tdesktop/Telegram/SourceFiles/data/data_sponsored_messages.cpp

469 lines
13 KiB
C++

/*
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_sponsored_messages.h"
#include "api/api_text_entities.h"
#include "apiwrap.h"
#include "base/unixtime.h"
#include "data/data_channel.h"
#include "data/data_peer_id.h"
#include "data/data_session.h"
#include "data/data_user.h"
#include "history/history.h"
#include "history/history_item.h"
#include "history/view/history_view_element.h"
#include "lang/lang_keys.h"
#include "main/main_session.h"
#include "ui/image/image_location_factory.h"
#include "ui/text/text_utilities.h" // Ui::Text::RichLangValue.
namespace Data {
namespace {
constexpr auto kRequestTimeLimit = 5 * 60 * crl::time(1000);
[[nodiscard]] bool TooEarlyForRequest(crl::time received) {
return (received > 0) && (received + kRequestTimeLimit > crl::now());
}
} // namespace
SponsoredMessages::SponsoredMessages(not_null<Session*> owner)
: _session(&owner->session())
, _clearTimer([=] { clearOldRequests(); }) {
}
SponsoredMessages::~SponsoredMessages() {
for (const auto &request : _requests) {
_session->api().request(request.second.requestId).cancel();
}
}
void SponsoredMessages::clearOldRequests() {
const auto now = crl::now();
while (true) {
const auto i = ranges::find_if(_requests, [&](const auto &value) {
const auto &request = value.second;
return !request.requestId
&& (request.lastReceived + kRequestTimeLimit <= now);
});
if (i == end(_requests)) {
break;
}
_requests.erase(i);
}
}
bool SponsoredMessages::append(not_null<History*> history) {
const auto it = _data.find(history);
if (it == end(_data)) {
return false;
}
auto &list = it->second;
if (list.showedAll
|| !TooEarlyForRequest(list.received)
|| list.postsBetween) {
return false;
}
const auto entryIt = ranges::find_if(list.entries, [](const Entry &e) {
return e.item == nullptr;
});
if (entryIt == end(list.entries)) {
list.showedAll = true;
return false;
}
entryIt->item.reset(history->addNewLocalMessage(
_session->data().nextLocalMessageId(),
entryIt->sponsored.from,
entryIt->sponsored.textWithEntities));
return true;
}
void SponsoredMessages::inject(
not_null<History*> history,
MsgId injectAfterMsgId,
int betweenHeight,
int fallbackWidth) {
if (!canHaveFor(history)) {
return;
}
const auto it = _data.find(history);
if (it == end(_data)) {
return;
}
auto &list = it->second;
if (!list.postsBetween || (list.entries.size() == list.injectedCount)) {
return;
}
while (true) {
const auto entryIt = ranges::find_if(list.entries, [](const auto &e) {
return e.item == nullptr;
});
if (entryIt == end(list.entries)) {
list.showedAll = true;
return;
}
const auto lastView = (entryIt != begin(list.entries))
? (entryIt - 1)->item->mainView()
: (injectAfterMsgId == ShowAtUnreadMsgId)
? history->firstUnreadMessage()
: [&] {
const auto message = history->peer->owner().message(
history->peer->id,
injectAfterMsgId);
return message ? message->mainView() : nullptr;
}();
if (!lastView || !lastView->block()) {
return;
}
auto summaryBetween = 0;
auto summaryHeight = 0;
using BlockPtr = std::unique_ptr<HistoryBlock>;
using ViewPtr = std::unique_ptr<HistoryView::Element>;
auto blockIt = ranges::find(
history->blocks,
lastView->block(),
&BlockPtr::get);
if (blockIt == end(history->blocks)) {
return;
}
const auto messages = [&]() -> const std::vector<ViewPtr> & {
return (*blockIt)->messages;
};
auto lastViewIt = ranges::find(messages(), lastView, &ViewPtr::get);
while ((summaryBetween < list.postsBetween)
|| (summaryHeight < betweenHeight)) {
lastViewIt++;
if (lastViewIt == end(messages())) {
blockIt++;
if (blockIt != end(history->blocks)) {
lastViewIt = begin(messages());
} else {
return;
}
}
summaryBetween++;
const auto viewHeight = (*lastViewIt)->height();
summaryHeight += viewHeight
? viewHeight
: (*lastViewIt)->resizeGetHeight(fallbackWidth);
}
const auto makedMessage = history->makeMessage(
_session->data().nextLocalMessageId(),
entryIt->sponsored.from,
entryIt->sponsored.textWithEntities,
(*lastViewIt)->data());
entryIt->item.reset(makedMessage.get());
history->addNewInTheMiddle(
makedMessage.get(),
std::distance(begin(history->blocks), blockIt),
std::distance(begin(messages()), lastViewIt) + 1);
messages().back().get()->setPendingResize();
list.injectedCount++;
}
}
bool SponsoredMessages::canHaveFor(not_null<History*> history) const {
return history->peer->isChannel();
}
void SponsoredMessages::request(not_null<History*> history, Fn<void()> done) {
if (!canHaveFor(history)) {
return;
}
auto &request = _requests[history];
if (request.requestId || TooEarlyForRequest(request.lastReceived)) {
return;
}
{
const auto it = _data.find(history);
if (it != end(_data)) {
auto &list = it->second;
// Don't rebuild currently displayed messages.
