mirror of https://github.com/ascribe/onion.git
984 lines
38 KiB
JavaScript
984 lines
38 KiB
JavaScript
'use strict';
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import React from 'react/addons';
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import fineUploader from 'fineUploader';
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import Q from 'q';
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import S3Fetcher from '../../fetchers/s3_fetcher';
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import FileDragAndDrop from './ascribe_file_drag_and_drop/file_drag_and_drop';
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import GlobalNotificationModel from '../../models/global_notification_model';
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import GlobalNotificationActions from '../../actions/global_notification_actions';
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import AppConstants from '../../constants/application_constants';
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import { displayValidFilesFilter, transformAllowedExtensionsToInputAcceptProp } from './react_s3_fine_uploader_utils';
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import { getCookie } from '../../utils/fetch_api_utils';
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import { computeHashOfFile, extractFileExtensionFromString } from '../../utils/file_utils';
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import { getLangText } from '../../utils/lang_utils';
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const { shape,
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string,
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oneOfType,
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number,
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func,
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bool,
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any,
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object,
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oneOf,
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element,
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arrayOf } = React.PropTypes;
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const ReactS3FineUploader = React.createClass({
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propTypes: {
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keyRoutine: shape({
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url: string,
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fileClass: string,
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pieceId: number
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}),
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createBlobRoutine: shape({
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url: string,
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pieceId: number
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}),
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handleChangedFile: func, // is for when a file is dropped or selected
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submitFile: func, // is for when a file has been successfully uploaded, TODO: rename to handleSubmitFile
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onValidationFailed: func,
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autoUpload: bool,
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debug: bool,
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objectProperties: shape({
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acl: string
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}),
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request: shape({
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endpoint: string,
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accessKey: string,
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params: shape({
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csrfmiddlewaretoken: string
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})
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}),
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signature: shape({
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endpoint: string
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}).isRequired,
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uploadSuccess: shape({
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method: string,
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endpoint: string,
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params: shape({
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isBrowserPreviewCapable: any, // maybe fix this later
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bitcoin_ID_noPrefix: string
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})
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}),
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cors: shape({
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expected: bool
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}),
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chunking: shape({
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enabled: bool
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}),
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resume: shape({
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enabled: bool
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}),
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deleteFile: shape({
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enabled: bool,
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method: string,
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endpoint: string,
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customHeaders: object
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}).isRequired,
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session: shape({
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customHeaders: object,
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endpoint: string,
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params: object,
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refreshOnRequests: bool
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}),
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validation: shape({
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itemLimit: number,
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sizeLimit: number,
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allowedExtensions: arrayOf(string)
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}),
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messages: shape({
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unsupportedBrowser: string
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}),
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formatFileName: func,
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multiple: bool,
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retry: shape({
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enableAuto: bool
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}),
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setIsUploadReady: func,
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isReadyForFormSubmission: func,
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areAssetsDownloadable: bool,
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areAssetsEditable: bool,
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defaultErrorMessage: string,
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// We encountered some cases where people had difficulties to upload their
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// works to ascribe due to a slow internet connection.
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// One solution we found in the process of tackling this problem was to hash
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// the file in the browser using md5 and then uploading the resulting text document instead
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// of the actual file.
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//
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// This boolean and string essentially enable that behavior.
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// Right now, we determine which upload method to use by appending a query parameter,
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// which should be passed into 'uploadMethod':
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// 'hash': upload using the hash
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// 'upload': upload full file (default if not specified)
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enableLocalHashing: bool,
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uploadMethod: oneOf(['hash', 'upload']),
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// A class of a file the user has to upload
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// Needs to be defined both in singular as well as in plural
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fileClassToUpload: shape({
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singular: string,
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plural: string
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}),
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// Uploading functionality of react fineuploader is disconnected from its UI
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// layer, which means that literally every (properly adjusted) react element
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// can handle the UI handling.
