Add sanitize search term method so that empty search entered does not…

… return error page (#196)

* Add sanitize search term method so that empty search entered does not
return error page

Co-authored-by: Bess Sadler <bess@users.noreply.github.com>

* remove comments from test

---------

Co-authored-by: Bess Sadler <bess@users.noreply.github.com>

app/controllers/guide_cards_controller.rb

@@ -11,7 +11,7 @@ def index
   end
 
   def search
-    @match = GuideCard.search_result(params[:search_term])
+    @match = GuideCard.search_result(sanitize_search_term)
     @guide_cards =
       if params[:page].present?
         GuideCard.order(:id).page(params[:page])
@@ -20,6 +20,16 @@ def search
       end
   end
 
+  # This method sets an empty string to ***** in the search box so that
+  # you do not hit an error page if no search term is entered.
+  def sanitize_search_term
+    if params[:search_term] == ''
+      '*****'
+    else
+      params[:search_term]
+    end
+  end
+
   def show
     @guide_card = GuideCard.find(params[:id])
     @sub_guide_cards = @guide_card.children

spec/system/search_feature_spec.rb

@@ -37,5 +37,10 @@
       click_on 'Go'
       expect(page).to have_link('* Aaron')
     end
+    it 'redirects user to first page of index if no search entered' do
+      visit '/'
+      click_on 'Go'
+      expect(page).to have_link('*****')
+    end
   end
 end