Initial commit

.gitignore

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+*.gem
+*.rbc
+.bundle
+.config
+.yardoc
+Gemfile.lock
+InstalledFiles
+_yardoc
+coverage
+doc/
+lib/bundler/man
+pkg
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp

.rspec

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+--colour
+--backtrace

.rvmrc

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+rvm use --create 1.9.3@active_data

.travis.yml

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+rvm:
+  - 1.9.2
+  - 1.9.3
+  - ruby-head
+  #- rbx-19mode

Gemfile

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+source 'https://rubygems.org'
+
+# Specify your gem's dependencies in active_data.gemspec
+gemspec
+
+gem 'guard'
+gem 'guard-rspec'
+
+if RUBY_PLATFORM =~ /darwin/i
+  gem 'rb-fsevent'
+else
+  gem 'rb-inotify'
+  gem 'libnotify'
+end

Guardfile

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+# A sample Guardfile
+# More info at https://github.com/guard/guard#readme
+
+guard 'rspec', :version => 2 do
+  watch(%r{^spec/.+_spec\.rb$})
+  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
+  watch('spec/spec_helper.rb')  { "spec" }
+
+  # Rails example
+  watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
+  watch(%r{^app/(.*)(\.erb|\.haml)$})                 { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
+  watch(%r{^app/controllers/(.+)_(controller)\.rb$})  { |m| ["spec/routing/#{m[1]}_routing_spec.rb", "spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb", "spec/acceptance/#{m[1]}_spec.rb"] }
+  watch(%r{^spec/support/(.+)\.rb$})                  { "spec" }
+  watch('config/routes.rb')                           { "spec/routing" }
+  watch('app/controllers/application_controller.rb')  { "spec/controllers" }
+  # Capybara request specs
+  watch(%r{^app/views/(.+)/.*\.(erb|haml)$})          { |m| "spec/requests/#{m[1]}_spec.rb" }
+end
+

LICENSE

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+Copyright (c) 2012 pyromaniac
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# ActiveData
+
+TODO: Write a gem description
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+    gem 'active_data'
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install active_data
+
+## Usage
+
+TODO: Write usage instructions here
+
+## Contributing
+
+1. Fork it
+2. Create your feature branch (`git checkout -b my-new-feature`)
+3. Commit your changes (`git commit -am 'Added some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create new Pull Request

Rakefile

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+#!/usr/bin/env rake
+require "bundler/gem_tasks"

active_data.gemspec

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+# -*- encoding: utf-8 -*-
+require File.expand_path('../lib/active_data/version', __FILE__)
+
+Gem::Specification.new do |gem|
+  gem.authors       = ["pyromaniac"]
+  gem.email         = ["[email protected]"]
+  gem.description   = %q{Making object from any hash or hash array}
+  gem.summary       = %q{Working with hashes in AR style}
+  gem.homepage      = ""
+
+  gem.files         = `git ls-files`.split($\)
+  gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
+  gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
+  gem.name          = "active_data"
+  gem.require_paths = ["lib"]
+  gem.version       = ActiveData::VERSION
+
+  gem.add_development_dependency "rake"
+  gem.add_development_dependency "rspec"
+  gem.add_runtime_dependency "activesupport"
+  gem.add_runtime_dependency "activemodel"
+end

lib/active_data.rb

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+require 'active_support/concern'
+require 'active_support/core_ext'
+require 'active_support/hash_with_indifferent_access'
+require 'active_model'
+require 'active_data/version'
+require 'active_data/model'
+
+module ActiveData
+end

