controller

class MeritBadgeTrackersController < ApplicationController
  before_filter :tab_alias
  before_filter :can_manage_merit_badge_records
  before_filter :can_manage_merit_badge_records_required, :except => [:show, :index]
#  before_filter :allow_scout_run
  before_filter :user
  before_filter :scout_user_required
  
  def index
    
  end
  
  def destroy
    mbt = @user.merit_badge_trackers.find(params[:id])
    mbt.destroy
    @merit_badge_tracker_id = params[:id]
  end
  
  def new
    @merit_badge_tracker = @user.merit_badge_trackers.new
    @merit_badges = (MeritBadge.all - @user.merit_badges).map {|mb| [mb.name, mb.id]}
  end
  
  def create
    merit_badge = MeritBadge.find(params[:merit_badge_tracker][:merit_badge_id])
    @merit_badge_tracker = @user.get_or_create_merit_badge_tracker_for_merit_badge(merit_badge);
    @merit_badge_tracker.update_attributes(params[:merit_badge_tracker])
    @merit_badge_trackers = @user.merit_badge_trackers
  end
  
  def edit
    @merit_badge_tracker = @user.merit_badge_trackers.find(params[:id])
    @merit_badges = (MeritBadge.all - @user.merit_badges).map {|mb| [mb.name, mb.id]}
  end
  
  def update
    @merit_badge_tracker = @user.merit_badge_trackers.find(params[:id])
    unless @merit_badge_tracker.update_attributes(params[:merit_badge_tracker])
      render :partial => 'edit'
    end
  end
  
  def show
    @merit_badge_tracker = @user.merit_badge_trackers.find(params[:id])
  end
  
  def approve
    @merit_badge_tracker = @user.merit_badge_trackers.find(params[:id])
    @merit_badge_tracker.approved_on = Date.today
    @merit_badge_tracker.save
  end
  
  private
  
  def tab_alias
    #DEBT This should change once the user_profile controller is finally he dead
    @subheader_tab = "merit_badge";
  end
  
  def can_manage_merit_badge_records_required
    if @can_edit
      return true
    else
      flash[:notice] = "Sorry - you don't have permission to manage scout merit badge records"
      redirect_to user_dashboard_path
      return false
    end
  end
  
  def can_manage_merit_badge_records
    if @login_user.has_privilege?(MANAGE_MERIT_BADGES)
      @can_edit = true
    elsif @troop.let_scouts_edit and @login_user.is_scout?
      @can_edit = true
    else
      @can_edit = false
    end
  end
end

update.js

<%= render :partial => 'merit_badge_tracker', :locals => {:merit_badge_tracker => @merit_badge_tracker} %>