Move Qa reports to Reports section

https://trello.com/c/wW22FQob/206-move-qa-csv-button-to-the-reports-section

app/controllers/system_admin/applicants_controller.rb

@@ -21,19 +21,6 @@ def index
       session[:application_ids] = results.map(&:id)
     end
 
-    def download_qa_csv
-      status = session[:filter_status]
-      application_ids = session[:application_ids]
-
-      applications = Application.where(id: application_ids).reject(&:qa?)
-
-      applications.each(&:mark_as_qa!)
-
-      report = Reports::QaReport.new(applications, status)
-      create_audit(action: "Downloaded QA CSV report (#{status.humanize})")
-      send_data(report.csv, filename: report.name)
-    end
-
     def duplicates
       @pagy, @duplicates = pagy(DuplicateApplication.search(params[:search]).select("DISTINCT ON (urn) *"))
     end

app/controllers/system_admin/reports_controller.rb

@@ -3,22 +3,16 @@ class ReportsController < AdminController
     def index; end
 
     def show
-      report = find_report(params[:id])
-      create_audit(action: "Downloaded #{report.class.to_s.capitalize} report")
+      service = Report.call(params[:id], **report_params)
+      create_audit(action: "Downloaded #{service.report_name} report")
 
-      # TODO: Execute report is background job
-      send_data(report.csv, filename: report.name)
+      send_data(service.data, filename: service.filename)
     end
 
   private
 
-    def find_report(report_id)
-      {
-        home_office: Reports::HomeOffice.new,
-        standing_data: Reports::StandingData.new,
-        payroll: Reports::Payroll.new,
-        applications: Reports::Applications.new,
-      }.with_indifferent_access.fetch(report_id)
+    def report_params
+      params.permit(:id, :status)
     end
   end
 end

app/helpers/application_helper.rb

@@ -20,4 +20,18 @@ def mailto_irp_express_interest
   def banner_feedback_form
     govuk_link_to("feedback", "https://forms.office.com/e/p45Wm1Vmxg", target: "_blank")
   end
+
+  def application_statuses
+    ApplicationProgress
+      .statuses
+      .keys
+      .map { |status| [status.humanize, status] }
+  end
+
+  def application_statuses_options(selected: nil, all_statuses: false)
+    statuses = application_statuses
+    statuses = application_statuses.unshift(["All statuses", ""]) if all_statuses
+
+    options_for_select(statuses, selected:)
+  end
 end

app/services/report.rb

@@ -0,0 +1,61 @@
+class Report
+  REGISTERED_REPORTS = {
+    home_office: Reports::HomeOffice,
+    standing_data: Reports::StandingData,
+    payroll: Reports::Payroll,
+    applications: Reports::Applications,
+    qa: Reports::QaReport,
+  }.freeze
+
+  def self.call(...)
+    service = new(...)
+    service.data
+    service
+  end
+
+  def initialize(report_id, **kwargs)
+    @kwargs = kwargs&.symbolize_keys || {}
+    @report_class = REGISTERED_REPORTS.with_indifferent_access.fetch(report_id)
+  rescue KeyError
+    raise(ArgumentError, "Invalid report id #{report_id}")
+  end
+
+  def report_name
+    report_class.to_s.capitalize
+  end
+
+  def filename
+    report.name
+  end
+
+  def data
+    report.csv
+  end
+
+private
+
+  attr_reader :report_class, :kwargs
+
+  def report
+    return @report if @report
+    return @report = report_class.new(*report_args) if report_args
+
+    @report = report_class.new
+  end
+
+  def report_args
+    return qa_report_args if report_class == Reports::QaReport
+
+    nil
+  end
+
+  def qa_report_args
+    return @qa_report_args if @qa_report_args
+
+    status = kwargs.fetch(:status)
+    applications = Application.filter_by_status(status).reject(&:qa?)
+    applications.each(&:mark_as_qa!)
+
+    @qa_report_args = [applications, status]
+  end
+end

app/views/system_admin/applicants/index.html.erb

@@ -1,16 +1,11 @@
-<% statuses = options_for_select(
-        ApplicationProgress.statuses.keys.map { |status| [status.humanize, status] }.unshift(['All statuses', '']),
-        selected: params[:status]
-      )
-%>
 <%= form_with(url: applicants_path, method: :get, id: :search) do |f| %>
   <div class="full-width">
     <%= f.govuk_text_field :search, value: params[:search], label: { text: 'Search' }, hint: { text: 'Search by name, email, passport number or unique reference number (URN)' } %>
   </div>
 
   <div class="row">
     <div class="column">
-      <%= f.govuk_select :status, statuses, label: { text: "Filter by application status" } %>
+      <%= f.govuk_select :status, application_statuses_options(selected: params[:status], all_statuses: true), label: { text: "Filter by application status" } %>
     </div>
 
     <div class="column">
@@ -25,9 +20,6 @@
   <div class="full-width">
     <%= f.govuk_submit 'Search', secondary: true %>
   </div>
-  <% if session[:filter_status].present? %>
-    <%= link_to "Download QA CSV", download_qa_csv_applicants_path, class: "govuk-button" %>
-  <% end %>
 <% end %>
 
