447 lines
22 KiB
C++
447 lines
22 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "history/history_admin_log_item.h"
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#include "history/history_service.h"
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#include "history/history_message.h"
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#include "history/history_admin_log_inner.h"
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#include "lang/lang_keys.h"
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#include "messenger.h"
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namespace AdminLog {
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namespace {
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TextWithEntities PrepareText(const QString &value, const QString &emptyValue) {
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auto result = TextWithEntities { TextUtilities::Clean(value) };
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if (result.text.isEmpty()) {
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result.text = emptyValue;
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if (!emptyValue.isEmpty()) {
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result.entities.push_back(EntityInText(EntityInTextItalic, 0, emptyValue.size()));
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}
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} else {
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TextUtilities::ParseEntities(result, TextParseLinks | TextParseMentions | TextParseHashtags | TextParseBotCommands);
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}
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return result;
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}
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MTPMessage PrepareLogMessage(const MTPMessage &message, MsgId newId, int32 newDate) {
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switch (message.type()) {
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case mtpc_messageEmpty: return MTP_messageEmpty(MTP_int(newId));
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case mtpc_messageService: {
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auto &data = message.c_messageService();
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auto flags = data.vflags.v & ~(MTPDmessageService::Flag::f_out | MTPDmessageService::Flag::f_post/* | MTPDmessageService::Flag::f_reply_to_msg_id*/);
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return MTP_messageService(MTP_flags(flags), MTP_int(newId), data.vfrom_id, data.vto_id, data.vreply_to_msg_id, MTP_int(newDate), data.vaction);
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} break;
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case mtpc_message: {
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auto &data = message.c_message();
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auto flags = data.vflags.v & ~(MTPDmessage::Flag::f_out | MTPDmessage::Flag::f_post | MTPDmessage::Flag::f_reply_to_msg_id | MTPDmessage::Flag::f_edit_date);
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return MTP_message(MTP_flags(flags), MTP_int(newId), data.vfrom_id, data.vto_id, data.vfwd_from, data.vvia_bot_id, data.vreply_to_msg_id, MTP_int(newDate), data.vmessage, data.vmedia, data.vreply_markup, data.ventities, data.vviews, data.vedit_date, MTP_string(""));
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} break;
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}
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Unexpected("Type in PrepareLogMessage()");
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}
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bool MediaCanHaveCaption(const MTPMessage &message) {
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if (message.type() != mtpc_message) {
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return false;
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}
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auto &data = message.c_message();
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auto mediaType = data.has_media() ? data.vmedia.type() : mtpc_messageMediaEmpty;
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return (mediaType == mtpc_messageMediaDocument || mediaType == mtpc_messageMediaPhoto);
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}
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TextWithEntities ExtractEditedText(const MTPMessage &message) {
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if (message.type() != mtpc_message) {
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return TextWithEntities();
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}
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auto &data = message.c_message();
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auto mediaType = data.has_media() ? data.vmedia.type() : mtpc_messageMediaEmpty;
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if (mediaType == mtpc_messageMediaDocument) {
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auto &document = data.vmedia.c_messageMediaDocument();
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return PrepareText(document.has_caption() ? qs(document.vcaption) : QString(), QString());
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} else if (mediaType == mtpc_messageMediaPhoto) {
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auto &photo = data.vmedia.c_messageMediaPhoto();
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return PrepareText(photo.has_caption() ? qs(photo.vcaption) : QString(), QString());
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}
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auto text = TextUtilities::Clean(qs(data.vmessage));
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auto entities = data.has_entities() ? TextUtilities::EntitiesFromMTP(data.ventities.v) : EntitiesInText();
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return { text, entities };
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}
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PhotoData *GenerateChatPhoto(ChannelId channelId, uint64 logEntryId, MTPint date, const MTPDchatPhoto &photo) {
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// We try to make a unique photoId that will stay the same for each pair (channelId, logEntryId).
