Support channel stories archive.

Telegram/Resources/langs/lang.strings

@@ -1183,6 +1183,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_profile_loading" = "Loading...";
 "lng_profile_saved_stories#one" = "{count} saved story";
 "lng_profile_saved_stories#other" = "{count} saved stories";
+"lng_profile_posts#one" = "{count} post";
+"lng_profile_posts#other" = "{count} posts";
 "lng_profile_photos#one" = "{count} photo";
 "lng_profile_photos#other" = "{count} photos";
 "lng_profile_gifs#one" = "{count} GIF";
@@ -3974,6 +3976,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_stories_recent_button" = "Recent Stories";
 "lng_stories_archive_title" = "Stories Archive";
 "lng_stories_archive_about" = "Only you can see archived stories unless you choose to save them to your profile.";
+"lng_stories_channel_archive_about" = "Only admins of the channel can see archived stories unless you choose to save them to the channel page.";
 "lng_stories_reply_sent" = "Message Sent";
 "lng_stories_hidden_to_contacts" = "Stories from {user} will now be shown in **Archived Chats**.";
 "lng_stories_shown_in_chats" = "Stories from {user} will now be shown in the **Chats List**.";

Telegram/SourceFiles/data/data_channel.cpp

@@ -546,6 +546,21 @@ bool ChannelData::canDeleteMessages() const {
 		|| (adminRights() & AdminRight::DeleteMessages);
 }
 
+bool ChannelData::canPostStories() const {
+	return amCreator()
+		|| (adminRights() & AdminRight::PostStories);
+}
+
+bool ChannelData::canEditStories() const {
+	return amCreator()
+		|| (adminRights() & AdminRight::EditStories);
+}
+
+bool ChannelData::canDeleteStories() const {
+	return amCreator()
+		|| (adminRights() & AdminRight::DeleteStories);
+}
+
 bool ChannelData::anyoneCanAddMembers() const {
 	return !(defaultRestrictions() & Restriction::AddParticipants);
 }

Telegram/SourceFiles/data/data_stories.cpp

@@ -107,6 +107,31 @@ Stories::Stories(not_null<Session*> owner)
 , _incrementViewsTimer([=] { sendIncrementViewsRequests(); })
 , _pollingTimer([=] { sendPollingRequests(); })
 , _pollingViewsTimer([=] { sendPollingViewsRequests(); }) {
+	crl::on_main(this, [=] {
+		session().changes().peerUpdates(
+			Data::PeerUpdate::Flag::Rights
+		) | rpl::start_with_next([=](const Data::PeerUpdate &update) {
+			const auto channel = update.peer->asChannel();
+			if (!channel) {
+				return;
+			} else if (!channel->canEditStories()) {
+				const auto peerId = channel->id;
+				const auto i = _peersWithDeletedStories.find(peerId);
+				if (i != end(_peersWithDeletedStories)) {
+					_peersWithDeletedStories.erase(i);
+					for (auto j = begin(_deleted); j != end(_deleted);) {
+						if (j->peer == peerId) {
+							j = _deleted.erase(j);
+						} else {
+							++j;
+						}
+					}
+				}
+			} else {
+				clearArchive(channel);
+			}
+		}, _lifetime);
+	});
 }
 
 Stories::~Stories() {
@@ -293,6 +318,36 @@ void Stories::processExpired() {
 	}
 }
 
+Stories::Set *Stories::lookupArchive(not_null<PeerData*> peer) {
+	const auto peerId = peer->id;
+	if (hasArchive(peer)) {
+		const auto i = _archive.find(peerId);
+		return (i != end(_archive))
+			? &i->second
+			: &_archive.emplace(peerId, Set()).first->second;
+	}
+	clearArchive(peer);
+	return nullptr;
+}
+
+void Stories::clearArchive(not_null<PeerData*> peer) {
+	const auto peerId = peer->id;
+	const auto i = _archive.find(peerId);
+	if (i == end(_archive)) {
+		return;
+	}
+	auto archive = base::take(i->second);
+	_archive.erase(i);
+	for (const auto &id : archive.ids.list) {
+		if (const auto story = lookup({ peerId, id })) {
+			if ((*story)->expired() && !(*story)->pinned()) {
+				applyDeleted(peer, id);
+			}
+		}
+	}
+	_archiveChanged.fire_copy(peerId);
+}
+
 void Stories::parseAndApply(const MTPPeerStories &stories) {
 	const auto &data = stories.data();
 	const auto peerId = peerFromMTP(data.vpeer());
@@ -377,7 +432,7 @@ Story *Stories::parseAndApply(
 	}
 	const auto expires = data.vexpire_date().v;
 	const auto expired = (expires <= now);
-	if (expired && !data.is_pinned() && !peer->isSelf()) {
+	if (expired && !data.is_pinned() && !hasArchive(peer)) {
 		return nullptr;
 	}
 	const auto id = data.vid().v;
@@ -413,13 +468,13 @@ Story *Stories::parseAndApply(
 		now
 	)).first->second.get();
 