 <%= govuk_table(classes: "applicants-table") do |table|

app/views/system_admin/reports/index.html.erb

@@ -38,3 +38,23 @@
     <%= link_to "Download", report_path(:applications), class: "govuk-button" %>
   </p>
 </div>
+
+<div class="applications-qa">
+  <h2 class="govuk-heading-m">QA reports</h2>
+  <p class="govuk-body">
+    Download a QA CSV file
+  </p>
+  <p>
+
+    <%= form_with(url: report_path(:qa), method: :get) do |f| %>
+    <div class="row">
+      <div class="column">
+        <%= f.govuk_select :status, application_statuses_options, label: { text: "Filter by application status" } %>
+      </div>
+      <div class="full-width">
+        <%= f.govuk_submit 'Download', class: "govuk-button"%>
+      </div>
+    </div>
+    <% end %>
+  </p>
+</div>

spec/features/admin_console/reports_spec.rb

@@ -29,6 +29,22 @@
     then_the_payroll_data_csv_report_is_downloaded
   end
 
+  it "exports Application CSV" do
+    given_i_am_signed_as_an_admin
+    when_i_am_in_the_reports_page
+    and_i_click_on_the_applications_csv_link
+
+    then_the_applications_csv_report_is_downloaded
+  end
+
+  it "exports Qa report CSV" do
+    given_i_am_signed_as_an_admin
+    when_i_am_in_the_reports_page
+    and_i_click_on_the_qa_report_csv_button
+
+    then_the_qa_report_csv_report_is_downloaded
+  end
+
 private
 
   def then_the_standing_data_csv_report_is_downloaded
@@ -49,6 +65,18 @@ def then_the_payroll_data_csv_report_is_downloaded
     expect(page.response_headers["Content-Disposition"]).to match(/filename="Payroll-Report.*/)
   end
 
+  def then_the_applications_csv_report_is_downloaded
+    expect(page.response_headers["Content-Type"]).to match(/text\/csv/)
+    expect(page.response_headers["Content-Disposition"]).to include "attachment"
+    expect(page.response_headers["Content-Disposition"]).to match(/filename="Applications-Report.*/)
+  end
+
+  def then_the_qa_report_csv_report_is_downloaded
+    expect(page.response_headers["Content-Type"]).to match(/text\/csv/)
+    expect(page.response_headers["Content-Disposition"]).to include "attachment"
+    expect(page.response_headers["Content-Disposition"]).to match(/filename="QA-Report-initial_checks*/)
+  end
+
   def and_i_click_on_the_home_office_csv_link
     within ".home-office" do
       click_on "Download"
@@ -67,6 +95,18 @@ def and_i_click_on_the_payroll_data_csv_link
     end
   end
 
+  def and_i_click_on_the_applications_csv_link
+    within ".applications" do
+      click_on "Download"
+    end
+  end
+
+  def and_i_click_on_the_qa_report_csv_button
+    within ".applications-qa" do
+      click_on "Download"
+    end
+  end
+
   def when_i_am_in_the_reports_page
     visit reports_path
   end

spec/services/report_spec.rb

@@ -0,0 +1,76 @@
+require "rails_helper"
+
+RSpec.describe Report do
+  subject(:report) { described_class }
+
+  describe "registered reports" do
+    subject(:registered_reports) { described_class::REGISTERED_REPORTS }
+
+    let(:expected_ids) do
+      %i[home_office standing_data payroll applications qa]
+    end
+
+    let(:expected_classes) do
+      [
+        Reports::HomeOffice,
+        Reports::StandingData,
+        Reports::Payroll,
+        Reports::Applications,
+        Reports::QaReport,
+      ]
+    end
+
+    it { expect(registered_reports.keys).to match_array(expected_ids) }
+    it { expect(registered_reports.values).to match_array(expected_classes) }
+  end
+
+  describe ".call" do
+    subject(:service) { described_class.new(report_id, status:) }
+
+    let(:report_id) { "qa" }
+    let(:status) { "initial_checks" }
+
+    context "report_name" do
+      it { expect(service.report_name).to eq("Reports::qareport") }
+    end
+
+    context "filename" do
+      include ActiveSupport::Testing::TimeHelpers
+      it "returns the name of the Report" do
+        frozen_time = Time.zone.local(2023, 7, 17, 12, 30, 45)
+        travel_to frozen_time do
+          expected_name = "QA-Report-initial_checks-2023_07_17-12_30_45.csv"
+
+          expect(service.filename).to eq(expected_name)
+        end
+      end
+    end
+
+    # rubocop:disable RSpec/VerifiedDoubles
+    context "qa report data" do
+      let(:report) { spy(Reports::QaReport) }
+
+      before do
+        allow(Reports::QaReport).to receive(:new).and_return(report)
+        service.data
+      end
+
+      it { expect(Reports::QaReport).to have_received(:new).with(kind_of(Array), status) }
+      it { expect(report).to have_received(:csv) }
+    end
+
+    context "other report data" do
+      let(:report_id) { "home_office" }
+      let(:report) { spy(Reports::HomeOffice) }
+
+      before do
+        allow(Reports::HomeOffice).to receive(:new).and_return(report)
+        service.data
+      end
+
+      it { expect(Reports::HomeOffice).to have_received(:new) }
+      it { expect(report).to have_received(:csv) }
+    end
+    # rubocop:enable RSpec/VerifiedDoubles
+  end
+end