From feb5e82fbe96269f1f7683470b02fbc9c70acaa0 Mon Sep 17 00:00:00 2001
From: Kitsune Ral <Kitsune-Ral@users.sf.net>
Date: Sun, 12 Apr 2020 10:01:18 +0200
Subject: Room::canSwitchVersions(): refactor and make Q_INVOKABLE

---
 lib/room.cpp | 16 +++++++---------
 lib/room.h   |  6 +++---
 2 files changed, 10 insertions(+), 12 deletions(-)

(limited to 'lib')

diff --git a/lib/room.cpp b/lib/room.cpp
index 5d4e2141..dc65ebfc 100644
--- a/lib/room.cpp
+++ b/lib/room.cpp
@@ -758,15 +758,13 @@ bool Room::canSwitchVersions() const
     if (!successorId().isEmpty())
         return false; // No one can upgrade a room that's already upgraded
 
-    // TODO, #276: m.room.power_levels
-    const auto* plEvt =
-        d->getCurrentState<RoomPowerLevelsEvent>();
-    if (!plEvt)
-        return true;
-
-    const auto currentUserLevel = plEvt->powerLevelForUser(localUser()->id());
-    const auto tombstonePowerLevel = plEvt->powerLevelForState("m.room.tombstone"_ls);
-    return currentUserLevel >= tombstonePowerLevel;
+    if (const auto* plEvt = d->getCurrentState<RoomPowerLevelsEvent>()) {
+        const auto currentUserLevel = plEvt->powerLevelForUser(localUser()->id());
+        const auto tombstonePowerLevel =
+            plEvt->powerLevelForState("m.room.tombstone"_ls);
+        return currentUserLevel >= tombstonePowerLevel;
+    }
+    return true;
 }
 
 bool Room::hasUnreadMessages() const { return unreadCount() >= 0; }
diff --git a/lib/room.h b/lib/room.h
index a5b933c2..66a8df7a 100644
--- a/lib/room.h
+++ b/lib/room.h
@@ -474,6 +474,9 @@ public:
 
     Q_INVOKABLE bool supportsCalls() const;
 
+    /// Whether the current user is allowed to upgrade the room
+    Q_INVOKABLE bool canSwitchVersions() const;
+
     /// Get a state event with the given event type and state key
     /*! This method returns a (potentially empty) state event corresponding
      * to the pair of event type \p evtType and state key \p stateKey.
@@ -566,9 +569,6 @@ public slots:
     /// Mark all messages in the room as read
     void markAllMessagesAsRead();
 
-    /// Whether the current user is allowed to upgrade the room
-    bool canSwitchVersions() const;
-
     /// Switch the room's version (aka upgrade)
     void switchVersion(QString newVersion);
 
-- 
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