-	if (peer->isSelf()) {
-		const auto added = _archive.list.emplace(id).second;
+	if (const auto archive = lookupArchive(peer)) {
+		const auto added = archive->ids.list.emplace(id).second;
 		if (added) {
-			if (_archiveTotal >= 0 && id > _archiveLastId) {
-				++_archiveTotal;
+			if (archive->total >= 0 && id > archive->lastId) {
+				++archive->total;
 			}
-			_archiveChanged.fire({});
+			_archiveChanged.fire_copy(peer->id);
 		}
 	}
 
@@ -445,7 +500,7 @@ StoryIdDates Stories::parseAndApply(
 		if (const auto story = parseAndApply(peer, data, now)) {
 			return story->idDates();
 		}
-		applyDeleted({ peer->id, data.vid().v });
+		applyDeleted(peer, data.vid().v);
 		return StoryIdDates();
 	}, [&](const MTPDstoryItemSkipped &data) {
 		const auto expires = data.vexpire_date().v;
@@ -453,8 +508,8 @@ StoryIdDates Stories::parseAndApply(
 		const auto fullId = FullStoryId{ peer->id, data.vid().v };
 		if (!expired) {
 			registerExpiring(expires, fullId);
-		} else if (!peer->isSelf()) {
-			applyDeleted(fullId);
+		} else if (!hasArchive(peer)) {
+			applyDeleted(peer, data.vid().v);
 			return StoryIdDates();
 		} else {
 			_expiring.remove(expires, fullId);
@@ -466,7 +521,7 @@ StoryIdDates Stories::parseAndApply(
 			data.vexpire_date().v,
 		};
 	}, [&](const MTPDstoryItemDeleted &data) {
-		applyDeleted({ peer->id, data.vid().v });
+		applyDeleted(peer, data.vid().v);
 		return StoryIdDates();
 	});
 }
@@ -581,8 +636,8 @@ void Stories::preloadListsMore() {
 		loadMore(StorySourcesList::NotHidden);
 	} else if (!countLoaded(StorySourcesList::Hidden)) {
 		loadMore(StorySourcesList::Hidden);
-	} else if (!archiveCountKnown()) {
-		archiveLoadMore();
+	} else if (!archiveCountKnown(_owner->session().userPeerId())) {
+		archiveLoadMore(_owner->session().userPeerId());
 	}
 }
 
@@ -681,12 +736,12 @@ void Stories::processResolvedStories(
 	for (const auto &item : list) {
 		item.match([&](const MTPDstoryItem &data) {
 			if (!parseAndApply(peer, data, now)) {
-				applyDeleted({ peer->id, data.vid().v });
+				applyDeleted(peer, data.vid().v);
 			}
 		}, [&](const MTPDstoryItemSkipped &data) {
 			LOG(("API Error: Unexpected storyItemSkipped in resolve."));
 		}, [&](const MTPDstoryItemDeleted &data) {
-			applyDeleted({ peer->id, data.vid().v });
+			applyDeleted(peer, data.vid().v);
 		});
 	}
 }
@@ -697,19 +752,29 @@ void Stories::finalizeResolve(FullStoryId id) {
 		LOG(("API Error: Could not resolve story %1_%2"
 			).arg(id.peer.value
 			).arg(id.story));
-		applyDeleted(id);
+		applyDeleted(_owner->peer(id.peer), id.story);
 	}
 }
 
-void Stories::applyDeleted(FullStoryId id) {
-	applyRemovedFromActive(id);
+void Stories::applyDeleted(not_null<PeerData*> peer, StoryId id) {
+	const auto fullId = FullStoryId{ peer->id, id };
+	applyRemovedFromActive(fullId);
 
-	_deleted.emplace(id);
-	const auto i = _stories.find(id.peer);
+	if (const auto channel = peer->asChannel()) {
+		if (!hasArchive(channel)) {
+			_peersWithDeletedStories.emplace(channel->id);
+		}
+	}
+
+	_deleted.emplace(fullId);
+	const auto peerId = peer->id;
+	const auto i = _stories.find(peerId);
 	if (i != end(_stories)) {
-		const auto j = i->second.find(id.story);
+		const auto j = i->second.find(id);
 		if (j != end(i->second)) {
-			const auto &story = _deletingStories[id] = std::move(j->second);
+			const auto &story
+				= _deletingStories[fullId]
+				= std::move(j->second);
 			_expiring.remove(story->expires(), story->fullId());
 			i->second.erase(j);
 
