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 (!$update) {
  60                 nav_set_selected('community');
  61         }
  62
  63         if (Config::get('system', 'comment_public')) {
  64                 // check if we serve a mobile device and get the user settings
  65                 // accordingly
  66                 if ($a->is_mobile) {
  67                         $itemspage_network = PConfig::get(local_user(),'system','itemspage_mobile_network', 20);
  68                 } else {
  69                         $itemspage_network = PConfig::get(local_user(),'system','itemspage_network', 40);
  70                 }
  71
  72                 // now that we have the user settings, see if the theme forces
  73                 // a maximum item number which is lower then the user choice
  74                 if (($a->force_max_items > 0) && ($a->force_max_items < $itemspage_network)) {
  75                         $itemspage_network = $a->force_max_items;
  76                 }
  77
  78                 $a->set_pager_itemspage($itemspage_network);
  79         }
  80
  81         $r = community_getitems($a->pager['start'], $a->pager['itemspage'], $content);
  82
  83         if (!DBM::is_result($r)) {
  84                 info(t('No results.') . EOL);
  85                 return $o;
  86         }
  87
  88         $maxpostperauthor = Config::get('system','max_author_posts_community_page');
  89
  90         if (($maxpostperauthor != 0) && ($content == 'local')) {
  91                 $count = 1;
  92                 $previousauthor = "";
  93                 $numposts = 0;
  94                 $s = array();
  95
  96                 do {
  97                         foreach ($r AS $row=>$item) {
  98                                 if ($previousauthor == $item["author-link"]) {
  99                                         ++$numposts;
 100                                 } else {
 101                                         $numposts = 0;
 102                                 }
 103                                 $previousauthor = $item["author-link"];
 104
 105                                 if (($numposts < $maxpostperauthor) && (sizeof($s) < $a->pager['itemspage'])) {
 106                                         $s[] = $item;
 107                                 }
 108                         }
 109                         if (sizeof($s) < $a->pager['itemspage']) {
 110                                 $r = community_getitems($a->pager['start'] + ($count * $a->pager['itemspage']), $a->pager['itemspage'], $content);
 111                         }
 112                 } while ((sizeof($s) < $a->pager['itemspage']) && (++$count < 50) && (sizeof($r) > 0));
 113         } else {
 114                 $s = $r;
 115         }
 116
 117         $o .= conversation($a, $s, 'community', $update);
 118
 119         $o .= alt_pager($a, count($r));
 120
 121         $t = get_markup_template("community.tpl");
 122         return replace_macros($t, array(
 123                 '$content' => $o,
 124                 '$header' => $content == 'global' ? t("Global Timeline") : t("Community"),
 125                 '$show_global_community_hint' => ($content == 'global') && Config::get('system', 'show_global_community_hint'),
 126                 '$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.")
 127         ));
 128 }
 129
 130 function community_getitems($start, $itemspage, $content) {
 131         if ($content == 'local') {
 132                 $r = dba::p("SELECT ".item_fieldlists()." FROM `thread`
 133                         INNER JOIN `user` ON `user`.`uid` = `thread`.`uid` AND NOT `user`.`hidewall`
 134                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
 135                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 136                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''".
 137                         item_joins()." AND `contact`.`self`
 138                         WHERE `thread`.`visible` AND NOT `thread`.`deleted` AND NOT `thread`.`moderated`
 139                         AND NOT `thread`.`private` AND `thread`.`wall`
 140                         ORDER BY `thread`.`received` DESC LIMIT ".intval($start).", ".intval($itemspage)
 141                 );
 142                 return dba::inArray($r);
 143         } elseif ($content == 'global') {
 144                 $r = dba::p("SELECT ".item_fieldlists()." FROM `thread`
 145                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid` ".item_joins().
 146                         "WHERE `thread`.`uid` = 0 AND `verb` = ?
 147                         ORDER BY `thread`.`created` DESC LIMIT ".intval($start).", ".intval($itemspage),
 148                         ACTIVITY_POST
 149                 );
 150                 return dba::inArray($r);
 151         }
 152
 153         // Should never happen
 154         return array();
 155 }