foreign/node/src/wire/topic/delete-topic.command.ts

// Licensed to the Apache Software Foundation (ASF) under one
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// distributed with this work for additional information
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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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// specific language governing permissions and limitations
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//

import { deserializeVoidResponse } from '../../client/client.utils.js';
import { wrapCommand } from '../command.utils.js';
import { COMMAND_CODE } from '../command.code.js';
import { serializeIdentifier, type Id } from '../identifier.utils.js';
import { uint32ToBuf } from '../number.utils.js';

/**
 * Parameters for the delete topic command.
 */
export type DeleteTopic = {
  /** Stream identifier (ID or name) */
  streamId: Id,
  /** Topic identifier (ID or name) */
  topicId: Id,
  /** Number of partitions in the topic */
  partitionsCount: number
}

/**
 * Delete topic command definition.
 * Permanently removes a topic and all its data from a stream.
 */
export const DELETE_TOPIC = {
  code: COMMAND_CODE.DeleteTopic,

  serialize: ({streamId, topicId, partitionsCount}: DeleteTopic) => {
    return Buffer.concat([
      serializeIdentifier(streamId),
      serializeIdentifier(topicId),
      uint32ToBuf(partitionsCount)
    ]);
  },

  deserialize: deserializeVoidResponse
};


/**
 * Executable delete topic command function.
 */
export const deleteTopic = wrapCommand<DeleteTopic, boolean>(DELETE_TOPIC);