tdesktop/Telegram/SourceFiles/data/data_shared_media.cpp

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "data/data_shared_media.h"
#include <rpl/combine.h>
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#include "main/main_session.h"
#include "apiwrap.h"
#include "storage/storage_facade.h"
#include "history/history.h"
#include "history/history_item.h"
#include "data/data_document.h"
#include "data/data_media_types.h"
#include "data/data_photo.h"
#include "data/data_scheduled_messages.h"
#include "data/data_session.h"
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#include "core/crash_reports.h"
namespace {
using Type = Storage::SharedMediaType;
bool IsItemGoodForType(const not_null<HistoryItem*> item, Type type) {
const auto media = item->media();
if (!media || media->webpage()) {
return false;
}
const auto photo = media->photo();
const auto photoType = (type == Type::Photo);
const auto photoVideoType = (type == Type::PhotoVideo);
if ((photoType || photoVideoType) && photo) {
return true;
}
const auto document = media->document();
if (!document) {
return false;
}
const auto voiceType = (type == Type::VoiceFile);
const auto voiceDoc = document->isVoiceMessage();
const auto roundType = (type == Type::RoundFile);
const auto roundDoc = document->isVideoMessage();
const auto audioType = (type == Type::MusicFile);
const auto audioDoc = document->isAudioFile();
const auto gifType = (type == Type::GIF);
const auto gifDoc = document->isGifv();
const auto videoType = (type == Type::Video);
const auto videoDoc = document->isVideoFile();
const auto voiceRoundType = (type == Type::RoundVoiceFile);
const auto fileType = (type == Type::File);
return (audioType && audioDoc)
|| (voiceType && voiceDoc)
|| (roundType && roundDoc)
|| (voiceRoundType && (roundDoc || voiceDoc))
|| (gifType && gifDoc)
|| ((videoType || photoVideoType) && videoDoc)
|| (fileType && (document->isTheme()
|| document->isImage()
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|| !document->canBeStreamed(item)));
}
} // namespace
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std::optional<Storage::SharedMediaType> SharedMediaOverviewType(
Storage::SharedMediaType type) {
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switch (type) {
case Type::Photo:
case Type::Video:
case Type::MusicFile:
case Type::File:
case Type::RoundVoiceFile:
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case Type::Link: return type;
}
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return std::nullopt;
}
bool SharedMediaAllowSearch(Storage::SharedMediaType type) {
switch (type) {
case Type::MusicFile:
case Type::File:
case Type::Link: return true;
default: return false;
}
}
rpl::producer<SparseIdsSlice> SharedMediaViewer(
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not_null<Main::Session*> session,
Storage::SharedMediaKey key,
int limitBefore,
int limitAfter) {
Expects(IsServerMsgId(key.messageId) || (key.messageId == 0));
Expects((key.messageId != 0) || (limitBefore == 0 && limitAfter == 0));
return [=](auto consumer) {
auto lifetime = rpl::lifetime();
auto builder = lifetime.make_state<SparseIdsSliceBuilder>(
key.messageId,
limitBefore,
limitAfter);
auto requestMediaAround = [
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peer = session->data().peer(key.peerId),
type = key.type
](const SparseIdsSliceBuilder::AroundData &data) {
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peer->session().api().requestSharedMedia(
peer,
type,
data.aroundId,
data.direction);
};
builder->insufficientAround(
) | rpl::start_with_next(requestMediaAround, lifetime);
auto pushNextSnapshot = [=] {
consumer.put_next(builder->snapshot());
};
using SliceUpdate = Storage::SharedMediaSliceUpdate;
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session->storage().sharedMediaSliceUpdated(
) | rpl::filter([=](const SliceUpdate &update) {
return (update.peerId == key.peerId)
&& (update.type == key.type);
}) | rpl::filter([=](const SliceUpdate &update) {
return builder->applyUpdate(update.data);
}) | rpl::start_with_next(pushNextSnapshot, lifetime);
using OneRemoved = Storage::SharedMediaRemoveOne;
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session->storage().sharedMediaOneRemoved(
) | rpl::filter([=](const OneRemoved &update) {
return (update.peerId == key.peerId)
&& update.types.test(key.type);
}) | rpl::filter([=](const OneRemoved &update) {