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fileInputElement: oneOfType([
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func,
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element
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])
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},
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getDefaultProps() {
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return {
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autoUpload: true,
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debug: false,
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objectProperties: {
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acl: 'public-read',
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bucket: 'ascribe0'
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},
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request: {
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//endpoint: 'https://www.ascribe.io.global.prod.fastly.net',
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endpoint: 'https://ascribe0.s3.amazonaws.com',
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accessKey: 'AKIAIVCZJ33WSCBQ3QDA'
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},
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uploadSuccess: {
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params: {
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isBrowserPreviewCapable: fineUploader.supportedFeatures.imagePreviews
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}
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},
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cors: {
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expected: true,
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sendCredentials: true
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},
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chunking: {
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enabled: true,
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concurrent: {
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enabled: true
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}
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},
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resume: {
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enabled: true
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},
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retry: {
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enableAuto: false
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},
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session: {
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endpoint: null
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},
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messages: {
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unsupportedBrowser: '<h3>' + getLangText('Upload is not functional in IE7 as IE7 has no support for CORS!') + '</h3>'
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},
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formatFileName: function(name){// fix maybe
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if (name !== undefined && name.length > 26) {
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name = name.slice(0, 15) + '...' + name.slice(-15);
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}
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return name;
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},
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multiple: false,
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defaultErrorMessage: getLangText('Unexpected error. Please contact us if this happens repeatedly.'),
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fileClassToUpload: {
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singular: getLangText('file'),
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plural: getLangText('files')
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},
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fileInputElement: FileDragAndDrop
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};
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},
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getInitialState() {
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return {
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filesToUpload: [],
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uploader: new fineUploader.s3.FineUploaderBasic(this.propsToConfig()),
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csrfToken: getCookie(AppConstants.csrftoken),
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// -1: aborted
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// -2: uninitialized
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hashingProgress: -2,
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// this is for logging
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chunks: {}
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};
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},
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componentWillUpdate() {
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// since the csrf header is defined in this component's props,
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// everytime the csrf cookie is changed we'll need to reinitalize
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// fineuploader and update the actual csrf token
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let potentiallyNewCSRFToken = getCookie(AppConstants.csrftoken);
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if(this.state.csrfToken !== potentiallyNewCSRFToken) {
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this.setState({
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uploader: new fineUploader.s3.FineUploaderBasic(this.propsToConfig()),
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csrfToken: potentiallyNewCSRFToken
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});
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}
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},
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componentWillUnmount() {
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// Without this method, fineuploader will continue to try to upload artworks
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// even though this component is not mounted any more.
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// Therefore we cancel all uploads
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this.state.uploader.cancelAll();
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},
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propsToConfig() {
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let objectProperties = this.props.objectProperties;
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objectProperties.key = this.requestKey;
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return {
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autoUpload: this.props.autoUpload,
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debug: this.props.debug,
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objectProperties: objectProperties, // do a special key handling here
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request: this.props.request,
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signature: this.props.signature,
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uploadSuccess: this.props.uploadSuccess,
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cors: this.props.cors,
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chunking: this.props.chunking,
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resume: this.props.resume,
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deleteFile: this.props.deleteFile,
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session: this.props.session,
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validation: this.props.validation,
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messages: this.props.messages,
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formatFileName: this.props.formatFileName,
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multiple: this.props.multiple,
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retry: this.props.retry,
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callbacks: {
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onComplete: this.onComplete,
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onCancel: this.onCancel,
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onProgress: this.onProgress,
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onDeleteComplete: this.onDeleteComplete,
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onSessionRequestComplete: this.onSessionRequestComplete,
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onError: this.onError,
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onUploadChunk: this.onUploadChunk,
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onUploadChunkSuccess: this.onUploadChunkSuccess
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}
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};
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},
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// Resets the whole react fineuploader component to its initial state
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reset() {
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// Cancel all currently ongoing uploads
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this.cancelUploads();
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// and reset component in general
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this.state.uploader.reset();
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// proclaim that upload is not ready
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this.props.setIsUploadReady(false);
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// reset internal data structures of component
