bike-database/app/controllers/bikes_controller.rb

class BikesController < ApplicationController
  before_action :set_bike, only: [:show, :edit, :update, :destroy]
  before_action :authenticate_user!

  def index
    @bikes = Bike.all
    @unsold_bikes = @bikes.select{ |bike|
      !bike.date_sold &&
      (bike.purpose == "Sale")
    }
  end

  def show
  end

  def new
    @bike = Bike.new
    @log_number = Bike.order(:log_number).last.log_number + 1
  end

  def edit
  end

  def print_select
    @bikes = Bike.all
  end

  def print_labels
    bike_ids = print_params.map{|key, value| key if value == "1"}.compact
    @bikes = Bike.find(bike_ids)
  end

  def create
    @bike = Bike.new(bike_params)
    if @bike.save
      redirect_to @bike, notice: 'Bike was successfully created.'
    else
      render action: 'new'
    end
  end

  def update
    if @bike.update(bike_params)
      redirect_to @bike, notice: 'Bike was successfully updated.'
    else
      render action: 'edit'
    end
  end

  def destroy
    @bike.destroy
    redirect_to bikes_url
  end

  def mark_as_sold
    current_date = Time.new.strftime("%Y-%m-%d") 
    @bike = Bike.find(params[:id])
    if @bike.update_attribute(:date_sold, current_date)
      redirect_to bikes_url, notice: @bike.name + ' was marked as sold on ' + current_date + '.'
    else
      render action: edit, notice: 'Bike sale date could not be updated' 
    end
  end

  def mark_picked_up
    @bike = Bike.find(params[:id])
    @bike.mark_picked_up
    flash[:notice] = @bike.name + ' was marked as picked up'
    redirect_to action: "ready_for_pickup", controller: "freecyclery"
  end

  private
    def set_bike
      @bike = Bike.find(params[:id])
    end

    def bike_params
      params.require(:bike).permit(
        :entry_date,
        :brand,
        :model,
        :bike_type,
        :color,
        :log_number,
        :purpose,
        :serial_number,
        :notes,
        :tag_info,
        :mechanic,
        :completion_date,
        :price,
        :top_tube_size,
        :seat_tube_size,
        :new_parts,
        :work_done,
        :date_sold,
        :created_at,
        :updated_at)
    end

    def print_params
      params.require(:print_bikes)
    end
end