public/js/models/DashboardModel.js
/** @constructor */
MusicXMLAnalyzer.DashboardModel = function(){
var that = {},
URL_GET_UPLOAD_IDS = "/dashboard/getUploadIds",
URL_GET_RESULT_IDS = "/dashboard/getResultIds",
URL_GET_RESULT_VALUE_BY_ID = "/dashboard/getResultValueById/",
uploadIds = null,
resultIds = null,
results = null,
tempInstruments = [],
/**
* Init function
* @function
* @public
*/
init = function(){
results = [];
loadUploadIds();
loadResultIds();
},
/**
* Adds log message
* @function
* @public
*
* @param {string} log message
*
*/
addLogMessage = function(msg) {
$(that).trigger('logMessage', [msg]);
},
/**
* Returns results
* @function
* @public
*
* @param {int} result id
*
* @return {array} the search results
*/
getResults = function(id) {
if (id === undefined) {
return results;
} else if (id === 'all') {
return results['all'];
} else {
var result = $.grep(results, function(e){ return e.id == id; });
return result[0];
}
},
/**
* Method loads ids of all uploads
* @function
* @public
*
*/
loadUploadIds = function() {
$.ajax({
url: URL_GET_UPLOAD_IDS,
success: _onLoadResults
});
},
/**
* Ajax callback for {@link loadUploadIds}
* @function
* @public
*
* @param {json} the returned data from ajax call
* @param {string} status message
* @param {jqXHR} the jqXHR object
*
*/
_onLoadResults = function(data, textStatus, jqXHR) {
if (data !== "empty") {
uploadIds = JSON.parse(data);
} else {
addLogMessage('No files uploaded! Click on upload to upload files.');
}
},
/**
* Method loads ids of all results
* @function
* @public
*
* @param {json} the json data from ajax call
*
*/
loadResultIds = function() {
$.ajax({
url: URL_GET_RESULT_IDS,
success: _onLoadResultIds
});
},
/**
* Ajax callback for {@link loadResultIds}
* @function
* @public
*
* @param {json} the returned data from ajax call
* @param {string} status message
* @param {jqXHR} the jqXHR object
*
*/
_onLoadResultIds = function(data, textStatus, jqXHR) {
if (data !== "empty") {
resultIds = JSON.parse(data);
for (var i = 0; i < resultIds.length; i++) {
loadResultById(resultIds[i]);
}
} else {
addLogMessage('Files not analyzed yet. Hang out ...');
window.location.href = '/upload-complete';
}
},
/**
* Method laads results by given id
* @function
* @public
*
* @param {int} the result id
*
*/
loadResultById = function(id) {
$.ajax({
url: URL_GET_RESULT_VALUE_BY_ID + id,
success: function (data, textStatus, jqXHR) {
_onLoadResultById(id, data, textStatus, jqXHR);
}
});
},
/**
* Ajax callback for {@link loadResultById}
* @function
* @public
*
* @param {int} id of result
* @param {json} the returned json data from ajax call
* @param {string} status message
* @param {jqXHR} the jqXHR object
*
*/
_onLoadResultById = function(id, data, textStatus, jqXHR) {
var seen = false;
for (var i = 0; i < results.length; i++) {
if (results[i].id == id) seen = i;
if (results[i].id === 'all') {
// clear merged results
results.splice(i, 1);
}
}
if (seen) {
results[seen] = { id: id, value: JSON.parse(data) };
} else {
results.push({ id: id, value: JSON.parse(data) });
}
if (results.length == resultIds.length) {
// merge results
mergedValues = _mergeResults(results);
results['all'] = { id: 'all', value: mergedValues };
$(that).trigger('model_ready', [ results ]);
}
},
/**
* Method merges all retrieved results for overall statistics
* @function