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this.setState(this.getInitialState());
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},
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requestKey(fileId) {
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let filename = this.state.uploader.getName(fileId);
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let uuid = this.state.uploader.getUuid(fileId);
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return Q.Promise((resolve, reject) => {
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window.fetch(this.props.keyRoutine.url, {
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method: 'post',
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headers: {
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'Accept': 'application/json',
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'Content-Type': 'application/json',
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'X-CSRFToken': getCookie(AppConstants.csrftoken)
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},
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credentials: 'include',
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body: JSON.stringify({
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'filename': filename,
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'category': this.props.keyRoutine.fileClass,
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'uuid': uuid,
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'piece_id': this.props.keyRoutine.pieceId
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})
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})
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.then((res) => {
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return res.json();
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})
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.then((res) =>{
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resolve(res.key);
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})
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.catch((err) => {
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this.onErrorPromiseProxy(err);
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reject(err);
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});
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});
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},
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createBlob(file) {
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const { createBlobRoutine } = this.props;
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return Q.Promise((resolve, reject) => {
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// if createBlobRoutine is not defined,
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// we're progressing right away without posting to S3
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// so that this can be done manually by the form
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if(!createBlobRoutine) {
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// still we warn the user of this component
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console.warn('createBlobRoutine was not defined for ReactS3FineUploader. Continuing without creating the blob on the server.');
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resolve();
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return;
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}
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window.fetch(createBlobRoutine.url, {
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method: 'post',
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headers: {
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'Accept': 'application/json',
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'Content-Type': 'application/json',
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'X-CSRFToken': getCookie(AppConstants.csrftoken)
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},
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credentials: 'include',
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body: JSON.stringify({
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'filename': file.name,
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'key': file.key,
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'piece_id': createBlobRoutine.pieceId
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})
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})
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.then((res) => {
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return res.json();
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})
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.then((res) => {
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if(res.otherdata) {
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file.s3Url = res.otherdata.url_safe;
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file.s3UrlSafe = res.otherdata.url_safe;
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} else if(res.digitalwork) {
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file.s3Url = res.digitalwork.url_safe;
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file.s3UrlSafe = res.digitalwork.url_safe;
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} else if(res.contractblob) {
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file.s3Url = res.contractblob.url_safe;
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file.s3UrlSafe = res.contractblob.url_safe;
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} else if(res.thumbnail) {
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file.s3Url = res.thumbnail.url_safe;
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file.s3UrlSafe = res.thumbnail.url_safe;
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} else {
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throw new Error(getLangText('Could not find a url to download.'));
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}
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resolve(res);
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})
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.catch((err) => {
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this.onErrorPromiseProxy(err);
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reject(err);
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});
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});
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},
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// Cancel uploads and clear previously selected files on the input element
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cancelUploads(id) {
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typeof id !== 'undefined' ? this.state.uploader.cancel(id) : this.state.uploader.cancelAll();
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// Reset the file input element to clear the previously selected files so that
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// the user can reselect them again.
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this.clearFileSelection();
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},
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clearFileSelection() {
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const { fileInput } = this.refs;
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if (fileInput && typeof fileInput.clearSelection === 'function') {
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fileInput.clearSelection();
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}
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},
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getAllowedExtensions() {
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const { validation: { allowedExtensions } = {} } = this.props;
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if (allowedExtensions && allowedExtensions.length) {
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return transformAllowedExtensionsToInputAcceptProp(allowedExtensions);
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} else {
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return null;
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}
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},
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getXhrErrorComment(xhr) {
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if (xhr) {
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return {
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response: xhr.response,
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url: xhr.responseURL,
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status: xhr.status,
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statusText: xhr.statusText
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};
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}
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},
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isDropzoneInactive() {
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const filesToDisplay = this.state.filesToUpload.filter((file) => file.status !== 'deleted' && file.status !== 'canceled' && file.size !== -1);
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if ((this.props.enableLocalHashing && !this.props.uploadMethod) || !this.props.areAssetsEditable || !this.props.multiple && filesToDisplay.length > 0) {
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return true;
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} else {
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return false;
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}
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},
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isFileValid(file) {
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const { validation: { allowedExtensions, sizeLimit = 0 }, onValidationFailed } = this.props;
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const fileExt = extractFileExtensionFromString(file.name);
