Sort activities on dashboard, clean up

app/controllers/dashboard_controller.rb

@@ -2,11 +2,20 @@ class DashboardController < ApplicationController
   before_action :require_login!
 
   def home
-    @user_organized = current_person.participants.includes(:activity).where(is_organizer: true)
-    @need_response = current_person.participants.includes(:activity).where(attending: nil)
-    @upcoming = current_person.activities.where('start > ?', DateTime.now).includes(:participants)
-    @upcoming = current_person.participants
-      .includes(:activity).joins(:activity)
-      .where("activities.start >= ?", DateTime.now)
+    @user_organized = current_person
+      .participants
+      .joins(:activity)
+      .where(is_organizer: true)
+      .order('activities.start ASC')
+    @need_response = current_person
+      .participants
+      .joins(:activity)
+      .where(attending: nil)
+      .order('activities.start ASC')
+    @upcoming = current_person
+      .participants
+      .joins(:activity)
+      .where('activities.start >= ?', DateTime.now)
+      .order('activities.start ASC')
   end
 end