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