mod/community.php

   1 <?php
   2 /**
   3  * @file mod/community.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\Content\Nav;
   8 use Friendica\Core\ACL;
   9 use Friendica\Core\Config;
  10 use Friendica\Core\L10n;
  11 use Friendica\Core\PConfig;
  12 use Friendica\Database\DBM;
  13
  14 function community_init(App $a)
  15 {
  16         if (!local_user()) {
  17                 unset($_SESSION['theme']);
  18                 unset($_SESSION['mobile-theme']);
  19         }
  20 }
  21
  22 function community_content(App $a, $update = 0)
  23 {
  24         $o = '';
  25
  26         if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
  27                 notice(L10n::t('Public access denied.') . EOL);
  28                 return;
  29         }
  30
  31         $page_style = Config::get('system', 'community_page_style');
  32
  33         if ($a->argc > 1) {
  34                 $content = $a->argv[1];
  35         } else {
  36                 if (!empty(Config::get('system', 'singleuser'))) {
  37                         // On single user systems only the global page does make sense
  38                         $content = 'global';
  39                 } else {
  40                         // When only the global community is allowed, we use this as default
  41                         $content = $page_style == CP_GLOBAL_COMMUNITY ? 'global' : 'local';
  42                 }
  43         }
  44
  45         if (!in_array($content, ['local', 'global'])) {
  46                 notice(L10n::t('Community option not available.') . EOL);
  47                 return;
  48         }
  49
  50         // Check if we are allowed to display the content to visitors
  51         if (!local_user()) {
  52                 $available = $page_style == CP_USERS_AND_GLOBAL;
  53
  54                 if (!$available) {
  55                         $available = ($page_style == CP_USERS_ON_SERVER) && ($content == 'local');
  56                 }
  57
  58                 if (!$available) {
  59                         $available = ($page_style == CP_GLOBAL_COMMUNITY) && ($content == 'global');
  60                 }
  61
  62                 if (!$available) {
  63                         notice(L10n::t('Not available.') . EOL);
  64                         return;
  65                 }
  66         }
  67
  68         require_once 'include/security.php';
  69         require_once 'include/conversation.php';
  70
  71         if (!$update) {
  72                 $tabs = [];
  73
  74                 if ((local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_USERS_ON_SERVER])) && empty(Config::get('system', 'singleuser'))) {
  75                         $tabs[] = [
  76                                 'label' => L10n::t('Local Community'),
  77                                 'url' => 'community/local',
  78                                 'sel' => $content == 'local' ? 'active' : '',
  79                                 'title' => L10n::t('Posts from local users on this server'),
  80                                 'id' => 'community-local-tab',
  81                                 'accesskey' => 'l'
  82                         ];
  83                 }
  84
  85                 if (local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_GLOBAL_COMMUNITY])) {
  86                         $tabs[] = [
  87                                 'label' => L10n::t('Global Community'),
  88                                 'url' => 'community/global',
  89                                 'sel' => $content == 'global' ? 'active' : '',
  90                                 'title' => L10n::t('Posts from users of the whole federated network'),
  91                                 'id' => 'community-global-tab',
  92                                 'accesskey' => 'g'
  93                         ];
  94                 }
  95
  96                 $tab_tpl = get_markup_template('common_tabs.tpl');
  97                 $o .= replace_macros($tab_tpl, ['$tabs' => $tabs]);
  98
  99                 Nav::setSelected('community');
 100
 101                 // We need the editor here to be able to reshare an item.