return builder->removeOne(update.messageId);
}) | rpl::start_with_next(pushNextSnapshot, lifetime);
using AllRemoved = Storage::SharedMediaRemoveAll;
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session->storage().sharedMediaAllRemoved(
) | rpl::filter([=](const AllRemoved &update) {
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return (update.peerId == key.peerId)
&& (update.types.test(key.type));
}) | rpl::filter([=] {
return builder->removeAll();
}) | rpl::start_with_next(pushNextSnapshot, lifetime);
using InvalidateBottom = Storage::SharedMediaInvalidateBottom;
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session->storage().sharedMediaBottomInvalidated(
) | rpl::filter([=](const InvalidateBottom &update) {
return (update.peerId == key.peerId);
}) | rpl::filter([=] {
return builder->invalidateBottom();
}) | rpl::start_with_next(pushNextSnapshot, lifetime);
using Result = Storage::SharedMediaResult;
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session->storage().query(Storage::SharedMediaQuery(
key,
limitBefore,
limitAfter
)) | rpl::filter([=](const Result &result) {
return builder->applyInitial(result);
}) | rpl::start_with_next_done(
pushNextSnapshot,
[=] { builder->checkInsufficient(); },
lifetime);
return lifetime;
};
}
rpl::producer<SparseIdsMergedSlice> SharedScheduledMediaViewer(
not_null<Main::Session*> session,
SharedMediaMergedKey key,
int limitBefore,
int limitAfter) {
Expects(!IsServerMsgId(key.mergedKey.universalId));
Expects((key.mergedKey.universalId != 0)
|| (limitBefore == 0 && limitAfter == 0));
const auto history = session->data().history(key.mergedKey.peerId);
return rpl::single(rpl::empty) | rpl::then(
session->data().scheduledMessages().updates(history)
) | rpl::map([=] {
const auto list = session->data().scheduledMessages().list(history);
auto items = ranges::views::all(
list.ids
) | ranges::views::transform([=](const FullMsgId &fullId) {
return session->data().message(fullId);
}) | ranges::views::filter([=](HistoryItem *item) {
return item
? IsItemGoodForType(item, key.type)
: false;
}) | ranges::to_vector;
ranges::sort(items, ranges::less(), &HistoryItem::position);
auto finishMsgIds = ranges::views::all(
items
) | ranges::views::transform([=](not_null<HistoryItem*> item) {
return item->fullId().msg;
}) | ranges::to_vector;
const auto fullCount = finishMsgIds.size();
auto unsorted = SparseUnsortedIdsSlice(
std::move(finishMsgIds),
fullCount,
list.skippedBefore,
list.skippedAfter);
return SparseIdsMergedSlice(
key.mergedKey,
std::move(unsorted));
});
}
rpl::producer<SparseIdsMergedSlice> SharedMediaMergedViewer(
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not_null<Main::Session*> session,
SharedMediaMergedKey key,
int limitBefore,
int limitAfter) {
auto createSimpleViewer = [=](
PeerId peerId,
SparseIdsSlice::Key simpleKey,
int limitBefore,
int limitAfter) {
return SharedMediaViewer(
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session,
Storage::SharedMediaKey(
peerId,
key.type,
simpleKey),
limitBefore,
limitAfter
);
};
return SparseIdsMergedSlice::CreateViewer(
key.mergedKey,
limitBefore,
limitAfter,
std::move(createSimpleViewer));
}
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SharedMediaWithLastSlice::SharedMediaWithLastSlice(
not_null<Main::Session*> session,
Key key)
: SharedMediaWithLastSlice(
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session,
key,
SparseIdsMergedSlice(ViewerKey(key)),
EndingSlice(key)) {
}
SharedMediaWithLastSlice::SharedMediaWithLastSlice(
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not_null<Main::Session*> session,
Key key,
SparseIdsMergedSlice slice,
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std::optional<SparseIdsMergedSlice> ending)
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: _session(session)
, _key(key)
, _slice(std::move(slice))
, _ending(std::move(ending))
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, _lastPhotoId(LastPeerPhotoId(session, key.peerId))
, _isolatedLastPhoto(_key.type == Type::ChatPhoto
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? IsLastIsolated(session, _slice, _ending, _lastPhotoId)
: false) {
}
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std::optional<int> SharedMediaWithLastSlice::fullCount() const {
return Add(
_slice.fullCount(),
_isolatedLastPhoto | [](bool isolated) { return isolated ? 1 : 0; });