* @public
*
* @param {array} the array containing the results for every single upload
*
*/
_mergeResults = function(resultsArr) {
mergedArr = {
artist: [],
clef: null,
count_measures: 0.0,
count_notes: 0.0,
count_rests: 0.0,
instruments: [],
intervals: [
{ label: "Perfect unison", value: 0 },
{ label: "Minor second", value: 0 },
{ label: "Major second", value: 0 },
{ label: "Minor third", value: 0 },
{ label: "Major third", value: 0 },
{ label: "Perfect fourth", value: 0 },
{ label: "Tritone", value: 0 },
{ label: "Perfect fifth", value: 0 },
{ label: "Minor sixth", value: 0 },
{ label: "Major sixth", value: 0 },
{ label: "Minor seventh", value: 0 },
{ label: "Major seventh", value: 0 },
{ label: "Perfect octave", value: 0 },
{ label: "Minor ninth", value: 0 },
{ label: "Major ninth", value: 0 },
{ label: "Minor tenth", value: 0 },
{ label: "Major tenth", value: 0 },
{ label: "Perfect eleventh", value: 0 },
{ label: "Augmented eleventh", value: 0 },
{ label: "Perfect twelfth", value: 0 },
{ label: "Minor thirteenth", value: 0 },
{ label: "Major thirteenth", value: 0 },
{ label: "Minor fourteenth", value: 0 },
{ label: "Major fourteenth", value: 0 },
{ label: "Double octave", value: 0 },
{ label: "Dbl. oct. + Min. 2nd", value: 0 },
{ label: "Dbl. oct. + Maj. 2nd", value: 0 },
{ label: "Dbl. oct. + Min. 3rd", value: 0 },
{ label: "Dbl. oct. + Maj. 3rd", value: 0 },
{ label: "Dbl. oct. + Perfect 4th", value: 0 },
{ label: "Dbl. oct. + Tritone", value: 0 },
{ label: "Dbl. oct. + Perfect 5th", value: 0 },
{ label: "Dbl. oct. + Min. 6th", value: 0 },
{ label: "Dbl. oct. + Maj. 6th", value: 0 },
{ label: "Unknown", value: 0 }
],
key: [
{ label: "C major", value: 0 },
{ label: "G major", value: 0 },
{ label: "D major", value: 0 },
{ label: "A major", value: 0 },
{ label: "E major", value: 1 },
{ label: "H major", value: 0 },
{ label: "F sharp major", value: 0 },
{ label: "C sharp major", value: 0 },
{ label: "F major", value: 0 },
{ label: "B major", value: 0 },
{ label: "Es major", value: 0 },
{ label: "As major", value: 0 },
{ label: "D flat major", value: 0 },
{ label: "G flat major", value: 0 },
{ label: "C flat major", value: 0 },
{ label: "A minor", value: 0 },
{ label: "E minor", value: 0 },
{ label: "H minor", value: 0 },
{ label: "F sharp minor", value: 0 },
{ label: "C sharp minor", value: 0 },
{ label: "G sharp minor", value: 0 },
{ label: "D sharp minor", value: 0 },
{ label: "A sharp minor", value: 0 },
{ label: "D minor", value: 0 },
{ label: "G minor", value: 0 },
{ label: "C minor", value: 0 },
{ label: "F minor", value: 0 },
{ label: "B minor", value: 0 },
{ label: "E flat minor", value: 0 },
{ label: "A flat minor", value: 0 },
{ label: "Unknown", value: 0 }
],
meter: [],
most_frequent_note: '',
note_distribution: [
{ label: "B", value: 0 },
{ label: "C", value: 0 },
{ label: "D", value: 0 },
{ label: "Eb", value: 0 },
{ label: "F", value: 0 },
{ label: "D#", value: 0 },
{ label: "E", value: 0 },
{ label: "F#", value: 0 },
{ label: "G", value: 0 },
{ label: "A", value: 0 },
{ label: "Bb", value: 0 },
{ label: "C#", value: 0 },
{ label: "A#", value: 0 },
{ label: "E#", value: 0 },
{ label: "Db", value: 0 },
{ label: "Gb", value: 0 },
{ label: "G#", value: 0 },
{ label: "Cb", value: 0 },
{ label: "Ab", value: 0 },
{ label: "Unknown", value: 0 }
],
note_types: [
