create from has_magic_columns

ikeqiao
Showing 21 changed files with 692 additions and 0 deletions Show diff stats
.gitignore
.rspec
Gemfile
LICENSE.txt
README.md
Rakefile
has_magic_fields.gemspec
lib/generators/has_magic_fields/install/USAGE
lib/generators/has_magic_fields/install/install_generator.rb
lib/generators/has_magic_fields/install/templates/migration.rb
lib/has_magic_fields.rb
lib/has_magic_fields/extend.rb
lib/has_magic_fields/models/magic_attribute.rb
lib/has_magic_fields/models/magic_attribute_relationship.rb
lib/has_magic_fields/models/magic_field.rb
lib/has_magic_fields/models/magic_field_relationship.rb
lib/has_magic_fields/models/magic_option.rb
lib/has_magic_fields/version.rb
rails/init.rb
spec/has_magic_fields/magic_fileds_spec.rb
+++ a/.gitignore
@@ -0,0 +1,18 @@
+*.gem
+*.rbc
+.bundle
+.config
+.yardoc
+Gemfile.lock
+InstalledFiles
+_yardoc
+coverage
+doc/
+lib/bundler/man
+pkg
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp
+log
+++ a/.rspec
@@ -0,0 +1 @@
+--color --format documentation
+++ a/Gemfile
@@ -0,0 +1,8 @@
+source "http://ruby.taobao.org"
+
+gem 'rails', ' >= 4.0.0'
+
+group :test do
+  gem 'rspec-rails', ' >= 3.0.0'
+  gem 'sqlite3'
+end
+++ a/LICENSE.txt
@@ -0,0 +1,22 @@
+Copyright (c) 2014 ikeqiao
+
+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.
+++ a/README.md
@@ -0,0 +1,29 @@
+# HasMagicFields
+
+TODO: Write a gem description
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+    gem 'has_magic_fields'
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install has_magic_fields
+
+## 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 'Add some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create new Pull Request
+++ a/Rakefile
@@ -0,0 +1,7 @@
+require 'rake'
+require "rspec"
+require File.expand_path('../spec/spec_helper', __FILE__)
+
+task :default do
+  system 'bundle exec rspec spec'
+end
 \ No newline at end of file
+++ a/has_magic_fields.gemspec
@@ -0,0 +1,25 @@
+# coding: utf-8
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require 'has_magic_fields/version'
+
+Gem::Specification.new do |s|
+  s.name          = "has_magic_fields"
+  s.version       = HasMagicFields::VERSION
+  s.authors       = ["ikeqiao"]
+  s.email         = ["zhzsi@126.com"]
+  s.description   = %q{TODO: Write a gem description}
+  s.summary       = %q{TODO: Write a gem summary}
+  s.homepage      = ""
+  s.license       = "MIT"
+
+  s.files         = `git ls-files`.split($/)
+  s.executables   = s.files.grep(%r{^bin/}) { |f| File.basename(f) }
+  s.test_files    = s.files.grep(%r{^(test|s|features)/})
+  s.require_paths = ["lib"]
+
+  s.add_development_dependency "bundler", "~> 1.3"
+  s.add_development_dependency "rake"
+  s.add_dependency("rails", [">= 4.0.0"])
+
+end
+++ a/lib/generators/has_magic_fields/install/USAGE
@@ -0,0 +1,8 @@
+Description:
+    Add a migration for has_magic_fields.
+
+Example:
+    rails generate has_magic_fields:install
+
+    This will create:
+        db/migrate/XXX_add_has_magic_fields_tables.rb
+++ a/lib/generators/has_magic_fields/install/install_generator.rb
@@ -0,0 +1,24 @@
+require 'rails/generators/base'
+
+module HasMagicFields
+  class InstallGenerator < Rails::Generators::Base
+    include Rails::Generators::Migration
+
+    source_root File.expand_path('../templates',__FILE__)
+
+    desc "Add has_magic_fields migration."