}
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std::optional<int> SharedMediaWithLastSlice::skippedBeforeImpl() const {
return _slice.skippedBefore();
}
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std::optional<int> SharedMediaWithLastSlice::skippedBefore() const {
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return _reversed ? skippedAfterImpl() : skippedBeforeImpl();
}
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std::optional<int> SharedMediaWithLastSlice::skippedAfterImpl() const {
return isolatedInSlice()
? Add(
_slice.skippedAfter(),
lastPhotoSkip())
: (lastPhotoSkip() | [](int) { return 0; });
}
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std::optional<int> SharedMediaWithLastSlice::skippedAfter() const {
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return _reversed ? skippedBeforeImpl() : skippedAfterImpl();
}
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std::optional<int> SharedMediaWithLastSlice::indexOfImpl(Value value) const {
return std::get_if<FullMsgId>(&value)
? _slice.indexOf(*std::get_if<FullMsgId>(&value))
: (isolatedInSlice()
|| !_lastPhotoId
|| (*std::get_if<not_null<PhotoData*>>(&value))->id != *_lastPhotoId)
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? std::nullopt
: Add(_slice.size() - 1, lastPhotoSkip());
}
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std::optional<int> SharedMediaWithLastSlice::indexOf(Value value) const {
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const auto result = indexOfImpl(value);
if (result && (*result < 0 || *result >= size())) {
// Should not happen.
auto info = QStringList();
info.push_back("slice:" + QString::number(_slice.size()));
info.push_back(_slice.fullCount()
? QString::number(*_slice.fullCount())
: QString("-"));
info.push_back(_slice.skippedBefore()
? QString::number(*_slice.skippedBefore())
: QString("-"));
info.push_back(_slice.skippedAfter()
? QString::number(*_slice.skippedAfter())
: QString("-"));
info.push_back("ending:" + (_ending
? QString::number(_ending->size())
: QString("-")));
info.push_back((_ending && _ending->fullCount())
? QString::number(*_ending->fullCount())
: QString("-"));
info.push_back((_ending && _ending->skippedBefore())
? QString::number(*_ending->skippedBefore())
: QString("-"));
info.push_back((_ending && _ending->skippedAfter())
? QString::number(*_ending->skippedAfter())
: QString("-"));
if (const auto msgId = std::get_if<FullMsgId>(&value)) {
info.push_back("value:" + QString::number(msgId->peer.value));
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info.push_back(QString::number(msgId->msg.bare));
const auto index = _slice.indexOf(*std::get_if<FullMsgId>(&value));
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info.push_back("index:" + (index
? QString::number(*index)
: QString("-")));
} else if (const auto photo = std::get_if<not_null<PhotoData*>>(&value)) {
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info.push_back("value:" + QString::number((*photo)->id));
} else {
info.push_back("value:bad");
}
info.push_back("isolated:" + QString(Logs::b(isolatedInSlice())));
info.push_back("last:" + (_lastPhotoId
? QString::number(*_lastPhotoId)
: QString("-")));
info.push_back("isolated_last:" + (_isolatedLastPhoto
? QString(Logs::b(*_isolatedLastPhoto))
: QString("-")));
info.push_back("skip:" + (lastPhotoSkip()
? QString::number(*lastPhotoSkip())
: QString("-")));
CrashReports::SetAnnotation("DebugInfo", info.join(','));
Unexpected("Result in SharedMediaWithLastSlice::indexOf");
}
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return _reversed
? (result | func::negate | func::add(size() - 1))
: result;
}
int SharedMediaWithLastSlice::size() const {
return _slice.size()
+ ((!isolatedInSlice() && lastPhotoSkip() == 1) ? 1 : 0);
}
SharedMediaWithLastSlice::Value SharedMediaWithLastSlice::operator[](int index) const {
Expects(index >= 0 && index < size());
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if (_reversed) {
index = size() - index - 1;
}
return (index < _slice.size())
? Value(_slice[index])
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: Value(_session->data().photo(*_lastPhotoId));
}
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std::optional<int> SharedMediaWithLastSlice::distance(
const Key &a,
const Key &b) const {
if (auto i = indexOf(ComputeId(a))) {
if (auto j = indexOf(ComputeId(b))) {