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if (file.size > sizeLimit) {
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const fileSizeInMegaBytes = sizeLimit / 1000000;
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const notification = new GlobalNotificationModel(getLangText('A file you submitted is bigger than ' + fileSizeInMegaBytes + 'MB.'), 'danger', 5000);
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GlobalNotificationActions.appendGlobalNotification(notification);
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if (typeof onValidationFailed === 'function') {
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onValidationFailed(file);
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}
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return false;
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} else if (allowedExtensions && !allowedExtensions.includes(fileExt)) {
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const notification = new GlobalNotificationModel(getLangText(`The file you've submitted is of an invalid file format: Valid format(s): ${allowedExtensions.join(', ')}`), 'danger', 5000);
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GlobalNotificationActions.appendGlobalNotification(notification);
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return false;
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} else {
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return true;
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}
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},
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selectValidFiles(files) {
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return Array.from(files).reduce((validFiles, file) => {
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if (this.isFileValid(file)) {
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validFiles.push(file);
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}
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return validFiles;
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}, []);
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},
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// This method has been made promise-based to immediately afterwards
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// call a callback function (instantly after this.setState went through)
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// This is e.g. needed when showing/hiding the optional thumbnail upload
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// field in the registration form
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setStatusOfFile(fileId, status) {
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return Q.Promise((resolve) => {
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let changeSet = {};
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if(status === 'deleted' || status === 'canceled') {
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changeSet.progress = { $set: 0 };
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}
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changeSet.status = { $set: status };
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let filesToUpload = React.addons.update(this.state.filesToUpload, { [fileId]: changeSet });
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this.setState({ filesToUpload }, resolve);
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});
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},
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setThumbnailForFileId(fileId, url) {
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const { filesToUpload } = this.state;
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if(fileId < filesToUpload.length) {
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const changeSet = { $set: url };
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const newFilesToUpload = React.addons.update(filesToUpload, {
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[fileId]: { thumbnailUrl: changeSet }
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});
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this.setState({ filesToUpload: newFilesToUpload });
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} else {
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throw new Error('Accessing an index out of range of filesToUpload');
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}
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},
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/* FineUploader specific callback function handlers */
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onUploadChunk(id, name, chunkData) {
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let chunks = this.state.chunks;
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chunks[id + '-' + chunkData.startByte + '-' + chunkData.endByte] = {
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id,
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name,
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chunkData,
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completed: false
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};
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let startedChunks = React.addons.update(this.state.startedChunks, { $set: chunks });
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this.setState({ startedChunks });
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},
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onUploadChunkSuccess(id, chunkData, responseJson, xhr) {
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let chunks = this.state.chunks;
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let chunkKey = id + '-' + chunkData.startByte + '-' + chunkData.endByte;
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if(chunks[chunkKey]) {
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chunks[chunkKey].completed = true;
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chunks[chunkKey].responseJson = responseJson;
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chunks[chunkKey].xhr = xhr;
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let startedChunks = React.addons.update(this.state.startedChunks, { $set: chunks });
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this.setState({ startedChunks });
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}
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},
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onComplete(id, name, res, xhr) {
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// There has been an issue with the server's connection
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if (xhr && xhr.status === 0 && res.success) {
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console.logGlobal(new Error('Upload succeeded with a status code 0'), {
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files: this.state.filesToUpload,
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chunks: this.state.chunks,
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xhr: this.getXhrErrorComment(xhr)
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});
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// onError will catch any errors, so we can ignore them here
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} else if (!res.error || res.success) {
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let files = this.state.filesToUpload;
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// Set the state of the completed file to 'upload successful' in order to
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// remove it from the GUI
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files[id].status = 'upload successful';
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files[id].key = this.state.uploader.getKey(id);
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let filesToUpload = React.addons.update(this.state.filesToUpload, { $set: files });
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this.setState({ filesToUpload });
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// Only after the blob has been created server-side, we can make the form submittable.
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this.createBlob(files[id])
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.then(() => {
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// since the form validation props isReadyForFormSubmission, setIsUploadReady and submitFile
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// are optional, we'll only trigger them when they're actually defined
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if(this.props.submitFile) {
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this.props.submitFile(files[id]);
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} else {
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console.warn('You didn\'t define submitFile as a prop in react-s3-fine-uploader');
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}
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// for explanation, check comment of if statement above
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if(this.props.isReadyForFormSubmission && this.props.setIsUploadReady) {
|
|
// also, lets check if after the completion of this upload,
|
|
// the form is ready for submission or not
|
|
if(this.props.isReadyForFormSubmission(this.state.filesToUpload)) {
|
|
// if so, set uploadstatus to true
|
|
this.props.setIsUploadReady(true);
|
|
} else {
|
|
this.props.setIsUploadReady(false);
|
|
}
|
|
} else {
|
|
console.warn('You didn\'t define the functions isReadyForFormSubmission and/or setIsUploadReady in as a prop in react-s3-fine-uploader');
|
|
}
|
|
})
|
|
.catch(this.onErrorPromiseProxy);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* We want to channel all errors in this component through one single method.
|
|
* As fineuploader's `onError` method cannot handle the callback parameters of
|
|
* a promise we define this proxy method to crunch them into the correct form.