@@ -717,32 +782,37 @@ void Stories::applyDeleted(FullStoryId id) {
 				story.get(),
 				UpdateFlag::Destroyed);
 			removeDependencyStory(story.get());
-			if (id.peer == session().userPeerId()
-				&& _archive.list.remove(id.story)) {
-				if (_archiveTotal > 0) {
-					--_archiveTotal;
-				}
-				_archiveChanged.fire({});
-			}
-			if (story->pinned()) {
-				if (const auto k = _saved.find(id.peer); k != end(_saved)) {
-					const auto saved = &k->second;
-					if (saved->ids.list.remove(id.story)) {
-						if (saved->total > 0) {
-							--saved->total;
+			if (hasArchive(story->peer())) {
+				if (const auto k = _archive.find(peerId)
+					; k != end(_archive)) {
+					const auto archive = &k->second;
+					if (archive->ids.list.remove(id)) {
+						if (archive->total > 0) {
+							--archive->total;
 						}
-						_savedChanged.fire_copy(id.peer);
+						_archiveChanged.fire_copy(peerId);
 					}
 				}
 			}
-			if (_preloading && _preloading->id() == id) {
-				_preloading = nullptr;
-				preloadFinished(id);
+			if (story->pinned()) {
+				if (const auto k = _saved.find(peerId); k != end(_saved)) {
+					const auto saved = &k->second;
+					if (saved->ids.list.remove(id)) {
+						if (saved->total > 0) {
+							--saved->total;
+						}
+						_savedChanged.fire_copy(peerId);
+					}
+				}
 			}
-			_owner->refreshStoryItemViews(id);
+			if (_preloading && _preloading->id() == fullId) {
+				_preloading = nullptr;
+				preloadFinished(fullId);
+			}
+			_owner->refreshStoryItemViews(fullId);
 			Assert(!_pollingSettings.contains(story.get()));
-			if (const auto j = _items.find(id.peer); j != end(_items)) {
-				const auto k = j->second.find(id.story);
+			if (const auto j = _items.find(peerId); j != end(_items)) {
+				const auto k = j->second.find(id);
 				if (k != end(j->second)) {
 					Assert(!k->second.lock());
 					j->second.erase(k);
@@ -754,7 +824,7 @@ void Stories::applyDeleted(FullStoryId id) {
 			if (i->second.empty()) {
 				_stories.erase(i);
 			}
-			_deletingStories.remove(id);
+			_deletingStories.remove(fullId);
 		}
 	}
 }
@@ -762,8 +832,8 @@ void Stories::applyDeleted(FullStoryId id) {
 void Stories::applyExpired(FullStoryId id) {
 	if (const auto maybeStory = lookup(id)) {
 		const auto story = *maybeStory;
-		if (!story->peer()->isSelf() && !story->pinned()) {
-			applyDeleted(id);
+		if (!hasArchive(story->peer()) && !story->pinned()) {
+			applyDeleted(story->peer(), id.story);
 			return;
 		}
 	}
@@ -1312,29 +1382,44 @@ void Stories::loadViewsSlice(
 	}).send();
 }
 
-const StoriesIds &Stories::archive() const {
-	return _archive;
+bool Stories::hasArchive(not_null<PeerData*> peer) const {
+	if (peer->isSelf()) {
+		return true;
+	} else if (const auto channel = peer->asChannel()) {
+		return channel->canEditStories();
+	}
+	return false;
 }
 
-rpl::producer<> Stories::archiveChanged() const {
+const StoriesIds &Stories::archive(PeerId peerId) const {
+	static const auto empty = StoriesIds();
+	const auto i = _archive.find(peerId);
+	return (i != end(_archive)) ? i->second.ids : empty;
+}
+
+rpl::producer<PeerId> Stories::archiveChanged() const {
 	return _archiveChanged.events();
 }
 
-int Stories::archiveCount() const {
-	return std::max(_archiveTotal, 0);
+int Stories::archiveCount(PeerId peerId) const {
+	const auto i = _archive.find(peerId);
+	return (i != end(_archive)) ? i->second.total : 0;
 }
 
-bool Stories::archiveCountKnown() const {
-	return _archiveTotal >= 0;
+bool Stories::archiveCountKnown(PeerId peerId) const {
+	const auto i = _archive.find(peerId);
+	return (i != end(_archive)) && (i->second.total >= 0);
 }
 
-bool Stories::archiveLoaded() const {
-	return _archiveLoaded;
+bool Stories::archiveLoaded(PeerId peerId) const {
+	const auto i = _archive.find(peerId);
+	return (i != end(_archive)) && i->second.loaded;
 }
 
