asm-products/pay-it-forward

class PledgesController < ApplicationController
  before_action :set_pledge, only: :show

  # GET /pledge/id
  def show
    # session[:referrer_id] = # pledge of other user
  end

  # GET /pledge/new
  def new
    charity = Charity.find_by_id(params[:charity_id])
    return redirect_to charities_path if charity.nil?
    session[:pledge_form] = ActiveSupport::JSON.encode(PledgeForm.new(charity: charity))
  end

  # POST /pledge
  def create
    @pledge_form = PledgeForm.new(pledge_form_params.merge(user: current_user))

    respond_to do |format|
      if @pledge_form.save
        format.json { render json: { url: pledge_url(@pledge_form.pledge) }, status: :created }
      else
        format.json { render json: @pledge_form.errors.full_messages, status: :unprocessable_entity }
      end
    end
  end

  private

  def set_pledge
    @pledge = Pledge.find(params[:id])
  end

  def pledge_form_params
    params.require(:pledge_form).permit(:charity_id, :amount, :tip_percentage, :stripe_auth_token, :name, :email)
  end
end