StreamGather.ts•1.99 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 { Stream as StreamObj } from "stream";
import {
Messages,
StartStreamGatherRequest,
StreamGatherPayload,
StreamGatherSource,
VerbRequest
} from "@fonoster/common";
import { z } from "zod";
import { Verb } from "./Verb";
class StartStreamGather extends Verb<StartStreamGatherRequest> {
getValidationSchema(): z.Schema {
return z.object({
source: z.optional(
z.nativeEnum(StreamGatherSource, {
message: "Invalid stream gather source."
})
)
});
}
}
class StopStreamGather extends Verb<VerbRequest> {
getValidationSchema(): z.Schema {
return z.object({
sessionRef: z.string().uuid({ message: Messages.VALID_UUID })
});
}
}
class StreamGatherStream {
stream: StreamObj;
constructor() {
this.stream = new StreamObj();
}
close() {
this.stream.removeAllListeners();
}
// Private API
onPayload(callback: (payload: StreamGatherPayload) => void) {
this.stream.on("data", (payload) => {
callback(payload);
});
}
// Private API
emit(event: "data", payload: StreamGatherPayload) {
this.stream.emit(event, payload);
}
// Private API
cleanup(callback: () => void) {
this.stream.on("close", callback);
}
}
export { StartStreamGather, StopStreamGather, StreamGatherStream };