From ec4110c63443e29c78fdf0f72af08f5395ec48f7 Mon Sep 17 00:00:00 2001
From: Kitsune Ral <Kitsune-Ral@users.sf.net>
Date: Thu, 26 Mar 2020 13:25:09 +0100
Subject: Refactoring around Connection::onSyncSuccess()

The method grew large and a bit unwieldy over the years.
---
 lib/events/event.h          | 11 +++++++++++
 lib/events/roomkeyevent.cpp |  6 ++----
 lib/events/roomkeyevent.h   | 14 ++++----------
 3 files changed, 17 insertions(+), 14 deletions(-)

(limited to 'lib/events')

diff --git a/lib/events/event.h b/lib/events/event.h
index f985ae92..6c8961ad 100644
--- a/lib/events/event.h
+++ b/lib/events/event.h
@@ -377,6 +377,17 @@ inline fn_return_t<FnT1> visit(const BaseEventT& event, FnT1&& visitor1,
     return visit(event, std::forward<FnT2>(visitor2),
                  std::forward<FnTs>(visitors)...);
 }
+
+// A facility overload that calls void-returning visit() on each event
+// over a range of event pointers
+template <typename RangeT, typename... FnTs>
+inline auto visitEach(RangeT&& events, FnTs&&... visitors)
+    -> std::enable_if_t<std::is_convertible_v<
+                            std::decay_t<decltype(**events.begin())>, Event>>
+{
+    for (auto&& evtPtr: events)
+        visit(*evtPtr, std::forward<FnTs>(visitors)...);
+}
 } // namespace Quotient
 Q_DECLARE_METATYPE(Quotient::Event*)
 Q_DECLARE_METATYPE(const Quotient::Event*)
diff --git a/lib/events/roomkeyevent.cpp b/lib/events/roomkeyevent.cpp
index 1fb2e9f5..66580430 100644
--- a/lib/events/roomkeyevent.cpp
+++ b/lib/events/roomkeyevent.cpp
@@ -4,8 +4,6 @@ using namespace Quotient;
 
 RoomKeyEvent::RoomKeyEvent(const QJsonObject &obj) : Event(typeId(), obj)
 {
-    _algorithm = contentJson()["algorithm"_ls].toString();
-    _roomId = contentJson()["room_id"_ls].toString();
-    _sessionId = contentJson()["session_id"_ls].toString();
-    _sessionKey = contentJson()["session_key"_ls].toString();
+    if (roomId().isEmpty())
+        qCWarning(E2EE) << "Room key event has empty room id";
 }
diff --git a/lib/events/roomkeyevent.h b/lib/events/roomkeyevent.h
index e4bcfd71..679cbf7c 100644
--- a/lib/events/roomkeyevent.h
+++ b/lib/events/roomkeyevent.h
@@ -10,16 +10,10 @@ public:
 
     RoomKeyEvent(const QJsonObject& obj);
 
-    const QString algorithm() const { return _algorithm; }
-    const QString roomId() const { return _roomId; }
-    const QString sessionId() const { return _sessionId; }
-    const QString sessionKey() const { return _sessionKey; }
-
-private:
-    QString _algorithm;
-    QString _roomId;
-    QString _sessionId;
-    QString _sessionKey;
+    QString algorithm() const { return content<QString>("algorithm"_ls); }
+    QString roomId() const { return content<QString>("room_id"_ls); }
+    QString sessionId() const { return content<QString>("session_id"_ls); }
+    QString sessionKey() const { return content<QString>("session_key"_ls); }
 };
 REGISTER_EVENT_TYPE(RoomKeyEvent)
 } // namespace Quotient
-- 
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