const auto proj = [](const Entry &e) {
return e.item != nullptr;
};
if (ranges::any_of(list.entries, proj)) {
return;
}
}
}
const auto channel = history->peer->asChannel();
Assert(channel != nullptr);
request.requestId = _session->api().request(
MTPchannels_GetSponsoredMessages(
channel->inputChannel)
).done([=](const MTPmessages_sponsoredMessages &result) {
parse(history, result);
if (done) {
done();
}
}).fail([=] {
_requests.remove(history);
}).send();
}
void SponsoredMessages::parse(
not_null<History*> history,
const MTPmessages_sponsoredMessages &list) {
auto &request = _requests[history];
request.lastReceived = crl::now();
request.requestId = 0;
if (!_clearTimer.isActive()) {
_clearTimer.callOnce(kRequestTimeLimit * 2);
}
list.match([&](const MTPDmessages_sponsoredMessages &data) {
_session->data().processUsers(data.vusers());
_session->data().processChats(data.vchats());
const auto &messages = data.vmessages().v;
auto &list = _data.emplace(history, List()).first->second;
list.entries.clear();
list.received = crl::now();
for (const auto &message : messages) {
append(history, list, message);
}
if (const auto postsBetween = data.vposts_between()) {
list.postsBetween = postsBetween->v;
list.state = State::InjectToMiddle;
} else {
list.state = State::AppendToEnd;
}
}, [](const MTPDmessages_sponsoredMessagesEmpty &) {
});
}
void SponsoredMessages::append(
not_null<History*> history,
List &list,
const MTPSponsoredMessage &message) {
const auto &data = message.data();
const auto randomId = data.vrandom_id().v;
const auto hash = qs(data.vchat_invite_hash().value_or_empty());
const auto makeFrom = [&](
not_null<PeerData*> peer,
bool exactPost = false) {
const auto channel = peer->asChannel();
return SponsoredFrom{
.peer = peer,
.title = peer->name(),
.isBroadcast = (channel && channel->isBroadcast()),
.isMegagroup = (channel && channel->isMegagroup()),
.isChannel = (channel != nullptr),
.isPublic = (channel && channel->isPublic()),
.isBot = (peer->isUser() && peer->asUser()->isBot()),
.isExactPost = exactPost,
.isRecommended = data.is_recommended(),
.userpic = { .location = peer->userpicLocation() },
.isForceUserpicDisplay = data.is_show_peer_photo(),
};
};
const auto externalLink = data.vwebpage()
? qs(data.vwebpage()->data().vurl())
: QString();
const auto userpicFromPhoto = [&](const MTPphoto &photo) {
return photo.match([&](const MTPDphoto &data) {
for (const auto &size : data.vsizes().v) {
const auto result = Images::FromPhotoSize(
_session,
data,
size);
if (result.location.valid()) {
return result;
}
}
return ImageWithLocation{};
}, [](const MTPDphotoEmpty &) {
return ImageWithLocation{};
});
};
const auto from = [&]() -> SponsoredFrom {
if (const auto webpage = data.vwebpage()) {
const auto &data = webpage->data();
auto userpic = data.vphoto()
? userpicFromPhoto(*data.vphoto())
: ImageWithLocation{};
return SponsoredFrom{
.title = qs(data.vsite_name()),
.isExternalLink = true,
.userpic = std::move(userpic),
.isForceUserpicDisplay = message.data().is_show_peer_photo(),
};
} else if (const auto fromId = data.vfrom_id()) {
return makeFrom(
_session->data().peer(peerFromMTP(*fromId)),
(data.vchannel_post() != nullptr));
}
Assert(data.vchat_invite());
return data.vchat_invite()->match([&](const MTPDchatInvite &data) {
auto userpic = userpicFromPhoto(data.vphoto());
return SponsoredFrom{
.title = qs(data.vtitle()),
.isBroadcast = data.is_broadcast(),
.isMegagroup = data.is_megagroup(),
.isChannel = data.is_channel(),
.isPublic = data.is_public(),
.userpic = std::move(userpic),
.isForceUserpicDisplay = message.data().is_show_peer_photo(),
};
}, [&](const MTPDchatInviteAlready &data) {
const auto chat = _session->data().processChat(data.vchat());
if (const auto channel = chat->asChannel()) {
channel->clearInvitePeek();
}
return makeFrom(chat);
