mod/community.php

   1 <?php
   2
   3 use Friendica\App;
   4 use Friendica\Core\Config;
   5 use Friendica\Core\PConfig;
   6 use Friendica\Database\DBM;
   7
   8 function community_init(App $a) {
   9         if (!local_user()) {
  10                 unset($_SESSION['theme']);
  11                 unset($_SESSION['mobile-theme']);
  12         }
  13 }
  14
  15 function community_content(App $a, $update = 0) {
  16         $o = '';
  17
  18         if (Config::get('system','block_public') && !local_user() && !remote_user()) {
  19                 notice(t('Public access denied.') . EOL);
  20                 return;
  21         }
  22
  23         $page_style = Config::get('system','community_page_style');
  24
  25         if ($a->argc > 1) {
  26                 $content = $a->argv[1];
  27         } else {
  28                 // When only the global community is allowed, we use this as default
  29                 $content = $page_style == CP_GLOBAL_COMMUNITY ? 'global' : 'local';
  30         }
  31
  32         if (!in_array($content, ['local', 'global'])) {
  33                 notice(t('Community option not available.') . EOL);
  34                 return;
  35         }
  36
  37         // Check if we are allowed to display the content to visitors
  38         if (!local_user()) {
  39                 $available = $page_style == CP_USERS_AND_GLOBAL;
  40
  41                 if (!$available) {
  42                         $available = ($page_style == CP_USERS_ON_SERVER) && ($content == 'local');
  43                 }
  44
  45                 if (!$available) {
  46                         $available = ($page_style == CP_GLOBAL_COMMUNITY) && ($content == 'global');
  47                 }
  48
  49                 if (!$available) {
  50                         notice(t('Not available.') . EOL);
  51                         return;
  52                 }
  53         }
  54
  55         require_once 'include/bbcode.php';
  56         require_once 'include/security.php';
  57         require_once 'include/conversation.php';
  58
  59         if (!$update) {
  60                 $tabs = [];
  61
  62                 if (local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_USERS_ON_SERVER])) {
  63                         $tabs[] = array('label'=>t('Community'),
  64                                         'url' => 'community/local',
  65                                         'sel' => $content == 'local' ? 'active' : '',
  66                                         'title' => t('Posts from local users on this server'),
  67                                         'id' => 'community-local-tab',
  68                                         'accesskey' => 'l');
  69                 }
  70
  71                 if (local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_GLOBAL_COMMUNITY])) {
  72                         $tabs[] = array('label' => t('Global Timeline'),
  73                                         'url' => 'community/global',
  74                                         'sel' => $content == 'global' ? 'active' : '',
  75                                         'title' => t('Posts from users of the federated network'),
  76                                         'id'    => 'community-global-tab',
  77                                         'accesskey' => 'g');
  78                 }
  79
  80                 $tab_tpl = get_markup_template('common_tabs.tpl');
  81                 $o .= replace_macros($tab_tpl, array('$tabs' => $tabs));
  82
  83                 nav_set_selected('community');
  84         }
  85
  86         if (Config::get('system', 'comment_public')) {
  87                 // check if we serve a mobile device and get the user settings
  88                 // accordingly
  89                 if ($a->is_mobile) {
  90                         $itemspage_network = PConfig::get(local_user(),'system','itemspage_mobile_network', 20);
  91                 } else {
  92                         $itemspage_network = PConfig::get(local_user(),'system','itemspage_network', 40);
  93                 }
  94
  95                 // now that we have the user settings, see if the theme forces
  96                 // a maximum item number which is lower then the user choice
  97                 if (($a->force_max_items > 0) && ($a->force_max_items < $itemspage_network)) {
  98                         $itemspage_network = $a->force_max_items;
  99                 }
 100
 101                 $a->set_pager_itemspage($itemspage_network);
 102         }
 103
 104         $r = community_getitems($a->pager['start'], $a->pager['itemspage'], $content);
 105
 106         if (!DBM::is_result($r)) {
 107                 info(t('No results.') . EOL);
 108                 return $o;
 109         }
 110
 111         $maxpostperauthor = Config::get('system','max_author_posts_community_page');
 112
 113         if (($maxpostperauthor != 0) && ($content == 'local')) {
 114                 $count = 1;
 115                 $previousauthor = "";
 116                 $numposts = 0;
 117                 $s = array();
 118
 119                 do {
 120                         foreach ($r AS $row=>$item) {
 121                                 if ($previousauthor == $item["author-link"]) {
 122                                         ++$numposts;
 123                                 } else {
 124                                         $numposts = 0;
 125                                 }
 126                                 $previousauthor = $item["author-link"];
 127
 128                                 if (($numposts < $maxpostperauthor) && (sizeof($s) < $a->pager['itemspage'])) {
 129                                         $s[] = $item;
 130                                 }
 131                         }
 132                         if (sizeof($s) < $a->pager['itemspage']) {
 133                                 $r = community_getitems($a->pager['start'] + ($count * $a->pager['itemspage']), $a->pager['itemspage'], $content);
 134                         }
 135                 } while ((sizeof($s) < $a->pager['itemspage']) && (++$count < 50) && (sizeof($r) > 0));
 136         } else {
 137                 $s = $r;
 138         }
 139
 140         $o .= conversation($a, $s, 'community', $update);
 141
 142         if (!$update) {
 143                 $o .= alt_pager($a, count($r));
 144         }
 145
 146         $t = get_markup_template("community.tpl");
 147         return replace_macros($t, array(
 148                 '$content' => $o,
 149                 '$header' => '',
 150                 '$show_global_community_hint' => ($content == 'global') && Config::get('system', 'show_global_community_hint'),
 151                 '$global_community_hint' => t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
 152         ));
 153 }
 154
 155 function community_getitems($start, $itemspage, $content) {
 156         if ($content == 'local') {
 157                 $r = dba::p("SELECT ".item_fieldlists()." FROM `thread`
 158                         INNER JOIN `user` ON `user`.`uid` = `thread`.`uid` AND NOT `user`.`hidewall`
 159                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
 160                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 161                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''".
 162                         item_joins()." AND `contact`.`self`
 163                         WHERE `thread`.`visible` AND NOT `thread`.`deleted` AND NOT `thread`.`moderated`
 164                         AND NOT `thread`.`private` AND `thread`.`wall`
 165                         ORDER BY `thread`.`received` DESC LIMIT ".intval($start).", ".intval($itemspage)
 166                 );
 167                 return dba::inArray($r);
 168         } elseif ($content == 'global') {
 169                 $r = dba::p("SELECT ".item_fieldlists()." FROM `thread`
 170                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid` ".item_joins().
 171                         "WHERE `thread`.`uid` = 0 AND `verb` = ?
 172                         ORDER BY `thread`.`created` DESC LIMIT ".intval($start).", ".intval($itemspage),
 173                         ACTIVITY_POST
 174                 );
 175                 return dba::inArray($r);
 176         }
 177
 178         // Should never happen
 179         return array();
 180 }