CLDC-864 Add exdate validations

app/models/validations/sales/sale_information_validations.rb

@@ -15,6 +15,16 @@ module Validations::Sales::SaleInformationValidations
     end
   end
 
+  def validate_exchange_date(record)
+    return unless record.exdate && record.saledate
+
+    record.errors.add(:exdate, I18n.t("validations.sale_information.exdate.must_be_before_saledate")) if record.exdate > record.saledate
+
+    return if (record.saledate.to_date - record.exdate.to_date).to_i / 365 < 1
+
+    record.errors.add(:exdate, I18n.t("validations.sale_information.exdate.must_be_less_than_1_year_from_saledate")) if record.exdate < record.saledate
+  end
+
   def validate_previous_property_unit_type(record)
     return unless record.fromprop && record.frombeds
 

config/locales/en.yml

@@ -413,6 +413,11 @@ en:
       deactivation:
         during_deactivated_period: "The location is already deactivated during this date, please enter a different date"
     sale_information:
+      exdate:
+        must_be_before_saledate:
+          Contract exchange date must be less than 1 year before completion date
+        must_be_less_than_1_year_from_saledate:
+          Contract exchange date must be less than 1 year before completion date
       previous_property_beds:
         property_type_bedsit: "Bedsit bedroom maximum 1"
       previous_property_type:

spec/models/validations/sales/sale_information_validations_spec.rb

@@ -109,6 +109,82 @@ RSpec.describe Validations::Sales::SaleInformationValidations do
     end
   end
 
+  describe "#validate_exchange_date" do
+    context "when exdate blank" do
+      let(:record) { build(:sales_log, exdate: nil) }
+
+      it "does not add an error" do
+        sale_information_validator.validate_exchange_date(record)
+
+        expect(record.errors[:exdate]).not_to be_present
+      end
+    end
+
+    context "when saledate blank" do
+      let(:record) { build(:sales_log, saledate: nil) }
+
+      it "does not add an error" do
+        sale_information_validator.validate_exchange_date(record)
+
+        expect(record.errors[:exdate]).not_to be_present
+      end
+    end
+
+    context "when saledate and exdate blank" do
+      let(:record) { build(:sales_log, exdate: nil, saledate: nil) }
+
+      it "does not add an error" do
+        sale_information_validator.validate_exchange_date(record)
+
+        expect(record.errors[:exdate]).not_to be_present
+      end
+    end
+
+    context "when exdate before saledate" do
+      let(:record) { build(:sales_log, exdate: 2.months.ago, saledate: 1.month.ago) }
+
+      it "does not add the error" do
+        sale_information_validator.validate_exchange_date(record)
+
+        expect(record.errors[:exdate]).not_to be_present
+      end
+    end
+
+    context "when exdate more than 1 year before saledate" do
+      let(:record) { build(:sales_log, exdate: 2.years.ago, saledate: 1.month.ago) }
+
+      it "does not add the error" do
+        sale_information_validator.validate_exchange_date(record)
+
+        expect(record.errors[:exdate]).to eq(
+          ["Contract exchange date must be less than 1 year before completion date"],
+        )
+      end
+    end
+
+    context "when exdate after saledate" do
+      let(:record) { build(:sales_log, exdate: 1.month.ago, saledate: 2.months.ago) }
+
+      it "adds error" do
+        sale_information_validator.validate_exchange_date(record)
+
+        expect(record.errors[:exdate]).to eq(
+          ["Contract exchange date must be less than 1 year before completion date"],
+        )
+      end
+    end
+
+    context "when exdate == saledate" do
+      let(:record) { build(:sales_log, exdate: Time.zone.parse("2023-07-01"), saledate: Time.zone.parse("2023-07-01")) }
+
+      it "does not add an error" do
+        sale_information_validator.validate_exchange_date(record)
+
+        expect(record.errors[:exdate]).not_to be_present
+      end
+    end
+  end
+
   describe "#validate_previous_property_unit_type" do
     context "when number of bedrooms is <= 1" do
       let(:record) { FactoryBot.build(:sales_log, frombeds: 1, fromprop: 2) }