Room Custom Filter Prep

This is basically prep work for customisable sort orders. The room sort parameters are detached from the room sort model as multiple components will need to access the values. The sorting is then generified.

Some defunct sorting parameters are also removed.

src/enums/roomsortparameter.cpp

@@ -0,0 +1,85 @@
+// SPDX-FileCopyrightText: 2024 James Graham <james.h.graham@protonmail.com>
+// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+
+#include "roomsortparameter.h"
+
+namespace
+{
+template<typename T>
+int typeCompare(T left, T right)
+{
+    return left == right ? 0 : left > right ? 1 : -1;
+}
+
+template<>
+int typeCompare<QString>(QString left, QString right)
+{
+    return left.localeAwareCompare(right);
+}
+}
+
+int RoomSortParameter::compareParameter(Parameter parameter, NeoChatRoom *leftRoom, NeoChatRoom *rightRoom)
+{
+    switch (parameter) {
+    case AlphabeticalAscending:
+        return compareParameter<AlphabeticalAscending>(leftRoom, rightRoom);
+    case AlphabeticalDescending:
+        return compareParameter<AlphabeticalDescending>(leftRoom, rightRoom);
+    case HasUnread:
+        return compareParameter<HasUnread>(leftRoom, rightRoom);
+    case MostUnread:
+        return compareParameter<MostUnread>(leftRoom, rightRoom);
+    case HasHighlight:
+        return compareParameter<HasHighlight>(leftRoom, rightRoom);
+    case MostHighlights:
+        return compareParameter<MostHighlights>(leftRoom, rightRoom);
+    case LastActive:
+        return compareParameter<LastActive>(leftRoom, rightRoom);
+    default:
+        return false;
+    }
+}
+
+template<>
+int RoomSortParameter::compareParameter<RoomSortParameter::AlphabeticalAscending>(NeoChatRoom *leftRoom, NeoChatRoom *rightRoom)
+{
+    return -typeCompare(leftRoom->displayName(), rightRoom->displayName());
+}
+
+template<>
+int RoomSortParameter::compareParameter<RoomSortParameter::AlphabeticalDescending>(NeoChatRoom *leftRoom, NeoChatRoom *rightRoom)
+{
+    return typeCompare(leftRoom->displayName(), rightRoom->displayName());
+}
+
+template<>
+int RoomSortParameter::compareParameter<RoomSortParameter::HasUnread>(NeoChatRoom *leftRoom, NeoChatRoom *rightRoom)
+{
+    return typeCompare(leftRoom->contextAwareNotificationCount() > 0, rightRoom->contextAwareNotificationCount() > 0);
+}
+
+template<>
+int RoomSortParameter::compareParameter<RoomSortParameter::MostUnread>(NeoChatRoom *leftRoom, NeoChatRoom *rightRoom)
+{
+    return typeCompare(leftRoom->contextAwareNotificationCount(), rightRoom->contextAwareNotificationCount());
+}
+
+template<>
+int RoomSortParameter::compareParameter<RoomSortParameter::HasHighlight>(NeoChatRoom *leftRoom, NeoChatRoom *rightRoom)
+{
+    const auto leftHighlight = leftRoom->highlightCount() > 0 && leftRoom->contextAwareNotificationCount() > 0;
+    const auto rightHighlight = rightRoom->highlightCount() > 0 && rightRoom->contextAwareNotificationCount() > 0;
+    return typeCompare(leftHighlight, rightHighlight);
+}
+
+template<>
+int RoomSortParameter::compareParameter<RoomSortParameter::MostHighlights>(NeoChatRoom *leftRoom, NeoChatRoom *rightRoom)
+{
+    return typeCompare(int(leftRoom->highlightCount()), int(rightRoom->highlightCount()));
+}
+
+template<>
+int RoomSortParameter::compareParameter<RoomSortParameter::LastActive>(NeoChatRoom *leftRoom, NeoChatRoom *rightRoom)
+{
+    return typeCompare(leftRoom->lastActiveTime(), rightRoom->lastActiveTime());
+}