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\Hook;
  10 use Friendica\Database\DBA;
  11 use Friendica\DI;
  12 use Friendica\Util\Strings;
  13
  14 class UserItem
  15 {
  16         /**
  17          * Checks an item for notifications and sets the "notification-type" field
  18          *
  19          * @param array $item The message array that is checked for notifications
  20          * @param int   $uid  User ID
  21          */
  22         public static function setNotification($item, $uid)
  23         {
  24                 if (self::checkShared($item, $uid)) {
  25                         echo "shared\n";
  26                 }
  27
  28                 $profiles = self::getProfileForUser($uid);
  29
  30                 if (self::checkTagged($item, $uid, $profiles)) {
  31                         echo "tagged\n";
  32                 }
  33
  34                 if (self::checkCommented($item, $uid, $profiles)) {
  35                         echo "commented\n";
  36                 }
  37         }
  38
  39         private static function getProfileForUser($uid)
  40         {
  41                 $notification_data = ["uid" => $uid, "profiles" => []];
  42                 Hook::callAll('check_item_notification', $notification_data);
  43
  44                 $profiles = $notification_data["profiles"];
  45
  46                 $fields = ['nickname'];
  47                 $user = DBA::selectFirst('user', $fields, ['uid' => $uid]);
  48                 if (!DBA::isResult($user)) {
  49                         return false;
  50                 }
  51
  52                 $owner = DBA::selectFirst('contact', ['url'], ['self' => true, 'uid' => $uid]);
  53                 if (!DBA::isResult($owner)) {
  54                         return false;
  55                 }
  56
  57                 // This is our regular URL format
  58                 $profiles[] = $owner["url"];
  59
  60                 // Notifications from Diaspora are often with an URL in the Diaspora format
  61                 $profiles[] = DI::baseUrl()."/u/".$user["nickname"];
  62
  63                 $profiles2 = [];
  64
  65                 foreach ($profiles AS $profile) {
  66                         // Check for invalid profile urls. 13 should be the shortest possible profile length:
  67                         // http://a.bc/d
  68                         // Additionally check for invalid urls that would return the normalised value "http:"
  69                         if ((strlen($profile) >= 13) && (Strings::normaliseLink($profile) != "http:")) {
  70                                 if (!in_array($profile, $profiles2))
  71                                         $profiles2[] = $profile;
  72
  73                                 $profile = Strings::normaliseLink($profile);
  74                                 if (!in_array($profile, $profiles2))
  75                                         $profiles2[] = $profile;
  76
  77                                 $profile = str_replace("http://", "https://", $profile);
  78                                 if (!in_array($profile, $profiles2))
  79                                         $profiles2[] = $profile;
  80                         }
  81                 }
  82
  83                 return $profiles2;
  84         }
  85
  86         private static function checkShared($item, $uid)
  87         {
  88                 if ($item['gravity'] != GRAVITY_PARENT) {
  89                         return false;
  90                 }
  91
  92                 // Send a notification for every new post?
  93                 // Either the contact had posted something directly
  94                 if (DBA::exists('contact', ['id' => $item['contact-id'], 'notify_new_posts' => true])) {
  95                         return true;
  96                 }
  97
  98                 // Or the contact is a mentioned forum
  99                 $tags = DBA::select('term', ['url'], ['otype' => TERM_OBJ_POST, 'oid' => $itemid, 'type' => TERM_MENTION, 'uid' => $uid]);
 100                 while ($tag = DBA::fetch($tags)) {
 101                         $condition = ['nurl' => Strings::normaliseLink($tag["url"]), 'uid' => $uid, 'notify_new_posts' => true, 'contact-type' => Contact::TYPE_COMMUNITY];
 102                         if (DBA::exists('contact', $condition)) {
 103                                 return true;
 104                         }
 105                 }
 106
 107                 return false;
 108         }
 109
 110         // Is the user mentioned in this post?
 111         private static function checkTagged($item, $uid, $profiles)
 112         {
 113                 foreach ($profiles AS $profile) {
 114                         if (strpos($item["tag"], "=".$profile."]") || strpos($item["body"], "=".$profile."]"))
 115                                 return true;
 116                 }
 117
 118                 return false;
 119         }
 120
 121         // Fetch all contacts for the given profiles
 122         private static function checkCommented($item, $uid, $profiles)
 123         {
 124                 // Is it a post that the user had started?
 125                 $fields = ['ignored', 'mention'];
 126                 $thread = Item::selectFirstThreadForUser($uid, $fields, ['iid' => $item["parent"], 'deleted' => false]);
 127                 if ($thread['mention'] && !$thread['ignored']) {
 128                         return true;
 129                 }
 130
 131                 $contacts = [];
 132                 $ret = DBA::select('contact', ['id'], ['uid' => 0, 'nurl' => $profiles]);
 133                 while ($contact = DBA::fetch($ret)) {
 134                         $contacts[] = $contact['id'];
 135                 }
 136                 DBA::close($ret);
 137
 138                 // And now we check for participation of one of our contacts in the thread
 139                 $condition = ['parent' => $item["parent"], 'author-id' => $contacts, 'deleted' => false];
 140
 141                 if (!$thread['ignored'] && Item::exists($condition)) {
 142                         return true;
 143                 }
 144
 145                 return false;
 146         }
 147 }