This repository has been archived by the owner on Apr 17, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 14
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
2 changed files
with
40 additions
and
61 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,68 +1,46 @@ | ||
| import * as Bluebird from 'bluebird'; | ||
|
|
||
| /** | ||
| * @param url | ||
| * @param fileId | ||
| */ | ||
| * @param url | ||
| * @param fileId | ||
| */ | ||
| export function downloadFileFromServer(url, fileId) { | ||
| window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, function(fs) { | ||
| console.info('file system open: ' + fs.name); | ||
| fs.root.getFile(fileId, { create: true, exclusive: false }, function(fileEntry) { | ||
| console.info('fileEntry is file? ' + fileEntry.isFile.toString()); | ||
| const oReq = new XMLHttpRequest(); | ||
| // Make sure you add the domain name to the Content-Security-Policy <meta> element. | ||
| oReq.open('GET', url + '/' + fileId, true); | ||
| // Define how you want the XHR data to come back | ||
| oReq.responseType = 'blob'; | ||
| oReq.onload = function(oEvent) { | ||
| const blob = oReq.response; // Note: not oReq.responseText | ||
| if (blob) { | ||
| // Create a URL based on the blob, and set an <img> tag's src to it. | ||
| const objUrl = window.URL.createObjectURL(blob); | ||
| // document.getElementById('bot-img').src = url; | ||
| // Or read the data with a FileReader | ||
| // var reader = new FileReader(); | ||
| // reader.addEventListener('loaded', function() { | ||
| // reader.result contains the contents of blob as text | ||
| // }); | ||
| // reader.readAsText(blob); | ||
| } else { | ||
| console.error('we didnt get an XHR response!'); | ||
| } | ||
| }; | ||
| oReq.send(null); | ||
| }, function(err) { console.error('error getting file! ' + err); }); | ||
| }, function(err) { console.error('error getting persistent fs! ' + err); }); | ||
| } | ||
| return new Bluebird<FileSystem>((resolve, reject) => window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, resolve, reject)) | ||
| .then(fs => new Bluebird<FileEntry>((resolve, reject) => | ||
| fs.root.getFile(fileId, { create: true, exclusive: false }, resolve, reject))) | ||
| .then(fileEntry => { | ||
| return fetch(url).then(response => response.blob()).then(blob => window.URL.createObjectURL(blob)); | ||
| }); | ||
| }; | ||
|
|
||
| /** | ||
| * Upload file using local file URI. Used for uploads on mobile devices (cordova based) | ||
| */ | ||
| export function uploadFile(url, fileURI) { | ||
| * Upload file using local file URI. Used for uploads on mobile devices (cordova based) | ||
| */ | ||
| export function uploadFile(url, fileURI): Promise<Response> { | ||
| if (arguments.length < 2) { | ||
| return Bluebird.reject('userId and fileURI parameters are required.'); | ||
| } else { | ||
| window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, function(fs) { | ||
| console.info('file system open: ' + fs.name); | ||
| // TODO support metadata here | ||
| fs.root.getFile(fileURI, { create: true, exclusive: false }, function(fileEntry) { | ||
| fileEntry.file(function(file) { | ||
| const reader = new FileReader(); | ||
| reader.onloadend = function() { | ||
| // Create a blob based on the FileReader 'result', which we asked to be retrieved as an ArrayBuffer | ||
| const blob = new Blob([new Uint8Array(this.result)], { type: 'image/png' }); | ||
| const oReq = new XMLHttpRequest(); | ||
| oReq.open('POST', url, true); | ||
| oReq.onload = function(oEvent) { | ||
| // all done! | ||
| }; | ||
| // Pass the blob in to XHR's send method | ||
| oReq.send(blob); | ||
| }; | ||
| // Read the file as an ArrayBuffer | ||
| reader.readAsArrayBuffer(file); | ||
| }, function(err) { console.error('error getting fileentry file!' + err); }); | ||
| }, function(err) { console.error('error getting file! ' + err); }); | ||
| }, function(err) { console.error('error getting persistent fs! ' + err); }); | ||
| } | ||
|
|
||
| return new Bluebird<FileSystem>((resolve, reject) => | ||
| window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, resolve, reject)) | ||
| .then(fs => new Bluebird<FileEntry>((resolve, reject) => | ||
| fs.root.getFile(fileURI, { create: false, exclusive: false }, resolve, reject))) | ||
| .then(fileEntry => new Bluebird<Response>(function(resolve, reject) { | ||
| fileEntry.file(function(file) { | ||
| const reader = new FileReader(); | ||
| reader.addEventListener("loadend", function() { | ||
| // Create a blob based on the FileReader 'result', which we asked to be retrieved as an ArrayBuffer | ||
| const blob = new Blob([new Uint8Array(this.result)], { type: 'image/jpg' }); | ||
| const data = new FormData(); | ||
| // data.append("other metadata", "Hello wtrocki!"); | ||
| data.append("file", blob); | ||
| return fetch(url, { | ||
| method: 'post', | ||
| body: data | ||
| }).then(resolve).catch(reject); | ||
| }); | ||
| // Read the file as an ArrayBuffer | ||
| reader.readAsArrayBuffer(file); | ||
| }, reject); | ||
| })); | ||
| } |