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