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refactor(@aws-amplify/core): Rewrite aws-lex-audio.js and centralize it at core #6546

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wlee221 wants to merge 4 commits into from
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refactor(@aws-amplify/core): Rewrite aws-lex-audio.js and centralize it at core #6546

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7e7feac
add encoder and recorder
Aug 7, 2020
ba94cb9
Reimplement and adjust architecture
Aug 11, 2020
80eda61
refactor code
Aug 11, 2020
667fe06
Remove audioControl from aws-amplify-react
Aug 11, 2020
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34 changes: 12 additions & 22 deletions packages/aws-amplify-react/src/Interactions/ChatBot.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ import {
} from '../AmplifyUI';
import { Input, Button } from '../AmplifyTheme';

import { I18n } from '@aws-amplify/core';
import { I18n, AudioRecorder } from '@aws-amplify/core';
import { Interactions } from '@aws-amplify/interactions';
import { ConsoleLogger as Logger } from '@aws-amplify/core';
import { chatBot } from '../Amplify-UI/data-test-attributes';
Expand Down Expand Up @@ -55,13 +55,11 @@ const STATES = {

const defaultVoiceConfig = {
silenceDetectionConfig: {
time: 2000,
time: 1500,
amplitude: 0.2,
},
};

let audioControl;

export interface IChatBotProps {
botName?: string;
clearOnComplete?: boolean;
Expand Down Expand Up @@ -94,13 +92,14 @@ export interface IChatBotState {

export class ChatBot extends React.Component<IChatBotProps, IChatBotState> {
private listItemsRef: any;
private audioRecorder: AudioRecorder;

constructor(props) {
super(props);
if (this.props.voiceEnabled) {
require('./aws-lex-audio');
// @ts-ignore
audioControl = new global.LexAudio.audioControl();
this.audioRecorder = new AudioRecorder(
this.props.voiceConfig.silenceDetectionConfig
);
}
if (!this.props.textEnabled && this.props.voiceEnabled) {
STATES.INITIAL.MESSAGE = 'Click the mic button';
Expand Down Expand Up @@ -158,22 +157,18 @@ export class ChatBot extends React.Component<IChatBotProps, IChatBotState> {
micButtonDisabled: false,
},
() => {
audioControl.startRecording(
this.onSilenceHandler,
null,
this.props.voiceConfig.silenceDetectionConfig
);
this.audioRecorder.startRecording(this.onSilenceHandler);
}
);
}
}

onSilenceHandler() {
audioControl.stopRecording();
this.audioRecorder.stopRecording();
if (!this.state.continueConversation) {
return;
}
audioControl.exportWAV(blob => {
this.audioRecorder.exportWAV(blob => {
this.setState(
{
currentVoiceState: STATES.SENDING,
Expand Down Expand Up @@ -235,7 +230,7 @@ export class ChatBot extends React.Component<IChatBotProps, IChatBotState> {
return;
}
if (this.state.lexResponse.contentType === 'audio/mpeg') {
audioControl.play(this.state.lexResponse.audioStream, () => {
this.audioRecorder.play(this.state.lexResponse.audioStream, () => {
if (
this.state.lexResponse.dialogState === 'ReadyForFulfillment' ||
this.state.lexResponse.dialogState === 'Fulfilled' ||
Expand All @@ -257,11 +252,7 @@ export class ChatBot extends React.Component<IChatBotProps, IChatBotState> {
micButtonDisabled: false,
},
() => {
audioControl.startRecording(
this.onSilenceHandler,
null,
this.props.voiceConfig.silenceDetectionConfig
);
this.audioRecorder.startRecording(this.onSilenceHandler);
}
);
}
Expand All @@ -288,7 +279,7 @@ export class ChatBot extends React.Component<IChatBotProps, IChatBotState> {
micButtonDisabled: false,
},
() => {
audioControl.clear();
this.audioRecorder.clear();
}
);
}
Expand Down Expand Up @@ -424,7 +415,6 @@ export class ChatBot extends React.Component<IChatBotProps, IChatBotState> {

render() {
const { title, theme, onComplete } = this.props;

return (
<FormSection theme={theme}>
{title && (
Expand Down
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