user_controller.rb

def new
  @user = User.new
  @package = Package.all
end

def create
  @user = user.new(user_params)
  if @user.save
    redirect_to :action => ‘list’
  else
    @packages = Packages.all
    render :new
  end
end

def user_params
  params.require(:user).permit(:name, :phone, :package_id)
end

def list
  @user = user.all
end

def show
  @user = user.find(params[:id])
end

def update
  @user = user.find(params[:id]) 
    if @user.update_attributes(user_param)
    redirect_to :action => ‘show’, :id => @user
  else
    render :edit #that is if u have an edit action/view
  end
end

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

def delete
  user.find(params[:id]).destroy
  redirect_to :action => ‘list’
end