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\DBA;
  13 use Friendica\Model\Contact;
  14
  15 function community_init(App $a)
  16 {
  17         if (!local_user()) {
  18                 unset($_SESSION['theme']);
  19                 unset($_SESSION['mobile-theme']);
  20         }
  21 }
  22
  23 function community_content(App $a, $update = 0)
  24 {
  25         $o = '';
  26
  27         if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
  28                 notice(L10n::t('Public access denied.') . EOL);
  29                 return;
  30         }
  31
  32         $page_style = Config::get('system', 'community_page_style');
  33
  34         if ($page_style == CP_NO_INTERNAL_COMMUNITY) {
  35                 notice(L10n::t('Access denied.') . EOL);
  36                 return;
  37         }
  38
  39         $accounttype = null;
  40
  41         if ($a->argc > 2) {
  42                 switch ($a->argv[2]) {
  43                         case 'person':
  44                                 $accounttype = Contact::ACCOUNT_TYPE_PERSON;
  45                                 break;
  46                         case 'organisation':
  47                                 $accounttype = Contact::ACCOUNT_TYPE_ORGANISATION;
  48                                 break;
  49                         case 'news':
  50                                 $accounttype = Contact::ACCOUNT_TYPE_NEWS;
  51                                 break;
  52                         case 'community':
  53                                 $accounttype = Contact::ACCOUNT_TYPE_COMMUNITY;
  54                                 break;
  55                 }
  56         }
  57
  58         if ($a->argc > 1) {
  59                 $content = $a->argv[1];
  60         } else {
  61                 if (!empty(Config::get('system', 'singleuser'))) {
  62                         // On single user systems only the global page does make sense
  63                         $content = 'global';
  64                 } else {
  65                         // When only the global community is allowed, we use this as default
  66                         $content = $page_style == CP_GLOBAL_COMMUNITY ? 'global' : 'local';
  67                 }
  68         }
  69
  70         if (!in_array($content, ['local', 'global'])) {
  71                 notice(L10n::t('Community option not available.') . EOL);
  72                 return;
  73         }
  74
  75         // Check if we are allowed to display the content to visitors
  76         if (!local_user()) {
  77                 $available = $page_style == CP_USERS_AND_GLOBAL;
  78
  79                 if (!$available) {
  80                         $available = ($page_style == CP_USERS_ON_SERVER) && ($content == 'local');
  81                 }
  82
  83                 if (!$available) {
  84                         $available = ($page_style == CP_GLOBAL_COMMUNITY) && ($content == 'global');
  85                 }
  86
  87                 if (!$available) {
  88                         notice(L10n::t('Not available.') . EOL);
  89                         return;
  90                 }
  91         }
  92
  93         require_once 'include/security.php';
  94         require_once 'include/conversation.php';
  95
  96         if (!$update) {
  97                 $tabs = [];
  98
  99                 if ((local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_USERS_ON_SERVER])) && empty(Config::get('system', 'singleuser'))) {
 100                         $tabs[] = [
 101                                 'label' => L10n::t('Local Community'),
 102                                 'url' => 'community/local',
 103                                 'sel' => $content == 'local' ? 'active' : '',
 104                                 'title' => L10n::t('Posts from local users on this server'),
 105                                 'id' => 'community-local-tab',
 106                                 'accesskey' => 'l'
 107                         ];
 108                 }
 109
 110                 if (local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_GLOBAL_COMMUNITY])) {
 111                         $tabs[] = [
 112                                 'label' => L10n::t('Global Community'),
 113                                 'url' => 'community/global',
 114                                 'sel' => $content == 'global' ? 'active' : '',
 115                                 'title' => L10n::t('Posts from users of the whole federated network'),
 116                                 'id' => 'community-global-tab',
 117                                 'accesskey' => 'g'
 118                         ];
 119                 }
 120
 121                 $tab_tpl = get_markup_template('common_tabs.tpl');
 122                 $o .= replace_macros($tab_tpl, ['$tabs' => $tabs]);
 123
 124                 Nav::setSelected('community');
 125
 126                 // We need the editor here to be able to reshare an item.
