mod/community.php

   1 <?php
   2 /**
   3  * @file mod/community.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\Content\Feature;
   8 use Friendica\Content\Nav;
   9 use Friendica\Content\Pager;
  10 use Friendica\Content\Widget\TrendingTags;
  11 use Friendica\Core\ACL;
  12 use Friendica\Core\Renderer;
  13 use Friendica\Core\Session;
  14 use Friendica\Database\DBA;
  15 use Friendica\DI;
  16 use Friendica\Model\Item;
  17 use Friendica\Model\User;
  18
  19 function community_content(App $a, $update = 0)
  20 {
  21         $o = '';
  22
  23         if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
  24                 notice(DI::l10n()->t('Public access denied.') . EOL);
  25                 return;
  26         }
  27
  28         $page_style = DI::config()->get('system', 'community_page_style');
  29
  30         if ($page_style == CP_NO_INTERNAL_COMMUNITY) {
  31                 notice(DI::l10n()->t('Access denied.') . EOL);
  32                 return;
  33         }
  34
  35         $accounttype = null;
  36
  37         if ($a->argc > 2) {
  38                 switch ($a->argv[2]) {
  39                         case 'person':
  40                                 $accounttype = User::ACCOUNT_TYPE_PERSON;
  41                                 break;
  42                         case 'organisation':
  43                                 $accounttype = User::ACCOUNT_TYPE_ORGANISATION;
  44                                 break;
  45                         case 'news':
  46                                 $accounttype = User::ACCOUNT_TYPE_NEWS;
  47                                 break;
  48                         case 'community':
  49                                 $accounttype = User::ACCOUNT_TYPE_COMMUNITY;
  50                                 break;
  51                 }
  52         }
  53
  54         if ($a->argc > 1) {
  55                 $content = $a->argv[1];
  56         } else {
  57                 if (!empty(DI::config()->get('system', 'singleuser'))) {
  58                         // On single user systems only the global page does make sense
  59                         $content = 'global';
  60                 } else {
  61                         // When only the global community is allowed, we use this as default
  62                         $content = $page_style == CP_GLOBAL_COMMUNITY ? 'global' : 'local';
  63                 }
  64         }
  65
  66         if (!in_array($content, ['local', 'global'])) {
  67                 notice(DI::l10n()->t('Community option not available.') . EOL);
  68                 return;
  69         }
  70
  71         // Check if we are allowed to display the content to visitors
  72         if (!local_user()) {
  73                 $available = $page_style == CP_USERS_AND_GLOBAL;
  74
  75                 if (!$available) {
  76                         $available = ($page_style == CP_USERS_ON_SERVER) && ($content == 'local');
  77                 }
  78
  79                 if (!$available) {
  80                         $available = ($page_style == CP_GLOBAL_COMMUNITY) && ($content == 'global');
  81                 }
  82
  83                 if (!$available) {
  84                         notice(DI::l10n()->t('Not available.') . EOL);
  85                         return;
  86                 }
  87         }
  88
  89         if (!$update) {
  90                 $tabs = [];
  91
  92                 if ((local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_USERS_ON_SERVER])) && empty(DI::config()->get('system', 'singleuser'))) {
  93                         $tabs[] = [
  94                                 'label' => DI::l10n()->t('Local Community'),
  95                                 'url' => 'community/local',
  96                                 'sel' => $content == 'local' ? 'active' : '',
  97                                 'title' => DI::l10n()->t('Posts from local users on this server'),
  98                                 'id' => 'community-local-tab',
  99                                 'accesskey' => 'l'
 100                         ];
 101                 }
 102
 103                 if (local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_GLOBAL_COMMUNITY])) {
 104                         $tabs[] = [
 105                                 'label' => DI::l10n()->t('Global Community'),
 106                                 'url' => 'community/global',
 107                                 'sel' => $content == 'global' ? 'active' : '',
 108                                 'title' => DI::l10n()->t('Posts from users of the whole federated network'),
 109                                 'id' => 'community-global-tab',
 110                                 'accesskey' => 'g'
 111                         ];
 112                 }
 113
 114                 $tab_tpl = Renderer::getMarkupTemplate('common_tabs.tpl');
 115                 $o .= Renderer::replaceMacros($tab_tpl, ['$tabs' => $tabs]);
 116
 117                 Nav::setSelected('community');
 118
 119                 // We need the editor here to be able to reshare an item.
