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 handle($args) {
  29                 parent::handle($args);
  30                 $nickname = $this->arg('nickname');
  31                 $profile = Profile::staticGet('nickname', $nickname);
  32                 if (!$profile) {
  33                         $this->no_such_user();
  34                         return;
  35                 }
  36                 $user = User::staticGet($profile->id);
  37                 if (!$user) {
  38                         $this->no_such_user();
  39                         return;
  40                 }
  41                 $page = $this->arg('page');
  42                 if (!$page) {
  43                         $page = 1;
  44                 }
  45                 common_show_header($profile->nickname . ": " . $this->gallery_type(),
  46                                                    NULL, $profile,
  47                                                    array($this, 'show_top'));
  48                 $this->show_gallery($profile, $page);
  49                 common_show_footer();
  50         }
  51
  52         function no_such_user() {
  53                 $this->client_error(_('No such user.'));
  54         }
  55
  56         function show_top($profile) {
  57                 common_element('div', 'instructions',
  58                                            $this->get_instructions($profile));
  59         }
  60
  61         function show_gallery($profile, $page) {
  62
  63                 $subs = new Subscription();
  64
  65                 $this->define_subs($subs, $profile);
  66
  67                 $subs->orderBy('created DESC');
  68
  69                 # We ask for an extra one to know if we need to do another page
  70
  71                 $subs->limit((($page-1)*AVATARS_PER_PAGE), AVATARS_PER_PAGE + 1);
  72
  73                 $subs_count = $subs->find();
  74
  75                 if ($subs_count == 0) {
  76                         common_element('p', _('Nobody to show!'));
  77                         return;
  78                 }
  79
  80                 common_element_start('ul', $this->div_class());
  81
  82                 for ($idx = 0; $idx < min($subs_count, AVATARS_PER_PAGE); $idx++) {
  83
  84                         $result = $subs->fetch();
  85
  86                         if (!$result) {
  87                                 common_debug('Ran out of subscribers too early.', __FILE__);
  88                                 break;
  89                         }
  90
  91                         $other = Profile::staticGet($this->get_other($subs));
  92
  93                         common_element_start('li');
  94
  95                         common_element_start('a', array('title' => ($other->fullname) ?
  96                                                                                         $other->fullname :
  97                                                                                         $other->nickname,
  98                                                                                         'href' => $other->profileurl,
  99                                                                                         'class' => 'subscription'));
 100                         $avatar = $other->getAvatar(AVATAR_STREAM_SIZE);
 101                         common_element('img',
 102                                                    array('src' =>
 103                                                                  (($avatar) ? common_avatar_display_url($avatar) :
 104                                                                   common_default_avatar(AVATAR_STREAM_SIZE)),
 105                                                                  'width' => AVATAR_STREAM_SIZE,
 106                                                                  'height' => AVATAR_STREAM_SIZE,
 107                                                                  'class' => 'avatar stream',
 108                                                                  'alt' => ($other->fullname) ?
 109                                                                  $other->fullname :
 110                                                                  $other->nickname));
 111                         common_element_end('a');
 112
 113                         # XXX: subscribe form here
 114
 115                         common_element_end('li');
 116                 }
 117
 118                 common_element_end('ul');
 119
 120                 common_pagination($page > 1,
 121                                                   $subs_count > AVATARS_PER_PAGE,
 122                                                   $page,
 123                                                   $this->trimmed('action'),
 124                                                   array('nickname' => $profile->nickname));
 125         }
 126
 127         function gallery_type() {
 128                 return NULL;
 129         }
 130
 131         function get_instructions(&$profile) {
 132                 return NULL;
 133         }
 134
 135         function define_subs(&$subs, &$profile) {
 136                 return;
 137         }
 138
 139         function get_other(&$subs) {
 140                 return NULL;
 141         }
 142
 143         function div_class() {
 144                 return '';
 145         }
 146 }