 127                 if (local_user()) {
 128                         $x = [
 129                                 'is_owner' => true,
 130                                 'allow_location' => $a->user['allow_location'],
 131                                 'default_location' => $a->user['default-location'],
 132                                 'nickname' => $a->user['nickname'],
 133                                 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
 134                                 'acl' => ACL::getFullSelectorHTML($a->user, true),
 135                                 'bang' => '',
 136                                 'visitor' => 'block',
 137                                 'profile_uid' => local_user(),
 138                         ];
 139                         $o .= status_editor($a, $x, 0, true);
 140                 }
 141         }
 142
 143         // check if we serve a mobile device and get the user settings accordingly
 144         if ($a->is_mobile) {
 145                 $itemspage_network = PConfig::get(local_user(), 'system', 'itemspage_mobile_network', 20);
 146         } else {
 147                 $itemspage_network = PConfig::get(local_user(), 'system', 'itemspage_network', 40);
 148         }
 149
 150         // now that we have the user settings, see if the theme forces
 151         // a maximum item number which is lower then the user choice
 152         if (($a->force_max_items > 0) && ($a->force_max_items < $itemspage_network)) {
 153                 $itemspage_network = $a->force_max_items;
 154         }
 155
 156         $a->set_pager_itemspage($itemspage_network);
 157
 158         $r = community_getitems($a->pager['start'], $a->pager['itemspage'], $content, $accounttype);
 159
 160         if (!DBA::isResult($r)) {
 161                 info(L10n::t('No results.') . EOL);
 162                 return $o;
 163         }
 164
 165         $maxpostperauthor = (int) Config::get('system', 'max_author_posts_community_page');
 166
 167         if (($maxpostperauthor != 0) && ($content == 'local')) {
 168                 $count = 1;
 169                 $previousauthor = "";
 170                 $numposts = 0;
 171                 $s = [];
 172
 173                 do {
 174                         foreach ($r as $item) {
 175                                 if ($previousauthor == $item["author-link"]) {
 176                                         ++$numposts;
 177                                 } else {
 178                                         $numposts = 0;
 179                                 }
 180                                 $previousauthor = $item["author-link"];
 181
 182                                 if (($numposts < $maxpostperauthor) && (count($s) < $a->pager['itemspage'])) {
 183                                         $s[] = $item;
 184                                 }
 185                         }
 186                         if (count($s) < $a->pager['itemspage']) {
 187                                 $r = community_getitems($a->pager['start'] + ($count * $a->pager['itemspage']), $a->pager['itemspage'], $content, $accounttype);
 188                         }
 189                 } while ((count($s) < $a->pager['itemspage']) && ( ++$count < 50) && (count($r) > 0));
 190         } else {
 191                 $s = $r;
 192         }
 193
 194         $o .= conversation($a, $s, 'community', $update, false, 'commented', local_user());
 195
 196         if (!$update) {
 197                 $o .= alt_pager($a, count($r));
 198         }
 199
 200         $t = get_markup_template("community.tpl");
 201         return replace_macros($t, [
 202                 '$content' => $o,
 203                 '$header' => '',
 204                 '$show_global_community_hint' => ($content == 'global') && Config::get('system', 'show_global_community_hint'),
 205                 '$global_community_hint' => L10n::t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
 206         ]);
 207 }
 208
 209 function community_getitems($start, $itemspage, $content, $accounttype)
 210 {
 211         if ($content == 'local') {
 212                 if (!is_null($accounttype)) {
 213                         $sql_accounttype = " AND `user`.`account-type` = ?";
 214                         $values = [$accounttype, $start, $itemspage];
 215                 } else {
 216                         $sql_accounttype = "";
 217                         $values = [$start, $itemspage];
 218                 }
 219
 220                 $r = DBA::p("SELECT `item`.`uri`, `author`.`url` AS `author-link` FROM `thread`
 221                         INNER JOIN `user` ON `user`.`uid` = `thread`.`uid` AND NOT `user`.`hidewall`
 222                         INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
 223                         INNER JOIN `contact` AS `author` ON `author`.`id`=`item`.`author-id`
 224                         WHERE `thread`.`visible` AND NOT `thread`.`deleted` AND NOT `thread`.`moderated`
 225                         AND NOT `thread`.`private` AND `thread`.`wall` AND `thread`.`origin` $sql_accounttype
 226                         ORDER BY `thread`.`commented` DESC LIMIT ?, ?", $values);
 227                 return DBA::toArray($r);
 228         } elseif ($content == 'global') {
 229                 if (!is_null($accounttype)) {
 230                         $sql_accounttype = " AND `owner`.`contact-type` = ?";
 231                         $values = [$accounttype, $start, $itemspage];
 232                 } else {
 233                         $sql_accounttype = "";
 234                         $values = [$start, $itemspage];
 235                 }
 236
 237                 $r = DBA::p("SELECT `uri` FROM `thread`
 238                                 INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
 239                                 INNER JOIN `contact` AS `author` ON `author`.`id`=`item`.`author-id`
 240                                 INNER JOIN `contact` AS `owner` ON `owner`.`id`=`item`.`owner-id`
 241                                 WHERE `thread`.`uid` = 0 AND NOT `author`.`hidden` AND NOT `author`.`blocked` $sql_accounttype
 242                                 ORDER BY `thread`.`commented` DESC LIMIT ?, ?", $values);
 243                 return DBA::toArray($r);
 244         }
 245
 246         // Should never happen
 247         return [];
 248 }