webui-aria2/js/ctrls/download.js

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app.controller('DownloadCtrl', [ '$scope', '$rpc', '$utils',
function(scope, rpc, utils) {
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scope.active = [], scope.waiting = [], scope.stopped = [];
// pause the download
// d: the download ctx
scope.pause = function(d) {
rpc.once('forcePause', [d.gid]);
}
// resume the download
// d: the download ctx
scope.resume = function(d) {
rpc.once('unpause', [d.gid]);
}
// remove the download,
// put it in stopped list if active,
// otherwise permanantly remove it
// d: the download ctx
scope.remove = function(d) {
var method = 'remove';
if (scope.getType(d) == 'stopped')
method = 'removeDownloadResult';
rpc.once(method, [d.gid]);
}
scope.restart = function(d) {
var uris =
_.chain(d.files).map(function(f) { return f.uris })
.filter(function(uris) { return uris.length })
.map(function(uris) {
return _.chain(uris)
.map(function(u) { return u.uri })
.uniq().value();
}).value();
if (uris.length > 0) {
rpc.once('removeDownloadResult', [d.gid], function() {
rpc.once('addUri', uris);
});
}
}
// start filling in the model of active,
// waiting and stopped download
rpc.subscribe('tellActive', [], function(data) {
console.log('got active data');
scope.$apply(function() {
utils.mergeMap(data[0], scope.active, scope.getCtx);
});
});
rpc.subscribe('tellWaiting', [0, 1000], function(data) {
scope.$apply(function() {
utils.mergeMap(data[0], scope.waiting, scope.getCtx);
});
});
rpc.subscribe('tellStopped', [0, 1000], function(data) {
scope.$apply(function() {
utils.mergeMap(data[0], scope.stopped, scope.getCtx);
});
});
// actual downloads used by the view
scope.getDownloads = function() {
return scope.active
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.concat(scope.waiting).concat(scope.stopped);
}
// convert the donwload form aria2 to once used by the view,
// minor additions of some fields and checks
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scope.getCtx = function(d, ctx) {
ctx = ctx || {};
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_.each([
'totalLength', 'completedLength', 'uploadLength', 'dir',
'pieceLength', 'downloadSpeed', 'uploadSpeed', 'files',
'status', 'gid', 'bitfield', 'numPieces', 'connections',
'bittorrent'
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], function(e) {
ctx[e] = d[e];
});
return ctx;
};
scope.canRestart = function(d) {
if (['active', 'paused'].indexOf(d.status) == -1
&& !d.bittorrent)
return true;
return false;
};
scope.hasStatus = function(d, status) {
return d.status == status;
};
// get time left for the download with
// current download speed,
// could be smarter by different heuristics
scope.getEta = function(d) {
return (d.totalLength-d.completedLength) / d.downloadSpeed;
}
// gets the progress in percentages
scope.getProgress = function(d) {
var percentage = (d.completedLength / d.totalLength)*100;
percentage = percentage.toFixed(2);
if(!percentage) percentage = 0;
return percentage;
};
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// gets a pretty name for the download
scope.getName = function(d) {
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if (d.bittorrent && d.bittorrent.info) {
return d.bittorrent.info.name;
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}
return utils.getFileName(
d.files[0].path || d.files[0].uris[0].uri
);
}
// gets the type for the download as classified by the aria2 rpc calls
scope.getType = function(d) {
var type = d.status;
if (type == "paused") type = "waiting";
if (["error", "removed", "complete"].indexOf(type) != -1)
type = "stopped";
return type;
};
}]);