auto-suggest to use existing search

app/controllers/crops_controller.rb

@@ -62,7 +62,7 @@ class CropsController < ApplicationController
     respond_to do |format|
       format.html
       format.json { 
-        render :json => @all_matches
+        render :json => Crop.autosuggest(params[:term])
       }
     end
   end

app/models/crop.rb

@@ -42,7 +42,7 @@ class Crop < ActiveRecord::Base
       tokenizer: {
         gs_edgeNGram_tokenizer: {
           type: "edgeNGram",
-          min_gram: 1,
+          min_gram: 2,
           max_gram: 20,
           token_chars: [ "letter", "digit" ]
         }
@@ -261,4 +261,8 @@ class Crop < ActiveRecord::Base
     )
     response.records.to_a
   end
+
+  def self.autosuggest(term)
+    where("name ILIKE ?", "%#{term}%")
+  end
 end