src/Model/UserItem.php

   1 <?php
   2
   3 /**
   4  * @file src/Model/UserItem.php
   5  */
   6
   7 namespace Friendica\Model;
   8
   9 use Friendica\Core\Logger;
  10 use Friendica\Core\Hook;
  11 use Friendica\Database\DBA;
  12 use Friendica\DI;
  13 use Friendica\Util\Strings;
  14
  15 class UserItem
  16 {
  17         const NOTIF_NONE = 0;
  18         const NOTIF_EXPLICIT_TAGGED = 1;
  19         const NOTIF_IMPLICIT_TAGGED = 2;
  20         const NOTIF_THREAD_COMMENT = 4;
  21         const NOTIF_DIRECT_COMMENT = 8;
  22         const NOTIF_COMMENT_PARTICIPATION = 16;
  23         const NOTIF_ACTIVITY_PARTICIPATION = 32;
  24         const NOTIF_SHARED = 128;
  25
  26         /**
  27          * Checks an item for notifications and sets the "notification-type" field
  28          *
  29          * @param int $iid Item ID
  30          */
  31         public static function setNotification(int $iid)
  32         {
  33                 $fields = ['id', 'uid', 'body', 'parent', 'gravity', 'tag', 'contact-id',
  34                         'thr-parent', 'parent-uri', 'mention'];
  35                 $item = Item::selectFirst($fields, ['id' => $iid, 'origin' => false]);
  36                 if (!DBA::isResult($item)) {
  37                         return;
  38                 }
  39
  40                 if (!empty($item['uid'])) {
  41                         self::setNotificationForUser($item, $item['uid']);
  42                         return;
  43                 }
  44                 // Alle user des Threads ermitteln
  45         }
  46
  47         private static function setNotificationForUser(array $item, int $uid)
  48         {
  49                 $fields = ['ignored', 'mention'];
  50                 $thread = Item::selectFirstThreadForUser($uid, $fields, ['iid' => $item['parent'], 'deleted' => false]);
  51                 if ($thread['ignored']) {
  52                         return;
  53                 }
  54
  55                 $notification_type = self::NOTIF_NONE;
  56
  57                 if (self::checkShared($item, $uid)) {
  58                         $notification_type = $notification_type | self::NOTIF_SHARED;
  59                 }
  60
  61                 $profiles = self::getProfileForUser($uid);
  62
  63                 if (self::checkImplicitMention($item, $uid, $profiles)) {
  64                         $notification_type = $notification_type | self::NOTIF_IMPLICIT_TAGGED;
  65                 }
  66
  67                 if (self::checkExplicitMention($item, $uid, $profiles)) {
  68                         $notification_type = $notification_type | self::NOTIF_EXPLICIT_TAGGED;
  69                 }
  70
  71                 // Fetch all contacts for the given profiles
  72                 $contacts = [];
  73                 $ret = DBA::select('contact', ['id'], ['uid' => 0, 'nurl' => $profiles]);
  74                 while ($contact = DBA::fetch($ret)) {
  75                         $contacts[] = $contact['id'];
  76                 }
  77                 DBA::close($ret);
  78
  79                 if (self::checkCommentedThread($item, $uid, $contacts)) {
  80                         $notification_type = $notification_type | self::NOTIF_THREAD_COMMENT;
  81                 }
  82
  83                 if (self::checkDirectComment($item, $uid, $contacts, $thread)) {
  84                         $notification_type = $notification_type | self::NOTIF_DIRECT_COMMENT;
  85                 }
  86
  87                 if (self::checkCommentedParticipation($item, $contacts)) {
  88                         $notification_type = $notification_type | self::NOTIF_COMMENT_PARTICIPATION;
  89                 }
  90
  91                 if (self::checkActivityParticipation($item, $contacts)) {
  92                         $notification_type = $notification_type | self::NOTIF_ACTIVITY_PARTICIPATION;
  93                 }
  94
  95                 if (empty($notification_type)) {
  96                         return;
  97                 }
  98
  99                 Logger::info('Set notification', ['iid' => $item['id'], 'uid' => $uid, 'notification-type' => $notification_type]);
 100
 101                 DBA::update('user-item', ['notification-type' => $notification_type], ['iid' => $item['id'], 'uid' => $uid], true);
 102         }
 103
 104         /**
 105          * Fetch all profiles of a given user
 106          * @param int $uid User ID
 107          *
 108          * @return array Profiles
 109          */
 110         private static function getProfileForUser($uid)
 111         {
 112                 $notification_data = ['uid' => $uid, 'profiles' => []];
 113                 Hook::callAll('check_item_notification', $notification_data);
 114
 115                 $profiles = $notification_data['profiles'];
 116
 117                 $fields = ['nickname'];
 118                 $user = DBA::selectFirst('user', $fields, ['uid' => $uid]);
 119                 if (!DBA::isResult($user)) {
 120                         return [];
 121                 }
 122
 123                 $owner = DBA::selectFirst('contact', ['url'], ['self' => true, 'uid' => $uid]);
 124                 if (!DBA::isResult($owner)) {
 125                         return [];
 126                 }
 127
 128                 // This is our regular URL format
 129                 $profiles[] = $owner['url'];
 130
 131                 // Notifications from Diaspora are often with an URL in the Diaspora format
 132                 $profiles[] = DI::baseUrl().'/u/'.$user['nickname'];
 133
 134                 $profiles2 = [];
 135
 136                 foreach ($profiles AS $profile) {
 137                         // Check for invalid profile urls. 13 should be the shortest possible profile length:
 138                         // http://a.bc/d
 139                         // Additionally check for invalid urls that would return the normalised value "http:"
 140                         if ((strlen($profile) >= 13) && (Strings::normaliseLink($profile) != 'http:')) {
 141                                 if (!in_array($profile, $profiles2))
 142                                         $profiles2[] = $profile;
 143
 144                                 $profile = Strings::normaliseLink($profile);
 145                                 if (!in_array($profile, $profiles2))
 146                                         $profiles2[] = $profile;
 147
 148                                 $profile = str_replace('http://', 'https://', $profile);
 149                                 if (!in_array($profile, $profiles2))
 150                                         $profiles2[] = $profile;
 151                         }
 152                 }
 153
 154                 return $profiles2;
 155         }
 156
 157         /**
 158          * Check for a "shared" notification for the given item and user
 159          * @param array $item
 160          * @param int   $uid  User ID
 161          */
 162         private static function checkShared($item, $uid)
 163         {
 164                 if ($item['gravity'] != GRAVITY_PARENT) {
 165                         return false;
 166                 }
 167
 168                 // Send a notification for every new post?
