Class: Spree::Api::V2::Tenant::PricingPreviewsController

Inherits:
BaseController
  • Object
show all
Defined in:
app/controllers/spree/api/v2/tenant/pricing_previews_controller.rb

Instance Method Summary collapse

Methods inherited from BaseController

#render_serialized_payload, #require_tenant, #scope

Instance Method Details

#index ⇒ Object

GET /api/v2/tenant/pricing_previews



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# File 'app/controllers/spree/api/v2/tenant/pricing_previews_controller.rb', line 7

def index
  permitted_preview_params = params.permit(SpreeCmCommissioner::PricingModels::OrderContext::PREVIEW_PERMITTED_PARAMS)
  order_context = SpreeCmCommissioner::PricingModels::OrderContext.load!(
    permitted_preview_params[:order_context]&.merge(tenant_id: current_tenant.id)
  )

  pricing_models_updated_at = SpreeCmCommissioner::PricingModel.joins(:vendor)
                                                               .where(spree_vendors: { tenant_id: current_tenant.id })
                                                               .maximum(:updated_at)
  cache_key = 'pricing:preview:v2:' \
              "#{Digest::SHA256.hexdigest(permitted_preview_params.to_json)}:" \
              "#{pricing_models_updated_at.to_i}"

  cached_result = Rails.cache.fetch(cache_key, expires_in: 60.seconds) do
    result = SpreeCmCommissioner::PricingModels::Preview.call(order_context: order_context)

    if result.success?
      {
        success: true,
        payload: serialize_resource(result.value[:pricing_preview]).as_json
      }
    else
      {
        success: false,
        error: result.error.to_s
      }
    end
  end

  if cached_result[:success]
    render_serialized_payload { cached_result[:payload] }
  else
    render_error_payload(cached_result[:error], 422)
  end
rescue ArgumentError => e
  render_error_payload(e.message, 422)
end