-const StoriesIds *Stories::saved(PeerId peerId) const {
+const StoriesIds &Stories::saved(PeerId peerId) const {
+	static const auto empty = StoriesIds();
 	const auto i = _saved.find(peerId);
-	return (i != end(_saved)) ? &i->second.ids : nullptr;
+	return (i != end(_saved)) ? i->second.ids : empty;
 }
 
 rpl::producer<PeerId> Stories::savedChanged() const {
@@ -1356,44 +1441,53 @@ bool Stories::savedLoaded(PeerId peerId) const {
 	return (i != end(_saved)) && i->second.loaded;
 }
 
-void Stories::archiveLoadMore() {
-	if (_archiveRequestId || _archiveLoaded) {
+void Stories::archiveLoadMore(PeerId peerId) {
+	const auto peer = _owner->peer(peerId);
+	const auto archive = lookupArchive(peer);
+	if (!archive || archive->requestId || archive->loaded) {
 		return;
 	}
 	const auto api = &_owner->session().api();
-	_archiveRequestId = api->request(MTPstories_GetStoriesArchive(
-		MTP_inputPeerSelf(),
-		MTP_int(_archiveLastId),
-		MTP_int(_archiveLastId ? kArchivePerPage : kArchiveFirstPerPage)
+	archive->requestId = api->request(MTPstories_GetStoriesArchive(
+		peer->input,
+		MTP_int(archive->lastId),
+		MTP_int(archive->lastId ? kArchivePerPage : kArchiveFirstPerPage)
 	)).done([=](const MTPstories_Stories &result) {
-		_archiveRequestId = 0;
+		const auto archive = lookupArchive(peer);
+		if (!archive) {
+			return;
+		}
+		archive->requestId = 0;
 
 		const auto &data = result.data();
-		const auto self = _owner->session().user();
 		const auto now = base::unixtime::now();
-		_archiveTotal = data.vcount().v;
+		archive->total = data.vcount().v;
 		for (const auto &story : data.vstories().v) {
 			const auto id = story.match([&](const auto &id) {
 				return id.vid().v;
 			});
-			_archive.list.emplace(id);
-			_archiveLastId = id;
-			if (!parseAndApply(self, story, now)) {
-				_archive.list.remove(id);
-				if (_archiveTotal > 0) {
-					--_archiveTotal;
+			archive->ids.list.emplace(id);
+			archive->lastId = id;
+			if (!parseAndApply(peer, story, now)) {
+				archive->ids.list.remove(id);
+				if (archive->total > 0) {
+					--archive->total;
 				}
 			}
 		}
-		const auto ids = int(_archive.list.size());
-		_archiveLoaded = data.vstories().v.empty();
-		_archiveTotal = _archiveLoaded ? ids : std::max(_archiveTotal, ids);
-		_archiveChanged.fire({});
+		const auto ids = int(archive->ids.list.size());
+		archive->loaded = data.vstories().v.empty();
+		archive->total = archive->loaded ? ids : std::max(archive->total, ids);
+		_archiveChanged.fire_copy(peerId);
 	}).fail([=] {
-		_archiveRequestId = 0;
-		_archiveLoaded = true;
-		_archiveTotal = int(_archive.list.size());
-		_archiveChanged.fire({});
+		const auto archive = lookupArchive(peer);
+		if (!archive) {
+			return;
+		}
+		archive->requestId = 0;
+		archive->loaded = true;
+		archive->total = int(archive->ids.list.size());
+		_archiveChanged.fire_copy(peerId);
 	}).send();
 }
 
@@ -1457,7 +1551,7 @@ void Stories::deleteList(const std::vector<FullStoryId> &ids) {
 			MTP_vector<MTPint>(list)
 		)).done([=](const MTPVector<MTPint> &result) {
 			for (const auto &id : result.v) {
-				applyDeleted({ selfId, id.v });
+				applyDeleted(_owner->session().user(), id.v);
 			}
 		}).send();
 	}

Telegram/SourceFiles/data/data_stories.h

@@ -182,14 +182,16 @@ public:
 		QString offset,
 		Fn<void(StoryViews)> done);
 
-	[[nodiscard]] const StoriesIds &archive() const;
-	[[nodiscard]] rpl::producer<> archiveChanged() const;
-	[[nodiscard]] int archiveCount() const;
-	[[nodiscard]] bool archiveCountKnown() const;
-	[[nodiscard]] bool archiveLoaded() const;
-	void archiveLoadMore();
+	[[nodiscard]] bool hasArchive(not_null<PeerData*> peer) const;
 
