find_version returns latest record if version is nil. Added versions_…

…count delegate Versioned model.
k41n · Mar 4, 2008 · 395b562 · 395b562
1 parent f54f087
commit 395b562
Showing 1 changed file with 16 additions and 1 deletion.
diff --git a/lib/acts_as_versioned.rb b/lib/acts_as_versioned.rb
@@ -266,6 +266,10 @@ def previous
             def next
               self.class.after(self)
             end
+
+            def versions_count
+              page.version
+            end
           end
 
           versioned_class.cattr_accessor :original_class
@@ -284,6 +288,11 @@ def self.included(base) # :nodoc:
           base.extend ClassMethods
         end
 
+        # Finds a specific version of this record
+        def find_version(version = nil)
+          self.class.find_version(id, version)
+        end
+
         # Saves a version of the model if applicable
         def save_version
           save_version_on_create if save_version?
@@ -309,6 +318,10 @@ def clear_old_versions
           end
         end
 
+        def versions_count
+          version
+        end
+
         # Reverts a model to a given version.  Takes either a version number or an instance of the versioned model
         def revert_to(version)
           if version.is_a?(self.class.versioned_class)
@@ -438,7 +451,9 @@ def write_changed_attribute(attr_name, attr_value)
 
         module ClassMethods
           # Finds a specific version of a specific row of this model
-          def find_version(id, version)
+          def find_version(id, version = nil)
+            return find(id) unless version
+
             find_versions(id, 
               :conditions => ["#{versioned_foreign_key} = ? AND version = ?", id, version], 
               :limit => 1).first