fixes search

app/models/crop.rb

@@ -203,8 +203,8 @@ class Crop < ActiveRecord::Base
   end
 
   # # Crop.search(string)
-  def self.search(_query)
-    CropSearchService.search
+  def self.search(query)
+    CropSearchService.search(query)
   end
 
   def self.case_insensitive_name(name)

app/services/crop_search_service.rb

@@ -3,7 +3,7 @@ class CropSearchService
   def self.search(query)
     if ENV['GROWSTUFF_ELASTICSEARCH'] == "true"
       search_str = query.nil? ? "" : query.downcase
-      response = __elasticsearch__.search( # Finds documents which match any field, but uses the _score from
+      response = Crop.__elasticsearch__.search( # Finds documents which match any field, but uses the _score from
         # the best field insead of adding up _score from each field.
         query: {
           multi_match: {