Refactor

lib/act_as_time_as_boolean/base.rb

@@ -2,32 +2,49 @@ module ActAsTimeAsBoolean
 
   def self.included(base)
     base.define_singleton_method(:time_as_boolean) do |field, options={}|
-      field = field.to_sym
+      ActAsTimeAsBoolean.time_as_boolean_method field, options
+    end
+  end
 
-      self.send :define_method, field do
-        !send(:"#{field}_at").nil?
-      end
+protected
 
-      self.send :alias_method, :"#{field}?", :"#{field}"
+  def self.time_as_boolean_method(field, options)
+    field = field.to_sym
 
-      self.send :define_method, :"#{field}=" do |value|
-        if (value && value != 'false' && value != '0' && !self.send(field)) || (!value && self.send(field))
-          if value && value != 'false' && value != '0'
-            send :"#{field}_at=", Time.now
-            true
-          else
-            send :"#{field}_at=", nil
-          end
-        end
-      end
+    ActAsTimeAsBoolean.field_getter_method field
+    ActAsTimeAsBoolean.field_setter_method field
 
-      if options[:opposite]
-        self.send :define_method, :"#{options[:opposite]}" do
-          send(:"#{field}_at").nil?
-        end
+    if options[:opposite]
+      ActAsTimeAsBoolean.opposite_getter_method field, options[:opposite]
+    end
+  end
 
-        self.send :alias_method, :"#{options[:opposite]}?", :"#{options[:opposite]}"
+  def self.field_getter_method(field)
+    self.send :define_method, field do
+      !send(:"#{field}_at").nil?
+    end
+
+    self.send :alias_method, :"#{field}?", :"#{field}"
+  end
+
+  def self.field_setter_method(field)
+    self.send :define_method, :"#{field}=" do |value|
+      if (value && value != 'false' && value != '0' && !self.send(field)) || (!value && self.send(field))
+        if value && value != 'false' && value != '0'
+          send :"#{field}_at=", Time.now
+          true
+        else
+          send :"#{field}_at=", nil
+        end
       end
     end
   end
+
+  def self.opposite_getter_method(field, opposite)
+    self.send :define_method, :"#{opposite}" do
+      send(:"#{field}_at").nil?
+    end
+
+    self.send :alias_method, :"#{opposite}?", :"#{opposite}"
+  end
 end