-	[[nodiscard]] const StoriesIds *saved(PeerId peerId) const;
+	[[nodiscard]] const StoriesIds &archive(PeerId peerId) const;
+	[[nodiscard]] rpl::producer<PeerId> archiveChanged() const;
+	[[nodiscard]] int archiveCount(PeerId peerId) const;
+	[[nodiscard]] bool archiveCountKnown(PeerId peerId) const;
+	[[nodiscard]] bool archiveLoaded(PeerId peerId) const;
+	void archiveLoadMore(PeerId peerId);
+
+	[[nodiscard]] const StoriesIds &saved(PeerId peerId) const;
 	[[nodiscard]] rpl::producer<PeerId> savedChanged() const;
 	[[nodiscard]] int savedCount(PeerId peerId) const;
 	[[nodiscard]] bool savedCountKnown(PeerId peerId) const;
@@ -243,13 +245,14 @@ public:
 	void sendReaction(FullStoryId id, Data::ReactionId reaction);
 
 private:
-	struct Saved {
+	struct Set {
 		StoriesIds ids;
 		int total = -1;
 		StoryId lastId = 0;
 		bool loaded = false;
 		mtpRequestId requestId = 0;
 	};
+
 	struct PollingSettings {
 		int chat = 0;
 		int viewer = 0;
@@ -271,7 +274,10 @@ private:
 	void finalizeResolve(FullStoryId id);
 	void updatePeerStoriesState(not_null<PeerData*> peer);
 
-	void applyDeleted(FullStoryId id);
+	[[nodiscard]] Set *lookupArchive(not_null<PeerData*> peer);
+	void clearArchive(not_null<PeerData*> peer);
+
+	void applyDeleted(not_null<PeerData*> peer, StoryId id);
 	void applyExpired(FullStoryId id);
 	void applyRemovedFromActive(FullStoryId id);
 	void applyDeletedFromSources(PeerId id, StorySourcesList list);
@@ -319,6 +325,7 @@ private:
 		PeerId,
 		base::flat_map<StoryId, std::weak_ptr<HistoryItem>>> _items;
 	base::flat_multi_map<TimeId, FullStoryId> _expiring;
+	base::flat_set<PeerId> _peersWithDeletedStories;
 	base::flat_set<FullStoryId> _deleted;
 	base::Timer _expireTimer;
 	bool _expireSchedulePosted = false;
@@ -346,14 +353,10 @@ private:
 	rpl::event_stream<PeerId> _sourceChanged;
 	rpl::event_stream<PeerId> _itemsChanged;
 
-	StoriesIds _archive;
-	int _archiveTotal = -1;
-	StoryId _archiveLastId = 0;
-	bool _archiveLoaded = false;
-	rpl::event_stream<> _archiveChanged;
-	mtpRequestId _archiveRequestId = 0;
+	std::unordered_map<PeerId, Set> _archive;
+	rpl::event_stream<PeerId> _archiveChanged;
 
-	std::unordered_map<PeerId, Saved> _saved;
+	std::unordered_map<PeerId, Set> _saved;
 	rpl::event_stream<PeerId> _savedChanged;
 
 	base::flat_set<PeerId> _markReadPending;
@@ -392,6 +395,8 @@ private:
 
 	rpl::variable<StealthMode> _stealthMode;
 
+	rpl::lifetime _lifetime;
+
 };
 
 } // namespace Data

Telegram/SourceFiles/data/data_stories_ids.cpp

@@ -32,19 +32,19 @@ rpl::producer<StoriesIdsSlice> SavedStoriesIds(
 		const auto push = [=] {
 			state->scheduled = false;
 
+			const auto peerId = peer->id;
 			const auto stories = &peer->owner().stories();
-			if (!stories->savedCountKnown(peer->id)) {
+			if (!stories->savedCountKnown(peerId)) {
 				return;
 			}
 
-			const auto saved = stories->saved(peer->id);
-			Assert(saved != nullptr);
-			const auto count = stories->savedCount(peer->id);
-			const auto around = saved->list.lower_bound(aroundId);
-			const auto hasBefore = int(around - begin(saved->list));
-			const auto hasAfter = int(end(saved->list) - around);
+			const auto &saved = stories->saved(peerId);
+			const auto count = stories->savedCount(peerId);
+			const auto around = saved.list.lower_bound(aroundId);
+			const auto hasBefore = int(around - begin(saved.list));
+			const auto hasAfter = int(end(saved.list) - around);
 			if (hasAfter < limit) {
-				stories->savedLoadMore(peer->id);
+				stories->savedLoadMore(peerId);
 			}
 			const auto takeBefore = std::min(hasBefore, limit);
 			const auto takeAfter = std::min(hasAfter, limit);
@@ -72,14 +72,15 @@ rpl::producer<StoriesIdsSlice> SavedStoriesIds(
 			});
 		};
 
