# all files / src/ Constants.js

65.57% Statements 40/61
75% Branches 6/8
51.72% Functions 15/29
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     /*jslint node: true */
    /*jshint laxbreak: true */
    "use strict";

    var _ = require('underscore');
    var Config = require('./config.json');

    var visualizationTypes = {
        basic: 'basic',
        variant: 'variant'
    };
    var uniprotSource = 'uniprot';
    var uniprotSources = [
        {
            url: 'https://www.ebi.ac.uk/proteins/api/features/',
            source: uniprotSource,
            category: 'FEATURES'
        },
        {
            url: 'https://www.ebi.ac.uk/proteins/api/proteomics/',
            source: uniprotSource,
            category: 'PROTEOMICS'
        },
        {
            url: 'https://www.ebi.ac.uk/proteins/api/variation/',
            source: uniprotSource,
            category: 'VARIATION'
        },
        {
            url: 'https://www.ebi.ac.uk/proteins/api/antigen/',
            source: uniprotSource,
            category: 'ANTIGEN'
        }
    ];
    var allSources = uniprotSources.slice(0);
    var externalSource;
    var allCategories = Config.categories;
    var allTrackNames = Config.trackNames;
    var downloadFormats = [{text: 'JSON', type: 'json', all: true}, {text: 'XML', type: 'xml', all: false},
        {text: 'GFF', type: 'gff', all: false}];
    var consequenceTypes = [];

    var Constants = function() {
      return {
        getBlastURL: function() {
            return 'http://www.uniprot.org/blast/?about=';
        },
        getNoBlastTypes: function() {
          return ['helix', 'strand', 'turn', 'disulfid', 'crosslnk', 'variant'];
        },
        getVisualizationTypes: function() {
            return visualizationTypes;
        },
        getDownloadFormats: function() {
            return downloadFormats;
        },
        getDataSources: function() {
          return allSources;
        },
        getUniProtDataSources: function() {
          return uniprotSources;
        },
        getExternalDataSource: function() {
          return externalSource;
        },
        getUniProtSource: function() {
          return uniprotSource;
        },
        addSource: function(source) {
            allSources.push(source);
            externalSource = source;
        },
        addConsequenceType: function(consequence) {
            consequenceTypes.push(consequence);
        },
        getConsequenceTypes: function() {
            return _.uniq(consequenceTypes);
        },
        clearDataSources: function() {
            allSources = [];
        },
        getCategoryNamesInOrder: function() {
            return allCategories;
        },
        setCategoryNamesInOrder: function(categories) {
            allCategories = categories;
        },
        setOrderForCategoryNames: function(categoryNames) {
            var orderedCategories = [];
            _.each(categoryNames, function(name) {
                var position = 0;
                var category = _.find(allCategories, function(cat, index) {
                    position = index;
                    return cat.name.toUpperCase() === name.toUpperCase();
                });
                if (category) {
                    orderedCategories.push(category);
                    allCategories.splice(position, 1);
                }
            });
            allCategories = orderedCategories.concat(allCategories);
        },
        convertNameToLabel: function(name) {
            var label = name.replace(/_/g, ' ');
            label = label.charAt(0).toUpperCase() + label.slice(1).toLowerCase();
            return label;
        },
        getCategoryInfo: function(categoryName) {
            var exist = _.find(allCategories, function(cat) {
                return cat.name === categoryName;
            });
            return exist ? exist
                : {name: categoryName, label: Constants.convertNameToLabel(categoryName),
                visualizationType: Constants.getVisualizationTypes().basic};
        },
        addCategories: function(categories) {
            var index = 0;
            _.each(categories, function (newCat) {
                var exist = _.find(allCategories, function(cat) {
                    return cat.name === newCat.name;
                });
                if (exist) {
                    exist.label = newCat.label;
                    exist.visualizationType = newCat.visualizationType;
                } else {
                    allCategories.splice(index, 0, newCat);
                    index++;
                }
            });
        },
        getTrackNames: function() {
          return allTrackNames;
        },
        setTrackNames: function(trackNames) {
            allTrackNames = trackNames;
        },
        addTrackTypes: function(tracksToAdd) {
            _.each(tracksToAdd, function(elem, key) {
                key = key.toLowerCase();
                allTrackNames[key] = elem;
            });
        },
        getTrackInfo: function(trackName) {
            var name = trackName.toLowerCase();
            return this.getTrackNames()[name] ? this.getTrackNames()[name]
                : {label: Constants.convertNameToLabel(name), tooltip:''};
        }
      };
    }();

    module.exports = Constants;