error and success when submitting

app/controllers/form_controller.rb

@@ -6,8 +6,13 @@ class FormController < ApplicationController
   def submit_form
     if @case_log
       if is_referrer_review?
-        @case_log.update!(@case_log.attributes)
-        redirect_to(send(case_logs_path, @case_log))
+        if @case_log.completed?
+          redirect_to(case_logs_path, flash: { notice: "Log #{@case_log.id} has been submitted" })
+        else
+          @case_log.errors.add :base, "All mandatory fields have not been completed, please refer to section status"
+          session[:errors][:review] = @case_log.errors.to_json
+          redirect_to(review_case_log_path)
+        end
       else
         @page = @case_log.form.get_page(params[:case_log][:page])
         responses_for_page = responses_for_page(@page)
@@ -26,12 +31,14 @@ class FormController < ApplicationController
           session[:errors] = @case_log.errors.to_json
           redirect_to(send(redirect_path, @case_log))
         end
+      end
     else
       render_not_found
     end
   end
 
   def check_answers
+    session[:review_errors] = nil
     if @case_log
       current_url = request.env["PATH_INFO"]
       subsection = @case_log.form.get_subsection(current_url.split("/")[-2])
@@ -43,6 +50,11 @@ class FormController < ApplicationController
 
   def review
     if @case_log
+      if session["errors"]
+        JSON(session["errors"]).each do |field, messages|
+          messages.each { |message| @case_log.errors.add field.to_sym, message }
+        end
+      end
       render "form/review"
     else
       render_not_found
@@ -52,6 +64,7 @@ class FormController < ApplicationController
   FormHandler.instance.forms.each do |_key, form|
     form.pages.map do |page|
       define_method(page.id) do |_errors = {}|
+        session[:review_errors] = nil
         if @case_log
           if session["errors"]
             JSON(session["errors"]).each do |field, messages|

app/views/case_logs/index.html.erb

@@ -1,9 +1,5 @@
 <% content_for :title, "Logs" %>
 
-<% if @case_log.present? %>
-<%= render partial: "success", locals: { case_log: @case_log } %>
-<% end %>
-
 <h1 class="govuk-heading-l">
   <%= content_for(:title) %>
 </h1>

app/views/form/review.html.erb

@@ -5,7 +5,8 @@
   "Review lettings log" => ""
 }) %>
 
-<%= turbo_frame_tag "case_log_form", target: "_top" do %>
+<%= form_with model: @case_log, url: form_case_log_path(@case_log), method: "post" do |f| %>
+  <%= f.govuk_error_summary %>
   <div class="govuk-grid-row">
     <div class="govuk-grid-column-two-thirds-from-desktop">
       <h1 class="govuk-heading-xl">
@@ -31,9 +32,7 @@
       <div class="govuk-inset-text">
         You can submit changes to this log until the close of the current collection year, 31 March 2022.
       </div>
-      <%= form_with model: @case_log, url: form_case_log_path(@case_log), method: "post" do |f| %>
-        <%= f.govuk_submit "Submit lettings log", accesskey: "s" %>
-      <% end %>
     </div>
   </div>
+  <%= f.govuk_submit "Submit lettings log", accesskey: "s" %>
 <% end %>

spec/features/form/review_page_spec.rb

@@ -4,11 +4,18 @@ require_relative "helpers"
 RSpec.describe "Form Review Page" do
   include Helpers
   let(:user) { FactoryBot.create(:user) }
-  let(:completed_unsubmitted_case_log) do
+  let(:case_log) do
+    FactoryBot.create(
+      :case_log,
+      :in_progress,
+      owning_organisation: user.organisation,
+      managing_organisation: user.organisation,
+    )
+  end
+  let(:completed_case_log) do
     FactoryBot.create(
       :case_log,
       :completed,
-      status: 1,
       owning_organisation: user.organisation,
       managing_organisation: user.organisation,
     )
@@ -20,15 +27,23 @@ RSpec.describe "Form Review Page" do
 
   context "when the user wishes to review their case log" do
     it "the review page can be visited by URL" do
-      visit("/logs/#{completed_unsubmitted_case_log.id}/review")
+      visit("/logs/#{completed_case_log.id}/review")
       expect(page).to have_content("Review lettings log")
     end
 
     it "the review page allows the user to submit a completed case log" do
-      visit("/logs/#{completed_unsubmitted_case_log.id}/review")
+      visit("/logs/#{completed_case_log.id}/review")
       click_button("Submit lettings log")
+      expect(page).to have_current_path("/logs")
       expect(page).to have_content("Success")
-      expect(page).to have_content("Log #{completed_unsubmitted_case_log.id} has been submitted")
+      expect(page).to have_content("Log #{completed_case_log.id} has been submitted")
+    end
+    
+    it "the review page displays an error message if all mandatory questions have not been completed when submitting" do
+      visit("/logs/#{case_log.id}/review")
+      click_button("Submit lettings log")
+      expect(page).to have_current_path("/logs/#{case_log.id}/review")
+      expect(page).to have_content("All mandatory fields have not been completed, please refer to section status")
     end
   end
 end