Renewal inferred variables (#285)

* Infer layear if it is a renewal

* Infer underoccupation_benefitcap if it is a renewal

* Infer homelessness if it is a renewal

app/models/case_log.rb

@@ -252,6 +252,9 @@ private
     self.tcharge = brent.to_f + scharge.to_f + pscharge.to_f + supcharg.to_f
     self.has_benefits = get_has_benefits
     self.nocharge = household_charge == "Yes" ? "No" : "Yes"
+    self.layear = "Less than 1 year" if renewal == "Yes"
+    self.underoccupation_benefitcap = "No" if renewal == "Yes" && year == 2021
+    self.homeless = "No" if renewal == "Yes"
   end
 
   def process_postcode_changes!

spec/fixtures/complete_case_log.json

@@ -40,7 +40,7 @@
     "age8": 2,
     "sex8": "Prefer not to say",
     "ecstat8": "Child under 16",
-    "homeless": "Yes - other homelessness",
+    "homeless": "No",
     "reason": 1,
     "underoccupation_benefitcap": "No",
     "leftreg": "No - they left up to 5 years ago",
@@ -90,8 +90,7 @@
     "lawaitlist": "Less than 1 year",
     "prevloc": "Ashford",
     "previous_postcode": "SE2 6RT",
-    "reasonpref": "Yes",
-    "reasonable_preference_reason": "dummy",
+    "reasonpref": "No",
     "cbl": "Yes",
     "chr": "Yes",
     "cap": "No",
@@ -116,7 +115,7 @@
     "illness_type_9": "No",
     "illness_type_10": "No",
     "condition_effects_prefer_not_to_say": "Yes",
-    "rp_homeless": "Yes",
+    "rp_homeless": "No",
     "rp_insan_unsat": "No",
     "rp_medwel": "No",
     "rp_hardship": "No",

spec/models/case_log_spec.rb

@@ -1153,6 +1153,35 @@ RSpec.describe CaseLog do
       record_from_db = ActiveRecord::Base.connection.execute("select has_benefits from case_logs where id=#{case_log.id}").to_a[0]
       expect(record_from_db["has_benefits"]).to eq("Yes")
     end
+
+    context "when it is a renewal" do
+      let!(:case_log) do
+        described_class.create({
+          managing_organisation: organisation,
+          owning_organisation: organisation,
+          renewal: "Yes",
+          year: 2021,
+        })
+      end
+
+      it "correctly derives and saves layear" do
+        record_from_db = ActiveRecord::Base.connection.execute("select layear from case_logs where id=#{case_log.id}").to_a[0]
+        expect(record_from_db["layear"]).to eq(2)
+        expect(case_log["layear"]).to eq("Less than 1 year")
+      end
+
+      it "correctly derives and saves underoccupation_benefitcap if year is 2021" do
+        record_from_db = ActiveRecord::Base.connection.execute("select underoccupation_benefitcap from case_logs where id=#{case_log.id}").to_a[0]
+        expect(record_from_db["underoccupation_benefitcap"]).to eq(2)
+        expect(case_log["underoccupation_benefitcap"]).to eq("No")
+      end
+
+      it "correctly derives and saves homeless" do
+        record_from_db = ActiveRecord::Base.connection.execute("select homeless from case_logs where id=#{case_log.id}").to_a[0]
+        expect(record_from_db["homeless"]).to eq(1)
+        expect(case_log["homeless"]).to eq("No")
+      end
+    end
   end
 
   describe "resetting invalidated fields" do