Add resource search for autocomplete

dashboard/app/controllers/resources_controller.rb

@@ -1,7 +1,6 @@
 class ResourcesController < ApplicationController
   # GET /resourcesearch/:q/:limit
   def search
-    # TODO: use the query to provide real suggestions
-    render json: Resource.limit(params[:limit]).map(&:attributes)
+    render json: ResourcesAutocomplete.get_search_matches(params[:q], params[:limit])
   end
 end

dashboard/lib/resources_autocomplete.rb

@@ -0,0 +1,12 @@
+class ResourcesAutocomplete < AutocompleteHelper
+  def self.get_search_matches(query, limit)
+    limit = format_limit(limit)
+
+    rows = Resource.limit(limit)
+    query = format_query(query)
+    return [] if query.length < MIN_WORD_LENGTH + 2
+    rows = rows.
+      where("MATCH(name,url) AGAINST(? in BOOLEAN MODE)", query)
+    return rows.map(&:attributes)
+  end
+end

dashboard/test/fixtures/resource.yml

@@ -0,0 +1,20 @@
+resource_101:
+  id: 101
+  key: resource_101
+  name: Code Studio
+  url: code.org
+resource_102:
+  id: 102
+  key: resource_102
+  name: wiki
+  url: wikipedia.org
+resource_103:
+  id: 103
+  key: resource_103
+  name: class slides
+  url: docs.google.com/slides
+resource_104:
+  id: 104
+  key: resource_104
+  name: class site
+  url: testsebsite.fake

dashboard/test/lib/resources_autocomplete_test.rb

@@ -0,0 +1,24 @@
+require 'test_helper'
+
+class ResourcesAutocompleteTest < ActiveSupport::TestCase
+  # We rely on fulltext indices to be used in this test.
+  # In order to get this test to work, we need to have the resources created
+  # as fixtures. These are defined in test/fixtures/resource.yml
+
+  test "finds resource with matching name" do
+    matches = ResourcesAutocomplete.get_search_matches('Studi', 5)
+    assert_equal 1, matches.length
+    assert_equal 'Code Studio', matches[0]['name']
+  end
+
+  test "finds resource with matching url" do
+    matches = ResourcesAutocomplete.get_search_matches("wikip", 5)
+    assert_equal 1, matches.length
+    assert_equal 'wiki', matches[0]['name']
+  end
+
+  test "finds multiple matches" do
+    matches = ResourcesAutocomplete.get_search_matches("class", 5)
+    assert_equal 2, matches.length
+  end
+end