lib/active_data/model.rb

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+require 'active_data/model/collectionizable'
+require 'active_data/model/attributable'
+require 'active_data/model/extensions'
+
+module ActiveData
+  module Model
+
+    extend ActiveSupport::Concern
+
+    included do
+      include ActiveModel::Conversion
+      include ActiveModel::Dirty
+      include ActiveModel::Validations
+      include ActiveModel::MassAssignmentSecurity
+      include ActiveModel::Serialization
+      include ActiveModel::Serializers::JSON
+      include ActiveModel::Serializers::Xml
+
+      include Attributable
+      include Collectionizable
+      extend ActiveModel::Callbacks
+      extend ActiveModel::Naming
+      extend ActiveModel::Translation
+
+      self.include_root_in_json = false
+
+      def initialize attributes = {}
+        @attributes = self.class.initialize_attributes
+        @new_record = true
+        assign_attributes attributes
+      end
+
+      def self.i18n_scope
+        :active_data
+      end
+    end
+
+    module ClassMethods
+      def instantiate attributes = nil
+        attributes ||= {}
+        return attributes if attributes.instance_of? self
+
+        instance = allocate
+
+        instance.instance_variable_set(:@attributes, initialize_attributes)
+        instance.instance_variable_set(:@new_record, false)
+        instance.attributes = attributes
+
+        instance
+      end
+    end
+
+    def errors
+      @errors ||= ActiveModel::Errors.new(self)
+    end
+
+    def persisted?
+      !@new_record
+    end
+
+    def == other
+      other.instance_of?(self.class) && other.attributes == attributes
+    end
+
+    def assign_attributes(attributes, options = {})
+      super(sanitize_for_mass_assignment((attributes.presence || {}), options[:as]))
+    end
+
+  end
+end

lib/active_data/model/attributable.rb

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+require 'active_data/model/serializable'
+
+module ActiveData
+  module Model
+    module Attributable
+      include Serializable
+      extend ActiveSupport::Concern
+
+      included do
+        class_attribute :_attributes, :instance_reader => false, :instance_writer => false
+        self._attributes = ActiveSupport::HashWithIndifferentAccess.new
+
+        delegate :attribute_default, :to => 'self.class'
+      end
+
+      module ClassMethods
+        def attribute name, options = {}, &block
+          default = options.is_a?(Hash) ? options[:default] : options
+          type = options.is_a?(Hash) ? normalize_type(options[:type]) : String
+          self._attributes = self._attributes.merge(name => {
+            default: (block || default),
+            type: type
+          })
+
+          define_method name do
+            read_attribute(name)
+          end
+          define_method "#{name}_before_type_cast" do
+            read_attribute_before_type_cast(name)
+          end
+          define_method "#{name}?" do
+            read_attribute(name).present?
+          end
+          define_method "#{name}=" do |value|
+            write_attribute(name, value)
+          end
+
+          if options.is_a?(Hash) && options[:in]
+            define_singleton_method "#{name}_values" do
+              options[:in].dup
+            end
+          end
+        end
+
+        def normalize_type type
+          case type
+          when String, Symbol then
+            type.to_s.camelize.safe_constantize
+          when nil then
+            String
+          else
+            type
+          end
+        end
+
+        def attribute_default name
+          default = _attributes[name][:default]
+          default.respond_to?(:call) ? default.call : default
+        end
+
+        def initialize_attributes
+          _attributes.inject(ActiveSupport::HashWithIndifferentAccess.new) do |result, (name, value)|
+            result[name] = nil
+            result
+          end
+        end
+      end
+
+      def read_attribute name
+        @attributes[name].nil? ? attribute_default(name) : @attributes[name]
+      end
+      alias_method :[], :read_attribute
+
+      def read_attribute_before_type_cast name
+        deserialize(send(name))
+      end
+
+      def write_attribute name, value
+        type = self.class._attributes[name][:type]
+        @attributes[name] = serialize(value, type)
+      end
+      alias_method :[]=, :write_attribute
+
+      def attributes
+        Hash[attribute_names.map { |name| [name, send(name)] }]
+      end
+
+      def present_attributes
+        Hash[attribute_names.map do |name|
+          value = send(name)
+          [name, value] if value.present?
+        end]
+      end
+
+      def attribute_names
+        @attributes.keys
+      end
+
+      def attributes= attributes
+        assign_attributes(attributes)
+      end
+
+      def update_attributes attributes
+        self.attributes = attributes
+      end
+
+    private
+
+      def assign_attributes attributes
+        (attributes.presence || {}).each do |(name, value)|
+          send("#{name}=", value) if respond_to?("#{name}=")
+        end
+        self.attributes
+      end
+
+    end
+  end
+end