64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
app.factory('$utils', function() {
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return {
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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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// change time units
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changeTime: function(time) {
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time = parseInt(time);
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if (!time) return " infinite";
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if (time < 60) return time + " s";
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else if (time < 60*60) return (time/60).toFixed(2) + " min";
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else if (time < 60*60*24) return (time/(60*60)).toFixed(2) + " hours";
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else return (time/(60*60*24)).toFixed(2) + " days!";
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},
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// change length units
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changeLength: function(len, pref) {
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len = parseInt(len);
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if(len <= (1<<10)) return len + " " + pref;
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else if(len <= (1<<20)) return (len/(1<<10)).toFixed(1) + " K" + pref;
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else if(len <= (1<<30)) return (len/(1<<20)).toFixed(1) + " M" + pref;
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else return (len/(1<<30)).toFixed(1) + " G" + pref;
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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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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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