 120                 if (local_user()) {
 121                         $x = [
 122                                 'is_owner' => true,
 123                                 'allow_location' => $a->user['allow_location'],
 124                                 'default_location' => $a->user['default-location'],
 125                                 'nickname' => $a->user['nickname'],
 126                                 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
 127                                 'acl' => ACL::getFullSelectorHTML(DI::page(), $a->user, true),
 128                                 'bang' => '',
 129                                 'visitor' => 'block',
 130                                 'profile_uid' => local_user(),
 131                         ];
 132                         $o .= status_editor($a, $x, 0, true);
 133                 }
 134         }
 135
 136         // check if we serve a mobile device and get the user settings accordingly
 137         if (DI::mode()->isMobile()) {
 138                 $itemspage_network = DI::pConfig()->get(local_user(), 'system', 'itemspage_mobile_network', 20);
 139         } else {
 140                 $itemspage_network = DI::pConfig()->get(local_user(), 'system', 'itemspage_network', 40);
 141         }
 142
 143         // now that we have the user settings, see if the theme forces
 144         // a maximum item number which is lower then the user choice
 145         if (($a->force_max_items > 0) && ($a->force_max_items < $itemspage_network)) {
 146                 $itemspage_network = $a->force_max_items;
 147         }
 148
 149         $pager = new Pager(DI::args()->getQueryString(), $itemspage_network);
 150
 151         $r = community_getitems($pager->getStart(), $pager->getItemsPerPage(), $content, $accounttype);
 152
 153         if (!DBA::isResult($r)) {
 154                 info(DI::l10n()->t('No results.') . EOL);
 155                 return $o;
 156         }
 157
 158         $maxpostperauthor = (int) DI::config()->get('system', 'max_author_posts_community_page');
 159
 160         if (($maxpostperauthor != 0) && ($content == 'local')) {
 161                 $count = 1;
 162                 $previousauthor = "";
 163                 $numposts = 0;
 164                 $s = [];
 165
 166                 do {
 167                         foreach ($r as $item) {
 168                                 if ($previousauthor == $item["author-link"]) {
 169                                         ++$numposts;
 170                                 } else {
 171                                         $numposts = 0;
 172                                 }
 173                                 $previousauthor = $item["author-link"];
 174
 175                                 if (($numposts < $maxpostperauthor) && (count($s) < $pager->getItemsPerPage())) {
 176                                         $s[] = $item;
 177                                 }
 178                         }
 179                         if (count($s) < $pager->getItemsPerPage()) {
 180                                 $r = community_getitems($pager->getStart() + ($count * $pager->getItemsPerPage()), $pager->getItemsPerPage(), $content, $accounttype);
 181                         }
 182                 } while ((count($s) < $pager->getItemsPerPage()) && ( ++$count < 50) && (count($r) > 0));
 183         } else {
 184                 $s = $r;
 185         }
 186
 187         $o .= conversation($a, $s, $pager, 'community', $update, false, 'commented', local_user());
 188
 189         if (!$update) {
 190                 $o .= $pager->renderMinimal(count($r));
 191         }
 192
 193         if (empty(DI::page()['aside'])) {
 194                 DI::page()['aside'] = '';
 195         }
 196
 197         if (Feature::isEnabled(local_user(), 'trending_tags')) {
 198                 DI::page()['aside'] .= TrendingTags::getHTML($content);
 199         }
 200
 201         $t = Renderer::getMarkupTemplate("community.tpl");
 202         return Renderer::replaceMacros($t, [
 203                 '$content' => $o,
 204                 '$header' => '',
 205                 '$show_global_community_hint' => ($content == 'global') && DI::config()->get('system', 'show_global_community_hint'),
 206                 '$global_community_hint' => DI::l10n()->t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
 207         ]);
 208 }
 209
 210 function community_getitems($start, $itemspage, $content, $accounttype)
 211 {
 212         if ($content == 'local') {
 213                 if (!is_null($accounttype)) {
 214                         $sql_accounttype = " AND `user`.`account-type` = ?";
 215                         $values = [$accounttype, $start, $itemspage];
 216                 } else {
 217                         $sql_accounttype = "";
 218                         $values = [$start, $itemspage];
 219                 }
 220
 221                 /// @todo Use "unsearchable" here as well (instead of "hidewall")
 222                 $r = DBA::p("SELECT `item`.`uri`, `author`.`url` AS `author-link` FROM `thread`
 223                         STRAIGHT_JOIN `user` ON `user`.`uid` = `thread`.`uid` AND NOT `user`.`hidewall`
 224                         STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid`
 225                         STRAIGHT_JOIN `contact` AS `author` ON `author`.`id`=`item`.`author-id`
 226                         WHERE `thread`.`visible` AND NOT `thread`.`deleted` AND NOT `thread`.`moderated`
 227                         AND NOT `thread`.`private` AND `thread`.`wall` AND `thread`.`origin` $sql_accounttype
 228                         ORDER BY `thread`.`commented` DESC LIMIT ?, ?", $values);
 229                 return DBA::toArray($r);
 230         } elseif ($content == 'global') {
 231                 if (!is_null($accounttype)) {
 232                         $condition = ["`uid` = ? AND NOT `author`.`unsearchable` AND NOT `owner`.`unsearchable` AND `owner`.`contact-type` = ?", 0, $accounttype];
 233                 } else {
 234                         $condition = ["`uid` = ? AND NOT `author`.`unsearchable` AND NOT `owner`.`unsearchable`", 0];
 235                 }
 236
 237                 $r = Item::selectThreadForUser(0, ['uri'], $condition, ['order' => ['commented' => true], 'limit' => [$start, $itemspage]]);
 238                 return DBA::toArray($r);
 239         }
 240
 241         // Should never happen
 242         return [];
 243 }