From edcfac8da3f141318bc712840348e56943dc1516 Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Mon, 25 Apr 2022 21:09:51 +0300
Subject: [PATCH] Slightly improved display of media replacement in admin log.

---
 Telegram/Resources/langs/lang.strings         |  5 ++-
 .../SourceFiles/data/data_file_origin.cpp     |  4 ++
 Telegram/SourceFiles/data/data_file_origin.h  |  3 ++
 .../admin_log/history_admin_log_item.cpp      | 37 ++++++++++++++++---
 4 files changed, 43 insertions(+), 6 deletions(-)

diff --git a/Telegram/Resources/langs/lang.strings b/Telegram/Resources/langs/lang.strings
index 662881f42f..0a07b55d1b 100644
--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@@ -2661,7 +2661,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_admin_log_pinned_message" = "{from} pinned this message:";
 "lng_admin_log_unpinned_message" = "{from} unpinned this message";
 "lng_admin_log_edited_caption" = "{from} edited caption:";
-"lng_admin_log_removed_caption" = "{from} removed caption";
+"lng_admin_log_edited_media" = "{from} edited media:";
+"lng_admin_log_edited_media_and_caption" = "{from} edited media and caption:";
+"lng_admin_log_edited_media_and_removed_caption" = "{from} edited media and removed caption:";
+"lng_admin_log_removed_caption" = "{from} removed caption:";
 "lng_admin_log_previous_caption" = "Original caption";
 "lng_admin_log_edited_message" = "{from} edited this message:";
 "lng_admin_log_previous_message" = "Original message";
diff --git a/Telegram/SourceFiles/data/data_file_origin.cpp b/Telegram/SourceFiles/data/data_file_origin.cpp
index fadc30fa7e..c7324ed3cf 100644
--- a/Telegram/SourceFiles/data/data_file_origin.cpp
+++ b/Telegram/SourceFiles/data/data_file_origin.cpp
@@ -208,4 +208,8 @@ UpdatedFileReferences GetFileReferences(
 	return GetFileReferencesHelper(data);
 }
 
+UpdatedFileReferences GetFileReferences(const MTPMessageMedia &data) {
+	return GetFileReferencesHelper(data);
+}
+
 } // namespace Data
diff --git a/Telegram/SourceFiles/data/data_file_origin.h b/Telegram/SourceFiles/data/data_file_origin.h
index 85a8349b19..84b382fb1b 100644
--- a/Telegram/SourceFiles/data/data_file_origin.h
+++ b/Telegram/SourceFiles/data/data_file_origin.h
@@ -179,4 +179,7 @@ UpdatedFileReferences GetFileReferences(const MTPTheme &data);
 UpdatedFileReferences GetFileReferences(
 	const MTPaccount_SavedRingtones &data);
 
+// Admin Log Event.
+UpdatedFileReferences GetFileReferences(const MTPMessageMedia &data);
+
 } // namespace Data
diff --git a/Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp b/Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp
index 683ee4b264..5a5c9492a4 100644
--- a/Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp
+++ b/Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp
@@ -16,6 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_chat_participants.h"
 #include "api/api_text_entities.h"
 #include "data/data_channel.h"
+#include "data/data_file_origin.h"
 #include "data/data_user.h"
 #include "data/data_session.h"
 #include "lang/lang_keys.h"
@@ -136,6 +137,18 @@ bool MediaCanHaveCaption(const MTPMessage &message) {
 		|| (mediaType == mtpc_messageMediaPhoto);
 }
 
+uint64 MediaId(const MTPMessage &message) {
+	if (!MediaCanHaveCaption(message)) {
+		return 0;
+	}
+	const auto &media = message.c_message().vmedia();
+	return media
+		? v::match(
+			Data::GetFileReferences(*media).data.begin()->first,
+			[](const auto &d) { return d.id; })
+		: 0;
+}
+
 TextWithEntities ExtractEditedText(
 		not_null<Main::Session*> session,
 		const MTPMessage &message) {
@@ -868,22 +881,36 @@ void GenerateItems(
 		const auto newValue = ExtractEditedText(
 			session,
 			action.vnew_message());
+		auto oldValue = ExtractEditedText(
+			session,
+			action.vprev_message());
+
 		const auto canHaveCaption = MediaCanHaveCaption(
 			action.vnew_message());
+		const auto changedCaption = (newValue != oldValue);
+		const auto changedMedia = MediaId(action.vnew_message())
+			!= MediaId(action.vprev_message());
+		const auto removedCaption = !oldValue.text.isEmpty()
+			&& newValue.text.isEmpty();
 		const auto text = (!canHaveCaption
 			? tr::lng_admin_log_edited_message
-			: newValue.text.isEmpty()
+			: (changedMedia && removedCaption)
+			? tr::lng_admin_log_edited_media_and_removed_caption
+			: (changedMedia && changedCaption)
+			? tr::lng_admin_log_edited_media_and_caption
+			: changedMedia
+			? tr::lng_admin_log_edited_media
+			: removedCaption
 			? tr::lng_admin_log_removed_caption
-			: tr::lng_admin_log_edited_caption)(
+			: changedCaption
+			? tr::lng_admin_log_edited_caption
+			: tr::lng_admin_log_edited_message)(
 				tr::now,
 				lt_from,
 				fromLinkText,
 				Ui::Text::WithEntities);
 		addSimpleServiceMessage(text);
 
-		auto oldValue = ExtractEditedText(
-			session,
-			action.vprev_message());
 		const auto detachExistingItem = false;
 		const auto body = history->createItem(
 			history->nextNonHistoryEntryId(),