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_init(App $a)
  21 {
  22         if (!local_user()) {
  23                 unset($_SESSION['theme']);
  24                 unset($_SESSION['mobile-theme']);
  25         }
  26 }
  27
  28 function community_content(App $a, $update = 0)
  29 {
  30         $o = '';
  31
  32         if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
  33                 notice(L10n::t('Public access denied.') . EOL);
  34                 return;
  35         }
  36
  37         $page_style = Config::get('system', 'community_page_style');
  38
  39         if ($page_style == CP_NO_INTERNAL_COMMUNITY) {
  40                 notice(L10n::t('Access denied.') . EOL);
  41                 return;
  42         }
  43
  44         $accounttype = null;
  45
  46         if ($a->argc > 2) {
  47                 switch ($a->argv[2]) {
  48                         case 'person':
  49                                 $accounttype = User::ACCOUNT_TYPE_PERSON;
  50                                 break;
  51                         case 'organisation':
  52                                 $accounttype = User::ACCOUNT_TYPE_ORGANISATION;
  53                                 break;
  54                         case 'news':
  55                                 $accounttype = User::ACCOUNT_TYPE_NEWS;
  56                                 break;
  57                         case 'community':
  58                                 $accounttype = User::ACCOUNT_TYPE_COMMUNITY;
  59                                 break;
  60                 }
  61         }
  62
  63         if ($a->argc > 1) {
  64                 $content = $a->argv[1];
  65         } else {
  66                 if (!empty(Config::get('system', 'singleuser'))) {
  67                         // On single user systems only the global page does make sense
  68                         $content = 'global';
  69                 } else {
  70                         // When only the global community is allowed, we use this as default
  71                         $content = $page_style == CP_GLOBAL_COMMUNITY ? 'global' : 'local';
  72                 }
  73         }
  74
  75         if (!in_array($content, ['local', 'global'])) {
  76                 notice(L10n::t('Community option not available.') . EOL);
  77                 return;
  78         }
  79
  80         // Check if we are allowed to display the content to visitors
  81         if (!local_user()) {
  82                 $available = $page_style == CP_USERS_AND_GLOBAL;
  83
  84                 if (!$available) {
  85                         $available = ($page_style == CP_USERS_ON_SERVER) && ($content == 'local');
  86                 }
  87
  88                 if (!$available) {
  89                         $available = ($page_style == CP_GLOBAL_COMMUNITY) && ($content == 'global');
  90                 }
  91
  92                 if (!$available) {
  93                         notice(L10n::t('Not available.') . EOL);
  94                         return;
  95                 }
  96         }
  97
  98         if (!$update) {
  99                 $tabs = [];
 100
 101                 if ((local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_USERS_ON_SERVER])) && empty(Config::get('system', 'singleuser'))) {
 102                         $tabs[] = [
 103                                 'label' => L10n::t('Local Community'),
 104                                 'url' => 'community/local',
 105                                 'sel' => $content == 'local' ? 'active' : '',
 106                                 'title' => L10n::t('Posts from local users on this server'),
 107                                 'id' => 'community-local-tab',
 108                                 'accesskey' => 'l'
 109                         ];
 110                 }
 111
 112                 if (local_user() || in_array($page_style, [CP_USERS_AND_GLOBAL, CP_GLOBAL_COMMUNITY])) {
 113                         $tabs[] = [
 114                                 'label' => L10n::t('Global Community'),
 115                                 'url' => 'community/global',
 116                                 'sel' => $content == 'global' ? 'active' : '',
 117                                 'title' => L10n::t('Posts from users of the whole federated network'),
 118                                 'id' => 'community-global-tab',
 119                                 'accesskey' => 'g'
 120                         ];
 121                 }
 122
 123                 $tab_tpl = Renderer::getMarkupTemplate('common_tabs.tpl');
 124                 $o .= Renderer::replaceMacros($tab_tpl, ['$tabs' => $tabs]);
 125
 126                 Nav::setSelected('community');
 127
 128                 // We need the editor here to be able to reshare an item.