+		const auto peerId = peer->id;
 		const auto stories = &peer->owner().stories();
 		stories->savedChanged(
 		) | rpl::filter(
-			rpl::mappers::_1 == peer->id
+			rpl::mappers::_1 == peerId
 		) | rpl::start_with_next(schedule, lifetime);
 
-		if (!stories->savedCountKnown(peer->id)) {
-			stories->savedLoadMore(peer->id);
+		if (!stories->savedCountKnown(peerId)) {
+			stories->savedLoadMore(peerId);
 		}
 
 		push();
@@ -89,7 +90,7 @@ rpl::producer<StoriesIdsSlice> SavedStoriesIds(
 }
 
 rpl::producer<StoriesIdsSlice> ArchiveStoriesIds(
-		not_null<Main::Session*> session,
+		not_null<PeerData*> peer,
 		StoryId aroundId,
 		int limit) {
 	return [=](auto consumer) {
@@ -105,18 +106,19 @@ rpl::producer<StoriesIdsSlice> ArchiveStoriesIds(
 		const auto push = [=] {
 			state->scheduled = false;
 
-			const auto stories = &session->data().stories();
-			if (!stories->archiveCountKnown()) {
+			const auto peerId = peer->id;
+			const auto stories = &peer->owner().stories();
+			if (!stories->archiveCountKnown(peerId)) {
 				return;
 			}
 
-			const auto &archive = stories->archive();
-			const auto count = stories->archiveCount();
+			const auto &archive = stories->archive(peerId);
+			const auto count = stories->archiveCount(peerId);
 			const auto i = archive.list.lower_bound(aroundId);
 			const auto hasBefore = int(i - begin(archive.list));
 			const auto hasAfter = int(end(archive.list) - i);
 			if (hasAfter < limit) {
-				stories->archiveLoadMore();
+				stories->archiveLoadMore(peerId);
 			}
 			const auto takeBefore = std::min(hasBefore, limit);
 			const auto takeAfter = std::min(hasAfter, limit);
@@ -144,12 +146,13 @@ rpl::producer<StoriesIdsSlice> ArchiveStoriesIds(
 			});
 		};
 
-		const auto stories = &session->data().stories();
+		const auto peerId = peer->id;
+		const auto stories = &peer->owner().stories();
 		stories->archiveChanged(
 		) | rpl::start_with_next(schedule, lifetime);
 
-		if (!stories->archiveCountKnown()) {
-			stories->archiveLoadMore();
+		if (!stories->archiveCountKnown(peerId)) {
+			stories->archiveLoadMore(peerId);
 		}
 
 		push();

Telegram/SourceFiles/data/data_stories_ids.h

@@ -25,7 +25,7 @@ using StoriesIdsSlice = AbstractSparseIds<base::flat_set<StoryId>>;
 	int limit);
 
 [[nodiscard]] rpl::producer<StoriesIdsSlice> ArchiveStoriesIds(
-	not_null<Main::Session*> session,
+	not_null<PeerData*> peer,
 	StoryId aroundId,
 	int limit);
 

Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp

@@ -45,6 +45,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_group_call.h" // GroupCall::input.
 #include "data/data_folder.h"
 #include "data/data_session.h"
+#include "data/data_stories.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_user.h"
@@ -754,6 +755,14 @@ void TopBarWidget::setActiveChat(
 				updateControlsVisibility();
 				updateControlsGeometry();
 			}, _activeChatLifetime);
+
+			if (const auto channel = peer->asChannel()) {
+				if (channel->canEditStories()
+					&& !channel->owner().stories().archiveCountKnown(
+						channel->id)) {
+					channel->owner().stories().archiveLoadMore(channel->id);
+				}
+			}
 		}
 
 		if (const auto history = _activeChat.key.history()) {

Telegram/SourceFiles/info/media/info_media_buttons.h

@@ -138,12 +138,15 @@ inline auto AddStoriesButton(
 	) | rpl::map([](const Data::StoriesIdsSlice &slice) {
 		return slice.fullCount().value_or(0);
 	}));
+	const auto phrase = peer->isChannel() ? (+[](int count) {
+		return tr::lng_profile_posts(tr::now, lt_count, count);
+	}) : (+[](int count) {
+		return tr::lng_profile_saved_stories(tr::now, lt_count, count);
+	});
 	auto result = AddCountedButton(
 		parent,
 		std::move(count),
-		[](int count) {
-			return tr::lng_profile_saved_stories(tr::now, lt_count, count);
-		},
+		phrase,
 		tracker)->entity();
 	result->addClickHandler([=] {
 		navigation->showSection(Info::Stories::Make(peer));

