Renaming to CouchRest Model

Refactored basic directory structure.
Moved to ActiveSupport for Validations and Callbacks.
Cleaned up older code, and removed support for text property types.

lib/couchrest/model/property.rb

@@ -0,0 +1,96 @@
+# encoding: utf-8
+module CouchRest::Model
+  class Property
+
+    include ::CouchRest::Model::Typecast
+
+    attr_reader :name, :type, :type_class, :read_only, :alias, :default, :casted, :init_method, :options
+
+    # Attribute to define.
+    # All Properties are assumed casted unless the type is nil.
+    def initialize(name, type = nil, options = {})
+      @name = name.to_s
+      @casted = true
+      parse_type(type)
+      parse_options(options)
+      self
+    end
+
+    def to_s
+      name
+    end
+
+    # Cast the provided value using the properties details.
+    def cast(parent, value)
+      return value unless casted
+      if type.is_a?(Array)
+        if value.nil?
+          value = []
+        elsif [Hash, HashWithIndifferentAccess].include?(value.class)
+          # Assume provided as a Hash where key is index!
+          data = value
+          value = [ ]
+          data.keys.sort.each do |k|
+            value << data[k]
+          end
+        elsif value.class != Array
+          raise "Expecting an array or keyed hash for property #{parent.class.name}##{self.name}"
+        end
+        arr = value.collect { |data| cast_value(parent, data) }
+        # allow casted_by calls to be passed up chain by wrapping in CastedArray
+        value = type_class != String ? CastedArray.new(arr, self) : arr
+        value.casted_by = parent if value.respond_to?(:casted_by)
+      elsif !value.nil?
+        value = cast_value(parent, value)
+      end
+      value
+    end
+
+    # Cast an individual value, not an array
+    def cast_value(parent, value)
+      raise "An array inside an array cannot be casted, use CastedModel" if value.is_a?(Array)
+      value = typecast_value(value, self)
+      associate_casted_value_to_parent(parent, value)
+    end
+
+    def default_value
+      return if default.nil?
+      if default.class == Proc
+        default.call
+      else
+        Marshal.load(Marshal.dump(default))
+      end
+    end
+
+    private
+
+      def associate_casted_value_to_parent(parent, value)
+        value.casted_by = parent if value.respond_to?(:casted_by)
+        value
+      end
+
+      def parse_type(type)
+        if type.nil?
+          @casted = false
+          @type = nil 
+          @type_class = nil
+        else
+          base = type.is_a?(Array) ? type.first : type
+          base = Object if base.nil?
+          raise "Defining a property type as a #{type.class.name.humanize} is not supported in CouchRest Model!" if base.class != Class 
+          @type_class = base
+          @type = type
+        end
+      end
+
+      def parse_options(options)
+        @validation_format  = options.delete(:format)     if options[:format]
+        @read_only          = options.delete(:read_only)  if options[:read_only]
+        @alias              = options.delete(:alias)      if options[:alias]
+        @default            = options.delete(:default)    unless options[:default].nil?
+        @init_method        = options[:init_method] ? options.delete(:init_method) : 'new'
+        @options            = options
+      end
+
+  end
+end