lib/gallery.php

   1 <?php
   2 /*
   3  * Laconica - a distributed open-source microblogging tool
   4  * Copyright (C) 2008, Controlez-Vous, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 if (!defined('LACONICA')) { exit(1); }
  21
  22 # 10x8
  23
  24 define('AVATARS_PER_PAGE', 80);
  25
  26 class GalleryAction extends Action {
  27
  28         function is_readonly() {
  29                 return true;
  30         }
  31
  32         function handle($args) {
  33                 parent::handle($args);
  34                 $nickname = common_canonical_nickname($this->arg('nickname'));
  35
  36                 $user = User::staticGet('nickname', $nickname);
  37
  38                 if (!$user) {
  39                         $this->no_such_user();
  40                         return;
  41                 }
  42
  43                 $profile = $user->getProfile();
  44
  45                 if (!$profile) {
  46                         $this->server_error(_('User without matching profile in system.'));
  47                         return;
  48                 }
  49
  50                 $page = $this->arg('page');
  51                 if (!$page) {
  52                         $page = 1;
  53                 }
  54                 common_show_header($profile->nickname . ": " . $this->gallery_type(),
  55                                                    NULL, $profile,
  56                                                    array($this, 'show_top'));
  57                 $this->show_gallery($profile, $page);
  58                 common_show_footer();
  59         }
  60
  61         function no_such_user() {
  62                 $this->client_error(_('No such user.'));
  63         }
  64
  65         function show_top($profile) {
  66                 common_element('div', 'instructions',
  67                                            $this->get_instructions($profile));
  68         }
  69
  70         function show_gallery($profile, $page) {
  71
  72                 $subs = new Subscription();
  73
  74                 $this->define_subs($subs, $profile);
  75
  76                 $subs->orderBy('created DESC');
  77
  78                 # We ask for an extra one to know if we need to do another page
  79
  80                 $subs->limit((($page-1)*AVATARS_PER_PAGE), AVATARS_PER_PAGE + 1);
  81
  82                 $subs_count = $subs->find();
  83
  84                 if ($subs_count == 0) {
  85                         common_element('p', _('Nobody to show!'));
  86                         return;
  87                 }
  88
  89                 common_element_start('ul', $this->div_class());
  90
  91                 for ($idx = 0; $idx < min($subs_count, AVATARS_PER_PAGE); $idx++) {
  92
  93                         $result = $subs->fetch();
  94
  95                         if (!$result) {
  96                                 common_debug('Ran out of subscribers too early.', __FILE__);
  97                                 break;
  98                         }
  99
 100                         $other_id = $this->get_other($subs);
 101                         $other = Profile::staticGet($other_id);
 102
 103                         if (!$other) {
 104                                 common_log(LOG_WARNING, 'No matching profile for ' . $other_id);
 105                                 continue;
 106                         }
 107
 108                         common_element_start('li');
 109
 110                         common_element_start('a', array('title' => ($other->fullname) ?
 111                                                                                         $other->fullname :
 112                                                                                         $other->nickname,
 113                                                                                         'href' => $other->profileurl,
 114                                                                                         'class' => 'subscription'));
 115                         $avatar = $other->getAvatar(AVATAR_STREAM_SIZE);
 116                         common_element('img',
 117                                                    array('src' =>
 118                                                                  (($avatar) ? common_avatar_display_url($avatar) :
 119                                                                   common_default_avatar(AVATAR_STREAM_SIZE)),
 120                                                                  'width' => AVATAR_STREAM_SIZE,
 121                                                                  'height' => AVATAR_STREAM_SIZE,
 122                                                                  'class' => 'avatar stream',
 123                                                                  'alt' => ($other->fullname) ?
 124                                                                  $other->fullname :
 125                                                                  $other->nickname));
 126                         common_element_end('a');
 127
 128                         # XXX: subscribe form here
 129
 130                         common_element_end('li');
 131                 }
 132
 133                 common_element_end('ul');
 134
 135                 common_pagination($page > 1,
 136                                                   $subs_count > AVATARS_PER_PAGE,
 137                                                   $page,
 138                                                   $this->trimmed('action'),
 139                                                   array('nickname' => $profile->nickname));
 140         }
 141
 142         function gallery_type() {
 143                 return NULL;
 144         }
 145
 146         function get_instructions(&$profile) {
 147                 return NULL;
 148         }
 149
 150         function define_subs(&$subs, &$profile) {
 151                 return;
 152         }
 153
 154         function get_other(&$subs) {
 155                 return NULL;
 156         }
 157
 158         function div_class() {
 159                 return '';
 160         }
 161 }