ChatbotUI/src/app/services/speech-to-text.ts

// Copyright 2025 Google LLC. All Rights Reserved.
//
// Licensed 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 "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 { Injectable } from '@angular/core';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { environment } from 'src/environments/environment';

// const audioChatUrl = `http://localhost:8080/api/audio_chat`;
const audioChatUrl = `${environment.backendURL}audio_chat`;

@Injectable({
  providedIn: 'root'
})
export class SpeechToTextService {

  constructor(private http: HttpClient) {}

  async transcribeAudio(audioBlob: Blob) {
    const formData = new FormData();
    formData.append('audio_file', audioBlob, 'audio.wav');
    return this.http.post(audioChatUrl, formData);
  }
}