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 $a)
   9 {
  10         if (!local_user()) {
  11                 unset($_SESSION['theme']);
  12                 unset($_SESSION['mobile-theme']);
  13         }
  14 }
  15
  16 function community_content(App $a, $update = 0)
  17 {
  18         $o = '';
  19
  20         if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
  21                 notice(t('Public access denied.') . EOL);
  22                 return;
  23         }
  24
  25         $page_style = Config::get('system', 'community_page_style');
  26
  27         if ($a->argc > 1) {
  28                 $content = $a->argv[1];
  29         } else {
  30                 if (!empty(Config::get('system','singleuser'))) {
  31                         // On single user systems only the global page does make sense
  32                         $content = 'global';
  33                 } else {
  34                         // When only the global community is allowed, we use this as default
  35                         $content = $page_style == CP_GLOBAL_COMMUNITY ? 'global' : 'local';
  36                 }
  37         }
  38
  39         if (!in_array($content, ['local', 'global'])) {
  40                 notice(t('Community option not available.') . EOL);
  41                 return;
  42         }
  43
  44         // Check if we are allowed to display the content to visitors
  45         if (!local_user()) {
  46                 $available = $page_style == CP_USERS_AND_GLOBAL;
  47
  48                 if (!$available) {
  49                         $available = ($page_style == CP_USERS_ON_SERVER) && ($content == 'local');
  50                 }
  51
  52                 if (!$available) {
  53                         $available = ($page_style == CP_GLOBAL_COMMUNITY) && ($content == 'global');
  54                 }
  55
  56                 if (!$available) {
  57                         notice(t('Not available.') . EOL);
  58                         return;
  59                 }
  60         }
  61
  62         require_once 'include/bbcode.php';
  63         require_once 'include/security.php';
  64         require_once 'include/conversation.php';
  65
  66         if (!$update) {
  67                 $tabs = [];
  68
  69                 if ((local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_USERS_ON_SERVER])) && empty(Config::get('system','singleuser'))) {
  70                         $tabs[] = array(
  71                                 'label' => t('Community'),
  72                                 'url' => 'community/local',
  73                                 'sel' => $content == 'local' ? 'active' : '',
  74                                 'title' => t('Posts from local users on this server'),
  75                                 'id' => 'community-local-tab',
  76                                 'accesskey' => 'l'
  77                         );
  78                 }
  79
  80                 if (local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_GLOBAL_COMMUNITY])) {
  81                         $tabs[] = array(
  82                                 'label' => t('Global Timeline'),
  83                                 'url' => 'community/global',
  84                                 'sel' => $content == 'global' ? 'active' : '',
  85                                 'title' => t('Posts from users of the federated network'),
  86                                 'id' => 'community-global-tab',
  87                                 'accesskey' => 'g'
  88                         );
  89                 }
  90
  91                 $tab_tpl = get_markup_template('common_tabs.tpl');
  92                 $o .= replace_macros($tab_tpl, array('$tabs' => $tabs));
  93
  94                 nav_set_selected('community');
  95
  96                 // We need the editor here to be able to reshare an item.
  97                 if (local_user()) {
  98                         $x = array(
  99                                 'is_owner' => true,
 100                                 'allow_location' => $a->user['allow_location'],
 101                                 'default_location' => $a->user['default-location'],
 102                                 'nickname' => $a->user['nickname'],
 103                                 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
 104                                 'acl' => populate_acl($a->user, true),
 105                                 'bang' => '',
 106                                 'visitor' => 'block',
 107                                 'profile_uid' => local_user(),
 108                         );
 109                         $o .= status_editor($a, $x, 0, true);
 110                 }
 111         }
 112
 113         if (Config::get('system', 'comment_public')) {
 114                 // check if we serve a mobile device and get the user settings
 115                 // accordingly
 116                 if ($a->is_mobile) {
 117                         $itemspage_network = PConfig::get(local_user(), 'system', 'itemspage_mobile_network', 20);
 118                 } else {
 119                         $itemspage_network = PConfig::get(local_user(), 'system', 'itemspage_network', 40);
 120                 }
 121
 122                 // now that we have the user settings, see if the theme forces
 123                 // a maximum item number which is lower then the user choice
 124                 if (($a->force_max_items > 0) && ($a->force_max_items < $itemspage_network)) {
 125                         $itemspage_network = $a->force_max_items;
 126                 }
 127
 128                 $a->set_pager_itemspage($itemspage_network);
 129         }
 130
 131         $r = community_getitems($a->pager['start'], $a->pager['itemspage'], $content);
 132
 133         if (!DBM::is_result($r)) {
 134                 info(t('No results.') . EOL);
 135                 return $o;
 136         }
 137
 138         $maxpostperauthor = (int) Config::get('system', 'max_author_posts_community_page');
 139
 140         if (($maxpostperauthor != 0) && ($content == 'local')) {
 141                 $count = 1;
 142                 $previousauthor = "";
 143                 $numposts = 0;
 144                 $s = array();
 145
 146                 do {
 147                         foreach ($r as $item) {
 148                                 if ($previousauthor == $item["author-link"]) {
 149                                         ++$numposts;
 150                                 } else {
 151                                         $numposts = 0;
 152                                 }
 153                                 $previousauthor = $item["author-link"];
 154
 155                                 if (($numposts < $maxpostperauthor) && (count($s) < $a->pager['itemspage'])) {
 156                                         $s[] = $item;
 157                                 }
 158                         }
 159                         if (count($s) < $a->pager['itemspage']) {
 160                                 $r = community_getitems($a->pager['start'] + ($count * $a->pager['itemspage']), $a->pager['itemspage'], $content);
 161                         }
 162                 } while ((count($s) < $a->pager['itemspage']) && ( ++$count < 50) && (count($r) > 0));
 163         } else {
 164                 $s = $r;
 165         }
 166
 167         $o .= conversation($a, $s, 'community', $update);
 168
 169         if (!$update) {
 170                 $o .= alt_pager($a, count($r));
 171         }
 172
 173         $t = get_markup_template("community.tpl");
 174         return replace_macros($t, array(
 175                 '$content' => $o,
 176                 '$header' => '',
 177                 '$show_global_community_hint' => ($content == 'global') && Config::get('system', 'show_global_community_hint'),
 178                 '$global_community_hint' => t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
 179         ));
 180 }
 181
 182 function community_getitems($start, $itemspage, $content)
 183 {
 184         if ($content == 'local') {
 185                 $r = dba::p("SELECT " . item_fieldlists() . " FROM `thread`
 186                         INNER JOIN `user` ON `user`.`uid` = `thread`.`uid` AND NOT `user`.`hidewall`
 187                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
 188                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 189                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''" .
 190                         item_joins() . " AND `contact`.`self`
 191                         WHERE `thread`.`visible` AND NOT `thread`.`deleted` AND NOT `thread`.`moderated`
 192                         AND NOT `thread`.`private` AND `thread`.`wall`
 193                         ORDER BY `thread`.`received` DESC LIMIT " . intval($start) . ", " . intval($itemspage)
 194                 );
 195                 return dba::inArray($r);
 196         } elseif ($content == 'global') {
 197                 $r = dba::p("SELECT " . item_fieldlists() . " FROM `thread`
 198                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid` " . item_joins() .
 199                                 "WHERE `thread`.`uid` = 0 AND `verb` = ?
 200                         ORDER BY `thread`.`created` DESC LIMIT " . intval($start) . ", " . intval($itemspage),
 201                         ACTIVITY_POST
 202                 );
 203                 return dba::inArray($r);
 204         }
 205
 206         // Should never happen
 207         return array();
 208 }