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static const auto RandomIdPart = rand_value<uint64>();
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auto mixinIdPart = (static_cast<uint64>(static_cast<uint32>(channelId)) << 32) ^ logEntryId;
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auto photoId = RandomIdPart ^ mixinIdPart;
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auto photoSizes = QVector<MTPPhotoSize>();
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photoSizes.reserve(2);
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photoSizes.push_back(MTP_photoSize(MTP_string("a"), photo.vphoto_small, MTP_int(160), MTP_int(160), MTP_int(0)));
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photoSizes.push_back(MTP_photoSize(MTP_string("c"), photo.vphoto_big, MTP_int(640), MTP_int(640), MTP_int(0)));
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return App::feedPhoto(MTP_photo(MTP_flags(0), MTP_long(photoId), MTP_long(0), date, MTP_vector<MTPPhotoSize>(photoSizes)));
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}
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const auto CollectChanges = [](auto &phraseMap, auto plusFlags, auto minusFlags) {
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auto withPrefix = [&phraseMap](auto flags, QChar prefix) {
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auto result = QString();
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for (auto &phrase : phraseMap) {
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if (flags & phrase.first) {
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result.append('\n' + (prefix + lang(phrase.second)));
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}
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}
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return result;
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};
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const auto kMinus = QChar(0x2212);
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return withPrefix(plusFlags & ~minusFlags, '+') + withPrefix(minusFlags & ~plusFlags, kMinus);
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};
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auto GenerateAdminChangeText(not_null<ChannelData*> channel, const TextWithEntities &user, const MTPChannelAdminRights *newRights, const MTPChannelAdminRights *prevRights) {
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using Flag = MTPDchannelAdminRights::Flag;
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using Flags = MTPDchannelAdminRights::Flags;
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Expects(!newRights || newRights->type() == mtpc_channelAdminRights);
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Expects(!prevRights || prevRights->type() == mtpc_channelAdminRights);
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auto newFlags = newRights ? newRights->c_channelAdminRights().vflags.v : MTPDchannelAdminRights::Flags(0);
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auto prevFlags = prevRights ? prevRights->c_channelAdminRights().vflags.v : MTPDchannelAdminRights::Flags(0);
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auto result = lng_admin_log_promoted__generic(lt_user, user);
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auto inviteKey = Flag::f_invite_users | Flag::f_invite_link;
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auto useInviteLinkPhrase = channel->isMegagroup() && channel->anyoneCanAddMembers();
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auto invitePhrase = (useInviteLinkPhrase ? lng_admin_log_admin_invite_link : lng_admin_log_admin_invite_users);
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static auto phraseMap = std::map<Flags, LangKey> {
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{ Flag::f_change_info, lng_admin_log_admin_change_info },
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{ Flag::f_post_messages, lng_admin_log_admin_post_messages },
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{ Flag::f_edit_messages, lng_admin_log_admin_edit_messages },
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{ Flag::f_delete_messages, lng_admin_log_admin_delete_messages },
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{ Flag::f_ban_users, lng_admin_log_admin_ban_users },
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{ inviteKey, invitePhrase },
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{ Flag::f_pin_messages, lng_admin_log_admin_pin_messages },
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{ Flag::f_add_admins, lng_admin_log_admin_add_admins },
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};
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phraseMap[inviteKey] = invitePhrase;
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if (!channel->isMegagroup()) {
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// Don't display "Ban users" changes in channels.
