Add basic action for enterprise fee summary

app/controllers/spree/admin/reports/enterprise_fee_summary_report_controller.rb

@@ -0,0 +1,52 @@
+require "open_food_network/reports"
+require "order_management/reports/enterprise_fee_summary/parameters"
+require "order_management/reports/enterprise_fee_summary/report_service"
+require "order_management/reports/enterprise_fee_summary/renderers/csv_renderer"
+
+module Spree
+  module Admin
+    module Reports
+      class EnterpriseFeeSummaryReportController < BaseController
+        def index
+          return render_report_form if params[:report].blank?
+          return respond_to_invalid_parameters unless report_parameters.valid?
+
+          service = report_klass::ReportService.new(report_parameters, report_renderer_klass)
+          send_data service.render, filename: service.filename
+        end
+
+        private
+
+        def respond_to_invalid_parameters
+          flash[:error] = I18n.t("invalid_filter_parameters", scope: i18n_scope)
+          render_report_form
+        end
+
+        def i18n_scope
+          "order_management.reports.enterprise_fee_summary"
+        end
+
+        def render_report_form
+          render action: :index
+        end
+
+        def report_klass
+          OrderManagement::Reports::EnterpriseFeeSummary
+        end
+
+        def report_parameters
+          @report_parameters ||= report_klass::Parameters.new(params[:report])
+        end
+
+        def report_renderer_klass
+          case params[:report_format]
+          when "csv"
+            report_klass::Renderers::CsvRenderer
+          else
+            raise OpenFoodNetwork::Reports::UnsupportedReportFormatException
+          end
+        end
+      end
+    end
+  end
+end

app/views/spree/admin/reports/enterprise_fee_summary_report/index.html.haml

@@ -0,0 +1 @@
+= render "filters"

config/locales/en.yml

@@ -2700,6 +2700,7 @@ See the %{link} to find out more about %{sitename}'s features and to start using
               fee_calculated_on_transfer_through_name: "Fee Calc on Transfer Through"
               tax_category_name: "Tax Category"
               total_amount: "$$ SUM"
+        invalid_filter_parameters: "The filters you selected for this report are invalid."
 
   spree:
     # TODO: remove `email` key once we get to Spree 2.0

config/routes/spree.rb

@@ -25,6 +25,7 @@ Spree::Core::Engine.routes.prepend do
   match '/admin/reports/products_and_inventory' => 'admin/reports#products_and_inventory', :as => "products_and_inventory_admin_reports",  :via  => [:get, :post]
   match '/admin/reports/customers' => 'admin/reports#customers', :as => "customers_admin_reports",  :via  => [:get, :post]
   match '/admin/reports/xero_invoices' => 'admin/reports#xero_invoices', :as => "xero_invoices_admin_reports",  :via  => [:get, :post]
+  get "/admin/reports/enterprise_fee_summary", to: "admin/reports/enterprise_fee_summary_report#index", as: :enterprise_fee_summary_admin_reports
   match '/admin', :to => 'admin/overview#index', :as => :admin
   match '/admin/payment_methods/show_provider_preferences' => 'admin/payment_methods#show_provider_preferences', :via => :get
   put 'credit_cards/new_from_token', to: 'credit_cards#new_from_token'

lib/open_food_network/reports.rb

@@ -0,0 +1,5 @@
+module OpenFoodNetwork
+  module Reports
+    class UnsupportedReportFormatException < StandardError; end
+  end
+end

spec/controllers/spree/admin/reports/enterprise_fee_summary_report_controller_spec.rb

@@ -0,0 +1,49 @@
+require "spec_helper"
+
+describe Spree::Admin::Reports::EnterpriseFeeSummaryReportController, type: :controller do
+  let!(:admin) { create(:admin_user) }
+
+  let(:current_user) { admin }
+
+  before do
+    allow(controller).to receive(:spree_current_user) { admin }
+  end
+
+  describe "#index" do
+    context "when there are no parameters" do
+      it "renders the report form" do
+        get :index
+
+        expect(response).to be_success
+        expect(response).to render_template(view_template_path)
+      end
+    end
+
+    context "when the parameters are valid" do
+      it "sends the generated report in the correct format" do
+        get :index, report: { start_at: "2018-10-09 07:30:00" }, report_format: "csv"
+
+        expect(response).to be_success
+        expect(response.body).not_to be_blank
+        expect(response.header["Content-Type"]).to eq("text/csv")
+      end
+    end
+
+    context "when the parameters are invalid" do
+      it "renders the report form with an error" do
+        get :index, report: { start_at: "invalid date" }, report_format: "csv"
+
+        expect(flash[:error]).to eq(I18n.t("invalid_filter_parameters", scope: i18n_scope))
+        expect(response).to render_template(view_template_path)
+      end
+    end
+  end
+
+  def i18n_scope
+    "order_management.reports.enterprise_fee_summary"
+  end
+
+  def view_template_path
+    "spree/admin/reports/enterprise_fee_summary_report/index"
+  end
+end