mirror of https://github.com/ascribe/onion.git
104 lines
3.8 KiB
JavaScript
104 lines
3.8 KiB
JavaScript
'use strict';
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import fineUploader from 'fineUploader';
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import MimeTypes from '../../constants/mime_types';
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// Re-export qq.status from FineUploader with an additional online
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// state that we use to keep track of files from S3.
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export const FileStatus = Object.assign({}, fineUploader.status, {
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ONLINE: 'online'
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});
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export const formSubmissionValidation = {
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/**
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* Returns a boolean if there has been at least one file uploaded
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* successfully without it being deleted or canceled.
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* @param {array of files} files provided by react fine uploader
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* @return {boolean}
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*/
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atLeastOneUploadedFile(files) {
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files = files.filter((file) => {
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return file.status !== FileStatus.DELETED &&
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file.status !== FileStatus.CANCELED &&
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file.status != FileStatus.UPLOADED_FAILED
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});
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if (files.length && files[0].status === FileStatus.UPLOAD_SUCCESSFUL) {
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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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/**
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* File submission for the form is optional, but if the user decides to submit a file
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* the form is not ready until there are no more files currently uploading.
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* @param {array of files} files files provided by react fine uploader
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* @return {boolean} [description]
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*/
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fileOptional(files) {
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const uploadingFiles = files.filter((file) => file.status === FileStatus.SUBMITTING);
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return uploadFiles.length === 0;
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}
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};
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/**
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* Filter function for filtering all deleted, canceled, and failed files
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* @param {object} file A file from filesToUpload that has status as a prop.
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* @return {boolean}
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*/
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export function displayValidFilesFilter(file) {
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return file.status !== FileStatus.DELETED &&
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file.status !== FileStatus.CANCELED &&
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file.status !== FileStatus.UPLOAD_FAILED;
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}
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/**
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* Filter function for filtering all files except for deleted, canceled, and failed files
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* @param {object} file A file from filesToUpload that has status as a prop.
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* @return {boolean}
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*/
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export function displayRemovedFilesFilter(file) {
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return file.status === FileStatus.DELETED ||
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file.status === FileStatus.CANCELED ||
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file.status === FileStatus.UPLOAD_FAILED;
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}
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/**
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* Filter function for which files to integrate in the progress process
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* @param {object} file A file from filesToUpload, that has a status as a prop.
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* @return {boolean}
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*/
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export function displayValidProgressFilesFilter(file) {
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return file.status !== FileStatus.DELETED &&
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file.status !== FileStatus.CANCELED &&
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file.status !== FileStatus.UPLOAD_FAILED &&
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file.status !== FileStatus.ONLINE;
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}
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/**
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* Fineuploader allows to specify the file extensions that are allowed to upload.
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* For our self defined input, we can reuse those declarations to restrict which files
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* the user can pick from his hard drive.
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*
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* Takes an array of file extensions (['pdf', 'png', ...]) and transforms them into a string
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* that can be passed into an html5 input via its 'accept' prop.
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* @param {array} allowedExtensions Array of strings without a dot prefixed
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* @return {string} Joined string (comma-separated) of the passed-in array
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*/
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export function transformAllowedExtensionsToInputAcceptProp(allowedExtensions) {
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// Get the mime type of the extension if it's defined or add a dot in front of the extension
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// This is important for Safari as it doesn't understand just the extension.
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const prefixedAllowedExtensions = allowedExtensions.map((ext) => {
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return MimeTypes[ext] || ('.' + ext);
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});
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// generate a comma separated list to add them to the DOM element
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// See: http://stackoverflow.com/questions/4328947/limit-file-format-when-using-input-type-file
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return prefixedAllowedExtensions.join(', ');
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}
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