{ label: "whole", value: 0 },
{ label: "half", value: 0 },
{ label: "quarter", value: 0 },
{ label: "eighth", value: 0 },
{ label: "16th", value: 0 },
{ label: "32nd", value: 0 },
{ label: "64th", value: 0 },
{ label: "Unknown", value: 0 }
],
title: []
}
addLogMessage('Calculating overall statistics ...');
for (var i = 0; i < resultsArr.length; i++) {
// merge artists
mergedArr.artist.push(resultsArr[i].value.artist[0]);
// merge clefs
// ToDo: merge clefs
// merge counted measures
mergedArr.count_measures += parseFloat(resultsArr[i].value.count_measures);
// merge counted notes
mergedArr.count_notes += parseFloat(resultsArr[i].value.count_notes);
// merge counted rests
mergedArr.count_rests += parseFloat(resultsArr[i].value.count_rests);
//merge instruments
//mergedArr.instruments = mergedArr.instruments.concat(resultsArr[i].value.instruments);
for(var x = 0; x < resultsArr[i].value.instruments.length; x++){
tempInstruments.push(resultsArr[i].value.instruments[x]);
}
// merge counted intervals
for (var intervalCounter = 0; intervalCounter < resultsArr[i].value.intervals.length; intervalCounter++) {
mergedArr.intervals[intervalCounter].value += resultsArr[i].value.intervals[intervalCounter].value;
}
// merge keys
for (var keyCounter = 0; keyCounter < resultsArr[i].value.key.length; keyCounter++) {
mergedArr.key[keyCounter].value += resultsArr[i].value.key[keyCounter].value;
}
// merge meter
if (!mergedArr.meter.length) {
mergedArr.meter.push({ label: resultsArr[i].value.meter, value: 1 });
} else {
var found = false;
for (var meterCounter = 0; meterCounter < mergedArr.meter.length; meterCounter++) {
if (mergedArr.meter[meterCounter].label == resultsArr[i].value.meter) {
found = true;
mergedArr.meter[meterCounter].value++;
break;
}
}
if (!found) {
mergedArr.meter.push({ label: resultsArr[i].value.meter, value: 1 });
}
}
// merge note distributions
for (var noteCounter = 0; noteCounter < resultsArr[i].value.note_distribution.length; noteCounter++) {
mergedArr.note_distribution[noteCounter].value += resultsArr[i].value.note_distribution[noteCounter].value;
}
// merge note types
for (var typeCounter = 0; typeCounter < resultsArr[i].value.note_types.length; typeCounter++) {
mergedArr.note_types[typeCounter].value += resultsArr[i].value.note_types[typeCounter].value;
}
// merge titles
mergedArr.title.push(resultsArr[i].value.title[0]);
}
var seen = {};
var out = [];
var len = tempInstruments.length;
var j = 0;
for(var i = 0; i < len; i++) {
var item = tempInstruments[i];
if(seen[item] !== 1) {
seen[item] = 1;
out[j++] = item;
}
}
for(var i = 0; i < out.length; i++){
mergedArr.instruments = mergedArr.instruments.concat(out[i]);
};
// calculate most frequent note
mostFrequentNoteIndex = -1;
mostFrequentNoteValue = -1;
for (var mostFrequentNoteCounter = 0; mostFrequentNoteCounter < mergedArr.note_distribution.length; mostFrequentNoteCounter++) {
if (mergedArr.note_distribution[mostFrequentNoteCounter].value > mostFrequentNoteValue) {
mostFrequentNoteIndex = mostFrequentNoteCounter;
mostFrequentNoteValue = mergedArr.note_distribution[mostFrequentNoteCounter].value;
}
}
mergedArr.most_frequent_note = mergedArr.note_distribution[mostFrequentNoteIndex].label;
return mergedArr;
};
that.init = init;
that.loadUploadIds = loadUploadIds;
that.getResults = getResults;
return that;
}