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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 "api/api_unread_things.h"
#include "data/data_peer.h"
#include "data/data_channel.h"
#include "data/data_forum_topic.h"
#include "data/data_session.h"
#include "main/main_session.h"
#include "history/history.h"
#include "history/history_item.h"
#include "history/history_unread_things.h"
#include "apiwrap.h"
namespace Api {
namespace {
constexpr auto kPreloadIfLess = 5;
constexpr auto kFirstRequestLimit = 10;
constexpr auto kNextRequestLimit = 100;
} // namespace
UnreadThings::UnreadThings(not_null<ApiWrap*> api) : _api(api) {
}
bool UnreadThings::trackMentions(Data::Thread *thread) const {
const auto peer = thread ? thread->peer().get() : nullptr;
return peer && (peer->isChat() || peer->isMegagroup());
}
bool UnreadThings::trackReactions(Data::Thread *thread) const {
const auto peer = thread ? thread->peer().get() : nullptr;
return peer && (peer->isUser() || peer->isChat() || peer->isMegagroup());
}
void UnreadThings::preloadEnough(Data::Thread *thread) {
if (trackMentions(thread)) {
preloadEnoughMentions(thread);
}
if (trackReactions(thread)) {
preloadEnoughReactions(thread);
}
}
void UnreadThings::mediaAndMentionsRead(
const base::flat_set<MsgId> &readIds,
ChannelData *channel) {
for (const auto &msgId : readIds) {
_api->requestMessageData(channel, msgId, [=] {
const auto item = channel
? _api->session().data().message(channel->id, msgId)
: _api->session().data().nonChannelMessage(msgId);
if (item && item->mentionsMe()) {
item->markMediaAndMentionRead();
}
});
}
}
void UnreadThings::preloadEnoughMentions(not_null<Data::Thread*> thread) {
const auto fullCount = thread->unreadMentions().count();
const auto loadedCount = thread->unreadMentions().loadedCount();
const auto allLoaded = (fullCount >= 0) && (loadedCount >= fullCount);
if (fullCount >= 0 && loadedCount < kPreloadIfLess && !allLoaded) {
requestMentions(thread, loadedCount);
}
}
void UnreadThings::preloadEnoughReactions(not_null<Data::Thread*> thread) {
const auto fullCount = thread->unreadReactions().count();
const auto loadedCount = thread->unreadReactions().loadedCount();
const auto allLoaded = (fullCount >= 0) && (loadedCount >= fullCount);
if (fullCount >= 0 && loadedCount < kPreloadIfLess && !allLoaded) {
requestReactions(thread, loadedCount);
}
}
void UnreadThings::cancelRequests(not_null<Data::Thread*> thread) {
if (const auto requestId = _mentionsRequests.take(thread)) {
_api->request(*requestId).cancel();
}
if (const auto requestId = _reactionsRequests.take(thread)) {
_api->request(*requestId).cancel();
}
}
void UnreadThings::requestMentions(
not_null<Data::Thread*> thread,
int loaded) {
if (_mentionsRequests.contains(thread)) {
return;
}
const auto offsetId = std::max(
thread->unreadMentions().maxLoaded(),
MsgId(1));
const auto limit = loaded ? kNextRequestLimit : kFirstRequestLimit;
const auto addOffset = loaded ? -(limit + 1) : -limit;
const auto maxId = 0;
const auto minId = 0;
const auto history = thread->owningHistory();
const auto topic = thread->asTopic();
using Flag = MTPmessages_GetUnreadMentions::Flag;
const auto requestId = _api->request(MTPmessages_GetUnreadMentions(
MTP_flags(topic ? Flag::f_top_msg_id : Flag()),
history->peer->input,
MTP_int(topic ? topic->rootId() : 0),
MTP_int(offsetId),
MTP_int(addOffset),
MTP_int(limit),
MTP_int(maxId),
MTP_int(minId)
)).done([=](const MTPmessages_Messages &result) {
_mentionsRequests.remove(thread);
thread->unreadMentions().addSlice(result, loaded);
}).fail([=] {
_mentionsRequests.remove(thread);
}).send();
_mentionsRequests.emplace(thread, requestId);
}
void UnreadThings::requestReactions(
not_null<Data::Thread*> thread,
int loaded) {
if (_reactionsRequests.contains(thread)) {
return;
}
const auto offsetId = loaded
? std::max(thread->unreadReactions().maxLoaded(), MsgId(1))
: MsgId(1);
const auto limit = loaded ? kNextRequestLimit : kFirstRequestLimit;
const auto addOffset = loaded ? -(limit + 1) : -limit;
const auto maxId = 0;
const auto minId = 0;
const auto history = thread->owningHistory();
const auto topic = thread->asTopic();
using Flag = MTPmessages_GetUnreadReactions::Flag;
const auto requestId = _api->request(MTPmessages_GetUnreadReactions(
MTP_flags(topic ? Flag::f_top_msg_id : Flag()),
history->peer->input,
MTP_int(topic ? topic->rootId() : 0),
MTP_int(offsetId),
MTP_int(addOffset),
MTP_int(limit),
MTP_int(maxId),
MTP_int(minId)
)).done([=](const MTPmessages_Messages &result) {
_reactionsRequests.remove(thread);
thread->unreadReactions().addSlice(result, loaded);
}).fail([=] {
_reactionsRequests.remove(thread);
}).send();
_reactionsRequests.emplace(thread, requestId);
}
} // namespace UnreadThings
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