77 lines
2.1 KiB
JavaScript
77 lines
2.1 KiB
JavaScript
angular.module('webui.services.utils', [])
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.factory('$utils', function() {
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return {
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getFileName: function(path) {
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var seed = path.split(/[/\\]/);
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return seed[seed.length - 1];
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},
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randStr: function() {
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var str = [];
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var hexDigits = "0123456789abcdef";
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for (var i = 0; i < 36; i++) {
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str[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
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}
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return str.join("");
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},
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// maps the array in place to the destination
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// arr, dest (optional): array
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// func: a merge mapping func, see ctrls/download.js
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mergeMap: function(arr, dest, func) {
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if (!dest) dest = [];
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for (i = 0; i < dest.length; i++) {
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if (i >= arr.length) {
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// remove the deleted downloads
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dest.splice(i, dest.length - arr.length);
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break;
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}
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if (!dest[i]) dest[i] = {};
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func(arr[i], dest[i]);
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}
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// insert newly created downloads
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while (i < arr.length) {
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dest.push(func(arr[i++]));
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}
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return dest;
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},
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// get download chunks from aria2 bitfield
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getChunksFromHex: function(bitfield, numOfPieces) {
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var chunks = [], len = 0, numPieces = parseInt(numOfPieces);
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if (!bitfield) return [];
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var totalDownloaded = 0;
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if (numPieces > 1) {
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var chunk_ratio = 1 / numPieces;
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var piecesProcessed = 0;
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for (var i = 0; i < bitfield.length; i++) {
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var hex = parseInt(bitfield[i], 16);
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for (var j = 1; j <= 4; j++) {
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var bit = hex & (1 << (4 - j));
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if (bit) totalDownloaded++;
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var prog = !!bit;
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if (len >= 1 && chunks[len - 1].show == prog) {
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chunks[len - 1].ratio += chunk_ratio;
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}
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else {
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chunks.push({
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ratio: chunk_ratio,
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show: prog
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});
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len++;
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}
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piecesProcessed++;
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if (piecesProcessed == numPieces)
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return chunks;
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}
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}
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}
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return chunks;
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}
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};
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});
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