feat: update the contact email address in the database (#11848)

lib/data_update_scripts/20201210163704_set_contact_email_address.rb

@@ -0,0 +1,9 @@
+module DataUpdateScripts
+  class SetContactEmailAddress
+    def run
+      return if SiteConfig.email_addresses[:contact].present?
+
+      SiteConfig.email_addresses[:contact] = ApplicationConfig["DEFAULT_EMAIL"]
+    end
+  end
+end

spec/lib/data_update_scripts/set_contact_email_address_spec.rb

@@ -0,0 +1,35 @@
+require "rails_helper"
+require Rails.root.join(
+  "lib/data_update_scripts/20201210163704_set_contact_email_address.rb",
+)
+
+describe DataUpdateScripts::SetContactEmailAddress do
+  let(:contact_email) { "contact@dev.to" }
+
+  before do
+    allow(SiteConfig).to receive(:email_addresses).and_return(
+      {
+        default: "hi@dev.to",
+        business: "business@dev.to",
+        privacy: "privacy@dev.to",
+        members: "members@dev.to"
+      },
+    )
+  end
+
+  context "with no contact email set in the email_addresses hash" do
+    it "adds the contact email" do
+      described_class.new.run
+      expect(SiteConfig.email_addresses).to include(contact: ApplicationConfig["DEFAULT_EMAIL"])
+    end
+  end
+
+  context "with a contact email set in the email_addresses hash" do
+    it "preserves the current contact email" do
+      SiteConfig.email_addresses[:contact] = contact_email
+      described_class.new.run
+      SiteConfig.clear_cache
+      expect(SiteConfig.email_addresses).to include(contact: contact_email)
+    end
+  end
+end