Treat ActiveRecord::Result as Array driver

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 * Treat true/false as YES/NO when assigned as strings for xboolean filter
 * Support infinite ranges for date, datetime and integer filters
+* Treat `ActiveRecord::Result` class as `Array` driver
 
 ## 1.8.1
 

lib/datagrid/drivers/array.rb

@@ -4,7 +4,10 @@ module Drivers
     class Array < AbstractDriver
 
       def self.match?(scope)
-        !Datagrid::Drivers::ActiveRecord.match?(scope) && (scope.is_a?(::Array) || scope.is_a?(Enumerator))
+        !Datagrid::Drivers::ActiveRecord.match?(scope) && (
+          scope.is_a?(::Array) || scope.is_a?(Enumerator) ||
+          (defined?(::ActiveRecord::Result) && scope.is_a?(::ActiveRecord::Result))
+        )
       end
 
       def to_scope(scope)

spec/datagrid/drivers/array_spec.rb

@@ -6,11 +6,12 @@
     subject { described_class }
 
     it {should be_match(Array.new)}
+    it {should be_match(ActiveRecord::Result.new([], []))}
     it {should_not be_match({})}
   end
-  
+
   describe "api" do
-  
+
     class ArrayGrid
       class User < Struct.new(:name, :age); end
       include Datagrid
@@ -36,8 +37,8 @@ class User < Struct.new(:name, :age); end
         [ first, second, third ]
       end
     end
-  
-          
+
+
     describe '#assets' do
       subject { super().assets }
       describe '#size' do
@@ -55,13 +56,13 @@ class User < Struct.new(:name, :age); end
       subject { super().header }
       it {should ==[ "Name", "Age"]}
     end
-      
+
     describe '#data' do
       subject { super().data }
       it {should == [[ "Name", "Age"], ["Vasya", 15], ["Petya", 12], ["Vova", 13]]}
     end
-      
-      
+
+
     describe "when some filters specified" do
       let(:_attributes) { {:age => [12,14]} }
 
@@ -80,7 +81,7 @@ class User < Struct.new(:name, :age); end
         it {should include(third)}
       end
     end
-      
+
     describe "when reverse ordering is specified" do
       let(:_attributes) { {:order => :name, :descending => true} }