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newFlags &= ~Flag::f_ban_users;
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prevFlags &= ~Flag::f_ban_users;
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}
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auto changes = CollectChanges(phraseMap, newFlags, prevFlags);
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if (!changes.isEmpty()) {
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result.text.append('\n' + changes);
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}
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return result;
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};
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auto GenerateBannedChangeText(const TextWithEntities &user, const MTPChannelBannedRights *newRights, const MTPChannelBannedRights *prevRights) {
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using Flag = MTPDchannelBannedRights::Flag;
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using Flags = MTPDchannelBannedRights::Flags;
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Expects(!newRights || newRights->type() == mtpc_channelBannedRights);
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Expects(!prevRights || prevRights->type() == mtpc_channelBannedRights);
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auto newFlags = newRights ? newRights->c_channelBannedRights().vflags.v : MTPDchannelBannedRights::Flags(0);
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auto prevFlags = prevRights ? prevRights->c_channelBannedRights().vflags.v : MTPDchannelBannedRights::Flags(0);
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auto newUntil = newRights ? newRights->c_channelBannedRights().vuntil_date : MTP_int(0);
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auto indefinitely = ChannelData::IsRestrictedForever(newUntil.v);
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if (newFlags & Flag::f_view_messages) {
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return lng_admin_log_banned__generic(lt_user, user);
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}
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auto untilText = indefinitely ? lang(lng_admin_log_restricted_forever) : lng_admin_log_restricted_until(lt_date, langDateTime(::date(newUntil)));
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auto result = lng_admin_log_restricted__generic(lt_user, user, lt_until, TextWithEntities { untilText });
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static auto phraseMap = std::map<Flags, LangKey> {
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{ Flag::f_view_messages, lng_admin_log_banned_view_messages },
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{ Flag::f_send_messages, lng_admin_log_banned_send_messages },
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{ Flag::f_send_media, lng_admin_log_banned_send_media },
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{ Flag::f_send_stickers | Flag::f_send_gifs | Flag::f_send_inline | Flag::f_send_games, lng_admin_log_banned_send_stickers },
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{ Flag::f_embed_links, lng_admin_log_banned_embed_links },
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};
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auto changes = CollectChanges(phraseMap, prevFlags, newFlags);
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if (!changes.isEmpty()) {
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result.text.append('\n' + changes);
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}
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return result;
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};
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auto GenerateUserString(MTPint userId) {
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// User name in "User name (@username)" format with entities.
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auto user = App::user(userId.v);
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auto name = TextWithEntities { App::peerName(user) };
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name.entities.push_back(EntityInText(EntityInTextMentionName, 0, name.text.size(), QString::number(user->id) + '.' + QString::number(user->access)));
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auto username = user->userName();
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if (username.isEmpty()) {
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return name;
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}
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auto mention = TextWithEntities { '@' + username };
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mention.entities.push_back(EntityInText(EntityInTextMention, 0, mention.text.size()));
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return lng_admin_log_user_with_username__generic(lt_name, name, lt_mention, mention);
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}
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auto GenerateParticipantChangeTextInner(not_null<ChannelData*> channel, const MTPChannelParticipant &participant, const MTPChannelParticipant *oldParticipant) {
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auto oldType = oldParticipant ? oldParticipant->type() : 0;
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auto resultForParticipant = [channel, oldParticipant, oldType](auto &&data) {
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auto user = GenerateUserString(data.vuser_id);
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if (oldType == mtpc_channelParticipantAdmin) {
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return GenerateAdminChangeText(channel, user, nullptr, &oldParticipant->c_channelParticipantAdmin().vadmin_rights);
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} else if (oldType == mtpc_channelParticipantBanned) {
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return GenerateBannedChangeText(user, nullptr, &oldParticipant->c_channelParticipantBanned().vbanned_rights);
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}
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return lng_admin_log_invited__generic(lt_user, user);
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};
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switch (participant.type()) {
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case mtpc_channelParticipantCreator: {
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// No valid string here :(
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auto &data = participant.c_channelParticipantCreator();
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return lng_admin_log_invited__generic(lt_user, GenerateUserString(data.vuser_id));
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} break;
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case mtpc_channelParticipant: return resultForParticipant(participant.c_channelParticipant());
