General update to the helper functions used by different views

resources/views/scripts/helper-functions.blade.php

 //method to parse the data used for the timeline and package it to be displayed
-function create_timeline_evidences(data) {
+function create_timeline_evidences(data, unique) {
     var period = data.period;
     var interval = data.interval;
     var evidences = data.evidences;
@@ -15,6 +15,10 @@ function create_timeline_evidences(data) {
         for (var a = 0; a < agents.length; a++) {
             var filtered_ev = [];
             (bin === null) ? filtered_ev = [] : filtered_ev = bin.filter(ev => ev.label === agents[a].label);
+            if (unique == true) {
+                filtered_ev = filter_unique_ev(filtered_ev);
+            }
+            //console.log(filtered_ev);
             const timeline_evidence = {"label" : agents[a].label,
                 "amount" : filtered_ev.length,
                 "evidences" : filtered_ev,
@@ -25,6 +29,29 @@ function create_timeline_evidences(data) {
     return timeline_evidences;
 }
 
+//method for filtering unique evidences from an array of create_donut_evidences
+function filter_unique_ev(ev_array) {
+    //console.log(ev_array);
+    var unique_evs = [];
+    //check the format of the filtered_ev array and leave only last unique ones
+    for (var i = 0; i < ev_array.length; i++) {
+        if (unique_evs.length == 0) {
+            unique_evs.push(ev_array[i]);
+        } else {
+            const index = unique_evs.findIndex(e => _.isEqual(e.subject, ev_array[i].subject));
+            if (index > -1) {
+                if (ev_array[i].score > unique_evs[index]) {
+                    unique_evs[index] = ev_array[i];
+                }
+            } else {
+                unique_evs.push(ev_array[i]);
+            }
+        }
+    }
+    //console.log(unique_evs);
+    return unique_evs;
+}
+
 //method for counting number of evidences per agent in the database to be used by the donut chart
 function create_donut_evidences(data) {
     const donut_evidences = [];