foreign/node/src/wire/stream/update-stream.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 { uint8ToBuf } from '../number.utils.js';

/**
 * Parameters for the update stream command.
 */
export type UpdateStream = {
  /** Stream identifier (ID or name) */
  streamId: Id,
  /** New stream name (1-255 bytes) */
  name: string
}

/**
 * Update stream command definition.
 * Updates a stream's name.
 */
export const UPDATE_STREAM = {
  code: COMMAND_CODE.UpdateStream,

  serialize: ({streamId, name}: UpdateStream) => {
    const bId = serializeIdentifier(streamId);
    const bName = Buffer.from(name);

    if (bName.length < 1 || bName.length > 255)
      throw new Error('Stream name should be between 1 and 255 bytes');

    return Buffer.concat([
      bId,
      uint8ToBuf(bName.length),
      bName
    ]);
  },

  deserialize: deserializeVoidResponse
};


/**
 * Executable update stream command function.
 */
export const updateStream = wrapCommand<UpdateStream, boolean>(UPDATE_STREAM);