Add custom deleteMessages implementation

README.md

@@ -54,17 +54,6 @@ Get the member list of a supergroup or channel
 
 ###### Returns `ChatMember`
 
-##### Method `deleteMessages`
-Delete all the messages with message_id in range between `start` and `end`.  
-The `start` parameter MUST be less than the `end` parameter  
-Both `start` and `end` must be positive non zero numbers  
-The method will always return `true` as a result, even if the messages cannot be deleted  
-This method does not work on private chat or normal groups
-It is not suggested to delete more than 200 messages per call
-
-**NOTE**  
-The maximum number of messages to be deleted in a single batch is determined by the `max-batch-operations` parameter and is 10000 by default
-
 ###### Parameters
 - `chat_id` Chat id
 - `start` First message id to delete
@@ -122,6 +111,17 @@ _For Docker containers, `$TELEGRAM_VERBOSITY` can be set._
 ##### Method `getChat`
 The command `getChat` will also try to resolve the username online, if it can't be found locally
 
+##### Method `deleteMessages`
+The command `deleteMessages` can also delete all the messages with message_id in range between `start` and `end`.  
+The `start` parameter MUST be less than the `end` parameter  
+Both `start` and `end` must be positive non-zero numbers  
+The method will always return `true` as a result, even if the messages cannot be deleted  
+This method does not work on private chat or normal groups
+It is not suggested to delete more than 200 messages per call
+
+**NOTE**  
+The maximum number of messages to be deleted in a single batch is determined by the `max-batch-operations` parameter and is 10000 by default
+
 ##### Object `Message`
 The `Message` object now has two new fields:
 - `views`: how many views has the message (usually the views are shown only for channel messages)

tdlight-api-openapi.yaml

@@ -544,6 +544,115 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/Error'
+  /deleteMessages:
+    post:
+      tags:
+        - modified
+      description: |-
+        Use this method to delete multiple messages simultaneously.
+        This method can delete a set of message ids, or a range of message ids.
+        
+        If you specify "message_ids", this method tries to delete the specified set of ids:
+          If some of the specified messages can't be found, they are skipped.
+          Returns True on success.
+
+        If you specify "start" and "end", this method deletes all the messages with message_id in range between start and end:
+          The start parameter MUST be less than the end parameter
+          Both start and end must be positive non zero numbers
+          The method will always return true as a result, even if the messages cannot be deleted
+          This method does not work on private chat or normal groups It is not suggested to delete more than 200 messages per call.
+
+          *NOTE*
+          The maximum number of messages to be deleted in a single batch is determined by the max-batch-operations parameter and is 10000 by default.
+      requestBody:
+        content:
+          application/x-www-form-urlencoded:
+            schema:
+              type: object
+              properties:
+                chat_id:
+                  description: Unique identifier for the target chat or username of the target channel (in the format `@channelusername`)
+                  anyOf:
+                    - type: integer
+                    - type: string
+                message_ids:
+                  type: array
+                  items:
+                    type: integer
+                start:
+                  description: First message id to delete
+                  type: integer
+                end:
+                  description: Last message id to delete
+                  type: integer
+              required:
+                - chat_id
+          multipart/form-data:
+            schema:
+              type: object
+              properties:
+                chat_id:
+                  description: Unique identifier for the target chat or username of the target channel (in the format `@channelusername`)
+                  anyOf:
+                    - type: integer
+                    - type: string
+                message_ids:
+                  type: array
+                  items:
+                    type: integer
+                start:
+                  description: First message id to delete
+                  type: integer
+                end:
+                  description: Last message id to delete
+                  type: integer
+              required:
+                - chat_id
+          application/json:
+            schema:
+              type: object
+              properties:
+                chat_id:
+                  description: Unique identifier for the target chat or username of the target channel (in the format `@channelusername`)
+                  anyOf:
+                    - type: integer
+                    - type: string
+                message_ids:
+                  type: array
+                  items:
+                    type: integer
+                start:
+                  description: First message id to delete
+                  type: integer
+                end:
+                  description: Last message id to delete
+                  type: integer
+              required:
+                - chat_id
+        required: true
+      responses:
+        '200':
+          description: 'Request was successful, the result is returned.'
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    default: true
+                    type: boolean
+                  result:
+                    default: true
+                    type: boolean
+                required:
+                  - ok
+                  - result
+        default:
+          description: ''
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
   /ping:
     post:
       tags:

telegram-bot-api/Client.cpp

@@ -10592,6 +10592,10 @@ td::Status Client::process_delete_message_query(PromisedQueryPtr &query) {
 }
 
 td::Status Client::process_delete_messages_query(PromisedQueryPtr &query) {
+  auto is_range_delete_query = query->arg("start").empty() && query->arg("end").empty();
+  if (is_range_delete_query) {
+    return process_delete_messages_range_query(query);
+  }
   auto chat_id = query->arg("chat_id");
   TRY_RESULT(message_ids, get_message_ids(query.get(), 100));
   if (message_ids.empty()) {
@@ -11975,6 +11979,48 @@ td::Status Client::process_disable_proxy_query(PromisedQueryPtr &query) {
                td::make_unique<TdOnOkQueryCallback>(std::move(query)));
   return td::Status::OK();
 }
+
+td::Status Client::process_delete_messages_range_query(PromisedQueryPtr &query) {
+  auto chat_id = query->arg("chat_id");
+
+  if (chat_id.empty()) {
+    return td::Status::Error(400, "Chat identifier is not specified");
+  }
+
+  auto start = as_client_message_id(get_message_id(query.get(), "start"));
+  auto end = as_client_message_id(get_message_id(query.get(), "end"));
+
+  if (start == 0 || end == 0) {
+    return td::Status::Error(400, "Message identifier is not specified");
+  }
+
+  if (start >= end) {
+    return td::Status::Error(400, "Initial message identifier is not lower than last message identifier");
+  }
+
+  if (static_cast<td::uint32>(end-start) > parameters_->max_batch_operations) {
+    return td::Status::Error(400, PSLICE() << "Too many operations: maximum number of batch operation is " << parameters_->max_batch_operations);
+  }
+
+  check_chat(chat_id, AccessRights::Write, std::move(query), [this, start, end](int64 chat_id, PromisedQueryPtr query) {
+    if (get_chat_type(chat_id) != ChatType::Supergroup) {
+      return fail_query(400, "Bad Request: method is available only for supergroups", std::move(query));
+    }
+
+    td::vector<td::int64> ids;
+    ids.reserve(end-start+1);
+    for (td::int32 i = start; i <= end; i++) {
+      ids.push_back(as_tdlib_message_id(i));
+    }
+
+    if (!ids.empty()) {
+      send_request(make_object<td_api::deleteMessages>(chat_id, std::move(ids), true),
+                   td::make_unique<TdOnOkQueryCallback>(std::move(query)));
+    }
+  });
+
+  return td::Status::OK();
+}
 //end custom methods impl
 //start custom user methods impl
 

telegram-bot-api/Client.h

@@ -762,6 +762,7 @@ class Client final : public WebhookActor::Callback {
   td::Status process_delete_proxy_query(PromisedQueryPtr &query);
   td::Status process_enable_proxy_query(PromisedQueryPtr &query);
   td::Status process_disable_proxy_query(PromisedQueryPtr &query);
+  td::Status process_delete_messages_range_query(PromisedQueryPtr &query);
 
   //custom user methods
   td::Status process_get_chats_query(PromisedQueryPtr &query);