+
+    def self.next_migration_number(path)
+      unless @prev_migration_nr
+        @prev_migration_nr = Time.now.utc.strftime("%Y%m%d%H%M%S").to_i
+      else
+        @prev_migration_nr += 1
+      end
+      @prev_migration_nr.to_s
+    end
+
+    def add_migration
+      migration_template "migration.rb", "db/migrate/add_has_magic_fields_tables.rb"
+    end
+  end
+end
+++ a/lib/generators/has_magic_fields/install/templates/migration.rb
@@ -0,0 +1,51 @@
+class AddHasMagicFieldsTables < ActiveRecord::Migration
+  def change
+    create_table :magic_fields do |t|
+      t.column :name,           :string
+      t.column :pretty_name,    :string
+      t.column :datatype,       :string, :default => "string"
+      t.column :default,        :string
+      t.column :is_required,    :boolean, :default => false
+      t.column :include_blank,  :boolean, :default => false
+      t.column :allow_other,    :boolean, :default => true
+      t.column :created_at,     :datetime
+      t.column :updated_at,     :datetime
+    end
+    
+    create_table :magic_attributes do |t|
+      t.column :magic_field_id, :integer
+      t.column :magic_option_id, :integer
+      t.column :value, :string
+      t.column :created_at, :datetime
+      t.column :updated_at, :datetime
+    end
+    
+    create_table :magic_options do |t|
+      t.column :magic_field_id, :integer
+      t.column :value, :string
+      t.column :synonym, :string
+      t.column :created_at, :datetime
+      t.column :updated_at, :datetime
+    end
+    
+    create_table :magic_field_relationships do |t|
+      t.column :magic_field_id, :integer
+      t.column :owner_id, :integer
+      t.column :owner_type, :string
+      t.column :created_at, :datetime
+      t.column :updated_at, :datetime
+    end
+    
+    create_table :magic_attribute_relationships do |t|
+      t.column :magic_attribute_id, :integer
+      t.column :owner_id, :integer
+      t.column :owner_type, :string
+    end  
+
+    add_index :magic_attributes, [:magic_field_id, :magic_option_id], name:"attributes_column_option"
+    add_index :magic_attribute_relationships, [:magic_attribute_id, :owner_id], name:"magic_attribute_owner"
+    add_index :magic_field_relationships, [:magic_field_id, :owner_id], name:"magic_field_owner"
+    
+  end
+
+end
 \ No newline at end of file
+++ a/lib/has_magic_fields.rb
@@ -0,0 +1,10 @@
+require "has_magic_fields/version"
+require "has_magic_fields/models/magic_attribute"
+require "has_magic_fields/models/magic_field"
+require "has_magic_fields/models/magic_option"
+require "has_magic_fields/models/magic_attribute_relationship"
+require "has_magic_fields/models/magic_field_relationship"
+require "has_magic_fields/extend"
+
+
+
+++ a/lib/has_magic_fields/extend.rb
@@ -0,0 +1,173 @@
+module HasMagicFields
+  module Extend extend ActiveSupport::Concern
+    module ClassMethods
+      def has_magic_fields(options = {})
+        # Associations
+        has_many :magic_attribute_relationships, :as => :owner, :dependent => :destroy
+        has_many :magic_attributes, :through => :magic_attribute_relationships, :dependent => :destroy
+        
+        # Eager loading - EXPERIMENTAL!
+        if options[:eager]
+          class_eval do
+            def after_initialize
+              initialize_magic_fields
+            end
+          end
+        end
+        
+        # Inheritence
+        cattr_accessor :inherited_from
+
+        # if options[:through] is supplied, treat as an inherited relationship
+        if self.inherited_from = options[:through]
+          class_eval do
+            def inherited_magic_fields
+              raise "Cannot inherit MagicFields from a non-existant association: #{@inherited_from}" unless self.class.method_defined?(inherited_from)# and self.send(inherited_from)
+              self.send(inherited_from).magic_fields
+            end
+          end
+          alias_method :magic_fields, :inherited_magic_fields unless method_defined? :magic_fields
+
+        # otherwise the calling model has the relationships
+        else
+          has_many :magic_field_relationships, :as => :owner, :dependent => :destroy
+          has_many :magic_fields, :through => :magic_field_relationships, :dependent => :destroy
+        end
+        
+        # # Hook into Base
+        class_eval do
+          alias_method :reload_without_magic, :reload
+          alias_method :create_or_update_without_magic, :create_or_update
+          alias_method :read_attribute_without_magic, :read_attribute
+        end 
+
+      
+        # Add Magic to Base
+        alias_method :reload, :reload_with_magic
+        alias_method :read_attribute, :read_attribute_with_magic
+        alias_method :create_or_update, :create_or_update_with_magic
+      end
+    end
+
+    included do
+      # Reinitialize MagicFields and MagicAttributes when Model is reloaded
+      def reload_with_magic
+        initialize_magic_fields
+        reload_without_magic
+      end
+
+      def update_attributes(new_attributes)
+        attributes = new_attributes.stringify_keys
+        magic_attrs = magic_fields.map(&:name)
+
+        super(attributes.select{ |k, v| !magic_attrs.include?(k) })
+        attributes.select{ |k, v| magic_attrs.include?(k) }.each do |k, v|
+          col = find_magic_field_by_name(k)
+          attr = find_magic_attribute_by_column(col).first
+          attr.update_attributes(:value => v)
+        end
+      end
+
+      private
+      
+      # Save MagicAttributes from @attributes
+      def create_or_update_with_magic
+        if result = create_or_update_without_magic
+          magic_fields.each do |column|
+            value = @attributes[column.name]
+            existing = find_magic_attribute_by_column(column)
+            
+            unless column.datatype == 'check_box_multiple'
+              (attr = existing.first) ? 
