Add major repairs dates validation

app/validations/date_validations.rb

@@ -1,6 +1,15 @@
 module DateValidations
   def validate_property_major_repairs(record)
     date_valid?("mrcdate", record)
+    if record["startdate"].present? && record["mrcdate"].present? && record["startdate"] < record["mrcdate"]
+      record.errors.add :mrcdate, "Major repairs date must be before the tenancy start date"
+    end
+    if (record["rsnvac"] == "First let of newbuild property" ||
+        record["rsnvac"] == "First let of conversion/rehabilitation/acquired property" ||
+        record["rsnvac"] == "First let of leased property") &&
+        record["mrcdate"].present?
+      record.errors.add :mrcdate, "Major repairs date must be before the tenancy start date"
+    end
   end
 
   def validate_startdate(record)

spec/fixtures/complete_case_log.json

@@ -65,11 +65,11 @@
     "property_building_type": "dummy",
     "beds": 3,
     "property_void_date": "03/11/2019",
-    "majorrepairs": "No",
-    "mrcdate": "05/05/2020",
-    "mrcday": 5,
-    "mrcmonth": 5,
-    "mrcyear": 2020,
+    "majorrepairs": "Yes",
+    "mrcdate": "12/02/2019",
+    "mrcday": 12,
+    "mrcmonth": 2,
+    "mrcyear": 2019,
     "offered": 2,
     "wchair": "Yes",
     "net_income_known": "Yes",
@@ -120,17 +120,17 @@
     "rp_hardship": "No",
     "rp_dontknow": "No",
     "discarded_at": "05/05/2020",
-    "override_net_income_validation":  "",
-    "gdpr_acceptance":  "",
+    "override_net_income_validation": "",
+    "gdpr_acceptance": "",
     "gdpr_declined": "",
-    "property_owner_organisation":  "",
+    "property_owner_organisation": "",
     "property_manager_organisation": "",
-    "sale_or_letting":  "",
-    "rent_type":  "",
+    "sale_or_letting": "",
+    "rent_type": "",
     "intermediate_rent_product_name": "",
-    "needs_type":  "",
+    "needs_type": "",
     "sale_completion_date": "01/01/2020",
-    "purchaser_code":  "",
+    "purchaser_code": "",
     "propcode": "123",
     "postcode": "a1",
     "postcod2": "w3",

spec/models/case_log_spec.rb

@@ -410,6 +410,47 @@ RSpec.describe Form, type: :model do
         end
       end
     end
+
+    context "major repairs date" do
+      it "cannot be later than the tenancy start date" do
+        expect {
+          CaseLog.create!(
+            mrcdate: Date.new(2020, 10, 10),
+            startdate: Date.new(2020, 10, 9),
+          )
+        }.to raise_error(ActiveRecord::RecordInvalid)
+
+        expect {
+          CaseLog.create!(
+            mrcdate: Date.new(2020, 10, 9),
+            startdate: Date.new(2020, 10, 10),
+          )
+        }.not_to raise_error
+      end
+
+      it "must not be completed if reason for vacancy is first let" do
+        expect {
+          CaseLog.create!(
+            mrcdate: Date.new(2020, 10, 10),
+            rsnvac: "First let of newbuild property",
+          )
+        }.to raise_error(ActiveRecord::RecordInvalid)
+
+        expect {
+          CaseLog.create!(
+            mrcdate: Date.new(2020, 10, 10),
+            rsnvac: "First let of conversion/rehabilitation/acquired property",
+          )
+        }.to raise_error(ActiveRecord::RecordInvalid)
+
+        expect {
+          CaseLog.create!(
+            mrcdate: Date.new(2020, 10, 10),
+            rsnvac: "First let of leased property",
+          )
+        }.to raise_error(ActiveRecord::RecordInvalid)
+      end
+    end
   end
 
   describe "status" do