|
|
*
|
|
* @param {error} err a plain Javascript error
|
|
*/
|
|
onErrorPromiseProxy(err) {
|
|
this.onError(null, null, err.message);
|
|
},
|
|
|
|
onError(id, name, errorReason, xhr) {
|
|
console.logGlobal(errorReason, {
|
|
files: this.state.filesToUpload,
|
|
chunks: this.state.chunks,
|
|
xhr: this.getXhrErrorComment(xhr)
|
|
});
|
|
|
|
this.props.setIsUploadReady(true);
|
|
this.cancelUploads();
|
|
|
|
let notification = new GlobalNotificationModel(errorReason || this.props.defaultErrorMessage, 'danger', 5000);
|
|
GlobalNotificationActions.appendGlobalNotification(notification);
|
|
},
|
|
|
|
onCancel(id) {
|
|
// when a upload is canceled, we need to update this components file array
|
|
this.setStatusOfFile(id, 'canceled')
|
|
.then(() => {
|
|
if(typeof this.props.handleChangedFile === 'function') {
|
|
this.props.handleChangedFile(this.state.filesToUpload[id]);
|
|
}
|
|
});
|
|
|
|
let notification = new GlobalNotificationModel(getLangText('File upload canceled'), 'success', 5000);
|
|
GlobalNotificationActions.appendGlobalNotification(notification);
|
|
|
|
// since the form validation props isReadyForFormSubmission, setIsUploadReady and submitFile
|
|
// are optional, we'll only trigger them when they're actually defined
|
|
if(this.props.isReadyForFormSubmission && this.props.setIsUploadReady) {
|
|
if(this.props.isReadyForFormSubmission(this.state.filesToUpload)) {
|
|
// if so, set uploadstatus to true
|
|
this.props.setIsUploadReady(true);
|
|
} else {
|
|
this.props.setIsUploadReady(false);
|
|
}
|
|
} else {
|
|
console.warn('You didn\'t define the functions isReadyForFormSubmission and/or setIsUploadReady in as a prop in react-s3-fine-uploader');
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
onProgress(id, name, uploadedBytes, totalBytes) {
|
|
let filesToUpload = React.addons.update(this.state.filesToUpload, {
|
|
[id]: {
|
|
progress: { $set: (uploadedBytes / totalBytes) * 100}
|
|
}
|
|
});
|
|
this.setState({ filesToUpload });
|
|
},
|
|
|
|
onSessionRequestComplete(response, success) {
|
|
if(success) {
|
|
// fetch blobs for images
|
|
response = response.map((file) => {
|
|
file.url = file.s3UrlSafe;
|
|
file.status = 'online';
|
|
file.progress = 100;
|
|
return file;
|
|
});
|
|
|
|
// add file to filesToUpload
|
|
let updatedFilesToUpload = this.state.filesToUpload.concat(response);
|
|
|
|
// refresh all files ids,
|
|
updatedFilesToUpload = updatedFilesToUpload.map((file, i) => {
|
|
file.id = i;
|
|
return file;
|
|
});
|
|
|
|
let filesToUpload = React.addons.update(this.state.filesToUpload, {$set: updatedFilesToUpload});
|
|
|
|
this.setState({filesToUpload });
|
|
} else {
|
|
// server has to respond with 204
|
|
//let notification = new GlobalNotificationModel('Could not load attached files (Further data)', 'danger', 10000);
|
|
//GlobalNotificationActions.appendGlobalNotification(notification);
|
|
//
|
|
//throw new Error('The session request failed', response);
|
|
}
|
|
},
|
|
|
|
onDeleteComplete(id, xhr, isError) {
|
|
if(isError) {
|
|
this.setStatusOfFile(id, 'online');
|
|
|
|
let notification = new GlobalNotificationModel(getLangText('There was an error deleting your file.'), 'danger', 10000);
|
|
GlobalNotificationActions.appendGlobalNotification(notification);
|
|
} else {
|
|
let notification = new GlobalNotificationModel(getLangText('File deleted'), 'success', 5000);
|
|
GlobalNotificationActions.appendGlobalNotification(notification);
|
|
}
|
|
|
|
// since the form validation props isReadyForFormSubmission, setIsUploadReady and submitFile
|
|
// are optional, we'll only trigger them when they're actually defined
|
|
if(this.props.isReadyForFormSubmission && this.props.setIsUploadReady) {
|
|
// also, lets check if after the completion of this upload,
|
|
// the form is ready for submission or not
|
|
if(this.props.isReadyForFormSubmission(this.state.filesToUpload)) {
|
|
// if so, set uploadstatus to true
|
|
this.props.setIsUploadReady(true);
|
|
} else {
|
|
this.props.setIsUploadReady(false);
|
|
}
|
|
} else {
|
|
console.warn('You didn\'t define the functions isReadyForFormSubmission and/or setIsUploadReady in as a prop in react-s3-fine-uploader');
|
|
}
|
|
},
|
|
|
|
handleDeleteFile(fileId) {
|
|
// We set the files state to 'deleted' immediately, so that the user is not confused with
|
|
// the unresponsiveness of the UI
|
|
//
|
|
// If there is an error during the deletion, we will just change the status back to 'online'
|
|
// and display an error message
|
|
this.setStatusOfFile(fileId, 'deleted')
|
|
.then(() => {
|
|
if(typeof this.props.handleChangedFile === 'function') {
|
|
this.props.handleChangedFile(this.state.filesToUpload[fileId]);
|
|
}
|
|
});
|
|
|
|
// In some instances (when the file was already uploaded and is just displayed to the user
|
|
// - for example in the contract or additional files dialog)
|
|
// fineuploader does not register an id on the file (we do, don't be confused by this!).