Telegram/SourceFiles/info/stories/info_stories_inner_widget.cpp

@@ -103,11 +103,11 @@ void InnerWidget::setupTop() {
 	const auto key = _controller->key();
 	const auto peer = key.storiesPeer();
 	if (peer
-		&& peer->isSelf()
 		&& key.storiesTab() == Stories::Tab::Saved
+		&& peer->owner().stories().hasArchive(peer)
 		&& _isStackBottom) {
 		createButtons();
-	} else if (key.storiesTab() == Stories::Tab::Archive) {
+	} else if (peer && key.storiesTab() == Stories::Tab::Archive) {
 		createAboutArchive();
 	} else {
 		_top.destroy();
@@ -120,8 +120,9 @@ void InnerWidget::createButtons() {
 	_top->show();
 	_topHeight = _top->heightValue();
 
-	const auto stories = &_controller->session().data().stories();
-	const auto self = _controller->session().user();
+	const auto key = _controller->key();
+	const auto peer = key.storiesPeer();
+	const auto stories = &peer->owner().stories();
 	const auto archive = ::Settings::AddButton(
 		_top,
 		tr::lng_stories_archive_button(),
@@ -133,8 +134,13 @@ void InnerWidget::createButtons() {
 	});
 	auto count = rpl::single(
 		rpl::empty
-	) | rpl::then(stories->archiveChanged()) | rpl::map([=] {
-		const auto value = stories->archiveCount();
+	) | rpl::then(
+		stories->archiveChanged(
+		) | rpl::filter(
+			rpl::mappers::_1 == peer->id
+		) | rpl::to_empty
+	) | rpl::map([=] {
+		const auto value = stories->archiveCount(peer->id);
 		return (value > 0) ? QString::number(value) : QString();
 	});
 	::Settings::CreateRightLabel(
@@ -157,7 +163,7 @@ void InnerWidget::createButtons() {
 
 	using namespace Dialogs::Stories;
 	auto last = LastForPeer(
-		self
+		peer
 	) | rpl::map([=](Content &&content) {
 		for (auto &element : content.elements) {
 			element.unreadCount = 0;
@@ -190,7 +196,7 @@ void InnerWidget::createButtons() {
 	}, thumbs->lifetime());
 	thumbs->setAttribute(Qt::WA_TransparentForMouseEvents);
 	recent->addClickHandler([=] {
-		_controller->parentController()->openPeerStories(self->id);
+		_controller->parentController()->openPeerStories(peer->id);
 	});
 	object_ptr<Profile::FloatingIcon>(
 		recent,
@@ -219,11 +225,14 @@ void InnerWidget::createAboutArchive() {
 	_top->show();
 	_topHeight = _top->heightValue();
 
+	const auto peer = _controller->key().storiesPeer();
 	_top->add(object_ptr<Ui::DividerLabel>(
 		_top,
 		object_ptr<Ui::FlatLabel>(
 			_top,
-			tr::lng_stories_archive_about(),
+			(peer->isChannel()
+				? tr::lng_stories_channel_archive_about
+				: tr::lng_stories_archive_about)(),
 			st::infoStoriesAboutArchive),
 		st::infoStoriesAboutArchivePadding));
 

Telegram/SourceFiles/info/stories/info_stories_provider.cpp

@@ -177,7 +177,7 @@ void Provider::refreshViewer() {
 	const auto session = &_peer->session();
 	auto ids = (_tab == Tab::Saved)
 		? Data::SavedStoriesIds(_peer, idForViewer, _idsLimit)
-		: Data::ArchiveStoriesIds(session, idForViewer, _idsLimit);
+		: Data::ArchiveStoriesIds(_peer, idForViewer, _idsLimit);
 	std::move(
 		ids
 	) | rpl::start_with_next([=](Data::StoriesIdsSlice &&slice) {

