createStreamGatherHandler.ts•2.17 kB
/**
* Copyright (C) 2025 by Fonoster Inc (https://fonoster.com)
* http://github.com/fonoster/fonoster
*
* This file is part of Fonoster
*
* Licensed under the MIT License (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/MIT
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { StartStreamGatherRequest, StreamGatherSource } from "@fonoster/common";
import { z } from "zod";
import { VoiceClient } from "../types";
import { withErrorHandling } from "./utils/withErrorHandling";
const gatherRequestSchema = z.object({
source: z.optional(
z.nativeEnum(StreamGatherSource, {
message: "Invalid stream gather source."
})
)
});
function createStreamGatherHandler(voiceClient: VoiceClient) {
return withErrorHandling(async (request: StartStreamGatherRequest) => {
const { sessionRef, source } = request;
gatherRequestSchema.parse(request);
const effectiveSource = source || StreamGatherSource.SPEECH_AND_DTMF;
if (effectiveSource.includes(StreamGatherSource.DTMF)) {
voiceClient.startDtmfGather(sessionRef, (event) => {
const { digit } = event;
voiceClient.sendResponse({
streamGatherPayload: {
sessionRef,
digit,
responseTime: 0
}
});
});
}
if (effectiveSource.includes(StreamGatherSource.SPEECH)) {
voiceClient.startSpeechGather((event) => {
const { speech, responseTime } = event;
voiceClient.sendResponse({
streamGatherPayload: {
sessionRef,
speech,
responseTime
}
});
});
}
voiceClient.sendResponse({
startStreamGatherResponse: {
sessionRef
}
});
});
}
export { createStreamGatherHandler };