|
|
// Since you can only delete a file by its id, we have to implement this method ourselves
|
|
//
|
|
// So, if an id is not present, we delete the file manually
|
|
// To check which files are already uploaded from previous sessions we check their status.
|
|
// If they are, it is "online"
|
|
|
|
if(this.state.filesToUpload[fileId].status !== 'online') {
|
|
// delete file from server
|
|
this.state.uploader.deleteFile(fileId);
|
|
// this is being continued in onDeleteFile, as
|
|
// fineuploaders deleteFile does not return a correct callback or
|
|
// promise
|
|
} else {
|
|
let fileToDelete = this.state.filesToUpload[fileId];
|
|
S3Fetcher
|
|
.deleteFile(fileToDelete.s3Key, fileToDelete.s3Bucket)
|
|
.then(() => this.onDeleteComplete(fileToDelete.id, null, false))
|
|
.catch(() => this.onDeleteComplete(fileToDelete.id, null, true));
|
|
}
|
|
},
|
|
|
|
handleCancelFile(fileId) {
|
|
this.cancelUploads(fileId);
|
|
},
|
|
|
|
handleCancelHashing() {
|
|
// Every progress tick of the hashing function in handleUploadFile there is a
|
|
// check if this.state.hashingProgress is -1. If so, there is an error thrown that cancels
|
|
// the hashing of all files immediately.
|
|
this.setState({ hashingProgress: -1 });
|
|
},
|
|
|
|
handlePauseFile(fileId) {
|
|
if(this.state.uploader.pauseUpload(fileId)) {
|
|
this.setStatusOfFile(fileId, 'paused');
|
|
} else {
|
|
throw new Error(getLangText('File upload could not be paused.'));
|
|
}
|
|
},
|
|
|
|
handleResumeFile(fileId) {
|
|
if(this.state.uploader.continueUpload(fileId)) {
|
|
this.setStatusOfFile(fileId, 'uploading');
|
|
} else {
|
|
throw new Error(getLangText('File upload could not be resumed.'));
|
|
}
|
|
},
|
|
|
|
handleUploadFile(files) {
|
|
// While files are being uploaded, the form cannot be ready
|
|
// for submission
|
|
this.props.setIsUploadReady(false);
|
|
|
|
// If multiple set and user already uploaded its work,
|
|
// cancel upload
|
|
if(!this.props.multiple && this.state.filesToUpload.filter(displayValidFilesFilter).length > 0) {
|
|
this.clearFileSelection();
|
|
return;
|
|
}
|
|
|
|
// Select only the submitted files that fit the file size and allowed extensions
|
|
files = this.selectValidFiles(files);
|
|
|
|
// if multiple is set to false and user drops multiple files into the dropzone,
|
|
// take the first one and notify user that only one file can be submitted
|
|
if(!this.props.multiple && files.length > 1) {
|
|
let tempFilesList = [];
|
|
tempFilesList.push(files[0]);
|
|
|
|
// replace filelist with first-element file list
|
|
files = tempFilesList;
|
|
// TOOD translate?
|
|
let notification = new GlobalNotificationModel(getLangText('Only one file allowed (took first one)'), 'danger', 10000);
|
|
GlobalNotificationActions.appendGlobalNotification(notification);
|
|
}
|
|
|
|
// As mentioned already in the propTypes declaration, in some instances we need to calculate the
|
|
// md5 hash of a file locally and just upload a txt file containing that hash.
