Added Event.limit_recent

This will be used to move some querying logic from the users controller
to the Event model (where it belongs).

app/models/event.rb

@@ -69,6 +69,10 @@ class Event < ActiveRecord::Base
 
       row ? row.updated_at : nil
     end
+
+    def limit_recent(limit = 20, offset = nil)
+      recent.limit(limit).offset(offset)
+    end
   end
 
   def proper?

spec/models/event_spec.rb

@@ -85,4 +85,21 @@ describe Event do
       end
     end
   end
+
+  describe '.limit_recent' do
+    let!(:event1) { create(:closed_issue_event) }
+    let!(:event2) { create(:closed_issue_event) }
+
+    describe 'without an explicit limit' do
+      subject { Event.limit_recent }
+
+      it { is_expected.to eq([event2, event1]) }
+    end
+
+    describe 'with an explicit limit' do
+      subject { Event.limit_recent(1) }
+
+      it { is_expected.to eq([event2]) }
+    end
+  end
 end