return *j - *i;
}
}
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return std::nullopt;
}
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void SharedMediaWithLastSlice::reverse() {
_reversed = !_reversed;
}
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std::optional<PhotoId> SharedMediaWithLastSlice::LastPeerPhotoId(
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not_null<Main::Session*> session,
PeerId peerId) {
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if (const auto peer = session->data().peerLoaded(peerId)) {
return peer->userpicPhotoUnknown()
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? std::nullopt
: base::make_optional(peer->userpicPhotoId());
}
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return std::nullopt;
}
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std::optional<bool> SharedMediaWithLastSlice::IsLastIsolated(
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not_null<Main::Session*> session,
const SparseIdsMergedSlice &slice,
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const std::optional<SparseIdsMergedSlice> &ending,
std::optional<PhotoId> lastPeerPhotoId) {
if (!lastPeerPhotoId) {
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return std::nullopt;
} else if (!*lastPeerPhotoId) {
return false;
}
return LastFullMsgId(ending ? *ending : slice)
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| [&](FullMsgId msgId) { return session->data().message(msgId); }
| [](HistoryItem *item) { return item ? item->media() : nullptr; }
| [](Data::Media *media) { return media ? media->photo() : nullptr; }
| [](PhotoData *photo) { return photo ? photo->id : 0; }
| [&](PhotoId photoId) { return *lastPeerPhotoId != photoId; };
}
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std::optional<FullMsgId> SharedMediaWithLastSlice::LastFullMsgId(
const SparseIdsMergedSlice &slice) {
if (slice.fullCount() == 0) {
return FullMsgId();
} else if (slice.size() == 0 || slice.skippedAfter() != 0) {
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return std::nullopt;
}
return slice[slice.size() - 1];
}
rpl::producer<SharedMediaWithLastSlice> SharedMediaWithLastViewer(
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not_null<Main::Session*> session,
SharedMediaWithLastSlice::Key key,
int limitBefore,
int limitAfter) {
return [=](auto consumer) {
auto viewerKey = SharedMediaMergedKey(
SharedMediaWithLastSlice::ViewerKey(key),
key.type);
if (std::get_if<not_null<PhotoData*>>(&key.universalId)) {
return SharedMediaMergedViewer(
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session,
std::move(viewerKey),
limitBefore,
limitAfter
) | rpl::start_with_next([=](SparseIdsMergedSlice &&update) {
consumer.put_next(SharedMediaWithLastSlice(
session,
key,
std::move(update),
std::nullopt));
});
}
if (key.scheduled) {
return SharedScheduledMediaViewer(
session,
std::move(viewerKey),
limitBefore,
limitAfter
) | rpl::start_with_next([=](SparseIdsMergedSlice &&update) {
consumer.put_next(SharedMediaWithLastSlice(
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session,
key,
std::move(update),
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std::nullopt));
});
}
return rpl::combine(
SharedMediaMergedViewer(
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session,
std::move(viewerKey),
limitBefore,
limitAfter),
SharedMediaMergedViewer(
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session,
SharedMediaMergedKey(
SharedMediaWithLastSlice::EndingKey(key),
key.type),
1,
1)
) | rpl::start_with_next([=](
SparseIdsMergedSlice &&viewer,
SparseIdsMergedSlice &&ending) {
consumer.put_next(SharedMediaWithLastSlice(
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session,
key,
std::move(viewer),
std::move(ending)));
});
};
}
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rpl::producer<SharedMediaWithLastSlice> SharedMediaWithLastReversedViewer(
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not_null<Main::Session*> session,
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SharedMediaWithLastSlice::Key key,
int limitBefore,
int limitAfter) {
return SharedMediaWithLastViewer(
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session,
key,
limitBefore,
limitAfter
) | rpl::map([](SharedMediaWithLastSlice &&slice) {
slice.reverse();
return std::move(slice);
});
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}