 102                 if (local_user()) {
 103                         $x = [
 104                                 'is_owner' => true,
 105                                 'allow_location' => $a->user['allow_location'],
 106                                 'default_location' => $a->user['default-location'],
 107                                 'nickname' => $a->user['nickname'],
 108                                 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
 109                                 'acl' => ACL::getFullSelectorHTML($a->user, true),
 110                                 'bang' => '',
 111                                 'visitor' => 'block',
 112                                 'profile_uid' => local_user(),
 113                         ];
 114                         $o .= status_editor($a, $x, 0, true);
 115                 }
 116         }
 117
 118         // check if we serve a mobile device and get the user settings accordingly
 119         if ($a->is_mobile) {
 120                 $itemspage_network = PConfig::get(local_user(), 'system', 'itemspage_mobile_network', 20);
 121         } else {
 122                 $itemspage_network = PConfig::get(local_user(), 'system', 'itemspage_network', 40);
 123         }
 124
 125         // now that we have the user settings, see if the theme forces
 126         // a maximum item number which is lower then the user choice
 127         if (($a->force_max_items > 0) && ($a->force_max_items < $itemspage_network)) {
 128                 $itemspage_network = $a->force_max_items;
 129         }
 130
 131         $a->set_pager_itemspage($itemspage_network);
 132
 133         $r = community_getitems($a->pager['start'], $a->pager['itemspage'], $content);
 134
 135         if (!DBM::is_result($r)) {
 136                 info(L10n::t('No results.') . EOL);
 137                 return $o;
 138         }
 139
 140         $maxpostperauthor = (int) Config::get('system', 'max_author_posts_community_page');
 141
 142         if (($maxpostperauthor != 0) && ($content == 'local')) {
 143                 $count = 1;
 144                 $previousauthor = "";
 145                 $numposts = 0;
 146                 $s = [];
 147
 148                 do {
 149                         foreach ($r as $item) {
 150                                 if ($previousauthor == $item["author-link"]) {
 151                                         ++$numposts;
 152                                 } else {
 153                                         $numposts = 0;
 154                                 }
 155                                 $previousauthor = $item["author-link"];
 156
 157                                 if (($numposts < $maxpostperauthor) && (count($s) < $a->pager['itemspage'])) {
 158                                         $s[] = $item;
 159                                 }
 160                         }
 161                         if (count($s) < $a->pager['itemspage']) {
 162                                 $r = community_getitems($a->pager['start'] + ($count * $a->pager['itemspage']), $a->pager['itemspage'], $content);
 163                         }
 164                 } while ((count($s) < $a->pager['itemspage']) && ( ++$count < 50) && (count($r) > 0));
 165         } else {
 166                 $s = $r;
 167         }
 168
 169         $o .= conversation($a, $s, 'community', $update);
 170
 171         if (!$update) {
 172                 $o .= alt_pager($a, count($r));
 173         }
 174
 175         $t = get_markup_template("community.tpl");
 176         return replace_macros($t, [
 177                 '$content' => $o,
 178                 '$header' => '',
 179                 '$show_global_community_hint' => ($content == 'global') && Config::get('system', 'show_global_community_hint'),
 180                 '$global_community_hint' => L10n::t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
 181         ]);
 182 }
 183
 184 function community_getitems($start, $itemspage, $content)
 185 {
 186         if ($content == 'local') {
 187                 $r = dba::p("SELECT `item`.`uri`, `item`.`author-link` FROM `thread`
 188                         INNER JOIN `user` ON `user`.`uid` = `thread`.`uid` AND NOT `user`.`hidewall`
 189                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
 190                         WHERE `thread`.`visible` AND NOT `thread`.`deleted` AND NOT `thread`.`moderated`
 191                         AND NOT `thread`.`private` AND `thread`.`wall` AND `thread`.`origin`
 192                         ORDER BY `thread`.`commented` DESC LIMIT " . intval($start) . ", " . intval($itemspage)
 193                 );
 194                 return dba::inArray($r);
 195         } elseif ($content == 'global') {
 196                 $r = dba::p("SELECT `uri` FROM `thread`
 197                                 INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
 198                                 INNER JOIN `contact` AS `author` ON `author`.`id`=`item`.`author-id`
 199                                 WHERE `thread`.`uid` = 0 AND NOT `author`.`hidden` AND NOT `author`.`blocked`
 200                                 ORDER BY `thread`.`commented` DESC LIMIT " . intval($start) . ", " . intval($itemspage));
 201                 return dba::inArray($r);
 202         }
 203
 204         // Should never happen
 205         return [];
 206 }