mod/community.php

   1 <?php
   2 /**
   3  * @file mod/community.php
   4  */
   5 use Friendica\App;
   6 use Friendica\Content\Nav;
   7 use Friendica\Core\Config;
   8 use Friendica\Core\PConfig;
   9 use Friendica\Database\DBM;
  10
  11 function community_init(App $a)
  12 {
  13         if (!local_user()) {
  14                 unset($_SESSION['theme']);
  15                 unset($_SESSION['mobile-theme']);
  16         }
  17 }
  18
  19 function community_content(App $a, $update = 0)
  20 {
  21         $o = '';
  22
  23         if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
  24                 notice(t('Public access denied.') . EOL);
  25                 return;
  26         }
  27
  28         $page_style = Config::get('system', 'community_page_style');
  29
  30         if ($a->argc > 1) {
  31                 $content = $a->argv[1];
  32         } else {
  33                 if (!empty(Config::get('system','singleuser'))) {
  34                         // On single user systems only the global page does make sense
  35                         $content = 'global';
  36                 } else {
  37                         // When only the global community is allowed, we use this as default
  38                         $content = $page_style == CP_GLOBAL_COMMUNITY ? 'global' : 'local';
  39                 }
  40         }
  41
  42         if (!in_array($content, ['local', 'global'])) {
  43                 notice(t('Community option not available.') . EOL);
  44                 return;
  45         }
  46
  47         // Check if we are allowed to display the content to visitors
  48         if (!local_user()) {
  49                 $available = $page_style == CP_USERS_AND_GLOBAL;
  50
  51                 if (!$available) {
  52                         $available = ($page_style == CP_USERS_ON_SERVER) && ($content == 'local');
  53                 }
  54
  55                 if (!$available) {
  56                         $available = ($page_style == CP_GLOBAL_COMMUNITY) && ($content == 'global');
  57                 }
  58
  59                 if (!$available) {
  60                         notice(t('Not available.') . EOL);
  61                         return;
  62                 }
  63         }
  64
  65         require_once 'include/bbcode.php';
  66         require_once 'include/security.php';
  67         require_once 'include/conversation.php';
  68
  69         if (!$update) {
  70                 $tabs = [];
  71
  72                 if ((local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_USERS_ON_SERVER])) && empty(Config::get('system','singleuser'))) {
  73                         $tabs[] = [
  74                                 'label' => t('Community'),
  75                                 'url' => 'community/local',
  76                                 'sel' => $content == 'local' ? 'active' : '',
  77                                 'title' => t('Posts from local users on this server'),
  78                                 'id' => 'community-local-tab',
  79                                 'accesskey' => 'l'
  80                         ];
  81                 }
  82
  83                 if (local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_GLOBAL_COMMUNITY])) {
  84                         $tabs[] = [
  85                                 'label' => t('Global Timeline'),
  86                                 'url' => 'community/global',
  87                                 'sel' => $content == 'global' ? 'active' : '',
  88                                 'title' => t('Posts from users of the federated network'),
  89                                 'id' => 'community-global-tab',
  90                                 'accesskey' => 'g'
  91                         ];
  92                 }
  93
  94                 $tab_tpl = get_markup_template('common_tabs.tpl');
  95                 $o .= replace_macros($tab_tpl, ['$tabs' => $tabs]);
  96
  97                 Nav::setSelected('community');
  98
  99                 // We need the editor here to be able to reshare an item.
 100                 if (local_user()) {
 101                         $x = [
 102                                 'is_owner' => true,
 103                                 'allow_location' => $a->user['allow_location'],
 104                                 'default_location' => $a->user['default-location'],
 105                                 'nickname' => $a->user['nickname'],
 106                                 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
 107                                 'acl' => populate_acl($a->user, true),
 108                                 'bang' => '',
 109                                 'visitor' => 'block',
 110                                 'profile_uid' => local_user(),
 111                         ];
 112                         $o .= status_editor($a, $x, 0, true);
 113                 }
 114         }
 115
 116         if (Config::get('system', 'comment_public')) {
 117                 // check if we serve a mobile device and get the user settings
 118                 // accordingly
 119                 if ($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
 134         $r = community_getitems($a->pager['start'], $a->pager['itemspage'], $content);
 135
 136         if (!DBM::is_result($r)) {
 137                 info(t('No results.') . EOL);
 138                 return $o;
 139         }
 140
 141         $maxpostperauthor = (int) Config::get('system', 'max_author_posts_community_page');
 142
 143         if (($maxpostperauthor != 0) && ($content == 'local')) {
 144                 $count = 1;
 145                 $previousauthor = "";
 146                 $numposts = 0;
 147                 $s = [];
 148
 149                 do {
 150                         foreach ($r as $item) {
 151                                 if ($previousauthor == $item["author-link"]) {
 152                                         ++$numposts;
 153                                 } else {
 154                                         $numposts = 0;
 155                                 }
 156                                 $previousauthor = $item["author-link"];
 157
 158                                 if (($numposts < $maxpostperauthor) && (count($s) < $a->pager['itemspage'])) {
 159                                         $s[] = $item;
 160                                 }
 161                         }
 162                         if (count($s) < $a->pager['itemspage']) {
 163                                 $r = community_getitems($a->pager['start'] + ($count * $a->pager['itemspage']), $a->pager['itemspage'], $content);
 164                         }
 165                 } while ((count($s) < $a->pager['itemspage']) && ( ++$count < 50) && (count($r) > 0));
 166         } else {
 167                 $s = $r;
 168         }
 169
 170         $o .= conversation($a, $s, 'community', $update);
 171
 172         if (!$update) {
 173                 $o .= alt_pager($a, count($r));
 174         }
 175
 176         $t = get_markup_template("community.tpl");
 177         return replace_macros($t, [
 178                 '$content' => $o,
 179                 '$header' => '',
 180                 '$show_global_community_hint' => ($content == 'global') && Config::get('system', 'show_global_community_hint'),
 181                 '$global_community_hint' => t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
 182         ]);
 183 }
 184
 185 function community_getitems($start, $itemspage, $content)
 186 {
 187         if ($content == 'local') {
 188                 $r = dba::p("SELECT " . item_fieldlists() . " FROM `thread`
 189                         INNER JOIN `user` ON `user`.`uid` = `thread`.`uid` AND NOT `user`.`hidewall`
 190                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
 191                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 192                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''" .
 193                         item_joins() . " AND `contact`.`self`
 194                         WHERE `thread`.`visible` AND NOT `thread`.`deleted` AND NOT `thread`.`moderated`
 195                         AND NOT `thread`.`private` AND `thread`.`wall`
 196                         ORDER BY `thread`.`commented` DESC LIMIT " . intval($start) . ", " . intval($itemspage)
 197                 );
 198                 return dba::inArray($r);
 199         } elseif ($content == 'global') {
 200                 $r = dba::p("SELECT " . item_fieldlists() . " FROM `thread`
 201                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid` " . item_joins() .
 202                                 "WHERE `thread`.`uid` = 0 AND `verb` = ?
 203                         ORDER BY `thread`.`commented` DESC LIMIT " . intval($start) . ", " . intval($itemspage),
 204                         ACTIVITY_POST
 205                 );
 206                 return dba::inArray($r);
 207         }
 208
 209         // Should never happen
 210         return [];
 211 }