improve search

app/controllers/search_controller.rb

@@ -8,6 +8,7 @@ class SearchController < ApplicationController
     Search.by_term_and_type(
       @query,
       @type,
+      current_ability,
       {page: params[:page]}
     ).each do |k, v|
       var = :"@#{k}"

app/models/search.rb

@@ -1,13 +1,13 @@
 class Search
   TYPES = ['projects', 'users', 'groups', 'platforms']
 
-  def self.by_term_and_type(term, type, paginate_params)
+  def self.by_term_and_type(term, type, ability, paginate_params)
     results = {}
     case type
     when 'all'
-      TYPES.each{ |t| results[t] = find_collection(t, term, paginate_params) }
+      TYPES.each{ |t| results[t] = find_collection(t, term, ability, paginate_params) }
     when *TYPES
-      results[type] = find_collection(type, term, paginate_params)
+      results[type] = find_collection(type, term, ability, paginate_params)
     end
     results
   end
@@ -15,9 +15,12 @@ class Search
   class << self
     protected
 
-    def find_collection(type, term, paginate_params)
-      type.classify.constantize.opened.
-        search(term).
+    def find_collection(type, term, ability, paginate_params)
+      if type == 'users'
+        User.opened
+      else
+        type.classify.constantize.accessible_by(ability, :read)
+      end.search(term).
           search_order.
           paginate(paginate_params)
     end