Extract common revision repository logic to method

[Finishes #174330630]

Co-authored-by: Sarah Weinstein <sweinstein@pivotal.io>
Co-authored-by: Chris Selzo <cselzo@pivotal.io>

Author: sweinstein22

app/repositories/revision_event_repository.rb

@@ -3,45 +3,34 @@ module Repositories
     class RevisionEventRepository
       def self.record_create(revision, app, user_audit_info)
         VCAP::AppLogEmitter.emit(revision.app_guid, "Creating revision for app with guid #{app.guid}")
-
-        Event.create(
-          type:              'audit.app.revision.create',
-          actor:             user_audit_info.user_guid,
-          actor_type:        'user',
-          actor_name:        user_audit_info.user_email,
-          actor_username:    user_audit_info.user_name,
-          actee:             app.guid,
-          actee_type:        'app',
-          actee_name:        app.name,
-          timestamp:         Sequel::CURRENT_TIMESTAMP,
-          metadata:          {
-            revision_guid: revision.guid,
-            revision_version: revision.version
-          },
-          space_guid:        app.space_guid,
-          organization_guid: app.space.organization_guid,
-        )
+        create_revision_event('audit.app.revision.create', app, revision, user_audit_info)
       end
 
       def self.record_show_environment_variables(revision, app, user_audit_info)
+        create_revision_event('audit.app.revision.environment_variables.show', app, revision, user_audit_info)
+      end
+
+      def self.create_revision_event(type, app, revision, user_audit_info)
         Event.create(
-          type:              'audit.app.revision.environment_variables.show',
-          actor:             user_audit_info.user_guid,
-          actor_type:        'user',
-          actor_name:        user_audit_info.user_email,
-          actor_username:    user_audit_info.user_name,
-          actee:             app.guid,
-          actee_type:        'app',
-          actee_name:        app.name,
-          timestamp:         Sequel::CURRENT_TIMESTAMP,
-          metadata:          {
+          type: type,
+          actor: user_audit_info.user_guid,
+          actor_type: 'user',
+          actor_name: user_audit_info.user_email,
+          actor_username: user_audit_info.user_name,
+          actee: app.guid,
+          actee_type: 'app',
+          actee_name: app.name,
+          timestamp: Sequel::CURRENT_TIMESTAMP,
+          metadata: {
             revision_guid: revision.guid,
             revision_version: revision.version
           },
-          space_guid:        app.space_guid,
+          space_guid: app.space_guid,
           organization_guid: app.space.organization_guid,
         )
       end
+
+      private_class_method :create_revision_event
     end
   end
 end