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case mtpc_channelParticipantSelf: return resultForParticipant(participant.c_channelParticipantSelf());
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case mtpc_channelParticipantAdmin: {
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auto &data = participant.c_channelParticipantAdmin();
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auto user = GenerateUserString(data.vuser_id);
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return GenerateAdminChangeText(channel, user, &data.vadmin_rights, (oldType == mtpc_channelParticipantAdmin) ? &oldParticipant->c_channelParticipantAdmin().vadmin_rights : nullptr);
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} break;
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case mtpc_channelParticipantBanned: {
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auto &data = participant.c_channelParticipantBanned();
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auto user = GenerateUserString(data.vuser_id);
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return GenerateBannedChangeText(user, &data.vbanned_rights, (oldType == mtpc_channelParticipantBanned) ? &oldParticipant->c_channelParticipantBanned().vbanned_rights : nullptr);
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} break;
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}
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Unexpected("Participant type in GenerateParticipantChangeTextInner()");
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}
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TextWithEntities GenerateParticipantChangeText(not_null<ChannelData*> channel, const MTPChannelParticipant &participant, const MTPChannelParticipant *oldParticipant = nullptr) {
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auto result = GenerateParticipantChangeTextInner(channel, participant, oldParticipant);
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result.entities.push_front(EntityInText(EntityInTextItalic, 0, result.text.size()));
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return result;
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}
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} // namespace
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void GenerateItems(not_null<History*> history, LocalIdManager &idManager, const MTPDchannelAdminLogEvent &event, base::lambda<void(HistoryItemOwned item)> callback) {
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Expects(history->peer->isChannel());
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auto id = event.vid.v;
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auto from = App::user(event.vuser_id.v);
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auto channel = history->peer->asChannel();
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auto &action = event.vaction;
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auto date = event.vdate;
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auto addPart = [&callback](not_null<HistoryItem*> item) {
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return callback(HistoryItemOwned(item));
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};
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using Flag = MTPDmessage::Flag;
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auto fromName = App::peerName(from);
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auto fromLink = from->createOpenLink();
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auto fromLinkText = textcmdLink(1, fromName);
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auto addSimpleServiceMessage = [&](const QString &text, PhotoData *photo = nullptr) {
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auto message = HistoryService::PreparedText { text };
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message.links.push_back(fromLink);
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addPart(HistoryService::create(history, idManager.next(), ::date(date), message, 0, peerToUser(from->id), photo));
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};
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auto createChangeTitle = [&](const MTPDchannelAdminLogEventActionChangeTitle &action) {
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auto text = (channel->isMegagroup() ? lng_action_changed_title : lng_admin_log_changed_title_channel)(lt_from, fromLinkText, lt_title, qs(action.vnew_value));
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addSimpleServiceMessage(text);
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};
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auto createChangeAbout = [&](const MTPDchannelAdminLogEventActionChangeAbout &action) {
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auto newValue = qs(action.vnew_value);
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auto oldValue = qs(action.vprev_value);
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auto text = (channel->isMegagroup()
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? (newValue.isEmpty() ? lng_admin_log_removed_description_group : lng_admin_log_changed_description_group)
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: (newValue.isEmpty() ? lng_admin_log_removed_description_channel : lng_admin_log_changed_description_channel)
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)(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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auto bodyFlags = Flag::f_entities | Flag::f_from_id;
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auto bodyReplyTo = 0;
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auto bodyViaBotId = 0;
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auto newDescription = PrepareText(newValue, QString());
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auto body = HistoryMessage::create(history, idManager.next(), bodyFlags, bodyReplyTo, bodyViaBotId, ::date(date), peerToUser(from->id), QString(), newDescription);
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if (!oldValue.isEmpty()) {
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auto oldDescription = PrepareText(oldValue, QString());
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body->addLogEntryOriginal(id, lang(lng_admin_log_previous_description), oldDescription);
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}
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addPart(body);
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};
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auto createChangeUsername = [&](const MTPDchannelAdminLogEventActionChangeUsername &action) {
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auto newValue = qs(action.vnew_value);
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auto oldValue = qs(action.vprev_value);
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auto text = (channel->isMegagroup()
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? (newValue.isEmpty() ? lng_admin_log_removed_link_group : lng_admin_log_changed_link_group)
