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 = $this->arg('nickname');
  35                 $profile = Profile::staticGet('nickname', $nickname);
  36                 if (!$profile) {
  37                         $this->no_such_user();
  38                         return;
  39                 }
  40                 $user = User::staticGet($profile->id);
  41                 if (!$user) {
  42                         $this->no_such_user();
  43                         return;
  44                 }
  45                 $page = $this->arg('page');
  46                 if (!$page) {
  47                         $page = 1;
  48                 }
  49                 common_show_header($profile->nickname . ": " . $this->gallery_type(),
  50                                                    NULL, $profile,
  51                                                    array($this, 'show_top'));
  52                 $this->show_gallery($profile, $page);
  53                 common_show_footer();
  54         }
  55
  56         function no_such_user() {
  57                 $this->client_error(_('No such user.'));
  58         }
  59
  60         function show_top($profile) {
  61                 common_element('div', 'instructions',
  62                                            $this->get_instructions($profile));
  63         }
  64
  65         function show_gallery($profile, $page) {
  66
  67                 $subs = new Subscription();
  68
  69                 $this->define_subs($subs, $profile);
  70
  71                 $subs->orderBy('created DESC');
  72
  73                 # We ask for an extra one to know if we need to do another page
  74
  75                 $subs->limit((($page-1)*AVATARS_PER_PAGE), AVATARS_PER_PAGE + 1);
  76
  77                 $subs_count = $subs->find();
  78
  79                 if ($subs_count == 0) {
  80                         common_element('p', _('Nobody to show!'));
  81                         return;
  82                 }
  83
  84                 common_element_start('ul', $this->div_class());
  85
  86                 for ($idx = 0; $idx < min($subs_count, AVATARS_PER_PAGE); $idx++) {
  87
  88                         $result = $subs->fetch();
  89
  90                         if (!$result) {
  91                                 common_debug('Ran out of subscribers too early.', __FILE__);
  92                                 break;
  93                         }
  94
  95                         $other = Profile::staticGet($this->get_other($subs));
  96
  97                         common_element_start('li');
  98
  99                         common_element_start('a', array('title' => ($other->fullname) ?
 100                                                                                         $other->fullname :
 101                                                                                         $other->nickname,
 102                                                                                         'href' => $other->profileurl,
 103                                                                                         'class' => 'subscription'));
 104                         $avatar = $other->getAvatar(AVATAR_STREAM_SIZE);
 105                         common_element('img',
 106                                                    array('src' =>
 107                                                                  (($avatar) ? common_avatar_display_url($avatar) :
 108                                                                   common_default_avatar(AVATAR_STREAM_SIZE)),
 109                                                                  'width' => AVATAR_STREAM_SIZE,
 110                                                                  'height' => AVATAR_STREAM_SIZE,
 111                                                                  'class' => 'avatar stream',
 112                                                                  'alt' => ($other->fullname) ?
 113                                                                  $other->fullname :
 114                                                                  $other->nickname));
 115                         common_element_end('a');
 116
 117                         # XXX: subscribe form here
 118
 119                         common_element_end('li');
 120                 }
 121
 122                 common_element_end('ul');
 123
 124                 common_pagination($page > 1,
 125                                                   $subs_count > AVATARS_PER_PAGE,
 126                                                   $page,
 127                                                   $this->trimmed('action'),
 128                                                   array('nickname' => $profile->nickname));
 129         }
 130
 131         function gallery_type() {
 132                 return NULL;
 133         }
 134
 135         function get_instructions(&$profile) {
 136                 return NULL;
 137         }
 138
 139         function define_subs(&$subs, &$profile) {
 140                 return;
 141         }
 142
 143         function get_other(&$subs) {
 144                 return NULL;
 145         }
 146
 147         function div_class() {
 148                 return '';
 149         }
 150 }