go-discord-bot/client/app/pages/Soundboard/Soundboard.tsx

import React from 'react';
import Dropzone from 'react-dropzone';
import axios, { AxiosRequestConfig } from 'axios';

import { SoundList, SoundType } from '../../components/SoundList';

import './Soundboard.scss';

let self: any;

interface Props {

}

interface State {
    percentCompleted: number;
    password: string;
    uploaded: boolean;
    uploadError: string;
    soundList: SoundType[];
}

export class Soundboard extends React.Component<Props, State> {
    
    private config: AxiosRequestConfig;
    private soundListCache: any;

    constructor() {
        super();
        this.state = {
            percentCompleted: 0,
            password: "",
            uploaded: false,
            uploadError: " ",
            soundList: [],
        },

        self = this;
    }
    
    componentDidMount() {
        this.config = {
            headers: {
                'Content-Type': 'multipart/form-data',
            },
            onUploadProgress: (progressEvent) => {
                this.setState({
                    percentCompleted: Math.round( (progressEvent.loaded * 100) / progressEvent.total ),
                });
            }
        };

        this.getSoundList();
    }
    
    private getSoundList() {
        if (!this.soundListCache) {
            axios.get("/api/soundlist").then((response) => {
                this.soundListCache = response.data;
                this.setState({
                    soundList: response.data,
                });
            }).catch((error: any) => {
                console.error(error.response.data);
            });
        } else {
            this.setState({
                soundList: this.soundListCache,
            });
        }
    }

    onDrop(acceptedFiles: any) {
        if (acceptedFiles.length > 0) {
            self.uploadFile(acceptedFiles[0]);
        }
    }
    
    uploadFile(file: any) {
        let formData = new FormData();
        formData.append("name", file.name);
        formData.append("file", file);
        formData.append("password", this.state.password);
        
        axios.post("/api/upload", formData, this.config)
            .then(() => {
                this.setState({
                    password: "",
                    percentCompleted: 0,
                    uploaded: true,
                    uploadError: " ",
                });
                
                this.soundListCache = undefined;
                this.getSoundList();
            }).catch((err) => {
                this.setState({
                    percentCompleted: 0,
                    uploaded: false,
                    uploadError: err.response.data,
                });
            });
    }
    
    passwordOnChange(event: any) {
        this.setState({
            password: event.target.value,
        });
    }
    
    render() {
        const { soundList } = this.state;
        return (
            <div className="Soundboard">
                <div className="column">
                    <SoundList soundList={soundList} type="Sounds"/>
                </div>
            
                <div className="column">
                    <div>
                        <Dropzone className="Dropzone"
                                activeClassName="Dropzone--active"
                                onDrop={this.onDrop}
                                multiple={false}
                                disableClick={true}
                                maxSize={10000000000}
                                accept={"audio/*"}>
                                
                            <input className="input Soundboard__input"
                                    type="password"
                                    placeholder="Password"
                                    value={this.state.password}
                                    onChange={this.passwordOnChange.bind(this)}/>
                                
                            <div style={{fontSize: "20px"}}>Drop file here to upload.</div>
                            {this.state.percentCompleted > 0 ? <div>Uploading: {this.state.percentCompleted}</div> : ""}
                            {this.state.uploaded ? <div style={{color: 'green'}}>File uploded!</div> : ""}
                            <div style={{color: '#f95f59'}}>{this.state.uploadError}</div>
                        </Dropzone>
                    </div>
                </div>
            </div>
        );
    }
}