Delete chat blocks of an account when removing it.

Signed-off-by: Ivan Sein <ivan@nextcloud.com>

VideoCalls/NCChatController.h

@@ -21,7 +21,9 @@ extern NSString * const NCChatControllerDidRemoveTemporaryMessagesNotification;
 
 @interface NCChatBlock : RLMObject
 
-@property (nonatomic, strong) NSString *internalId; // same as room internal id
+@property (nonatomic, strong) NSString *internalId; // accountId@token (same as room internal id)
+@property (nonatomic, strong) NSString *accountId;
+@property (nonatomic, strong) NSString *token;
 @property (nonatomic, assign) NSInteger oldestMessageId;
 @property (nonatomic, assign) NSInteger newestMessageId;
 @property (nonatomic, assign) BOOL hasHistory;

VideoCalls/NCChatController.m

@@ -210,6 +210,8 @@ NSString * const NCChatControllerDidRemoveTemporaryMessagesNotification
         // Create new chat block
         NCChatBlock *newBlock = [[NCChatBlock alloc] init];
         newBlock.internalId = _room.internalId;
+        newBlock.accountId = _room.accountId;
+        newBlock.token = _room.token;
         newBlock.oldestMessageId = lastKnown;
         newBlock.newestMessageId = newestMessageKnown;
         newBlock.hasHistory = YES;

VideoCalls/NCDatabaseManager.m

@@ -8,6 +8,7 @@
 
 #import "NCDatabaseManager.h"
 
+#import "NCChatController.h"
 #import "NCChatMessage.h"
 #import "NCRoom.h"
 
@@ -149,6 +150,7 @@
     }
     [realm deleteObjects:[NCRoom objectsWithPredicate:query]];
     [realm deleteObjects:[NCChatMessage objectsWithPredicate:query]];
+    [realm deleteObjects:[NCChatBlock objectsWithPredicate:query]];
     [realm commitWriteTransaction];
 }