+                update_magic_attribute(attr, value) : 
+                create_magic_attribute(column, value)
+            else
+              #TODO - make this more efficient
+              value = [value] unless value.is_a? Array
+              existing.map(&:destroy) if existing
+              value.collect {|v| create_magic_attribute(column, v)}
+            end
+          end
+        end
+        result
+      end
+      
+      # Load (lazily) MagicAttributes or fall back
+      def method_missing(method_id, *args)
+        super(method_id, *args)
+      rescue NoMethodError
+        method_name = method_id.to_s
+        attr_names = magic_fields.map(&:name)
+        initialize_magic_fields and retry if attr_names.include?(method_name) or 
+          (md = /[\?|\=]/.match(method_name) and 
+          attr_names.include?(md.pre_match))
+        super(method_id, *args)
+      end
+      
+      # Load the MagicAttribute(s) associated with attr_name and cast them to proper type.
+      def read_attribute_with_magic(attr_name)
+        return read_attribute_without_magic(attr_name) if column_for_attribute(attr_name) # filter for regular columns
+        attr_name = attr_name.to_s
+        
+        if !(value = @attributes[attr_name]).nil?
+          if column = find_magic_field_by_name(attr_name)
+            if value.is_a? Array
+              value.map {|v| column.type_cast(v)}
+            else
+              column.type_cast(value)
+            end
+          else
+            value
+          end
+        else
+          nil
+        end
+      end
+      
+      # Lookup all MagicAttributes and setup @attributes
+      def initialize_magic_fields
+        magic_fields.each do |column| 
+          attribute = find_magic_attribute_by_column(column)
+          name = column.name
+          
+          # Validation
+          self.class.validates_presence_of(name) if column.is_required?
+
+          # Write attribute
+          unless column.datatype == 'check_box_multiple'
+            (attr = attribute.first) ?
+              write_magic_attribute(name, attr.to_s) :
+              write_magic_attribute(name, column.default)
+          else
+            write_magic_attribute(name, attribute.map(&:to_s))
+          end
+        end
+      end
+
+
+      def write_magic_attribute(magic_attribute, value)
+        @attributes[magic_attribute] = value
+        @attributes_cache[magic_attribute] = value
+      end
+      
+      def find_magic_attribute_by_column(column)
+        magic_attributes.to_a.find_all {|attr| attr.magic_field_id == column.id}
+      end
+      
+      def find_magic_field_by_name(attr_name)
+        magic_fields.to_a.find {|column| column.name == attr_name}
+      end
+      
+      def create_magic_attribute(magic_field, value)
+        magic_attributes << MagicAttribute.create(:magic_field => magic_field, :value => value)
+      end
+      
+      def update_magic_attribute(magic_attribute, value)
+        magic_attribute.update_attributes(:value => value)
+      end
+    end
+
+  end
+end
+
+
+++ a/lib/has_magic_fields/models/magic_attribute.rb
@@ -0,0 +1,29 @@
+# Always work through the interface MagicAttribute.value
+class MagicAttribute < ActiveRecord::Base
+  belongs_to :magic_field
+  belongs_to :magic_option
+
+  before_save :update_magic
+  
+  def to_s
+    (magic_option) ? magic_option.value : value
+  end
+  
+  def update_magic
+    if option = find_magic_option_for(value)
+      unless magic_option and magic_option == option
+        self.value = nil
+        self.magic_option = option
+      end
+    elsif magic_field.allow_other
+      self.magic_option = nil
+    end
+  end
+  
+private
+
+  def find_magic_option_for(value)
+    magic_field.magic_options.find(:first,
+      :conditions => ["value = ? or synonym = ?", value, value]) unless magic_field.nil? or magic_field.magic_options.blank?
