Refactor Gitlab::SnippetSearchResults

This removes the need for plucking snippet IDs into memory.

app/services/search/snippet_service.rb

@@ -7,8 +7,9 @@ module Search
     end
 
     def execute
-      snippet_ids = Snippet.accessible_to(current_user).pluck(:id)
-      Gitlab::SnippetSearchResults.new(snippet_ids, params[:search])
+      snippets = Snippet.accessible_to(current_user)
+
+      Gitlab::SnippetSearchResults.new(snippets, params[:search])
     end
   end
 end

lib/gitlab/snippet_search_results.rb

@@ -2,10 +2,10 @@ module Gitlab
   class SnippetSearchResults < SearchResults
     include SnippetsHelper
 
-    attr_reader :limit_snippet_ids
+    attr_reader :limit_snippets
 
-    def initialize(limit_snippet_ids, query)
-      @limit_snippet_ids = limit_snippet_ids
+    def initialize(limit_snippets, query)
+      @limit_snippets = limit_snippets
       @query = query
     end
 
@@ -35,11 +35,11 @@ module Gitlab
     private
 
     def snippet_titles
-      Snippet.where(id: limit_snippet_ids).search(query).order('updated_at DESC')
+      limit_snippets.search(query).order('updated_at DESC')
     end
 
     def snippet_blobs
-      Snippet.where(id: limit_snippet_ids).search_code(query).order('updated_at DESC')
+      limit_snippets.search_code(query).order('updated_at DESC')
     end
 
     def default_scope

spec/lib/gitlab/snippet_search_results_spec.rb

+require 'spec_helper'
+
+describe Gitlab::SnippetSearchResults do
+  let!(:snippet) { create(:snippet, content: 'foo', file_name: 'foo') }
+
+  let(:results) { described_class.new(Snippet.all, 'foo') }
+
+  describe '#total_count' do
+    it 'returns the total amount of search hits' do
+      expect(results.total_count).to eq(2)
+    end
+  end
+
+  describe '#snippet_titles_count' do
+    it 'returns the amount of matched snippet titles' do
+      expect(results.snippet_titles_count).to eq(1)
+    end
+  end
+
+  describe '#snippet_blobs_count' do
+    it 'returns the amount of matched snippet blobs' do
+      expect(results.snippet_blobs_count).to eq(1)
+    end
+  end
+end