Merge pull request #39 from communitiesuk/CLDC-344/Implement-a-few-validations

Cldc 344/implement a few validations

app/controllers/case_logs_controller.rb

@@ -26,7 +26,7 @@ class CaseLogsController < ApplicationController
     previous_page = params[:case_log][:previous_page]
     questions_for_page = form.questions_for_page(previous_page)
     responses_for_page = question_responses(questions_for_page)
-
+    @case_log.previous_page = previous_page
     if @case_log.update(responses_for_page)
       redirect_path = form.next_page_redirect_path(previous_page)
       redirect_to(send(redirect_path, @case_log))
@@ -45,7 +45,7 @@ class CaseLogsController < ApplicationController
 
   form = Form.new(2021, 2022)
   form.all_pages.map do |page_key, page_info|
-    define_method(page_key) do
+    define_method(page_key) do |errors = {}|
       @case_log = CaseLog.find(params[:case_log_id])
       render "form/page", locals: { form: form, page_key: page_key, page_info: page_info }
     end

app/models/case_log.rb

@@ -1,5 +1,37 @@
+class CaseLogValidator < ActiveModel::Validator
+
+  # Methods need to be named 'validate_' followed by field name
+  # this is how the metaprogramming of the method name being 
+  # call in the validate method works.
+
+  def validate_tenant_code(record)
+    if record.tenant_code.blank?
+      record.errors.add :tenant_code, "Tenant code can't be blank"
+    end
+  end
+
+  def validate_tenant_age(record)
+    if record.tenant_age.blank?
+      record.errors.add :tenant_age, "Tenant age can't be blank"
+    elsif !(record.tenant_age.to_s =~ /^[1-9][0-9]?$|^100$/)
+      record.errors.add :tenant_age, "Tenant age must be between 0 and 100"
+    end
+  end
+
+  def validate(record)
+    question_to_validate = options[:previous_page]
+    if respond_to?("validate_#{question_to_validate}")
+      public_send("validate_#{question_to_validate}", record)
+    end
+  end
+end
+
 class CaseLog < ApplicationRecord 
+  validate :instance_validations
+  attr_writer :previous_page
   enum status: { "in progress" => 0, "submitted" => 1 }
 
-  # validates :tenant_age, presence: true
+  def instance_validations
+    validates_with CaseLogValidator, ({ previous_page: @previous_page } || {})
+  end
 end

app/views/form/page.html.erb

@@ -6,6 +6,7 @@
 <% end %>
 
 <%= turbo_frame_tag "case_log_form", target: "_top" do %>
+
   <% if page_info["header"].present? %>
     <h1 class="govuk-heading-xl">
       <%= page_info["header"] %>

db/schema.rb

@@ -57,6 +57,7 @@ ActiveRecord::Schema.define(version: 2021_10_11_115946) do
     t.integer "person_8_age"
     t.string "person_8_gender"
     t.string "person_8_economic_status"
+    t.string "postcode"
     t.string "homelessness"
     t.string "reason_for_leaving_last_settled_home"
     t.string "benefit_cap_spare_room_subsidy"
@@ -107,6 +108,7 @@ ActiveRecord::Schema.define(version: 2021_10_11_115946) do
     t.string "chr_letting"
     t.string "cap_letting"
     t.string "outstanding_rent_or_charges"
+    t.string "other_reason_for_leaving_last_settled_home"
     t.boolean "accessibility_requirements_fully_wheelchair_accessible_housing"
     t.boolean "accessibility_requirements_wheelchair_access_to_essential_rooms"
     t.boolean "accessibility_requirements_level_access_housing"