Move previous_la into conditional question for la_known, add a hing and reset la if la_known is not Yes"

app/models/case_log.rb

@@ -309,15 +309,15 @@ private
   end
 
   def reset_location_fields!
-    reset_location(is_la_inferred, "la", "is_la_inferred", "property_postcode", "postcode", "postcod2")
+    reset_location(is_la_inferred, "la", "is_la_inferred", "property_postcode", "postcode", "postcod2", self.la_known)
   end
 
   def reset_previous_location_fields!
-    reset_location(is_previous_la_inferred, "prevloc", "is_previous_la_inferred", "previous_postcode", "ppostc1", "ppostc2")
+    reset_location(is_previous_la_inferred, "prevloc", "is_previous_la_inferred", "previous_postcode", "ppostc1", "ppostc2", self.previous_la_known)
   end
 
-  def reset_location(is_inferred, la_key, is_inferred_key, postcode_key, incode_key, outcode_key)
-    if is_inferred
+  def reset_location(is_inferred, la_key, is_inferred_key, postcode_key, incode_key, outcode_key, is_la_known)
+    if is_inferred || is_la_known != "Yes"
       self[la_key] = nil
     end
     self[is_inferred_key] = false

config/forms/2021_2022.json

@@ -2486,7 +2486,7 @@
                 }
               }
             },
-            "previous_la_known": {
+            "previous_la": {
               "header": "",
               "description": "",
               "questions": {
@@ -2495,22 +2495,19 @@
                   "header": "Do you know the local authority of the household’s last settled accommodation?",
                   "hint_text": "This is also known as the household’s ’last settled home’.",
                   "type": "radio",
+                  "hidden_in_check_answers": true,
                   "answer_options": {
                     "1": { "value": "Yes" },
                     "0": { "value": "No" }
+                  },
+                  "conditional_for": {
+                    "prevloc": ["Yes"]
                   }
-                }
-              },
-              "depends_on": [{ "is_previous_la_inferred": false }]
-            },
-            "previous_la": {
-              "header": "",
-              "description": "",
-              "questions": {
+                },
                 "prevloc": {
                   "check_answer_label": "Location of household’s last settled accommodation",
                   "header": "Which local authority area did the household live in immediately before this letting?",
-                  "hint_text": "Includes temporary accommodation.",
+                  "hint_text": "Select ‘Northern Ireland’, ‘Scotland’, ‘Wales’ or ‘Outside the UK’ if the household’s last settled home was outside England.",
                   "type": "select",
                   "answer_options": {
                     "": "Select an option",
@@ -2897,12 +2894,14 @@
                     "S92000003": "Scotland",
                     "W92000004": "Wales",
                     "9300000XX": "Outside UK"
+                  },
+                  "inferred_check_answers_value": {
+                    "condition": { "previous_la_known": "No" },
+                    "value": "Not known"
                   }
                 }
               },
-              "depends_on": [
-                { "previous_la_known": "Yes", "is_previous_la_inferred": false }
-              ]
+              "depends_on": [{ "is_previous_la_inferred": false }]
             },
             "reasonable_preference": {
               "header": "",

spec/models/case_log_spec.rb

@@ -339,7 +339,7 @@ RSpec.describe CaseLog do
 
       it "changes the LA if property postcode changes from not known to known and provided" do
         address_case_log.update!({ postcode_known: "No" })
-        address_case_log.update!({ la: "Westminster" })
+        address_case_log.update!({ la_known: "Yes", la: "Westminster" })
 
         record_from_db = ActiveRecord::Base.connection.execute("select la, property_postcode from case_logs where id=#{address_case_log.id}").to_a[0]
         expect(record_from_db["property_postcode"]).to eq(nil)
@@ -395,9 +395,21 @@ RSpec.describe CaseLog do
         expect(record_from_db["prevloc"]).to eq(nil)
       end
 
+      it "correctly resets la if la is not known" do
+        address_case_log.update!({ previous_la_known: "Yes", previous_la: "Scotland" })
+        record_from_db = ActiveRecord::Base.connection.execute("select previous_la from case_logs where id=#{address_case_log.id}").to_a[0]
+        expect(record_from_db["previous_la"]).to eq(nil)
+        expect(address_case_log.previous_la).to eq("Scotland")
+
+        address_case_log.update!({ previous_la_known: "No" })
+        record_from_db = ActiveRecord::Base.connection.execute("select previous_la from case_logs where id=#{address_case_log.id}").to_a[0]
+        expect(address_case_log.previous_la).to eq(nil)
+        expect(record_from_db["previous_la"]).to eq(nil)
+      end
+
       it "changes the prevloc if previous postcode changes from not known to known and provided" do
         address_case_log.update!({ previous_postcode_known: "No" })
-        address_case_log.update!({ prevloc: "Westminster" })
+        address_case_log.update!({ previous_la_known: "Yes", prevloc: "Westminster" })
 
         record_from_db = ActiveRecord::Base.connection.execute("select prevloc, previous_postcode from case_logs where id=#{address_case_log.id}").to_a[0]
         expect(record_from_db["previous_postcode"]).to eq(nil)