Add td_api::unpinAllChatMessages.

GitOrigin-RevId: ad5aa1cf7ea0f1ee770900f5f58409436029b9a7

td/generate/scheme/td_api.tl

@@ -4126,6 +4126,9 @@ pinChatMessage chat_id:int53 message_id:int53 disable_notification:Bool = Ok;
 //@description Removes a pinned message from a chat; requires can_pin_messages rights in the group or can_edit_messages rights in the channel @chat_id Identifier of the chat @message_id Identifier of the removed pinned message
 unpinChatMessage chat_id:int53 message_id:int53 = Ok;
 
+//@description Removes all pinned messages from a chat; requires can_pin_messages rights in the group or can_edit_messages rights in the channel @chat_id Identifier of the chat
+unpinAllChatMessages chat_id:int53 = Ok;
+
 
 //@description Adds current user as a new member to a chat. Private and secret chats can't be joined using this method @chat_id Chat identifier
 joinChat chat_id:int53 = Ok;

td/generate/scheme/telegram_api.tl

@@ -1413,6 +1413,7 @@ messages.getReplies#24b581ba peer:InputPeer msg_id:int offset_id:int offset_date
 messages.getDiscussionMessage#446972fd peer:InputPeer msg_id:int = messages.DiscussionMessage;
 messages.readDiscussion#f731a9f4 peer:InputPeer msg_id:int read_max_id:int = Bool;
 messages.requestProximityNotification#b12ba31c flags:# peer:InputPeer msg_id:int max_distance:flags.0?int = Bool;
+messages.unpinAllMessages#f025bc8b peer:InputPeer = messages.AffectedHistory;
 
 updates.getState#edd4882a = updates.State;
 updates.getDifference#25939651 flags:# pts:int pts_total_limit:flags.0?int date:int qts:int = updates.Difference;

td/telegram/MessagesManager.cpp

@@ -615,7 +615,7 @@ class UpdateDialogPinnedMessageQuery : public Td::ResultHandler {
     dialog_id_ = dialog_id;
     auto input_peer = td->messages_manager_->get_input_peer(dialog_id, AccessRights::Write);
     if (input_peer == nullptr) {
-      LOG(INFO) << "Can't update pinned message because have no write access to " << dialog_id;
+      LOG(INFO) << "Can't update pinned message in " << dialog_id;
       return on_error(0, Status::Error(500, "Can't update pinned message"));
     }
 
@@ -649,6 +649,65 @@ class UpdateDialogPinnedMessageQuery : public Td::ResultHandler {
   }
 };
 
+class UnpinAllMessagesQuery : public Td::ResultHandler {
+  Promise<Unit> promise_;
+  DialogId dialog_id_;
+
+  void send_request() {
+    auto input_peer = td->messages_manager_->get_input_peer(dialog_id_, AccessRights::Write);
+    if (input_peer == nullptr) {
+      LOG(INFO) << "Can't unpin all messages in " << dialog_id_;
+      return on_error(0, Status::Error(500, "Can't unpin all messages"));
+    }
+
+    send_query(G()->net_query_creator().create(telegram_api::messages_unpinAllMessages(std::move(input_peer))));
+  }
+
+ public:
+  explicit UnpinAllMessagesQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
+  }
+
+  void send(DialogId dialog_id) {
+    dialog_id_ = dialog_id;
+
+    send_request();
+  }
+
+  void on_result(uint64 id, BufferSlice packet) override {
+    auto result_ptr = fetch_result<telegram_api::messages_unpinAllMessages>(packet);
+    if (result_ptr.is_error()) {
+      return on_error(id, result_ptr.move_as_error());
+    }
+
+    auto affected_history = result_ptr.move_as_ok();
+    CHECK(affected_history->get_id() == telegram_api::messages_affectedHistory::ID);
+
+    if (affected_history->pts_count_ > 0) {
+      affected_history->pts_count_ = 0;  // force receiving real updates from the server
+      if (dialog_id_.get_type() == DialogType::Channel) {
+        td->messages_manager_->add_pending_channel_update(dialog_id_, make_tl_object<dummyUpdate>(),
+                                                          affected_history->pts_, affected_history->pts_count_,
+                                                          "unpin all messages");
+      } else {
+        td->messages_manager_->add_pending_update(make_tl_object<dummyUpdate>(), affected_history->pts_,
+                                                  affected_history->pts_count_, false, "unpin all messages");
+      }
+    }
+
+    if (affected_history->offset_ > 0) {
+      send_request();
+      return;
+    }
+
+    promise_.set_value(Unit());
+  }
+
+  void on_error(uint64 id, Status status) override {
+    td->messages_manager_->on_get_dialog_error(dialog_id_, status, "UnpinAllMessagesQuery");
+    promise_.set_error(std::move(status));
+  }
+};
+
 class ExportChannelMessageLinkQuery : public Td::ResultHandler {
   Promise<Unit> promise_;
   ChannelId channel_id_;
@@ -29766,23 +29825,16 @@ void MessagesManager::set_dialog_description(DialogId dialog_id, const string &d
   }
 }
 
