feat: fix hodate validation and use purchase price ranges

app/models/form/sales/questions/about_price_shared_ownership_value_check.rb

@@ -3,7 +3,7 @@ class Form::Sales::Questions::AboutPriceSharedOwnershipValueCheck < ::Form::Ques
     super
     @id = "value_value_check"
     @check_answer_label = "Deposit confirmation"
-    @header = "Are you sure? You said purchase price was PRICE, which seems high"
+    @header = "Are you sure? This purchase price is outside the expected range for this local authority and number of bedrooms"
     @type = "interruption_screen"
     @answer_options = {
       "0" => { "value" => "Yes" },
@@ -20,8 +20,4 @@ class Form::Sales::Questions::AboutPriceSharedOwnershipValueCheck < ::Form::Ques
       ],
     }
   end
-
-  def value_is_high?(value)
-    true
-  end
 end

app/models/log.rb

@@ -28,10 +28,19 @@ class Log < ApplicationRecord
 
   def collection_start_year
     return @start_year if @start_year
-    return unless startdate
 
-    window_end_date = Time.zone.local(startdate.year, 4, 1)
-    @start_year = startdate < window_end_date ? startdate.year - 1 : startdate.year
+    if lettings?
+      return unless startdate
+
+      log_start_date = startdate
+    else
+      return unless saledate
+
+      log_start_date = saledate
+    end
+
+    window_end_date = Time.zone.local(log_start_date.year, 4, 1)
+    @start_year = log_start_date < window_end_date ? log_start_date.year - 1 : log_start_date.year
   end
 
   def lettings?

app/models/validations/sales/sale_information_validations.rb

@@ -8,9 +8,9 @@ module Validations::Sales::SaleInformationValidations
   end
 
   def validate_pratical_completion_date_before_saledate(record)
-    return if record.saledate.blank? || record.hodate.blank?
+    return if record.exdate.blank? || record.hodate.blank?
 
-    unless record.saledate > record.hodate
+    unless record.exdate > record.hodate
       record.errors.add :hodate, "Practical completion or handover date must be before exchange date"
     end
   end

app/models/validations/sales/soft_validations.rb

@@ -44,8 +44,9 @@ module Validations::Sales::SoftValidations
   end
 
   def purchase_price_out_of_expected_range?
-    return unless value
+    return unless value && beds && la
 
-    true
+    purchase_price_range = LaPurchasePriceRange.find_by(start_year: collection_start_year, la:, bedrooms: beds)
+    purchase_price_range.present? && !value.between?(purchase_price_range.soft_min, purchase_price_range.soft_max)
   end
 end

db/schema.rb

@@ -510,7 +510,6 @@ ActiveRecord::Schema[7.0].define(version: 2023_01_24_111328) do
     t.string "postcode_full"
     t.boolean "is_la_inferred"
     t.integer "hodate_check"
-    t.integer "extrabor_value_check"
     t.integer "value_value_check"
     t.index ["created_by_id"], name: "index_sales_logs_on_created_by_id"
     t.index ["managing_organisation_id"], name: "index_sales_logs_on_managing_organisation_id"