVATARS_PER_PAGE)))),
 231                                                    _('Icons'));
 232                         break;
 233                  default:
 234                         common_element('a', array('href' => common_local_url($this->trimmed('action'),
 235                                                                                                                                  array('nickname' => $profile->nickname,
 236                                                                                                                                            'page' => 1 + floor((($page - 1) * AVATARS_PER_PAGE) / PROFILES_PER_PAGE)))),
 237                                                    _('List'));
 238                         common_text(' | ');
 239                         common_element('span', NULL, _('Icons'));
 240                         break;
 241                 }
 242
 243                 common_element_end('p');
 244         }
 245
 246         # Get list of tags we tagged other users with
 247
 248         function get_all_tags($profile, $lst, $usr) {
 249                 $profile_tag = new Notice_tag();
 250                 $profile_tag->query('SELECT DISTINCT(tag) ' .
 251                                                         'FROM profile_tag, subscription ' .
 252                                                         'WHERE tagger = ' . $profile->id . ' ' .
 253                                                         'AND ' . $usr . ' = ' . $profile->id . ' ' .
 254                                                         'AND ' . $lst . ' = tagged ' .
 255                                                         'AND tagger != tagged');
 256                 $tags = array();
 257                 while ($profile_tag->fetch()) {
 258                         $tags[] = $profile_tag->tag;
 259                 }
 260                 $profile_tag->free();
 261                 return $tags;
 262         }
 263 }