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import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { action, observable } from 'mobx';
import { observer } from 'mobx-react';
import * as rp from 'request-promise';
import { DocServer } from '../client/DocServer';
import { Docs } from '../client/documents/Documents';
import { Networking } from '../client/Network';
import { DFLT_IMAGE_NATIVE_DIM } from '../client/views/global/globalCssVariables.scss';
import { MainViewModal } from '../client/views/MainViewModal';
import { Doc, Opt } from '../fields/Doc';
import { List } from '../fields/List';
import { listSpec } from '../fields/Schema';
import { Cast } from '../fields/Types';
import { Utils } from '../Utils';
import './ImageUpload.scss';
import { MobileInterface } from './MobileInterface';
import * as React from 'react';
export interface ImageUploadProps {
Document: Doc; // Target document for upload (upload location)
}
const inputRef = React.createRef<HTMLInputElement>();
const defaultNativeImageDim = Number(DFLT_IMAGE_NATIVE_DIM.replace('px', ''));
@observer
export class Uploader extends React.Component<ImageUploadProps> {
@observable error: string = '';
@observable nm: string = 'Choose files'; // Text of 'Choose Files' button
@observable process: string = ''; // Current status of upload
onClick = async () => {
try {
const col = this.props.Document;
await Docs.Prototypes.initialize();
const imgPrev = document.getElementById('img_preview');
this.setOpacity(1, '1'); // Slab 1
if (imgPrev) {
const files: FileList | null = inputRef.current!.files;
this.setOpacity(2, '1'); // Slab 2
if (files && files.length !== 0) {
this.process = 'Uploading Files';
for (let index = 0; index < files.length; ++index) {
const file = files[index];
const res = await Networking.UploadFilesToServer({ file });
this.setOpacity(3, '1'); // Slab 3
// For each item that the user has selected
res.map(async ({ result }) => {
const name = file.name;
if (result instanceof Error) {
return;
}
const path = result.accessPaths.agnostic.client;
let doc = null;
// Case 1: File is a video
if (file.type === 'video/mp4') {
doc = Docs.Create.VideoDocument(path, { _nativeWidth: defaultNativeImageDim, _width: 400, title: name });
// Case 2: File is a PDF document
} else if (file.type === 'application/pdf') {
doc = Docs.Create.PdfDocument(path, { _nativeWidth: defaultNativeImageDim, _width: 400, title: name });
// Case 3: File is another document type (most likely Image)
} else {
doc = Docs.Create.ImageDocument(path, { _nativeWidth: defaultNativeImageDim, _width: 400, title: name });
}
this.setOpacity(4, '1'); // Slab 4
const res = await rp.get(Utils.prepend('/getUserDocumentIds'));
if (!res) {
throw new Error('No user id returned');
}
const field = await DocServer.GetRefField(JSON.parse(res).userDocumentId);
let pending: Opt<Doc>;
if (field instanceof Doc) {
pending = col;
}
if (pending) {
const data = await Cast(pending.data, listSpec(Doc));
if (data) data.push(doc);
else pending.data = new List([doc]);
this.setOpacity(5, '1'); // Slab 5
this.process = 'File ' + (index + 1).toString() + ' Uploaded';
this.setOpacity(6, '1'); // Slab 6
}
if (index + 1 === files.length) {
this.process = 'Uploads Completed';
this.setOpacity(7, '1'); // Slab 7
}
});
}
// Case in which the user pressed upload and no files were selected
} else {
this.process = 'No file selected';
}
// Three seconds after upload the menu will reset
setTimeout(this.clearUpload, 3000);
}
} catch (error) {
this.error = JSON.stringify(error);
}
};
// Updates label after a files is selected (so user knows a file is uploaded)
inputLabel = async () => {
const files: FileList | null = inputRef.current!.files;
await files;
if (files && files.length === 1) {
this.nm = files[0].name;
} else if (files && files.length > 1) {
this.nm = files.length.toString() + ' files selected';
}
};
// Loops through load icons, and resets buttons
@action
clearUpload = () => {
for (let i = 1; i < 8; i++) {
this.setOpacity(i, '0.2');
}
this.nm = 'Choose files';
if (inputRef.current) {
inputRef.current.value = '';
}
this.process = '';
};
// Clears the upload and closes the upload menu
closeUpload = () => {
this.clearUpload();
MobileInterface.Instance.toggleUpload();
};
// Handles the setting of the loading bar
setOpacity = (index: number, opacity: string) => {
const slab = document.getElementById('slab' + index);
if (slab) slab.style.opacity = opacity;
};
// Returns the upload interface for mobile
private get uploadInterface() {
return (
<div className="imgupload_cont">
<div className="closeUpload" onClick={() => this.closeUpload()}>
<FontAwesomeIcon icon="window-close" size={'lg'} />
</div>
<FontAwesomeIcon icon="upload" size="lg" style={{ fontSize: '130' }} />
<input type="file" accept="application/pdf, video/*,image/*" className={`inputFile ${this.nm !== 'Choose files' ? 'active' : ''}`} id="input_image_file" ref={inputRef} onChange={this.inputLabel} multiple></input>
<label className="file" id="label" htmlFor="input_image_file">
{this.nm}
</label>
<div className="upload_label" onClick={this.onClick}>
Upload
</div>
<img id="img_preview" src=""></img>
<div className="loadingImage">
<div className="loadingSlab" id="slab1" />
<div className="loadingSlab" id="slab2" />
<div className="loadingSlab" id="slab3" />
<div className="loadingSlab" id="slab4" />
<div className="loadingSlab" id="slab5" />
<div className="loadingSlab" id="slab6" />
<div className="loadingSlab" id="slab7" />
</div>
<p className="status">{this.process}</p>
</div>
);
}
@observable private dialogueBoxOpacity = 1;
@observable private overlayOpacity = 0.4;
render() {
return <MainViewModal contents={this.uploadInterface} isDisplayed={true} interactive={true} dialogueBoxDisplayedOpacity={this.dialogueBoxOpacity} overlayDisplayedOpacity={this.overlayOpacity} closeOnExternalClick={this.closeUpload} />;
}
}
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