Room: cache last read event and unread messages flag with the room state

Since there's no such thing as "unread messages flag" in the CS API spec, there's now a non-standard key-value in cached m.read receipts for that.

2 files changed, 4 insertions, 1 deletions

diff --git a/events/receiptevent.cpp b/events/receiptevent.cpp
index e3478cf1..3d6be9f1 100644
--- a/events/receiptevent.cpp
+++ b/events/receiptevent.cpp
@@ -46,7 +46,7 @@ ReceiptEvent::ReceiptEvent(const QJsonObject& obj)
 {
     Q_ASSERT(obj["type"].toString() == jsonType);
 
-    const QJsonObject contents = obj["content"].toObject();
+    const QJsonObject contents = contentJson();
     _eventsWithReceipts.reserve(static_cast<size_t>(contents.size()));
     for( auto eventIt = contents.begin(); eventIt != contents.end(); ++eventIt )
     {
@@ -66,5 +66,6 @@ ReceiptEvent::ReceiptEvent(const QJsonObject& obj)
         }
         _eventsWithReceipts.push_back({eventIt.key(), receipts});
     }
+    _unreadMessages = obj["x-qmatrixclient.unread_messages"].toBool();
 }
 
diff --git a/events/receiptevent.h b/events/receiptevent.h
index 1d280822..cbe36b10 100644
--- a/events/receiptevent.h
+++ b/events/receiptevent.h
@@ -41,9 +41,11 @@ namespace QMatrixClient
 
             EventsWithReceipts eventsWithReceipts() const
             { return _eventsWithReceipts; }
+            bool unreadMessages() const { return _unreadMessages; }
 
         private:
             EventsWithReceipts _eventsWithReceipts;
+            bool _unreadMessages; // Spec extension for caching purposes
 
             static constexpr const char * jsonType = "m.receipt";
     };