Telegram/SourceFiles/media/stories/media_stories_controller.cpp

@@ -654,41 +654,38 @@ void Controller::rebuildFromContext(
 		hideSiblings();
 	}, [&](StoriesContextSaved) {
 		if (stories.savedCountKnown(peerId)) {
-			if (const auto saved = stories.saved(peerId)) {
-				const auto &ids = saved->list;
-				const auto i = ids.find(id);
-				if (i != end(ids)) {
-					list = StoriesList{
-						.peer = peer,
-						.ids = *saved,
-						.total = stories.savedCount(peerId),
-					};
-					_index = int(i - begin(ids));
-					if (ids.size() < list->total
-						&& (end(ids) - i) < kPreloadStoriesCount) {
-						stories.savedLoadMore(peerId);
-					}
+			const auto &saved = stories.saved(peerId);
+			const auto &ids = saved.list;
+			const auto i = ids.find(id);
+			if (i != end(ids)) {
+				list = StoriesList{
+					.peer = peer,
+					.ids = saved,
+					.total = stories.savedCount(peerId),
+				};
+				_index = int(i - begin(ids));
+				if (ids.size() < list->total
+					&& (end(ids) - i) < kPreloadStoriesCount) {
+					stories.savedLoadMore(peerId);
 				}
 			}
 		}
 		hideSiblings();
 	}, [&](StoriesContextArchive) {
-		Expects(peer->isSelf());
-
-		if (stories.archiveCountKnown()) {
-			const auto &archive = stories.archive();
+		if (stories.archiveCountKnown(peerId)) {
+			const auto &archive = stories.archive(peerId);
 			const auto &ids = archive.list;
 			const auto i = ids.find(id);
 			if (i != end(ids)) {
 				list = StoriesList{
 					.peer = peer,
 					.ids = archive,
-					.total = stories.archiveCount(),
+					.total = stories.archiveCount(peerId),
 				};
 				_index = int(i - begin(ids));
 				if (ids.size() < list->total
 					&& (end(ids) - i) < kPreloadStoriesCount) {
-					stories.archiveLoadMore();
+					stories.archiveLoadMore(peerId);
 				}
 			}
 		}
@@ -1390,9 +1387,7 @@ void Controller::loadMoreToList() {
 	v::match(_context.data, [&](StoriesContextSaved) {
 		stories.savedLoadMore(peerId);
 	}, [&](StoriesContextArchive) {
-		Expects(peer->isSelf());
-
-		stories.archiveLoadMore();
+		stories.archiveLoadMore(peerId);
 	}, [](const auto &) {
 	});
 }

Telegram/SourceFiles/window/window_main_menu.cpp

@@ -859,16 +859,19 @@ void MainMenu::setupMenu() {
 					tr::lng_menu_my_stories(),
 					st::mainMenuButton,
 					IconDescriptor{ &st::menuIconStoriesSavedSection })));
+		const auto selfId = controller->session().userPeerId();
 		const auto stories = &controller->session().data().stories();
-		if (stories->archiveCount() > 0) {
+		if (stories->archiveCount(selfId) > 0) {
 			wrap->toggle(true, anim::type::instant);
 		} else {
 			wrap->toggle(false, anim::type::instant);
-			if (!stories->archiveCountKnown()) {
-				stories->archiveLoadMore();
+			if (!stories->archiveCountKnown(selfId)) {
+				stories->archiveLoadMore(selfId);
 				wrap->toggleOn(stories->archiveChanged(
+				) | rpl::filter(
+					rpl::mappers::_1 == selfId
 				) | rpl::map([=] {
-					return stories->archiveCount() > 0;
+					return stories->archiveCount(selfId) > 0;
 				}) | rpl::filter(rpl::mappers::_1) | rpl::take(1));
 			}
 		}

Telegram/SourceFiles/window/window_peer_menu.cpp

@@ -66,6 +66,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/info_memento.h"
 #include "info/info_controller.h"
 #include "info/profile/info_profile_values.h"
+#include "info/stories/info_stories_widget.h"
 #include "data/notify/data_notify_settings.h"
 #include "data/data_changes.h"
 #include "data/data_session.h"
@@ -249,6 +250,7 @@ private:
 	void addToggleMuteSubmenu(bool addSeparator);
 	void addSupportInfo();
 	void addInfo();
+	void addStoryArchive();
 	void addNewWindow();
 	void addToggleFolder();
 	void addToggleUnreadMark();
@@ -548,6 +550,22 @@ void Filler::addInfo() {
 	}, _peer->isUser() ? &st::menuIconProfile : &st::menuIconInfo);
 }
 
+void Filler::addStoryArchive() {
+	const auto channel = _peer ? _peer->asChannel() : nullptr;
+	if (!channel || !channel->canEditStories()) {
+		return;
+	}
+	const auto controller = _controller;
+	const auto weak = base::make_weak(_thread);
+	_addAction(tr::lng_stories_archive_button(tr::now), [=] {
+		if (const auto strong = weak.get()) {
+			controller->showSection(Info::Stories::Make(
+				channel,
+				Info::Stories::Tab::Archive));
+		}
+	}, &st::menuIconStoriesArchiveSection);
+}
+
 void Filler::addToggleFolder() {
 	const auto controller = _controller;
 	const auto history = _request.key.history();
@@ -1196,6 +1214,7 @@ void Filler::fillContextMenuActions() {
 void Filler::fillHistoryActions() {
 	addToggleMuteSubmenu(true);
 	addInfo();
+	addStoryArchive();
 	addSupportInfo();
 	addManageChat();
 	addCreatePoll();