Show notification on remote unsubscribe / contact denial

Author: tmolitor-stud-tu

Monal/Classes/MLNotificationManager.m

@@ -80,6 +80,46 @@ -(void) handleContactRefresh:(NSNotification*) notification
     MLContact* contact = notification.userInfo[@"contact"];
     NSString* idval = [NSString stringWithFormat:@"subscription(%@, %@)", contact.accountID, contact.contactJid];
 
+    //contact request denial or unsubscribe
+    if(notification.userInfo[@"unsubscribed"] != nil && [notification.userInfo[@"unsubscribed"] boolValue] == YES)
+    {
+        idval = [NSString stringWithFormat:@"unsubscription(%@, %@)", contact.accountID, contact.contactJid];
+        
+        //unsubscribe
+        if(contact.isSubscribedTo)
+        {
+            UNMutableNotificationContent* content = [UNMutableNotificationContent new];
+            content.title = xmppAccount.connectionProperties.identity.jid;
+            content.body = [NSString stringWithFormat:NSLocalizedString(@"The user %@ (%@) removed you from their contact list. You can send out a new contact request, if you think this was a mistake.", @""), contact.contactDisplayName, contact.contactJid];
+            content.threadIdentifier = [self threadIdentifierWithContact:contact];
+            //don't simply use contact directly to make sure we always use a freshly created up to date contact when unpacking the userInfo dict
+            content.userInfo = @{
+                @"fromContactJid": contact.contactJid,
+                @"fromContactAccountID": contact.accountID,
+            };
+            
+            DDLogDebug(@"Publishing notification with id %@", idval);
+            [self publishNotificationContent:content withID:idval];
+        }
+        //contact request denial
+        else
+        {
+            UNMutableNotificationContent* content = [UNMutableNotificationContent new];
+            content.title = xmppAccount.connectionProperties.identity.jid;
+            content.body = [NSString stringWithFormat:NSLocalizedString(@"The user %@ (%@) denied your contact request. You can try again, if you think this was a mistake.", @""), contact.contactDisplayName, contact.contactJid];
+            content.threadIdentifier = [self threadIdentifierWithContact:contact];
+            //don't simply use contact directly to make sure we always use a freshly created up to date contact when unpacking the userInfo dict
+            content.userInfo = @{
+                @"fromContactJid": contact.contactJid,
+                @"fromContactAccountID": contact.accountID,
+            };
+            
+            DDLogDebug(@"Publishing notification with id %@", idval);
+            [self publishNotificationContent:content withID:idval];
+        }
+        return;
+    }
+    
     //remove contact requests notification once the contact request has been accepted
     if(!contact.hasIncomingContactRequest)
     {

Monal/Classes/xmpp.m

@@ -1942,6 +1942,21 @@ -(void) processInput:(MLXMLNode*) parsedStanza withDelayedReplay:(BOOL) delayedR
                         }];
                     }));
                 }
+                
+                if([presenceNode check:@"/<type=unsubscribed>"])
+                {
+                    // check if we need a contact request
+                    NSDictionary* contactSub = [[DataLayer sharedInstance] getSubscriptionForContact:contact.contactJid andAccount:contact.accountID];
+                    DDLogVerbose(@"Got unsubscribed/contact deny request of contact %@ having subscription status: %@", presenceNode.fromUser, contactSub);
+                    
+                    //wait 1 sec for nickname and profile image to be processed, then send out kMonalContactRefresh notification
+                    createTimer(1.0, (^{
+                        [[MLNotificationQueue currentQueue] postNotificationName:kMonalContactRefresh object:self userInfo:@{
+                            @"contact": [MLContact createContactFromJid:presenceNode.fromUser andAccountID:self.accountID],
+                            @"unsubscribed": @YES,
+                        }];
+                    }));
+                }
 
                 if(contact.isMuc || [presenceNode check:@"{http://jabber.org/protocol/muc#user}x"] || [presenceNode check:@"{http://jabber.org/protocol/muc}x"])
                 {