Clear invalidated earnings values

lib/tasks/clear_invalidated_earnings.rake

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+desc "Clear earnings for lettings logs that fail validation"
+task clear_invalidated_earnings: :environment do
+  LettingsLog.filter_by_year(2023).find_each do |lettings_log|
+    lettings_log.validate_net_income(lettings_log)
+    if lettings_log.errors[:earnings].present?
+      lettings_log.earnings = nil
+      lettings_log.incfreq = nil
+      lettings_log.save!(validate: false)
+    end
+  end
+  LettingsLog.filter_by_year(2022).find_each do |lettings_log|
+    lettings_log.validate_net_income(lettings_log)
+    if lettings_log.errors[:earnings].present?
+      lettings_log.earnings = nil
+      lettings_log.incfreq = nil
+      lettings_log.save!(validate: false, touch: false)
+    end
+  end
+end

spec/lib/tasks/clear_invalidated_earnings_spec.rb

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+require "rails_helper"
+require "rake"
+
+RSpec.describe "clear_invalidated_earnings" do
+  describe ":clear_invalidated_earnings", type: :task do
+    subject(:task) { Rake::Task["clear_invalidated_earnings"] }
+
+    before do
+      Rake.application.rake_require("tasks/clear_invalidated_earnings")
+      Rake::Task.define_task(:environment)
+      task.reenable
+      FormHandler.instance.use_real_forms!
+    end
+
+    context "when the rake task is run" do
+      context "and there are 2023 logs with invalid earnings" do
+        let(:user) { create(:user) }
+        let!(:lettings_log) { create(:lettings_log, created_by: user) }
+
+        before do
+          lettings_log.startdate = Time.zone.local(2023, 4, 4)
+          lettings_log.incfreq = 1
+          lettings_log.earnings = 20
+          lettings_log.hhmemb = 1
+          lettings_log.ecstat1 = 1
+          lettings_log.save!(validate: false)
+        end
+
+        it "clears earnings" do
+          initial_updated_at = lettings_log.updated_at
+          expect(lettings_log.incfreq).to eq(1)
+          expect(lettings_log.earnings).to eq(20)
+          expect(lettings_log.hhmemb).to eq(1)
+          expect(lettings_log.ecstat1).to eq(1)
+
+          task.invoke
+          lettings_log.reload
+
+          expect(lettings_log.incfreq).to eq(nil)
+          expect(lettings_log.earnings).to eq(nil)
+          expect(lettings_log.hhmemb).to eq(1)
+          expect(lettings_log.ecstat1).to eq(1)
+          expect(lettings_log.updated_at).not_to eq(initial_updated_at)
+        end
+      end
+
+      context "and there are 2022 logs with invalid earnings" do
+        let(:user) { create(:user) }
+        let!(:lettings_log) { create(:lettings_log, created_by: user) }
+
+        before do
+          lettings_log.startdate = Time.zone.local(2022, 4, 4)
+          lettings_log.incfreq = 1
+          lettings_log.earnings = 20
+          lettings_log.hhmemb = 1
+          lettings_log.ecstat1 = 1
+          lettings_log.save!(validate: false)
+        end
+
+        it "does not export the log" do
+          initial_updated_at = lettings_log.updated_at
+          expect(lettings_log.incfreq).to eq(1)
+          expect(lettings_log.earnings).to eq(20)
+          expect(lettings_log.hhmemb).to eq(1)
+          expect(lettings_log.ecstat1).to eq(1)
+
+          task.invoke
+          lettings_log.reload
+
+          expect(lettings_log.incfreq).to eq(nil)
+          expect(lettings_log.earnings).to eq(nil)
+          expect(lettings_log.hhmemb).to eq(1)
+          expect(lettings_log.ecstat1).to eq(1)
+          expect(lettings_log.updated_at).to eq(initial_updated_at)
+        end
+      end
+    end
+  end
+end