Handle import validation failures (#895)

* Set age and relat to nil when inconsistent

* Set homeless and reasonable preference due to homelessness to nil if inconsistent

* Age not answered case

* Refused is also valid

* Check relationship has been answered

app/services/imports/lettings_logs_import_service.rb

@@ -85,6 +85,12 @@ module Imports
       (2..8).each do |index|
         attributes["relat#{index}"] = relat(xml_doc, index)
         attributes["details_known_#{index}"] = details_known(index, attributes)
+
+        # Trips validation
+        if attributes["age#{index}"].present? && attributes["age#{index}"] < 16 && attributes["relat#{index}"].present? && attributes["relat#{index}"] != "C" && attributes["relat#{index}"] != "R"
+          attributes["age#{index}"] = nil
+          attributes["relat#{index}"] = nil
+        end
       end
       attributes["ethnic"] = unsafe_string_as_integer(xml_doc, "P1Eth")
       attributes["ethnic_group"] = ethnic_group(attributes["ethnic"])
@@ -137,6 +143,12 @@ module Imports
       attributes["rp_hardship"] = unsafe_string_as_integer(xml_doc, "Q14b4").present? ? 1 : nil
       attributes["rp_dontknow"] = unsafe_string_as_integer(xml_doc, "Q14b5").present? ? 1 : nil
 
+      # Trips validation
+      if attributes["homeless"] == 1 && attributes["rp_homeless"] == 1
+        attributes["homeless"] = nil
+        attributes["rp_homeless"] = nil
+      end
+
       attributes["cbl"] = allocation_system(unsafe_string_as_integer(xml_doc, "Q15CBL"))
       attributes["chr"] = allocation_system(unsafe_string_as_integer(xml_doc, "Q15CHR"))
       attributes["cap"] = allocation_system(unsafe_string_as_integer(xml_doc, "Q15CAP"))