feat: new message history viewer initial

fix: use Qt formatting

kanged from `admin_log` and cleaned up a bit

Telegram/SourceFiles/ayu/utils/ayu_mapper.cpp

@@ -0,0 +1,86 @@
+// This is the source code of AyuGram for Desktop.
+//
+// We do not and cannot prevent the use of our code,
+// but be respectful and credit the original author.
+//
+// Copyright @Radolyn, 2023
+
+#include "ayu_mapper.h"
+
+#include "history/history_item.h"
+#include "history/history_item_components.h"
+#include "history/history.h"
+
+
+namespace AyuMapper
+{
+
+int mapItemFlagsToMTPFlags(not_null<HistoryItem *> item) {
+	int flags = 0;
+
+	const auto thread = item->topic()
+						? (Data::Thread*)item->topic()
+						: item->history();
+	const auto unseen = item->unread(thread);
+	if (unseen) {
+		flags |= 1;
+	}
+
+	if (item->out()) {
+		flags |= 2;
+	}
+
+	if (const auto reply = item->Get<HistoryMessageForwarded>()) {
+		flags |= 4;
+	}
+
+	if (const auto reply = item->Get<HistoryMessageReply>()) {
+		flags |= 8;
+	}
+
+	if (item->mentionsMe()) {
+		flags |= 16;
+	}
+
+	if (item->isUnreadMedia()) {
+		flags |= 32;
+	}
+
+	if (item->isSilent()) {
+		flags |= 8192;
+	}
+
+	if (item->isPost()) {
+		flags |= 16384;
+	}
+
+	if (item->isScheduled()) {
+		flags |= 262144;
+	}
+
+	// todo: legacy
+//	if (item->isLegacy()) {
+//		flags |= 524288;
+//	}
+
+	if (item->hideEditedBadge()) {
+		flags |= 2097152;
+	}
+
+	if (item->isPinned()) {
+		flags |= 16777216;
+	}
+
+	if (item->forbidsForward()) {
+		flags |= 67108864;
+	}
+
+	if (item->topic() && item->topicRootId() == item->id) {
+		flags |= 134217728;
+	}
+
+	return flags;
+
+}
+
+}