94 lines
2.9 KiB
JavaScript
94 lines
2.9 KiB
JavaScript
window.moonCoreDownloadService = {
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download: async function (fileName, contentStreamReference, id, reportRef) {
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const promise = new Promise(async resolve => {
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const stream = await contentStreamReference.stream();
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const reader = stream.getReader();
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let lastReportTime = 0;
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let receivedLength = 0; // Track downloaded size
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let chunks = []; // Store downloaded chunks
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while (true) {
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const {done, value} = await reader.read();
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if (done) break;
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chunks.push(value);
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receivedLength += value.length;
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if (reportRef) {
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const now = Date.now();
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if (now - lastReportTime >= 500) { // Only log once per second
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await reportRef.invokeMethodAsync("ReceiveReport", id, receivedLength, -1, false);
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lastReportTime = now;
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}
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}
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}
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// Combine chunks into a single Blob
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const blob = new Blob(chunks);
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this.downloadBlob(fileName, blob);
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if (reportRef)
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await reportRef.invokeMethodAsync("ReceiveReport", id, receivedLength, -1, true);
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resolve();
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});
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await promise;
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},
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downloadUrl: async function (fileName, url, reportRef, id, headers) {
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const promise = new Promise(async resolve => {
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let loadRequest = new XMLHttpRequest();
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let lastReported = Date.now();
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loadRequest.open("GET", url, true);
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for(let headerKey in headers) {
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loadRequest.setRequestHeader(headerKey, headers[headerKey]);
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}
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loadRequest.responseType = "blob";
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if (reportRef) {
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loadRequest.onprogress = async ev => {
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const now = Date.now();
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if (now - lastReported >= 500) {
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await reportRef.invokeMethodAsync("ReceiveReport", id, ev.loaded, ev.total, false);
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lastReported = now;
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}
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};
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loadRequest.onloadend = async ev => {
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await reportRef.invokeMethodAsync("ReceiveReport", id, ev.loaded, ev.total, true);
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}
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}
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loadRequest.onload = _ => {
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this.downloadBlob(fileName, loadRequest.response);
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resolve();
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}
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loadRequest.send();
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});
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await promise;
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},
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downloadBlob: function (fileName, blob)
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{
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const url = URL.createObjectURL(blob);
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// Trigger file download
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const anchor = document.createElement("a");
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anchor.href = url;
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anchor.download = fileName;
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document.body.appendChild(anchor);
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anchor.click();
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document.body.removeChild(anchor);
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URL.revokeObjectURL(url);
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}
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} |