import axios from 'axios'; import { createFile } from './files'; const textFileRegex = /(text\/|application\/json)/; const s3BucketHttps = `https://s3-us-west-2.amazonaws.com/${process.env.S3_BUCKET}/`; const ROOT_URL = process.env.API_URL; const MAX_LOCAL_FILE_SIZE = 80000; // bytes, aka 80 KB function localIntercept(file, options = {}) { return new Promise((resolve, reject) => { if (!options.readType) { // const mime = file.type; // const textType = a(_textTypes).any(type => { // const re = new RegExp(type); // return re.test(mime); // }); // options.readType = textType ? 'readAsText' : 'readAsDataURL'; options.readType = 'readAsText'; // eslint-disable-line } const reader = new window.FileReader(); reader.onload = () => { resolve(reader.result); }; reader.onerror = () => { reject(reader.result); }; // run the reader reader[options.readType](file); }); } export function dropzoneAcceptCallback(userId, file, done) { return () => { // for text files and small files // check mime type // if text, local interceptor if (file.type.match(textFileRegex) && file.size < MAX_LOCAL_FILE_SIZE) { localIntercept(file).then((result) => { file.content = result; // eslint-disable-line done('Uploading plaintext file locally.'); }) .catch((result) => { done(`Failed to download file ${file.name}: ${result}`); console.warn(file); }); } else { file.postData = []; // eslint-disable-line axios.post(`${ROOT_URL}/S3/sign`, { name: file.name, type: file.type, size: file.size, userId // _csrf: document.getElementById('__createPostToken').value }, { withCredentials: true }) .then((response) => { file.custom_status = 'ready'; // eslint-disable-line file.postData = response.data; // eslint-disable-line file.s3 = response.data.key; // eslint-disable-line file.previewTemplate.className += ' uploading'; // eslint-disable-line done(); }) .catch((response) => { file.custom_status = 'rejected'; // eslint-disable-line if (response.data.responseText && response.data.responseText.message) { done(response.data.responseText.message); } done('error preparing the upload'); }); } }; } export function dropzoneSendingCallback(file, xhr, formData) { return () => { if (!file.type.match(textFileRegex) || file.size >= MAX_LOCAL_FILE_SIZE) { Object.keys(file.postData).forEach((key) => { formData.append(key, file.postData[key]); }); formData.append('Content-type', ''); formData.append('Content-length', ''); formData.append('acl', 'public-read'); } }; } export function dropzoneCompleteCallback(file) { return (dispatch, getState) => { // eslint-disable-line if ((!file.type.match(textFileRegex) || file.size >= MAX_LOCAL_FILE_SIZE) && file.status !== 'error') { let inputHidden = '`; // document.getElementById('uploader').appendChild(inputHidden); document.getElementById('uploader').innerHTML += inputHidden; const formParams = { name: file.name, url: `${s3BucketHttps}${file.postData.key}` }; createFile(formParams)(dispatch, getState); } else if (file.content !== undefined) { const formParams = { name: file.name, content: file.content }; createFile(formParams)(dispatch, getState); } }; }