 169                 // Either the contact had posted something directly
 170                 if (DBA::exists('contact', ['id' => $item['contact-id'], 'notify_new_posts' => true])) {
 171                         return true;
 172                 }
 173
 174                 // Or the contact is a mentioned forum
 175                 $tags = DBA::select('term', ['url'], ['otype' => TERM_OBJ_POST, 'oid' => $item['id'], 'type' => TERM_MENTION, 'uid' => $uid]);
 176                 while ($tag = DBA::fetch($tags)) {
 177                         $condition = ['nurl' => Strings::normaliseLink($tag['url']), 'uid' => $uid, 'notify_new_posts' => true, 'contact-type' => Contact::TYPE_COMMUNITY];
 178                         if (DBA::exists('contact', $condition)) {
 179                                 return true;
 180                         }
 181                 }
 182
 183                 return false;
 184         }
 185
 186         // Is the user mentioned in this post?
 187         /**
 188          * Check for a "shared" notification for the given item and user
 189          * @param array $item
 190          * @param int   $uid  User ID
 191          */
 192         private static function checkImplicitMention($item, $uid, $profiles)
 193         {
 194                 foreach ($profiles AS $profile) {
 195                         if (strpos($item['tag'], '='.$profile.']') || strpos($item['body'], '='.$profile.']')) {
 196                                 if (strpos($item['body'], $profile) === false) {
 197                                         return true;
 198                                 }
 199                         }
 200                 }
 201
 202                 return false;
 203         }
 204
 205         /**
 206          * Check for a "shared" notification for the given item and user
 207          * @param array $item
 208          * @param int   $uid  User ID
 209          */
 210         private static function checkExplicitMention($item, $uid, $profiles)
 211         {
 212                 foreach ($profiles AS $profile) {
 213                         if (strpos($item['tag'], '='.$profile.']') || strpos($item['body'], '='.$profile.']')) {
 214                                 if (!(strpos($item['body'], $profile) === false)) {
 215                                         return true;
 216                                 }
 217                         }
 218                 }
 219
 220                 return false;
 221         }
 222
 223         // Is it a post that the user had started?
 224         /**
 225          * Check for a "shared" notification for the given item and user
 226          * @param array $item
 227          * @param int   $uid  User ID
 228          */
 229         private static function checkCommentedThread($item, $uid, $contacts)
 230         {
 231                 // Additional check for connector posts
 232                 $condition = ['parent' => $item['parent'], 'author-id' => $contacts, 'deleted' => false, 'gravity' => GRAVITY_PARENT];
 233                 return Item::exists($condition);
 234         }
 235
 236         /**
 237          * Check for a direct comment to a post of the given user
 238          * @param array $item
 239          * @param int   $uid  User ID
 240          * @param array $contacts Array of contacts
 241          */
 242         private static function checkDirectComment($item, $uid, $contacts)
 243         {
 244                 // Additional check for connector posts
 245                 $condition = ['uri' => $item['thr-parent'], 'uid' => [0, $uid], 'author-id' => $contacts, 'deleted' => false, 'gravity' => GRAVITY_COMMENT];
 246                 return Item::exists($condition);
 247         }
 248
 249         /**
 250          *  Check if the user had commented in this thread
 251          * @param array $item
 252          * @param array $contacts Array of contacts
 253          */
 254         private static function checkCommentedParticipation($item, $contacts)
 255         {
 256                 $condition = ['parent' => $item['parent'], 'author-id' => $contacts, 'deleted' => false, 'gravity' => GRAVITY_COMMENT];
 257                 return Item::exists($condition);
 258         }
 259
 260         /**
 261          * Check if the user had interacted in this thread (Like, Dislike, ...)
 262          * @param array $item
 263          * @param array $contacts Array of contacts
 264          */
 265         private static function checkActivityParticipation($item, $contacts)
 266         {
 267                 $condition = ['parent' => $item['parent'], 'author-id' => $contacts, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY];
 268                 return Item::exists($condition);
 269         }
 270 }