Fixed the helper errors that appeared, fixed #3

hourglass/client/main/main.js

@@ -4,11 +4,6 @@ import {
 
 import './main.html';
 
-Meteor.subscribe('schools');
-Meteor.subscribe('classes');
-Meteor.subscribe('work');
-Meteor.subscribe('users');
-
 var openValues = {
     "menu": "-25%",
     "options": "-20%"
@@ -178,9 +173,11 @@ Template.main.helpers({
         return "width:"+w.toString()+"px;height:"+h.toString()+"px;margin-left:"+-0.5*w.toString()+"px;margin-top:"+-0.5*h.toString()+"px";
     },
     work(value) {
+        if(Session.get("currentWork") === null) return;
     	return Session.get("currentReadableWork")[value];
     },
     workType() {
+        if(Session.get("currentWork") === null) return;
     	type = Session.get("currentWork").type;
     	if(type.includes("edit")) {
     		return;

hourglass/client/profile/profile.js

@@ -195,6 +195,7 @@ Template.profile.helpers({
         return Session.get("confirmText");
     },
     selectedClass(val) {
+        if(Session.get("selectedClass") === null) return;
         var usertype = ["moderators","banned"];
         var attribute = Session.get("selectClassId");
         var array = classes.findOne({_id:attribute});

hourglass/lib/router.js

@@ -1,7 +1,17 @@
-Router.route('/', function() {
+Router.route('/', {
+    waitOn: function() {
         if (!Meteor.userId()) {
             this.redirect('/login');
         } else {
+            return [
+                Meteor.subscribe('classes',this.params._id),
+                Meteor.subscribe('schools',this.params._id),
+                Meteor.subscribe('work',this.params._id),
+                Meteor.subscribe('users',this.params._id)
+            ];
+        }
+    },
+    action: function() { 
         this.render("main");
     }
 });
@@ -16,10 +26,20 @@ Router.route('/login', function() {
     }
 });
 
-Router.route('/profile', function() {
+Router.route('/profile', {
+    waitOn: function() {
         if (!Meteor.userId()) {
-        this.redirect("/login");
+            this.redirect('/login');
         } else {
+            return [
+                Meteor.subscribe('classes',this.params._id),
+                Meteor.subscribe('schools',this.params._id),
+                Meteor.subscribe('work',this.params._id),
+                Meteor.subscribe('users',this.params._id)
+            ];
+        }
+    },
+    action: function() { 
         this.render("profile");
     }
 });