def create_event
    curr_cid = params[:cal_id]

    #sets up @calendars
    user=User.find_by_id(session[:uid])
    cals = user.calendars
    h = Hash.new
    cals.each do |cal|
      h[cal.cname] = cal.id
    end
    @calendars = h
    invitees_all_correct=true

    if request.post?
      new_cid = params[:cal_id]
      new_event = user.events.build(:ename=>params[:eventName], :starttime=>DateTime.parse(params[:starts_at]), :endtime=>DateTime.parse(params[:ends_at]), :user_id=>session[:uid])
      inviteeArray = params[:invitees].split(',')
      wrong_invitees = ""
      if new_event.save #if all goes well in saving
        eid = new_event.id #get the eid of created event
        inviteeArray.each do |invitee|
          invitee_user = User.find_by_name(invitee)
          if invitee_user.nil? #if we cant find invitee in user table
            invitees_all_correct=false
            wrong_invitees << "#{invitee} "
          else #if we found invitee in user table
            if new_event.invite.nil? #if event has no invite object yet
              new_event.create_invite(:imessage=>params[:inviteMessage], :event_id=>eid)
            elsif new_event.invite.users.empty? || (invitee != user && !new_event.invite.users.include?(invitee_user)) # if no users invited yet, or if user is not owner and not invited yet, invite by creating new invite in Invites
              new_event.invite.users.create(:name=>invitee, :password=>invitee_user.password)
            else #if user is already invited
              invitees_all_correct=false
              wrong_invitees << "#{invitee} "
            end
          end
        end
        if invitees_all_correct #there was no problems with any invitee
          calendar = Calendar.find_by_id(new_cid)
          calendar.events << new_event
          redirect_to :action=>'show_calendar', :cal_id=>new_cid
        else #if someone had a problem
          wrong_invitees.strip
          redirect_to :action=>'show_calendar', :cal_id=>new_cid, :notice=> 'The following invited usernames are invalid/duplicates and invites were not sent: ' << wrong_invitees
        end
      else #if something breaks during saving
        redirect_to :action=>'create_event', :notice=>'An error has occurred.', :cal_id=>curr_cid
      end
    end
  end