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Simple demo of uploading file in chunks

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Simon Walton 2018-11-08 12:13:56 -08:00
parent 5e01314d85
commit 298c5efe69
1 changed files with 80 additions and 0 deletions
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80
domain-server/resources/web/content/js/content.js
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@ -14,6 +14,81 @@ $(document).ready(function(){
return html;
}
function uploadInChunks(file) {
var fileSize = file.size;
var filename = file.name;
var CHUNK_SIZE = 16384;
for(p = 0; p <= fileSize; p += CHUNK_SIZE) {
var chunk = file.slice(p, p + CHUNK_SIZE, file.type);
var chunkFormData = new FormData();
chunkFormData.append('restore-file-chunk', chunk, filename);
var ajaxParams = {
url: '/content/upload',
type: 'POST',
async: false,
timeout: 60,
processData: false,
contentType: false,
data: chunkFormData
};
var ajaxObject = $.ajax(ajaxParams);
}
}
function uploadNextChunk(file, offset)
{
var fileSize = file.size;
var filename = file.name;
var CHUNK_SIZE = 16384;
if (offset == undefined) {
offset = 0;
}
var isFinal = fileSize - offset > CHUNK_SIZE ? false : true;
var nextChunkSize = Math.min(fileSize - offset, CHUNK_SIZE);
var chunk = file.slice(offset, offset + CHUNK_SIZE, file.type);
var chunkFormData = new FormData();
var formItemName = isFinal ? 'restore-file-chunk-final' : 'restore-file-chunk';
chunkFormData.append(formItemName, chunk, filename);
var ajaxParams = {
url: '/content/upload',
type: 'POST',
timeout: 30000,
cache: false,
processData: false,
data: chunkFormData
};
var ajaxObject = $.ajax(ajaxParams);
ajaxObject.fail(function(jqXHR, textStatus, errorThrown) {
showErrorMessage(
"Error",
"There was a problem restoring domain content.\n"
+ "Please ensure that the content archive or entity file is valid and try again."
);
});
if (!isFinal) {
ajaxObject.done(function (data, textStatus, jqXHR)
{uploadNextChunk(file, offset + CHUNK_SIZE);});
} else {
ajaxObject.done(function(data, textStatus, jqXHR) {
isRestoring = true;
// immediately reload backup information since one should be restoring now
reloadBackupInformation();
swal.close();
});
}
}
function setupBackupUpload() {
// construct the HTML needed for the settings backup panel
var html = "<div class='form-group'><div id='" + UPLOAD_CONTENT_ALLOWED_DIV_ID + "'>";
@ -56,6 +131,11 @@ $(document).ready(function(){
showSpinnerAlert("Uploading content to restore");
uploadNextChunk(files[0]);
return;
// Previous one-upload method.
$.ajax({
url: '/content/upload',
type: 'POST',