Include guest count in the summary

app/queries/expenses/total_query.rb

@@ -15,6 +15,8 @@ module Expenses
                expense_summary.variable,
                expense_summary.variable_count,
                expense_summary.total_count,
+               guest_count.confirmed as confirmed_guests,
+                guest_count.projected as projected_guests,
                expense_summary.fixed + expense_summary.variable * guest_count.confirmed as total,
                expense_summary.fixed + expense_summary.variable * guest_count.projected as max_projected,
                (expense_summary.fixed + expense_summary.variable * guest_count.confirmed) / guest_count.confirmed as per_person

spec/queries/expenses/total_query_spec.rb

@@ -23,6 +23,8 @@ module Expenses
           expect(response["total_count"]).to be_zero
           expect(response["max_projected"]).to be_zero
           expect(response["per_person"]).to be_zero
+          expect(response["confirmed_guests"]).to eq(2)
+          expect(response["projected_guests"]).to eq(2 + 4 + 5)
         end
       end
 
@@ -41,6 +43,8 @@ module Expenses
           expect(response["total_count"]).to eq(2)
           expect(response["max_projected"]).to eq(300)
           expect(response["per_person"]).to eq(150)
+          expect(response["confirmed_guests"]).to eq(2)
+          expect(response["projected_guests"]).to eq(2 + 4 + 5)
         end
       end
 
@@ -58,6 +62,8 @@ module Expenses
           expect(response["total"]).to eq(2*300)
           expect(response["total_count"]).to eq(2)
           expect(response["max_projected"]).to eq(11*300)
+          expect(response["confirmed_guests"]).to eq(2)
+          expect(response["projected_guests"]).to eq(2 + 4 + 5)
         end
       end
 
@@ -77,6 +83,8 @@ module Expenses
           expect(response["total_count"]).to eq(3)
           expect(response["max_projected"]).to eq(100 + 200 + 11*50)
           expect(response["per_person"]).to eq(200)
+          expect(response["confirmed_guests"]).to eq(2)
+          expect(response["projected_guests"]).to eq(2 + 4 + 5)
         end
       end
     end