source: extensions/BatchDownloader/include/events.inc.php @ 16689

Last change on this file since 16689 was 16689, checked in by mistic100, 8 years ago

-separate "archive_comment" in a new config parameter
-confirmation message before start download

File size: 6.4 KB
Line 
1<?php
2defined('BATCH_DOWNLOAD_PATH') or die('Hacking attempt!');
3
4# this file contains all functions directly called by the triggers #
5
6/* unserialize conf and load language */
7function batch_download_init()
8{
9  global $conf;
10 
11  $conf['batch_download'] = unserialize($conf['batch_download']);
12  load_language('plugin.lang', BATCH_DOWNLOAD_PATH);
13}
14
15
16/* define page section from url */
17function batch_download_section_init()
18{
19  global $tokens, $page, $conf;
20 
21  if ($tokens[0] == 'download')
22  {
23    if (check_download_access() === false) access_denied();
24   
25    $page['section'] = 'download';
26    $page['title'] = '<a href="'.get_absolute_root_url().'">'.l10n('Home').'</a>'.$conf['level_separator'].l10n('Batch Downloader').$conf['level_separator'];
27   
28    switch (@$tokens[1])
29    {
30      case 'init_zip':
31        $page['sub_section'] = 'init_zip';
32        $page['title'].= l10n('Generate ZIP');
33        break;
34      case 'view':
35        $page['sub_section'] = 'view';
36        $page['title'].= l10n('Edit the set');
37        break;
38      default:
39        redirect('index.php');
40    }
41  }
42}
43
44/* download section */
45function batch_download_page() 
46{
47  global $page;
48
49  if (isset($page['section']) and $page['section'] == 'download')
50  {
51    include(BATCH_DOWNLOAD_PATH . '/include/download.inc.php');
52  }
53}
54
55
56/* add buttons on thumbnails list */
57function batch_download_index_button()
58{
59  global $page, $template, $user, $conf;
60 
61  if ( !count($page['items']) or !isset($page['section']) ) return;
62 
63  if (check_download_access() === false) return;
64 
65  // download the set
66  if ( isset($_GET['action']) and $_GET['action']=='advdown_set' )
67  {
68    $set = get_set_info_from_page();
69   
70    if ($set !== false)
71    {
72      $BatchDownloader = new BatchDownloader('new', $page['items'], $set['type'], $set['id']);
73      $BatchDownloader->getEstimatedArchiveNumber();
74     
75      // if we plan only one zip with less elements than 'max_elements', the download starts immediately
76      if (
77        $BatchDownloader->getParam('nb_images') <= $conf['batch_download']['max_elements']
78        and $BatchDownloader->getParam('nb_zip') == 1
79      )
80      {
81        $BatchDownloader->createNextArchive(true); // make sure we have only one zip, even if 'max_size' is exceeded
82       
83        $u_download = BATCH_DOWNLOAD_PATH . 'download.php?set_id='.$BatchDownloader->getParam('id').'&amp;zip=1';
84       
85        $null = null;
86        $template->block_footer_script(null, 'setTimeout("document.location.href = \''.$u_download.'\';", 1000);', $null, $null);
87       
88        array_push($page['infos'], sprintf(l10n('The archive is downloading, if the download doesn\'t start automatically please <a href="%s">click here</a>'), $u_download));
89      }
90      // oterwise we go to summary page
91      else
92      {
93        redirect(BATCH_DOWNLOAD_PUBLIC . 'init_zip&amp;set_id='.$BatchDownloader->getParam('id'));
94      }
95    }
96  }
97 
98  if ($page['section'] == 'collections')
99  {
100    $url = $_SERVER['REQUEST_URI'];
101  }
102  else
103  {
104    $url = duplicate_index_url(array(), array('action'));
105  }
106 
107  // toolbar button
108  $button = '<li><a href="'. $url .'&amp;action=advdown_set" title="'.l10n('Download all pictures of this selection').'" class="pwg-state-default pwg-button" rel="nofollow"
