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 define('AVATARS_PER_ROW', 8);
  23 define('AVATARS_PER_PAGE', 80);
  24
  25 class GalleryAction extends Action {
  26
  27         function handle($args) {
  28                 parent::handle($args);
  29                 $nickname = $this->arg('nickname');
  30                 $profile = Profile::staticGet('nickname', $nickname);
  31                 if (!$profile) {
  32                         $this->no_such_user();
  33                         return;
  34                 }
  35                 $user = User::staticGet($profile->id);
  36                 if (!$user) {
  37                         $this->no_such_user();
  38                         return;
  39                 }
  40                 $page = $this->arg('page') || 1;
  41                 common_show_header($profile->nickname . ": " . $this->gallery_type(),
  42                                                    NULL, $profile,
  43                                                    array($this, 'show_top'));
  44                 $this->show_gallery($profile, $page);
  45                 common_show_footer();
  46         }
  47
  48         function no_such_user() {
  49                 $this->client_error(_t('No such user.'));
  50         }
  51
  52         function show_top($profile) {
  53                 common_element('p', 'instructions',
  54                                            $this->get_instructions($profile));
  55         }
  56
  57         function show_gallery($profile, $page) {
  58
  59                 $subs = new Subscription();
  60
  61                 $this->define_subs($subs, $profile);
  62
  63                 $subs->orderBy('created DESC');
  64
  65                 # We ask for an extra one to know if we need to do another page
  66
  67                 $subs->limit((($page-1)*AVATARS_PER_PAGE), AVATARS_PER_PAGE + 1);
  68
  69                 $subs_count = $subs->find();
  70
  71                 if ($subs_count == 0) {
  72                         common_element('p', _t('Nobody to show!'));
  73                         return;
  74                 }
  75
  76                 common_element_start('ul', $this->div_class());
  77
  78                 for ($idx = 0; $idx < min($subs_count, AVATARS_PER_PAGE); $idx++) {
  79
  80                         $result = $subs->fetch();
  81
  82                         if (!$result) {
  83                                 common_debug('Ran out of subscribers too early.', __FILE__);
  84                                 break;
  85                         }
  86
  87                         $other = Profile::staticGet($this->get_other($subs));
  88
  89                         common_element_start('li');
  90
  91                         common_element_start('a', array('title' => ($other->fullname) ?
  92                                                                                         $other->fullname :
  93                                                                                         $other->nickname,
  94                                                                                         'href' => $other->profileurl,
  95                                                                                         'class' => 'subscription'));
  96                         $avatar = $other->getAvatar(AVATAR_STREAM_SIZE);
  97                         common_element('img',
  98                                                    array('src' =>
  99                                                                  (($avatar) ? $avatar->url :
 100                                                                   common_default_avatar(AVATAR_STREAM_SIZE)),
 101                                                                  'width' => AVATAR_STREAM_SIZE,
 102                                                                  'height' => AVATAR_STREAM_SIZE,
 103                                                                  'class' => 'avatar stream',
 104                                                                  'alt' => ($other->fullname) ?
 105                                                                  $other->fullname :
 106                                                                  $other->nickname));
 107                         common_element_end('a');
 108
 109                         # XXX: subscribe form here
 110
 111                         common_element_end('li');
 112                 }
 113
 114                 common_element_end('ul');
 115
 116                 common_pagination($page > 1,
 117                                                   $subs_count > AVATARS_PER_PAGE,
 118                                                   $page,
 119                                                   $this->trimmed('action'),
 120                                                   array('nickname' => $profile->nickname));
 121         }
 122
 123         function gallery_type() {
 124                 return NULL;
 125         }
 126
 127         function get_instructions(&$profile) {
 128                 return NULL;
 129         }
 130
 131         function define_subs(&$subs, &$profile) {
 132                 return;
 133         }
 134
 135         function get_other(&$subs) {
 136                 return NULL;
 137         }
 138
 139         function div_class() {
 140                 return '';
 141         }
 142 }