-void MessagesManager::pin_dialog_message(DialogId dialog_id, MessageId message_id, bool disable_notification,
+Status MessagesManager::can_pin_messages(DialogId dialog_id) const {
-                                         bool is_unpin, Promise<Unit> &&promise) {
-  auto d = get_dialog_force(dialog_id);
-  if (d == nullptr) {
-    return promise.set_error(Status::Error(6, "Chat not found"));
-  }
-  Slice action = is_unpin ? Slice("unpin") : Slice("pin");
   switch (dialog_id.get_type()) {
     case DialogType::User:
-      // OK
       break;
     case DialogType::Chat: {
       auto chat_id = dialog_id.get_chat_id();
       auto status = td_->contacts_manager_->get_chat_permissions(chat_id);
       if (!status.can_pin_messages() ||
           (td_->auth_manager_->is_bot() && !td_->contacts_manager_->is_appointed_chat_administrator(chat_id))) {
-        return promise.set_error(Status::Error(3, PSLICE() << "Not enough rights to " << action << " a message"));
+        return Status::Error(400, "Not enough rights to manage pinned messages in the chat");
       }
       break;
     }
@@ -29790,16 +29842,30 @@ void MessagesManager::pin_dialog_message(DialogId dialog_id, MessageId message_i
       auto status = td_->contacts_manager_->get_channel_permissions(dialog_id.get_channel_id());
       bool can_pin = is_broadcast_channel(dialog_id) ? status.can_edit_messages() : status.can_pin_messages();
       if (!can_pin) {
-        return promise.set_error(Status::Error(6, PSLICE() << "Not enough rights to " << action << " a message"));
+        return Status::Error(400, "Not enough rights to manage pinned messages in the chat");
       }
       break;
     }
     case DialogType::SecretChat:
-      return promise.set_error(Status::Error(3, PSLICE() << "Can't " << action << " messages in secret chats"));
+      return Status::Error(400, "Secret chats can't have pinned messages");
     case DialogType::None:
     default:
       UNREACHABLE();
   }
+  if (!have_input_peer(dialog_id, AccessRights::Write)) {
+    return Status::Error(400, "Not enough rights");
+  }
+
+  return Status::OK();
+}
+
+void MessagesManager::pin_dialog_message(DialogId dialog_id, MessageId message_id, bool disable_notification,
+                                         bool is_unpin, Promise<Unit> &&promise) {
+  auto d = get_dialog_force(dialog_id);
+  if (d == nullptr) {
+    return promise.set_error(Status::Error(400, "Chat not found"));
+  }
+  TRY_STATUS_PROMISE(promise, can_pin_messages(dialog_id));
 
   if (!have_message_force({dialog_id, message_id}, "pin_dialog_message")) {
     return promise.set_error(Status::Error(6, "Message not found"));
@@ -29816,6 +29882,67 @@ void MessagesManager::pin_dialog_message(DialogId dialog_id, MessageId message_i
       ->send(dialog_id, message_id, is_unpin, disable_notification);
 }
 