 129                 if (local_user()) {
 130                         $x = [
 131                                 'is_owner' => true,
 132                                 'allow_location' => $a->user['allow_location'],
 133                                 'default_location' => $a->user['default-location'],
 134                                 'nickname' => $a->user['nickname'],
 135                                 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
 136                                 'acl' => ACL::getFullSelectorHTML($a->user, true),
 137                                 'bang' => '',
 138                                 'visitor' => 'block',
 139                                 'profile_uid' => local_user(),
 140                         ];
 141                         $o .= status_editor($a, $x, 0, true);
 142                 }
 143         }
 144
 145         // check if we serve a mobile device and get the user settings accordingly
 146         if ($a->is_mobile) {
 147                 $itemspage_network = PConfig::get(local_user(), 'system', 'itemspage_mobile_network', 20);
 148         } else {
 149                 $itemspage_network = PConfig::get(local_user(), 'system', 'itemspage_network', 40);
 150         }
 151
 152         // now that we have the user settings, see if the theme forces
 153         // a maximum item number which is lower then the user choice
 154         if (($a->force_max_items > 0) && ($a->force_max_items < $itemspage_network)) {
 155                 $itemspage_network = $a->force_max_items;
 156         }
 157
 158         $pager = new Pager($a->query_string, $itemspage_network);
 159
 160         $r = community_getitems($pager->getStart(), $pager->getItemsPerPage(), $content, $accounttype);
 161
 162         if (!DBA::isResult($r)) {
 163                 info(L10n::t('No results.') . EOL);
 164                 return $o;
 165         }
 166
 167         $maxpostperauthor = (int) Config::get('system', 'max_author_posts_community_page');
 168
 169         if (($maxpostperauthor != 0) && ($content == 'local')) {
 170                 $count = 1;
 171                 $previousauthor = "";
 172                 $numposts = 0;
 173                 $s = [];
 174
 175                 do {
 176                         foreach ($r as $item) {
 177                                 if ($previousauthor == $item["author-link"]) {
 178                                         ++$numposts;
 179                                 } else {
 180                                         $numposts = 0;
 181                                 }
 182                                 $previousauthor = $item["author-link"];
 183
 184                                 if (($numposts < $maxpostperauthor) && (count($s) < $pager->getItemsPerPage())) {
 185                                         $s[] = $item;
 186                                 }
 187                         }
 188                         if (count($s) < $pager->getItemsPerPage()) {
 189                                 $r = community_getitems($pager->getStart() + ($count * $pager->getItemsPerPage()), $pager->getItemsPerPage(), $content, $accounttype);
 190                         }
 191                 } while ((count($s) < $pager->getItemsPerPage()) && ( ++$count < 50) && (count($r) > 0));
 192         } else {
 193                 $s = $r;
 194         }
 195
 196         $o .= conversation($a, $s, $pager, 'community', $update, false, 'commented', local_user());
 197
 198         if (!$update) {
 199                 $o .= $pager->renderMinimal(count($r));
 200         }
 201
 202         if (empty($a->page['aside'])) {
 203                 $a->page['aside'] = '';
 204         }
 205
 206         if (Feature::isEnabled(local_user(), 'trending_tags')) {
 207                 $a->page['aside'] .= TrendingTags::getHTML($content);
 208         }
 209
 210         $t = Renderer::getMarkupTemplate("community.tpl");
 211         return Renderer::replaceMacros($t, [
 212                 '$content' => $o,
 213                 '$header' => '',
 214                 '$show_global_community_hint' => ($content == 'global') && Config::get('system', 'show_global_community_hint'),
 215                 '$global_community_hint' => L10n::t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
 216         ]);
 217 }
 218
 219 function community_getitems($start, $itemspage, $content, $accounttype)
 220 {
 221         if ($content == 'local') {
 222                 if (!is_null($accounttype)) {
 223                         $sql_accounttype = " AND `user`.`account-type` = ?";
 224                         $values = [$accounttype, $start, $itemspage];
 225                 } else {
 226                         $sql_accounttype = "";
 227                         $values = [$start, $itemspage];
 228                 }
 229
 230                 /// @todo Use "unsearchable" here as well (instead of "hidewall")
 231                 $r = DBA::p("SELECT `item`.`uri`, `author`.`url` AS `author-link` FROM `thread`
 232                         STRAIGHT_JOIN `user` ON `user`.`uid` = `thread`.`uid` AND NOT `user`.`hidewall`
 233                         STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid`
 234                         STRAIGHT_JOIN `contact` AS `author` ON `author`.`id`=`item`.`author-id`
 235                         WHERE `thread`.`visible` AND NOT `thread`.`deleted` AND NOT `thread`.`moderated`
 236                         AND NOT `thread`.`private` AND `thread`.`wall` AND `thread`.`origin` $sql_accounttype
 237                         ORDER BY `thread`.`commented` DESC LIMIT ?, ?", $values);
 238                 return DBA::toArray($r);
 239         } elseif ($content == 'global') {
 240                 if (!is_null($accounttype)) {
 241                         $condition = ["`uid` = ? AND NOT `author`.`unsearchable` AND NOT `owner`.`unsearchable` AND `owner`.`contact-type` = ?", 0, $accounttype];
 242                 } else {
 243                         $condition = ["`uid` = ? AND NOT `author`.`unsearchable` AND NOT `owner`.`unsearchable`", 0];
 244                 }
 245
 246                 $r = Item::selectThreadForUser(0, ['uri'], $condition, ['order' => ['commented' => true], 'limit' => [$start, $itemspage]]);
 247                 return DBA::toArray($r);
 248         }
 249
 250         // Should never happen
 251         return [];
 252 }