Add rake task to export/remove invalid user phone numbers

lib/tasks/temprary/remove_invalid_user_phone_numbers.rake

@@ -0,0 +1,47 @@
+namespace :db do
+  desc "Remove invalid user phone_numbers"
+  task remove_invalid_user_phone_numbers: :environment do
+    User.find_each do |user|
+      invalid = false
+
+      if user.phone_number && Phonelib.invalid_for_country?(user.phone_number, "GB")
+        user.phone_number = nil
+        invalid = true
+      end
+
+      if user.company_phone_number && Phonelib.invalid_for_country?(user.company_phone_number, "GB")
+        user.company_phone_number = nil
+        invalid = true
+      end
+
+      user.save! if invalid
+    end
+  end
+
+  desc "Export users with invalid phone numbers"
+  task export_user_phone_numbers: :environment do
+    CSV.open("user_phone_numbers.csv", "w") do |csv|
+      csv << ["Email", "Name", "Number", "Field"]
+
+      User.find_each do |user|
+        if user.phone_number && Phonelib.invalid_for_country?(user.phone_number, "GB")
+          csv << [
+            user.email,
+            user.full_name,
+            user.phone_number,
+            "phone_number",
+          ]
+        end
+
+        if user.company_phone_number && Phonelib.invalid_for_country?(user.company_phone_number, "GB")
+          csv << [
+            user.email,
+            user.full_name,
+            user.company_phone_number,
+            "company_phone_number",
+          ]
+        end
+      end
+    end
+  end
+end