Upload all code

services/authService.js

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+/* this service handles all the authentication between client and server */
+app.service('authService', function ($http) {
+    //  send a login information to server 
+    //  upon success, set sessionToken and store data in dataService
+    //  upon failed, return error 
+    this.username = ""; 
+    this.getUsername = function(){
+        return this.username;
+    }
+
+    this.setUsername = function(setTo){
+        this.username = setTo;
+    }
+});

services/chartService.js

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+/* this service handles all the authentication between client and server */
+app.service('chartService', function () {
+    //  send a login information to server 
+    //  upon success, set sessionToken and store data in dataService
+    //  upon failed, return error 
+    this.username = ""; 
+    this.getUsername = function(){
+        return this.username;
+    }
+
+    this.setUsername = function(setTo){
+        this.username = setTo;
+    }
+
+    
+    this.createChart = function(){
+        var ctx = document.getElementById("myChart");
+        var myChart = new Chart(ctx, {
+            type: 'line',
+            data: {
+                labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],
+                datasets: [{
+                    label: '# of Votes',
+                    data: [12, 19, 3, 5, 2, 3],
+                    backgroundColor: [
+                        'rgba(255, 99, 132, 0.2)',
+                        'rgba(54, 162, 235, 0.2)',
+                        'rgba(255, 206, 86, 0.2)',
+                        'rgba(75, 192, 192, 0.2)',
+                        'rgba(153, 102, 255, 0.2)',
+                        'rgba(255, 159, 64, 0.2)'
+                    ],
+                    borderColor: [
+                        'rgba(255,99,132,1)',
+                        'rgba(54, 162, 235, 1)',
+                        'rgba(255, 206, 86, 1)',
+                        'rgba(75, 192, 192, 1)',
+                        'rgba(153, 102, 255, 1)',
+                        'rgba(255, 159, 64, 1)'
+                    ],
+                    borderWidth: 1
+                }]
+            },
+            options: {
+            responsive: true,
+                scales: {
+                    yAxes: [{
+                        ticks: {
+                            beginAtZero:true
+                        }
+                    }]
+                }
+            }
+        });
+    }
+});

services/uploadReceiptService.js

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+/* this service handles receipt upload process */
+app.service('uploadReceiptService', function () {
+    this.uploadReceipt = function(){
+      console.log("Upload successful");
+    }
+});