}, [&](const MTPDchatInvitePeek &data) {
const auto chat = _session->data().processChat(data.vchat());
if (const auto channel = chat->asChannel()) {
channel->setInvitePeek(hash, data.vexpires().v);
}
return makeFrom(chat);
});
}();
auto sponsorInfo = data.vsponsor_info()
? tr::lng_sponsored_info_submenu(
tr::now,
lt_text,
{ .text = qs(*data.vsponsor_info()) },
Ui::Text::RichLangValue)
: TextWithEntities();
auto additionalInfo = TextWithEntities::Simple(
data.vadditional_info() ? qs(*data.vadditional_info()) : QString());
auto sharedMessage = SponsoredMessage{
.randomId = randomId,
.from = from,
.textWithEntities = {
.text = qs(data.vmessage()),
.entities = Api::EntitiesFromMTP(
_session,
data.ventities().value_or_empty()),
},
.history = history,
.msgId = data.vchannel_post().value_or_empty(),
.chatInviteHash = hash,
.externalLink = externalLink,
.sponsorInfo = std::move(sponsorInfo),
.additionalInfo = std::move(additionalInfo),
};
list.entries.push_back({ nullptr, std::move(sharedMessage) });
}
void SponsoredMessages::clearItems(not_null<History*> history) {
const auto it = _data.find(history);
if (it == end(_data)) {
return;
}
auto &list = it->second;
for (auto &entry : list.entries) {
entry.item.reset();
}
list.showedAll = false;
list.injectedCount = 0;
}
const SponsoredMessages::Entry *SponsoredMessages::find(
const FullMsgId &fullId) const {
if (!peerIsChannel(fullId.peer)) {
return nullptr;
}
const auto history = _session->data().history(fullId.peer);
const auto it = _data.find(history);
if (it == end(_data)) {
return nullptr;
}
auto &list = it->second;
const auto entryIt = ranges::find_if(list.entries, [&](const Entry &e) {
return e.item && e.item->fullId() == fullId;
});
if (entryIt == end(list.entries)) {
return nullptr;
}
return &*entryIt;
}
void SponsoredMessages::view(const FullMsgId &fullId) {
const auto entryPtr = find(fullId);
if (!entryPtr) {
return;
}
const auto randomId = entryPtr->sponsored.randomId;
auto &request = _viewRequests[randomId];
if (request.requestId || TooEarlyForRequest(request.lastReceived)) {
return;
}
const auto channel = entryPtr->item->history()->peer->asChannel();
Assert(channel != nullptr);
request.requestId = _session->api().request(
MTPchannels_ViewSponsoredMessage(
channel->inputChannel,
MTP_bytes(randomId))
).done([=] {
auto &request = _viewRequests[randomId];
request.lastReceived = crl::now();
request.requestId = 0;
}).fail([=] {
_viewRequests.remove(randomId);
}).send();
}
SponsoredMessages::Details SponsoredMessages::lookupDetails(
const FullMsgId &fullId) const {
const auto entryPtr = find(fullId);
if (!entryPtr) {
return {};
}
const auto &data = entryPtr->sponsored;
const auto &hash = data.chatInviteHash;
using InfoList = std::vector<TextWithEntities>;
const auto info = (!data.sponsorInfo.text.isEmpty()
&& !data.additionalInfo.text.isEmpty())
? InfoList{ data.sponsorInfo, data.additionalInfo }
: !data.sponsorInfo.text.isEmpty()
? InfoList{ data.sponsorInfo }
: !data.additionalInfo.text.isEmpty()
? InfoList{ data.additionalInfo }
: InfoList{};
return {
.hash = hash.isEmpty() ? std::nullopt : std::make_optional(hash),
.peer = data.from.peer,
.msgId = data.msgId,
.info = std::move(info),
.externalLink = data.externalLink,
};
}
void SponsoredMessages::clicked(const FullMsgId &fullId) {
const auto entryPtr = find(fullId);
if (!entryPtr) {
return;
}
const auto randomId = entryPtr->sponsored.randomId;
const auto channel = entryPtr->item->history()->peer->asChannel();
Assert(channel != nullptr);
_session->api().request(MTPchannels_ClickSponsoredMessage(
channel->inputChannel,
MTP_bytes(randomId)
)).send();
}
SponsoredMessages::State SponsoredMessages::state(
not_null<History*> history) const {
const auto it = _data.find(history);
return (it == end(_data)) ? State::None : it->second.state;
}
} // namespace Data