controller.js

/**
 * Created by jeremyguiselin on 01/12/2017.
 */

 (function (angular) {
   "use strict";

   /**
    * @ngdoc controller
    * @name TennisDetailsController
    *
    * @description
    * Controller for all the predictions of a tennis league.
    *
    * @ngInject
    */
   function TennisDetailsController(
     $ionicHistory,
     $scope,
     $http,
     $ionicLoading,
     constantConfig
   ) {

     /**
     Scope variables
     **/

     $scope.locale = window.navigator.language.split('-')[0];
     $scope.pictureUrl = constantConfig.imgUrl;

     /**
     End Scope variables
     **/

     /**
     Static variables
     **/

     var self = this;
     var deregistrationCallbackList = [];

     /**
     End Static variables
     **/

     /**
     Scope functions
     **/

     $scope.isUndefined = function (value) {
       return typeof value === 'undefined' || value === null;
     };

     $scope.myGoBack = function() {
       $ionicHistory.goBack();
     };


     $scope.getPredictionClass = function (prediction, value) {
       var percentages = [
         prediction.prediction_win_first,
         prediction.prediction_win_second
       ];
       percentages.sort();
       if (percentages.indexOf(value) === 1) {
         return "main-prediction";
       }

       return '';