notebook/app/controllers/equipment_controller.rb

class EquipmentController < ApplicationController
  before_filter :redirect_if_not_logged_in
  before_filter :require_ownership_of_equipment, :only => [:show, :edit, :destroy]

  def index
  	@equipment = Equipment.where(user_id: session[:user])
    
    if @equipment.size == 0
      @equipment = []
    end
    
		@equipment = @equipment.sort { |a, b| a.name.downcase <=> b.name.downcase }

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @equipment }
    end
  end

  def show
    @equipment = Equipment.find(params[:id])

    respond_to do |format|
      format.html # show.html.erb
      format.json { render json: @equipment }
    end
  end

  def new
    @equipment = Equipment.new

    respond_to do |format|
      format.html # new.html.erb
      format.json { render json: @equipment }
    end
  end

  def edit
    @equipment = Equipment.find(params[:id])
  end

  def create
    @equipment = Equipment.new(params[:equipment])
    @equipment.user_id = session[:user]

    respond_to do |format|
      if @equipment.save
        format.html { redirect_to @equipment, notice: 'Equipment was successfully created.' }
        format.json { render json: @equipment, status: :created, location: @equipment }
      else
        format.html { render action: "new" }
        format.json { render json: @equipment.errors, status: :unprocessable_entity }
      end
    end
  end

  def update
    @equipment = Equipment.find(params[:id])

    respond_to do |format|
      if @equipment.update_attributes(params[:equipment])
        format.html { redirect_to @equipment, notice: 'Equipment was successfully updated.' }
        format.json { head :no_content }
      else
        format.html { render action: "edit" }
        format.json { render json: @equipment.errors, status: :unprocessable_entity }
      end
    end
  end

  def destroy
    @equipment = Equipment.find(params[:id])
    @equipment.destroy

    respond_to do |format|
      format.html { redirect_to equipment_list_url }
      format.json { head :no_content }
    end
  end
end