Move suggest handling into the repository

This allows the repository to abstract how suggestion handling happens

app/models/blacklight/suggest_search.rb

@@ -1,10 +1,12 @@
 # frozen_string_literal: true
+
 module Blacklight
   class SuggestSearch
     attr_reader :request_params, :repository
 
     ##
     # @param [Hash] params
+    # @param [Blacklight::AbstractRepository] repository
     def initialize(params, repository)
       @request_params = { q: params[:q] }
       @repository = repository
@@ -15,20 +17,7 @@ def initialize(params, repository)
     # Blacklight::Suggest::Response
     # @return [Blacklight::Suggest::Response]
     def suggestions
-      Blacklight::Suggest::Response.new suggest_results, request_params, suggest_handler_path
-    end
-
-    ##
-    # Query the suggest handler using RSolr::Client::send_and_receive
-    # @return [RSolr::HashWithResponse]
-    def suggest_results
-      repository.connection.send_and_receive(suggest_handler_path, params: request_params)
-    end
-
-    ##
-    # @return [String]
-    def suggest_handler_path
-      repository.blacklight_config.autocomplete_path
+      repository.suggestions(request_params)
     end
   end
 end

lib/blacklight/solr/repository.rb

@@ -22,8 +22,16 @@ def search params = {}
       send_and_receive blacklight_config.solr_path, params.reverse_merge(qt: blacklight_config.qt)
     end
 
+    # @param [Hash] params
+    # @return [Blacklight::Suggest::Response]
+    def suggestions(request_params)
+      suggest_results = connection.send_and_receive(suggest_handler_path, params: request_params)
+      Blacklight::Suggest::Response.new suggest_results, request_params, suggest_handler_path
+    end
+
     ##
     # Execute a solr query
+    # TODO: Make this private after we have a way to abstract admin/luke and ping
     # @see [RSolr::Client#send_and_receive]
     # @overload find(solr_path, params)
     #   Execute a solr query at the given path with the parameters
@@ -51,6 +59,12 @@ def send_and_receive(path, solr_params = {})
 
     private
 
+    ##
+    # @return [String]
+    def suggest_handler_path
+      blacklight_config.autocomplete_path
+    end
+
     def build_connection
       RSolr.connect(connection_config.merge(adapter: connection_config[:http_adapter]))
     end