|
|
//
|
|
// In the view this only happens when the user is allowed to do local hashing as well
|
|
// as when the correct method prop is present ('hash' and not 'upload')
|
|
if (this.props.enableLocalHashing && this.props.uploadMethod === 'hash') {
|
|
const convertedFilePromises = [];
|
|
let overallFileSize = 0;
|
|
|
|
// "files" is not a classical Javascript array but a Javascript FileList, therefore
|
|
// we can not use map to convert values
|
|
for(let i = 0; i < files.length; i++) {
|
|
// for calculating the overall progress of all submitted files
|
|
// we'll need to calculate the overall sum of all files' sizes
|
|
overallFileSize += files[i].size;
|
|
|
|
// also, we need to set the files' initial progress value
|
|
files[i].progress = 0;
|
|
|
|
// since the actual computation of a file's hash is an async task ,
|
|
// we're using promises to handle that
|
|
let hashedFilePromise = computeHashOfFile(files[i]);
|
|
convertedFilePromises.push(hashedFilePromise);
|
|
}
|
|
|
|
// To react after the computation of all files, we define the resolvement
|
|
// with the all function for iterables and essentially replace all original files
|
|
// with their txt representative
|
|
Q.all(convertedFilePromises)
|
|
.progress(({index, value: {progress, reject}}) => {
|
|
// hashing progress has been aborted from outside
|
|
// To get out of the executing, we need to call reject from the
|
|
// inside of the promise's execution.
|
|
// This is why we're passing (along with value) a function that essentially
|
|
// just does that (calling reject(err))
|
|
//
|
|
// In the promises catch method, we're then checking if the interruption
|
|
// was due to that error or another generic one.
|
|
if(this.state.hashingProgress === -1) {
|
|
reject(new Error(getLangText('Hashing canceled')));
|
|
}
|
|
|
|
// update file's progress
|
|
files[index].progress = progress;
|
|
|
|
// calculate weighted average for overall progress of all
|
|
// currently hashing files
|
|
let overallHashingProgress = 0;
|
|
for(let i = 0; i < files.length; i++) {
|
|
let filesSliceOfOverall = files[i].size / overallFileSize;
|
|
overallHashingProgress += filesSliceOfOverall * files[i].progress;
|
|
}
|
|
|
|
// Multiply by 100, since react-progressbar expects decimal numbers
|
|
this.setState({ hashingProgress: overallHashingProgress * 100});
|
|
})
|
|
.then((convertedFiles) => {
|
|
// clear hashing progress, since its done
|
|
this.setState({ hashingProgress: -2});
|
|
|
|
// actually replacing all files with their txt-hash representative
|
|
files = convertedFiles;
|
|
|
|
// routine for adding all the files submitted to fineuploader for actual uploading them
|
|
// to the server
|
|
this.state.uploader.addFiles(files);
|
|
this.synchronizeFileLists(files);
|
|
|
|
})
|
|
.catch((err) => {
|
|
// If the error is that hashing has been canceled, we want to display a success
|
|
// message instead of a danger message
|
|
let typeOfMessage = 'danger';
|
|
|
|
if(err.message === getLangText('Hashing canceled')) {
|
|
typeOfMessage = 'success';
|
|
this.setState({ hashingProgress: -2 });
|
|
} else {
|
|
// if there was a more generic error, we also log it
|
|
console.logGlobal(err);
|
|
}
|
|
|
|
let notification = new GlobalNotificationModel(err.message, typeOfMessage, 5000);
|
|
GlobalNotificationActions.appendGlobalNotification(notification);
|
|
});
|
|
|
|
// if we're not hashing the files locally, we're just going to hand them over to fineuploader
|
|
// to upload them to the server
|
|
} else {
|
|
if(files.length > 0) {
|
|
this.state.uploader.addFiles(files);
|
|
this.synchronizeFileLists(files);
|
|
}
|
|
}
|
|
},
|
|
|
|
// ReactFineUploader is essentially just a react layer around s3 fineuploader.
|
|
// However, since we need to display the status of a file (progress, uploading) as well as
|
|
// be able to execute actions on a currently uploading file we need to exactly sync the file list
|
|
// fineuploader is keeping internally.
|
|
//
|
|
// Unfortunately though fineuploader is not keeping all of a File object's properties after
|
|
// submitting them via .addFiles (it deletes the type, key as well as the ObjectUrl (which we need for
|
|
// displaying a thumbnail)), we need to readd them manually after each file that gets submitted
|
|
// to the dropzone.