+void MessagesManager::unpin_all_dialog_messages(DialogId dialog_id, Promise<Unit> &&promise) {
+  auto d = get_dialog_force(dialog_id);
+  if (d == nullptr) {
+    return promise.set_error(Status::Error(6, "Chat not found"));
+  }
+  TRY_STATUS_PROMISE(promise, can_pin_messages(dialog_id));
+
+  vector<MessageId> message_ids;
+  find_messages(d->messages.get(), message_ids, [](const Message *m) { return m->is_pinned; });
+
+  vector<int64> deleted_message_ids;
+  for (auto message_id : message_ids) {
+    auto m = get_message(d, message_id);
+    CHECK(m != nullptr);
+
+    m->is_pinned = false;
+    send_closure(G()->td(), &Td::send_update,
+                 make_tl_object<td_api::updateMessageIsPinned>(d->dialog_id.get(), m->message_id.get(), m->is_pinned));
+    on_message_changed(d, m, true, "unpin_all_dialog_messages");
+  }
+
+  set_dialog_last_pinned_message_id(d, MessageId());
+  if (d->message_count_by_index[message_search_filter_index(MessageSearchFilter::Pinned)] != 0) {
+    d->message_count_by_index[message_search_filter_index(MessageSearchFilter::Pinned)] = 0;
+    on_dialog_updated(dialog_id, "unpin_all_dialog_messages");
+  }
+
+  unpin_all_dialog_messages_on_server(dialog_id, 0, std::move(promise));
+}
+
+class MessagesManager::UnpinAllDialogMessagesOnServerLogEvent {
+ public:
+  DialogId dialog_id_;
+
+  template <class StorerT>
+  void store(StorerT &storer) const {
+    td::store(dialog_id_, storer);
+  }
+
+  template <class ParserT>
+  void parse(ParserT &parser) {
+    td::parse(dialog_id_, parser);
+  }
+};
+
+uint64 MessagesManager::save_unpin_all_dialog_messages_on_server_log_event(DialogId dialog_id) {
+  UnpinAllDialogMessagesOnServerLogEvent log_event{dialog_id};
+  return binlog_add(G()->td_db()->get_binlog(), LogEvent::HandlerType::UnpinAllDialogMessagesOnServer,
+                    get_log_event_storer(log_event));
+}
+
+void MessagesManager::unpin_all_dialog_messages_on_server(DialogId dialog_id, uint64 log_event_id,
+                                                          Promise<Unit> &&promise) {
+  if (log_event_id == 0 && G()->parameters().use_message_db) {
+    log_event_id = save_unpin_all_dialog_messages_on_server_log_event(dialog_id);
+  }
+
+  td_->create_handler<UnpinAllMessagesQuery>(get_erase_log_event_promise(log_event_id, std::move(promise)))
+      ->send(dialog_id);
+}
+
 void MessagesManager::add_dialog_participant(DialogId dialog_id, UserId user_id, int32 forward_limit,
                                              Promise<Unit> &&promise) {
   LOG(INFO) << "Receive AddChatParticipant request to add " << user_id << " to " << dialog_id;
@@ -35514,6 +35641,18 @@ void MessagesManager::on_binlog_events(vector<BinlogEvent> &&events) {
         send_get_dialog_query(dialog_id, Promise<Unit>(), event.id_);
         break;
       }
+      case LogEvent::HandlerType::UnpinAllDialogMessagesOnServer: {
+        if (!G()->parameters().use_message_db) {
+          binlog_erase(G()->td_db()->get_binlog(), event.id_);
+          break;
+        }
+
+        UnpinAllDialogMessagesOnServerLogEvent log_event;
+        log_event_parse(log_event, event.data_).ensure();
+
+        unpin_all_dialog_messages_on_server(log_event.dialog_id_, event.id_, Auto());
+        break;
+      }
       case LogEvent::HandlerType::GetChannelDifference: {
         if (G()->ignore_backgrond_updates()) {
           binlog_erase(G()->td_db()->get_binlog(), event.id_);

td/telegram/MessagesManager.h

@@ -508,6 +508,8 @@ class MessagesManager : public Actor {
   void pin_dialog_message(DialogId dialog_id, MessageId message_id, bool disable_notification, bool is_unpin,
                           Promise<Unit> &&promise);
 
+  void unpin_all_dialog_messages(DialogId dialog_id, Promise<Unit> &&promise);
+
   void add_dialog_participant(DialogId dialog_id, UserId user_id, int32 forward_limit, Promise<Unit> &&promise);
 
   void add_dialog_participants(DialogId dialog_id, const vector<UserId> &user_ids, Promise<Unit> &&promise);
@@ -1647,6 +1649,7 @@ class MessagesManager : public Actor {
   class ToggleDialogIsBlockedOnServerLogEvent;
   class ToggleDialogIsMarkedAsUnreadOnServerLogEvent;
   class ToggleDialogIsPinnedOnServerLogEvent;
+  class UnpinAllDialogMessagesOnServerLogEvent;
   class UpdateDialogNotificationSettingsOnServerLogEvent;
   class UpdateScopeNotificationSettingsOnServerLogEvent;
 
