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Merge group-supergroup history in jump-to-date.

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Fixes #4094.
This commit is contained in:
John Preston
2017-11-30 16:50:13 +04:00
parent 13ab055fe0
commit c10588a7dc
3 changed files with 82 additions and 18 deletions
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44
Telegram/SourceFiles/apiwrap.cpp
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@@ -1960,7 +1960,11 @@ void ApiWrap::applyUpdateNoPtsCheck(const MTPUpdate &update) {
}
}
void ApiWrap::jumpToDate(not_null<PeerData*> peer, const QDate &date) {
template <typename Callback>
void ApiWrap::requestMessageAfterDate(
not_null<PeerData*> peer,
const QDate &date,
Callback &&callback) {
// API returns a message with date <= offset_date.
// So we request a message with offset_date = desired_date - 1 and add_offset = -1.
// This should give us the first message with date >= desired_date.
@@ -1980,7 +1984,11 @@ void ApiWrap::jumpToDate(not_null<PeerData*> peer, const QDate &date) {
MTP_int(maxId),
MTP_int(minId),
MTP_int(historyHash)
)).done([peer](const MTPmessages_Messages &result) {
)).done([
peer,
offsetDate,
callback = std::forward<Callback>(callback)
](const MTPmessages_Messages &result) {
auto getMessagesList = [&result, peer]() -> const QVector<MTPMessage>* {
auto handleMessages = [](auto &messages) {
App::feedUsers(messages.vusers);
@@ -2011,15 +2019,39 @@ void ApiWrap::jumpToDate(not_null<PeerData*> peer, const QDate &date) {
if (auto list = getMessagesList()) {
App::feedMsgs(*list, NewMessageExisting);
for (auto &message : *list) {
auto id = idFromMessage(message);
Ui::showPeerHistory(peer, id);
return;
if (dateFromMessage(message) >= offsetDate) {
callback(idFromMessage(message));
return;
}
}
}
Ui::showPeerHistory(peer, ShowAtUnreadMsgId);
callback(ShowAtUnreadMsgId);
}).send();
}
void ApiWrap::jumpToDate(not_null<PeerData*> peer, const QDate &date) {
if (auto channel = peer->migrateTo()) {
jumpToDate(channel, date);
return;
}
auto jumpToDateInPeer = [peer, date, this] {
requestMessageAfterDate(peer, date, [peer](MsgId resultId) {
Ui::showPeerHistory(peer, resultId);
});
};
if (auto chat = peer->migrateFrom()) {
requestMessageAfterDate(chat, date, [=](MsgId resultId) {
if (resultId) {
Ui::showPeerHistory(chat, resultId);
} else {
jumpToDateInPeer();
}
});
} else {
jumpToDateInPeer();
}
}
void ApiWrap::preloadEnoughUnreadMentions(not_null<History*> history) {
auto fullCount = history->getUnreadMentionsCount();
auto loadedCount = history->getUnreadMentionsLoadedCount();