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: (newValue.isEmpty() ? lng_admin_log_removed_link_channel : lng_admin_log_changed_link_channel)
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)(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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auto bodyFlags = Flag::f_entities | Flag::f_from_id;
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auto bodyReplyTo = 0;
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auto bodyViaBotId = 0;
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auto newLink = newValue.isEmpty() ? TextWithEntities() : PrepareText(Messenger::Instance().createInternalLinkFull(newValue), QString());
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auto body = HistoryMessage::create(history, idManager.next(), bodyFlags, bodyReplyTo, bodyViaBotId, ::date(date), peerToUser(from->id), QString(), newLink);
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if (!oldValue.isEmpty()) {
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auto oldLink = PrepareText(Messenger::Instance().createInternalLinkFull(oldValue), QString());
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body->addLogEntryOriginal(id, lang(lng_admin_log_previous_link), oldLink);
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}
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addPart(body);
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};
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auto createChangePhoto = [&](const MTPDchannelAdminLogEventActionChangePhoto &action) {
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switch (action.vnew_photo.type()) {
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case mtpc_chatPhoto: {
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auto photo = GenerateChatPhoto(channel->bareId(), id, date, action.vnew_photo.c_chatPhoto());
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auto text = (channel->isMegagroup() ? lng_admin_log_changed_photo_group : lng_admin_log_changed_photo_channel)(lt_from, fromLinkText);
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addSimpleServiceMessage(text, photo);
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} break;
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case mtpc_chatPhotoEmpty: {
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auto text = (channel->isMegagroup() ? lng_admin_log_removed_photo_group : lng_admin_log_removed_photo_channel)(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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} break;
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default: Unexpected("ChatPhoto type in createChangePhoto()");
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}
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};
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auto createToggleInvites = [&](const MTPDchannelAdminLogEventActionToggleInvites &action) {
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auto enabled = (action.vnew_value.type() == mtpc_boolTrue);
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auto text = (enabled ? lng_admin_log_invites_enabled : lng_admin_log_invites_disabled)(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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};
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auto createToggleSignatures = [&](const MTPDchannelAdminLogEventActionToggleSignatures &action) {
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auto enabled = (action.vnew_value.type() == mtpc_boolTrue);
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auto text = (enabled ? lng_admin_log_signatures_enabled : lng_admin_log_signatures_disabled)(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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};
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auto createUpdatePinned = [&](const MTPDchannelAdminLogEventActionUpdatePinned &action) {
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if (action.vmessage.type() == mtpc_messageEmpty) {
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auto text = lng_admin_log_unpinned_message(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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} else {
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auto text = lng_admin_log_pinned_message(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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auto applyServiceAction = false;
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auto detachExistingItem = false;
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addPart(history->createItem(PrepareLogMessage(action.vmessage, idManager.next(), date.v), applyServiceAction, detachExistingItem));
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}
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};
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auto createEditMessage = [&](const MTPDchannelAdminLogEventActionEditMessage &action) {
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auto newValue = ExtractEditedText(action.vnew_message);
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auto canHaveCaption = MediaCanHaveCaption(action.vnew_message);
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auto text = (canHaveCaption
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? (newValue.text.isEmpty() ? lng_admin_log_removed_caption : lng_admin_log_edited_caption)
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: lng_admin_log_edited_message
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)(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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auto oldValue = ExtractEditedText(action.vprev_message);
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auto applyServiceAction = false;
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auto detachExistingItem = false;
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auto body = history->createItem(PrepareLogMessage(action.vnew_message, idManager.next(), date.v), applyServiceAction, detachExistingItem);
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if (oldValue.text.isEmpty()) {
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oldValue = PrepareText(QString(), lang(lng_admin_log_empty_text));
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}
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body->addLogEntryOriginal(id, lang(canHaveCaption ? lng_admin_log_previous_caption : lng_admin_log_previous_message), oldValue);
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addPart(body);
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};
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auto createDeleteMessage = [&](const MTPDchannelAdminLogEventActionDeleteMessage &action) {
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auto text = lng_admin_log_deleted_message(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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auto applyServiceAction = false;
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auto detachExistingItem = false;
