rails-caf/app/controllers/cafs_controller.rb

class CafsController < ApplicationController
  before_action :set_caf, only: %i[ show edit update destroy ]
  before_action :set_company

  # GET /cafs or /cafs.json
  def index
    @cafs = Caf.all
  end

  # GET /cafs/1 or /cafs/1.json
  def show
  end

  # GET /cafs/new
  def new
    @caf = Caf.new
  end

  # GET /cafs/1/edit
  def edit
  end

  # POST /cafs or /cafs.json
  def create
    @caf = Caf.new(caf_params)

    respond_to do |format|
      if @caf.save
        format.html { redirect_to company_caf_url(@caf.company_id,@caf.id), notice: "Caf was successfully created." }
        format.json { render :show, status: :created, location: @caf }
      else
        format.html { render :new, status: :unprocessable_entity }
        format.json { render json: @caf.errors, status: :unprocessable_entity }
      end
    end
  end

  # PATCH/PUT /cafs/1 or /cafs/1.json
  def update
    respond_to do |format|
      if @caf.update(caf_params)
        format.html { redirect_to caf_url(@caf), notice: "Caf was successfully updated." }
        format.json { render :show, status: :ok, location: @caf }
      else
        format.html { render :edit, status: :unprocessable_entity }
        format.json { render json: @caf.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /cafs/1 or /cafs/1.json
  def destroy
    @caf.destroy

    respond_to do |format|
      format.html { redirect_to cafs_url, notice: "Caf was successfully destroyed." }
      format.json { head :no_content }
    end
  end

  private
    # Use callbacks to share common setup or constraints between actions.
    def set_caf
      @caf = Caf.find(params[:id])
    end

    def set_company
        @company = Company.find(params[:company_id])
    end

    # Only allow a list of trusted parameters through.
    def caf_params
      params.require(:caf).permit(:company_id, :name, :description)
    end
end