Add correct variables to solar pv page (#3269)

app/views/schools/advice/solar_pv/_analysis_has_solar_pv.html.erb

@@ -81,7 +81,7 @@
 
 <p><%= t('advice_pages.solar_pv.has_solar_pv.analysis.there_may_be_extra_returns') %>.</p>
 
-<table class="table table-sm">
+<table class="table table-sm" id="investment-returns">
   <thead class="thead-dark">
     <tr>
       <th class="text-center" style="width: 50%">
@@ -94,8 +94,8 @@
   </thead>
   <tbody>
     <tr>
-      <td><%= t('advice_pages.solar_pv.has_solar_pv.analysis.before_april_2019_content_html') %></td>
-      <td><%= t('advice_pages.solar_pv.has_solar_pv.analysis.after_april_2019_content_html') %></td>
+      <td><%= t('advice_pages.solar_pv.has_solar_pv.analysis.before_april_2019_content_html', solar_generation: format_unit(@existing_benefits.annual_solar_pv_kwh, :kwh)) %></td>
+      <td><%= t('advice_pages.solar_pv.has_solar_pv.analysis.after_april_2019_content_html', export_price: BenchmarkMetrics.pricing.solar_export_price * 100, export_value: format_unit(@existing_benefits.export_£, :£)) %></td>
     </tr>
   </tbody>
 </table>

config/locales/cy/views/advice_pages/solar_pv.yml

@@ -4,11 +4,11 @@ cy:
       has_solar_pv:
         analysis:
           after_april_2019: Ar ôl Ebrill 2019
-          after_april_2019_content_html: Bydd arbediad ychwanegol o tua £79 o drydan wedi'i allforio o dan y <a href="https://www.ofgem.gov.uk/environmental-and-social-schemes/smart-export-guarantee-seg">SEG (Gwarant Allforio Clyfar)</a>
+          after_april_2019_content_html: Bydd arbediad ychwanegol o tua %{export_value} o drydan wedi'i allforio o dan y <a href="https://www.ofgem.gov.uk/environmental-and-social-schemes/smart-export-guarantee-seg">SEG (Gwarant Allforio Clyfar)</a>
           before_april_2019: Cyn Ebrill 2019
           before_april_2019_content_html: |-
             <p>Gallai'r ysgol hefyd elwa o gymhorthdal y llywodraeth o'r enw <a href="https://www.ofgem.gov.uk/environmental-and-social-schemes/feed-tariffs-fit">'tariff cyflenwi trydan'</a>.</p>
-            <p>Bydd swm y tariff cyflenwi trydan yn dibynnu ar bryd y gosodwyd y paneli ac fel arfer mae o fewn yr ystod 5p/kWh i 40 p/kWh x cyfanswm y 'Cynhyrchiad Ffotofoltäig' o 5,693 kWh, bob blwyddyn</p>
+            <p>Bydd swm y tariff cyflenwi trydan yn dibynnu ar bryd y gosodwyd y paneli ac fel arfer mae o fewn yr ystod 5p/kWh i 40 p/kWh x cyfanswm y 'Cynhyrchiad Ffotofoltäig' o %{solar_generation} kWh, bob blwyddyn</p>
           benefits_of_having_installed_solar_panels: Manteision gosod paneli solar
           if_the_panels_are_owned_by_a_third_party: Os yw'r paneli yn eiddo i drydydd parti
           if_the_panels_are_owned_by_the_school: Os yw'r paneli yn eiddo i'r ysgol

config/locales/views/advice_pages/solar_pv.yml

@@ -5,11 +5,13 @@ en:
       has_solar_pv:
         analysis:
           after_april_2019: After April 2019
-          after_april_2019_content_html: There will be an extra saving of about £79 from exported electricity under the <a href="https://www.ofgem.gov.uk/environmental-and-social-schemes/smart-export-guarantee-seg">SEG (Smart Export Guarantee)</a>
+          after_april_2019_content_html: |-
+            <p>The school might also gain between 1p and 15p per kWh of exported electricity under the <a href="https://www.ofgem.gov.uk/environmental-and-social-schemes/smart-export-guarantee-seg">SEG (Smart Export Guarantee)</a>. This rate will be agreed with your energy provider.</p>
+            <p>Using Energy Spark’s average SEG rate of %{export_price}p per kWh, we estimate that your school will have received  %{export_value} under the SEG in the last year.</p>
           before_april_2019: Before April 2019
           before_april_2019_content_html: |-
             <p>The school might also gain from the government subsidy called <a href="https://www.ofgem.gov.uk/environmental-and-social-schemes/feed-tariffs-fit">'feed-in-tariff'</a>.</p>
-            <p>The amount of the feed in tariff will depend on when the panels were installed and is typically in the range 5p/kWh to 40 p/kWh x the total 'Photovoltaic production' of 5,694 kWh, each year</p>
+            <p>The amount of the feed in tariff will depend on when the panels were installed and is typically in the range 5p/kWh to 40 p/kWh x the total 'Photovoltaic production' of %{solar_generation} kWh, each year</p>
           benefits_of_having_installed_solar_panels: Benefits of having installed solar panels
           if_the_panels_are_owned_by_a_third_party: If the panels are owned by a third-party
           if_the_panels_are_owned_by_the_school: If the panels are owned by the school

spec/system/schools/advice_pages/solar_pv_spec.rb

@@ -126,8 +126,13 @@ def expected_page_title
         expect(page).to have_content('Long term trends')
         expect(page).to have_content('Recent electricity consumption and solar production')
         expect(page).to have_content('Benefits of having installed solar panels')
-        expect(page).to have_content('Before April 2019')
-        expect(page).to have_content('After April 2019')
+        within('#investment-returns') do
+          expect(page).to have_content('Before April 2019')
+          expect(page).to have_content('14,000 kWh')
+          expect(page).to have_content('After April 2019')
+          expect(page).to have_content("#{BenchmarkMetrics.pricing.solar_export_price * 100}p per kWh")
+          expect(page).to have_content('£65')
+        end
         expect(page).to have_css('#chart_wrapper_solar_pv_group_by_month')
         expect(page).to have_css('#chart_wrapper_solar_pv_last_7_days_by_submeter')
       end