CLDC-464: Other tenancy type validation (#68)

* Add other_tenancy_type conditional field

* Extract private validdate_other_field_method

* Implement other tenancy type validation

* Add missing migration file and update API doc

app/models/case_log.rb

@@ -30,13 +30,7 @@ class CaseLogValidator < ActiveModel::Validator
   end
 
   def validate_other_reason_for_leaving_last_settled_home(record)
-    if record.reason_for_leaving_last_settled_home == "Other" && record.other_reason_for_leaving_last_settled_home.blank?
-      record.errors.add :other_reason_for_leaving_last_settled_home, "If reason for leaving settled home is other then the other reason must be provided"
-    end
-
-    if record.reason_for_leaving_last_settled_home != "Other" && record.other_reason_for_leaving_last_settled_home.present?
-      record.errors.add :other_reason_for_leaving_last_settled_home, "The other reason must not be provided if the reason for leaving settled home was not other"
-    end
+    validate_other_field(record, "reason_for_leaving_last_settled_home", "other_reason_for_leaving_last_settled_home")
   end
 
   def validate_reason_for_leaving_last_settled_home(record)
@@ -107,6 +101,10 @@ class CaseLogValidator < ActiveModel::Validator
     conditions.each { |condition| condition[:condition] ? (record.errors.add :fixed_term_tenancy, condition[:error]) : nil }
   end
 
+  def validate_other_tenancy_type(record)
+    validate_other_field(record, "tenancy_type", "other_tenancy_type")
+  end
+
   def validate(record)
     # If we've come from the form UI we only want to validate the specific fields
     # that have just been submitted. If we're submitting a log via API or Bulk Upload
@@ -126,6 +124,18 @@ class CaseLogValidator < ActiveModel::Validator
 
 private
 
+  def validate_other_field(record, main_field, other_field)
+    main_field_label = main_field.humanize(capitalize: false)
+    other_field_label = other_field.humanize(capitalize: false)
+    if record[main_field] == "Other" && record[other_field].blank?
+      record.errors.add other_field.to_sym, "If #{main_field_label} is other then #{other_field_label} must be provided"
+    end
+
+    if record[main_field] != "Other" && record[other_field].present?
+      record.errors.add other_field.to_sym, "#{other_field_label} must not be provided if #{main_field_label} was not other"
+    end
+  end
+
   def women_of_child_bearing_age_in_household(record)
     (1..8).any? do |n|
       next if record["person_#{n}_gender"].nil? || record["person_#{n}_age"].nil?
@@ -209,6 +219,10 @@ private
       dynamically_not_required << "fixed_term_tenancy"
     end
 
+    if tenancy_type != "Other"
+      dynamically_not_required << "other_tenancy_type"
+    end
+
     required.delete_if { |key, _value| dynamically_not_required.include?(key) }
   end
 end

config/forms/2021_2022.json

@@ -903,7 +903,15 @@
                     "3": "Lifetime – Assured",
                     "4": "License agreement",
                     "5": "Other"
+                  },
+                  "conditional_for": {
+                    "other_tenancy_type": ["Other"]
                   }
+                },
+                "other_tenancy_type": {
+                  "header": "Please state the tenancy type",
+                  "hint_text": "",
+                  "type": "text"
                 }
               }
             },

db/migrate/20211027123535_add_other_tenancy_type_field.rb

@@ -0,0 +1,7 @@
+class AddOtherTenancyTypeField < ActiveRecord::Migration[6.1]
+  def change
+    change_table :case_logs, bulk: true do |t|
+      t.column :other_tenancy_type, :string
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_10_27_091521) do
+ActiveRecord::Schema.define(version: 2021_10_27_123535) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -132,6 +132,7 @@ ActiveRecord::Schema.define(version: 2021_10_27_091521) do
     t.boolean "reasonable_preference_reason_avoid_hardship"
     t.boolean "reasonable_preference_reason_do_not_know"
     t.datetime "discarded_at"
+    t.string "other_tenancy_type"
     t.index ["discarded_at"], name: "index_case_logs_on_discarded_at"
   end
 

docs/api/DLUHC-CORE-Data.v1.json

@@ -1089,6 +1089,10 @@
           },
           "reasonable_preference_reason_do_not_know": {
             "type": "boolean"
+          },
+          "other_tenancy-type": {
+            "type": "string",
+            "example": "private tenancy"
           }
         },
         "required": [
@@ -1203,7 +1207,8 @@
           "reasonable_preference_reason_unsatisfactory_housing",
           "reasonable_preference_reason_medical_grounds",
           "reasonable_preference_reason_avoid_hardship",
-          "reasonable_preference_reason_do_not_know"
+          "reasonable_preference_reason_do_not_know",
+          "other_tenancy-type"
         ]
       }
     },

spec/models/case_log_spec.rb

@@ -201,7 +201,32 @@ RSpec.describe Form, type: :model do
         expect {
           CaseLog.create!(armed_forces: "Yes - a regular",
                           armed_forces_active: "Yes",
-                          armed_forces_injured: "Yes")
+                          armed_forces_injured: "Yes")}
+      end
+    end
+
+    context "other tenancy type validation" do
+      it "must be provided if tenancy type was given as other" do
+        expect {
+          CaseLog.create!(tenancy_type: "Other",
+                          other_tenancy_type: nil)
+        }.to raise_error(ActiveRecord::RecordInvalid)
+
+        expect {
+          CaseLog.create!(tenancy_type: "Other",
+                          other_tenancy_type: "type")
+        }.not_to raise_error
+      end
+
+      it "must not be provided if tenancy type is not other" do
+        expect {
+          CaseLog.create!(tenancy_type: "Fixed",
+                          other_tenancy_type: "the other reason provided")
+        }.to raise_error(ActiveRecord::RecordInvalid)
+
+        expect {
+          CaseLog.create!(tenancy_type: "Fixed",
+                          other_tenancy_type: nil)
         }.not_to raise_error
       end
     end