@@ -1785,6 +1788,8 @@ class MessagesManager : public Actor {
 
   bool can_report_dialog(DialogId dialog_id) const;
 
+  Status can_pin_messages(DialogId dialog_id) const;
+
   void cancel_edit_message_media(DialogId dialog_id, Message *m, Slice error_message);
 
   void on_message_media_edited(DialogId dialog_id, MessageId message_id, FileId file_id, FileId thumbnail_file_id,
@@ -1928,6 +1933,8 @@ class MessagesManager : public Actor {
 
   void read_all_dialog_mentions_on_server(DialogId dialog_id, uint64 log_event_id, Promise<Unit> &&promise);
 
+  void unpin_all_dialog_messages_on_server(DialogId dialog_id, uint64 log_event_id, Promise<Unit> &&promise);
+
   static MessageId find_message_by_date(const Message *m, int32 date);
 
   static void find_messages(const Message *m, vector<MessageId> &message_ids,
@@ -2922,6 +2929,8 @@ class MessagesManager : public Actor {
   uint64 save_forward_messages_log_event(DialogId to_dialog_id, DialogId from_dialog_id,
                                          const vector<Message *> &messages, const vector<MessageId> &message_ids);
 
+  uint64 save_unpin_all_dialog_messages_on_server_log_event(DialogId dialog_id);
+
   void suffix_load_loop(Dialog *d);
   void suffix_load_update_first_message_id(Dialog *d);
   void suffix_load_query_ready(DialogId dialog_id);

td/telegram/Td.cpp

@@ -6168,6 +6168,11 @@ void Td::on_request(uint64 id, const td_api::unpinChatMessage &request) {
                                         std::move(promise));
 }
 
+void Td::on_request(uint64 id, const td_api::unpinAllChatMessages &request) {
+  CREATE_OK_REQUEST_PROMISE();
+  messages_manager_->unpin_all_dialog_messages(DialogId(request.chat_id_), std::move(promise));
+}
+
 void Td::on_request(uint64 id, const td_api::joinChat &request) {
   CHECK_IS_USER();
   CREATE_OK_REQUEST_PROMISE();

td/telegram/Td.h

@@ -741,6 +741,8 @@ class Td final : public NetQueryCallback {
 
   void on_request(uint64 id, const td_api::unpinChatMessage &request);
 
+  void on_request(uint64 id, const td_api::unpinAllChatMessages &request);
+
   void on_request(uint64 id, const td_api::joinChat &request);
 
   void on_request(uint64 id, const td_api::leaveChat &request);

td/telegram/TdDb.cpp

@@ -115,6 +115,7 @@ Status init_binlog(Binlog &binlog, string path, BinlogKeyValue<Binlog> &binlog_p
       case LogEvent::HandlerType::ToggleDialogIsBlockedOnServer:
       case LogEvent::HandlerType::ReadMessageThreadHistoryOnServer:
       case LogEvent::HandlerType::BlockMessageSenderFromRepliesOnServer:
+      case LogEvent::HandlerType::UnpinAllDialogMessagesOnServer:
         events.to_messages_manager.push_back(event.clone());
         break;
       case LogEvent::HandlerType::AddMessagePushNotification:

td/telegram/cli.cpp

@@ -3977,6 +3977,9 @@ class CliClient final : public Actor {
 
       std::tie(chat_id, message_id) = split(args);
       send_request(td_api::make_object<td_api::unpinChatMessage>(as_chat_id(chat_id), as_message_id(message_id)));
+    } else if (op == "uacm") {
+      string chat_id = args;
+      send_request(td_api::make_object<td_api::unpinAllChatMessages>(as_chat_id(chat_id)));
     } else if (op == "grib") {
       send_request(td_api::make_object<td_api::getRecentInlineBots>());
     } else if (op == "spc" || op == "su" || op == "sch") {

td/telegram/logevent/LogEvent.h

@@ -99,6 +99,7 @@ class LogEvent {
     ToggleDialogIsBlockedOnServer = 0x118,
     ReadMessageThreadHistoryOnServer = 0x119,
     BlockMessageSenderFromRepliesOnServer = 0x120,
+    UnpinAllDialogMessagesOnServer = 0x121,
     GetChannelDifference = 0x140,
     AddMessagePushNotification = 0x200,
     EditMessagePushNotification = 0x201,