Add Drive Participant column to the donation details page (5590)

app/models/donation.rb

@@ -120,6 +120,10 @@ def donation_site_view
     donation_site.nil? ? "N/A" : donation_site.name
   end
 
+  def drive_participant_view
+    product_drive_participant.nil? ? "N/A" : product_drive_participant.display_name
+  end
+
   def storage_view
     storage_location.nil? ? "N/A" : storage_location.name
   end

app/models/product_drive_participant.rb

@@ -49,4 +49,8 @@ def donation_source_view
 
     "#{contact_name} (participant)"
   end
+
+  def display_name
+    business_name.presence || contact_name
+  end
 end

app/views/donations/show.html.erb

@@ -34,13 +34,15 @@
                 <th>Date</th>
                 <th>Source</th>
                 <th>Donation Site</th>
+                <th>Drive Participant</th>
                 <th>Storage Location</th>
               </tr>
               </thead>
               <tbody>
               <td><%= @donation.created_at.to_fs(:distribution_date) %></td>
               <td><%= @donation.source %></td>
               <td><%= @donation.donation_site_view %></td>
+              <td><%= @donation.drive_participant_view %></td>
               <td><%= @donation.storage_view %></td>              </tbody>
             </table>
           </div>

spec/requests/donations_requests_spec.rb

@@ -237,6 +237,34 @@
         expect(pdf.text).to include("Print")
       end
 
+      context "with a donation from a product drive participant" do
+        let(:participant) do
+          create(:product_drive_participant, business_name: "Acme Diaper Drive", organization: organization)
+        end
+        let!(:donation) do
+          create(:product_drive_donation, :with_items, item: item, product_drive_participant: participant, organization: organization)
+        end
+
+        it "shows the participant in the Drive Participant column" do
+          get donation_path(id: donation.id)
+          page = Nokogiri::HTML(response.body)
+          headers = page.at_css("table thead").css("th").map(&:text)
+          cells = page.at_css("table tbody").css("td").map(&:text)
+          expect(headers.index("Drive Participant")).to eq(headers.index("Donation Site") + 1)
+          expect(cells[headers.index("Drive Participant")]).to eq("Acme Diaper Drive")
+        end
+      end
+
+      context "with a donation that has no product drive participant" do
+        it "shows N/A in the Drive Participant column" do
+          get donation_path(id: donation.id)
+          page = Nokogiri::HTML(response.body)
+          headers = page.at_css("table thead").css("th").map(&:text)
+          cells = page.at_css("table tbody").css("td").map(&:text)
+          expect(cells[headers.index("Drive Participant")]).to eq("N/A")
+        end
+      end
+
       it "shows an enabled edit button" do
         get donation_path(id: donation.id)
         page = Nokogiri::HTML(response.body)