|
|
// This method is essentially taking care of all these steps.
|
|
synchronizeFileLists(files) {
|
|
let oldFiles = this.state.filesToUpload;
|
|
let oldAndNewFiles = this.state.uploader.getUploads();
|
|
|
|
// Add fineuploader specific information to new files
|
|
for(let i = 0; i < oldAndNewFiles.length; i++) {
|
|
for(let j = 0; j < files.length; j++) {
|
|
if(oldAndNewFiles[i].originalName === files[j].name) {
|
|
oldAndNewFiles[i].progress = 0;
|
|
oldAndNewFiles[i].type = files[j].type;
|
|
oldAndNewFiles[i].url = URL.createObjectURL(files[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// and re-add fineuploader specific information for old files as well
|
|
for(let i = 0; i < oldAndNewFiles.length; i++) {
|
|
for(let j = 0; j < oldFiles.length; j++) {
|
|
|
|
// EXCEPTION:
|
|
//
|
|
// Files do not necessarily come from the user's hard drive but can also be fetched
|
|
// from Amazon S3. This is handled in onSessionRequestComplete.
|
|
//
|
|
// If the user deletes one of those files, then fineuploader will still keep it in his
|
|
// files array but with key, progress undefined and size === -1 but
|
|
// status === 'upload successful'.
|
|
// This poses a problem as we depend on the amount of files that have
|
|
// status === 'upload successful', therefore once the file is synced,
|
|
// we need to tag its status as 'deleted' (which basically happens here)
|
|
if(oldAndNewFiles[i].size === -1 && (!oldAndNewFiles[i].progress || oldAndNewFiles[i].progress === 0)) {
|
|
oldAndNewFiles[i].status = 'deleted';
|
|
}
|
|
|
|
if(oldAndNewFiles[i].originalName === oldFiles[j].name) {
|
|
oldAndNewFiles[i].progress = oldFiles[j].progress;
|
|
oldAndNewFiles[i].type = oldFiles[j].type;
|
|
oldAndNewFiles[i].url = oldFiles[j].url;
|
|
oldAndNewFiles[i].key = oldFiles[j].key;
|
|
}
|
|
}
|
|
}
|
|
|
|
// set the new file array
|
|
let filesToUpload = React.addons.update(this.state.filesToUpload, { $set: oldAndNewFiles });
|
|
|
|
this.setState({ filesToUpload }, () => {
|
|
// when files have been dropped or selected by a user, we want to propagate that
|
|
// information to the outside components, so they can act on it (in our case, because
|
|
// we want the user to define a thumbnail when the actual work is not renderable
|
|
// (like e.g. a .zip file))
|
|
if(typeof this.props.handleChangedFile === 'function') {
|
|
// its save to assume that the last file in `filesToUpload` is always
|
|
// the latest file added
|
|
this.props.handleChangedFile(this.state.filesToUpload.slice(-1)[0]);
|
|
}
|
|
});
|
|
},
|
|
|
|
render() {
|
|
const {
|
|
multiple,
|
|
areAssetsDownloadable,
|
|
areAssetsEditable,
|
|
enableLocalHashing,
|
|
fileClassToUpload,
|
|
fileInputElement: FileInputElement,
|
|
uploadMethod } = this.props;
|
|
|
|
const props = {
|
|
multiple,
|
|
areAssetsDownloadable,
|
|
areAssetsEditable,
|
|
enableLocalHashing,
|
|
uploadMethod,
|
|
fileClassToUpload,
|
|
onDrop: this.handleUploadFile,
|
|
filesToUpload: this.state.filesToUpload,
|
|
handleDeleteFile: this.handleDeleteFile,
|
|
handleCancelFile: this.handleCancelFile,
|
|
handlePauseFile: this.handlePauseFile,
|
|
handleResumeFile: this.handleResumeFile,
|
|
handleCancelHashing: this.handleCancelHashing,
|
|
dropzoneInactive: this.isDropzoneInactive(),
|
|
hashingProgress: this.state.hashingProgress,
|
|
allowedExtensions: this.getAllowedExtensions()
|
|
};
|
|
|
|
return (
|
|
<FileInputElement
|
|
ref="fileInput"
|
|
{...props} />
|
|
);
|
|
}
|
|
});
|
|
|
|
export default ReactS3FineUploader;
|