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addPart(history->createItem(PrepareLogMessage(action.vmessage, idManager.next(), date.v), applyServiceAction, detachExistingItem));
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};
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auto createParticipantJoin = [&]() {
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auto text = (channel->isMegagroup() ? lng_admin_log_participant_joined : lng_admin_log_participant_joined_channel)(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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};
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auto createParticipantLeave = [&]() {
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auto text = (channel->isMegagroup() ? lng_admin_log_participant_left : lng_admin_log_participant_left_channel)(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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};
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auto createParticipantInvite = [&](const MTPDchannelAdminLogEventActionParticipantInvite &action) {
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auto bodyFlags = Flag::f_entities | Flag::f_from_id;
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auto bodyReplyTo = 0;
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auto bodyViaBotId = 0;
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auto bodyText = GenerateParticipantChangeText(channel, action.vparticipant);
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addPart(HistoryMessage::create(history, idManager.next(), bodyFlags, bodyReplyTo, bodyViaBotId, ::date(date), peerToUser(from->id), QString(), bodyText));
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};
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auto createParticipantToggleBan = [&](const MTPDchannelAdminLogEventActionParticipantToggleBan &action) {
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auto bodyFlags = Flag::f_entities | Flag::f_from_id;
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auto bodyReplyTo = 0;
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auto bodyViaBotId = 0;
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auto bodyText = GenerateParticipantChangeText(channel, action.vnew_participant, &action.vprev_participant);
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addPart(HistoryMessage::create(history, idManager.next(), bodyFlags, bodyReplyTo, bodyViaBotId, ::date(date), peerToUser(from->id), QString(), bodyText));
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};
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auto createParticipantToggleAdmin = [&](const MTPDchannelAdminLogEventActionParticipantToggleAdmin &action) {
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auto bodyFlags = Flag::f_entities | Flag::f_from_id;
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auto bodyReplyTo = 0;
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auto bodyViaBotId = 0;
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auto bodyText = GenerateParticipantChangeText(channel, action.vnew_participant, &action.vprev_participant);
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addPart(HistoryMessage::create(history, idManager.next(), bodyFlags, bodyReplyTo, bodyViaBotId, ::date(date), peerToUser(from->id), QString(), bodyText));
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};
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auto createChangeStickerSet = [&](const MTPDchannelAdminLogEventActionChangeStickerSet &action) {
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auto removed = (action.vnew_stickerset.type() == mtpc_inputStickerSetEmpty);
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auto text = (removed ? lng_admin_log_removed_stickers_group : lng_admin_log_changed_stickers_group)(lt_from, fromLinkText);
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addSimpleServiceMessage(text);
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};
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switch (action.type()) {
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case mtpc_channelAdminLogEventActionChangeTitle: createChangeTitle(action.c_channelAdminLogEventActionChangeTitle()); break;
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case mtpc_channelAdminLogEventActionChangeAbout: createChangeAbout(action.c_channelAdminLogEventActionChangeAbout()); break;
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case mtpc_channelAdminLogEventActionChangeUsername: createChangeUsername(action.c_channelAdminLogEventActionChangeUsername()); break;
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case mtpc_channelAdminLogEventActionChangePhoto: createChangePhoto(action.c_channelAdminLogEventActionChangePhoto()); break;
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case mtpc_channelAdminLogEventActionToggleInvites: createToggleInvites(action.c_channelAdminLogEventActionToggleInvites()); break;
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case mtpc_channelAdminLogEventActionToggleSignatures: createToggleSignatures(action.c_channelAdminLogEventActionToggleSignatures()); break;
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case mtpc_channelAdminLogEventActionUpdatePinned: createUpdatePinned(action.c_channelAdminLogEventActionUpdatePinned()); break;
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case mtpc_channelAdminLogEventActionEditMessage: createEditMessage(action.c_channelAdminLogEventActionEditMessage()); break;
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case mtpc_channelAdminLogEventActionDeleteMessage: createDeleteMessage(action.c_channelAdminLogEventActionDeleteMessage()); break;
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case mtpc_channelAdminLogEventActionParticipantJoin: createParticipantJoin(); break;
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case mtpc_channelAdminLogEventActionParticipantLeave: createParticipantLeave(); break;
|
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case mtpc_channelAdminLogEventActionParticipantInvite: createParticipantInvite(action.c_channelAdminLogEventActionParticipantInvite()); break;
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case mtpc_channelAdminLogEventActionParticipantToggleBan: createParticipantToggleBan(action.c_channelAdminLogEventActionParticipantToggleBan()); break;
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case mtpc_channelAdminLogEventActionParticipantToggleAdmin: createParticipantToggleAdmin(action.c_channelAdminLogEventActionParticipantToggleAdmin()); break;
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case mtpc_channelAdminLogEventActionChangeStickerSet: createChangeStickerSet(action.c_channelAdminLogEventActionChangeStickerSet()); break;
|
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default: Unexpected("channelAdminLogEventAction type in AdminLog::Item::Item()");
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|
}
|
|
}
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} // namespace AdminLog
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