109    onClick="return confirm(\''.sprintf(l10n('Confirm the download of %d pictures?'), count($page['items'])).'\');">
110                        <span class="pwg-icon batch-downloader-icon" style="background:url(\'' . BATCH_DOWNLOAD_PATH . 'template/zip.png\') center center no-repeat;">&nbsp;</span><span class="pwg-button-text">'.l10n('Batch Downloader').'</span>
111                </a></li>';
112  $template->concat('PLUGIN_INDEX_ACTIONS', $button);
113  $template->concat('COLLECTION_ACTIONS', $button);
114}
115
116
117/* menu block */
118function batch_download_add_menublock($menu_ref_arr)
119{
120  global $user;
121 
122  $menu = &$menu_ref_arr[0];
123  if ($menu->get_id() != 'menubar') return;
124 
125  if (check_download_access() === false) return;
126 
127  $query = '
128SELECT id
129  FROM '.BATCH_DOWNLOAD_TSETS.'
130  WHERE
131    user_id = '.$user['id'].'
132    AND status != "done"
133  LIMIT 1
134;';
135  $result = pwg_query($query);
136  if (!pwg_db_num_rows($result)) return;
137 
138  $menu->register_block(new RegisteredBlock('mbBatchDownloader', l10n('Batch Downloader'), 'BatchDownloader'));
139}
140
141function batch_download_applymenu($menu_ref_arr)
142{
143  global $template, $conf, $user;
144 
145  $menu = &$menu_ref_arr[0];
146  $block = $menu->get_block('mbBatchDownloader');
147 
148  if ($block != null)
149  {
150    $query = '
151SELECT id
152  FROM '.BATCH_DOWNLOAD_TSETS.'
153  WHERE
154    user_id = '.$user['id'].'
155    AND status != "done"
156;';
157    $sets = array_from_query($query, 'id');
158   
159    $data = array();
160    foreach ($sets as $set_id)
161    {
162      $BatchDownloader = new BatchDownloader($set_id);
163      $set = $BatchDownloader->getSetInfo();
164     
165      array_push($data, array(
166        'URL' => BATCH_DOWNLOAD_PUBLIC . 'init_zip&amp;set_id='.$BatchDownloader->getParam('id'),
167        'TITLE' => str_replace('"', "'", strip_tags($set['COMMENT'])),
168        'NAME' => $set['sNAME'],
169        'COUNT' => $set['NB_IMAGES'],
170        ));
171    }
172   
173    $template->set_template_dir(BATCH_DOWNLOAD_PATH . 'template/');
174    $block->set_title(l10n('Downloads'));
175    $block->template = 'menublock_batch_down.tpl';
176    $block->data = $data;
177  }
178}
179
180
181/* archives and databse cleanup */
182function batch_download_clean()
183{
184  global $conf;
185 
186  // we only search for old downloads every hour, nevermind which user is connected
187  if ($conf['batch_download']['last_clean'] > time() - 3600) return;
188 
189  $conf['batch_download']['last_clean'] = time();
190  conf_update_param('batch_download', serialize($conf['batch_download']));
191 
192  // set old sets as done and clean images table
193  $query = '
194DELETE i
195  FROM '.BATCH_DOWNLOAD_TIMAGES.' AS i
196    INNER JOIN '.BATCH_DOWNLOAD_TSETS.' AS s
197    ON i.set_id = s.id
198  WHERE
199    status != "done" AND
200    date_creation < DATE_SUB(NOW(), INTERVAL '.$conf['batch_download']['archive_timeout'].' HOUR)
201;';
202  pwg_query($query);
203 
204  $query = '
205UPDATE '.BATCH_DOWNLOAD_TSETS.'
206  SET status = "done"
207  WHERE
208    status != "done" AND
209    date_creation < DATE_SUB(NOW(), INTERVAL '.$conf['batch_download']['archive_timeout'].' HOUR)
210;';
211  pwg_query($query);
212 
213  // remove old archives
214  $zips = glob(BATCH_DOWNLOAD_LOCAL . 'u-*/*.zip');
215  foreach ($zips as $zip)
216  {
217    if (filemtime($zip) < time()-$conf['batch_download']['archive_timeout']*3600)
218    {
219      unlink($zip);
220    }
221  }
222}
223
224?>
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