94 lines
3.0 KiB
JavaScript
94 lines
3.0 KiB
JavaScript
window.moonCoreDownloadService = {
|
|
download: async function (fileName, contentStreamReference, id, reportRef) {
|
|
const promise = new Promise(async resolve => {
|
|
const stream = await contentStreamReference.stream();
|
|
const reader = stream.getReader();
|
|
|
|
let lastReportTime = 0;
|
|
let receivedLength = 0; // Track downloaded size
|
|
let chunks = []; // Store downloaded chunks
|
|
|
|
while (true) {
|
|
const {done, value} = await reader.read();
|
|
if (done) break;
|
|
|
|
chunks.push(value);
|
|
receivedLength += value.length;
|
|
|
|
if (reportRef) {
|
|
const now = Date.now();
|
|
|
|
if (now - lastReportTime >= 500) { // Only log once per second
|
|
await reportRef.invokeMethodAsync("ReceiveReport", id, receivedLength, false);
|
|
lastReportTime = now;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Combine chunks into a single Blob
|
|
const blob = new Blob(chunks);
|
|
|
|
this.downloadBlob(fileName, blob);
|
|
|
|
if (reportRef)
|
|
await reportRef.invokeMethodAsync("ReceiveReport", id, receivedLength, true);
|
|
|
|
resolve();
|
|
});
|
|
|
|
await promise;
|
|
},
|
|
downloadUrl: async function (fileName, url, reportRef, id, headers) {
|
|
const promise = new Promise(async resolve => {
|
|
let loadRequest = new XMLHttpRequest();
|
|
let lastReported = Date.now();
|
|
|
|
loadRequest.open("GET", url, true);
|
|
|
|
for(let headerKey in headers) {
|
|
loadRequest.setRequestHeader(headerKey, headers[headerKey]);
|
|
}
|
|
|
|
loadRequest.responseType = "blob";
|
|
|
|
if (reportRef) {
|
|
loadRequest.onprogress = async ev => {
|
|
const now = Date.now();
|
|
|
|
if (now - lastReported >= 500) {
|
|
await reportRef.invokeMethodAsync("ReceiveReport", id, ev.loaded, false);
|
|
lastReported = now;
|
|
}
|
|
};
|
|
|
|
loadRequest.onloadend = async ev => {
|
|
await reportRef.invokeMethodAsync("ReceiveReport", id, ev.loaded, true);
|
|
}
|
|
}
|
|
|
|
loadRequest.onload = _ => {
|
|
this.downloadBlob(fileName, loadRequest.response);
|
|
|
|
resolve();
|
|
}
|
|
|
|
loadRequest.send();
|
|
});
|
|
|
|
await promise;
|
|
},
|
|
downloadBlob: function (fileName, blob)
|
|
{
|
|
const url = URL.createObjectURL(blob);
|
|
|
|
// Trigger file download
|
|
const anchor = document.createElement("a");
|
|
anchor.href = url;
|
|
anchor.download = fileName;
|
|
document.body.appendChild(anchor);
|
|
anchor.click();
|
|
|
|
document.body.removeChild(anchor);
|
|
URL.revokeObjectURL(url);
|
|
}
|
|
} |