+  end
+end
+++ a/lib/has_magic_fields/models/magic_attribute_relationship.rb
@@ -0,0 +1,4 @@
+class MagicAttributeRelationship < ActiveRecord::Base
+  belongs_to :magic_attribute
+  belongs_to :owner, :polymorphic => true
+end
+++ a/lib/has_magic_fields/models/magic_field.rb
@@ -0,0 +1,54 @@
+class MagicField < ActiveRecord::Base
+  has_many :magic_field_relationships
+  has_many :owners, :through => :magic_field_relationships, :as => :owner
+  has_many :magic_options
+  has_many :magic_attributes, :dependent => :destroy
+  
+  validates_presence_of :name, :datatype
+  validates_format_of :name, :with => /\A[a-z][a-z0-9_]+\z/
+  
+  def type_cast(value)
+    begin
+      case datatype.to_sym
+        when :check_box_boolean
+          (value.to_int == 1) ? true : false 
+        when :date
+          Date.parse(value)
+        when :datetime
+          Time.parse(value)
+        when :integer
+          value.to_int
+      else
+        value
+      end
+    rescue
+      value
+    end
+  end
+  
+  # Display a nicer (possibly user-defined) name for the column or use a fancified default.
+  def pretty_name
+    super || name.humanize
+  end
+
+  #get or set a variable with the variable as the called method
+  def self.method_missing(method, *args)
+        debugger
+
+    method_name = method.to_s
+    super(method, *args)
+  rescue NoMethodError
+    debugger
+    #set a value for a variable
+    if method_name =~ /=$/
+      var_name = method_name.gsub('=', '')
+      value = args.first
+      self[var_name] = value
+    #retrieve a value
+    else
+      self[method_name]
+    end
+  end
+
+  
+end
+++ a/lib/has_magic_fields/models/magic_field_relationship.rb
@@ -0,0 +1,5 @@
+class MagicFieldRelationship < ActiveRecord::Base
+  belongs_to :magic_field
+  belongs_to :owner, :polymorphic => true
+  #belongs_to :extended_model, :polymorphic => true
+end
+++ a/lib/has_magic_fields/models/magic_option.rb
@@ -0,0 +1,7 @@
+class MagicOption < ActiveRecord::Base
+  belongs_to :magic_field
+  
+  validates_presence_of :value
+  validates_uniqueness_of :value, :scope => :magic_field_id
+  validates_uniqueness_of :synonym, :scope => :magic_field_id, :if => Proc.new{|this| !this.synonym.nil? and !this.synonym.empty?}
+end
 \ No newline at end of file
+++ a/lib/has_magic_fields/version.rb
@@ -0,0 +1,3 @@
+module HasMagicFields
+  VERSION = "0.0.1"
+end
+++ a/rails/init.rb
@@ -0,0 +1 @@
+require 'has_magic_fields'
+++ a/spec/has_magic_fields/magic_fileds_spec.rb
@@ -0,0 +1,105 @@
+require 'spec_helper'
+
+
+describe HasMagicFields do
+
+  context "on a single model" do
+    before(:each) do
+      @charlie = Person.create(name: "charlie")
+    end
+
+    it "initializes magic fields correctly" do
+      expect(@charlie).not_to be(nil)
+      expect(@charlie.class).to be(Person)
+      expect(@charlie.magic_fields).not_to be(nil)
+    end
+
+    it "allows adding a magic field" do
+      @charlie.magic_fields.create(:name => 'salary')
+      expect(@charlie.magic_fields.length).to be(1)
+    end
+
+    it "allows setting and saving of magic attributes" do
+      @charlie.magic_fields.create(:name => 'salary')
+      @charlie.salary = 50000
+      @charlie.save
+      @charlie = Person.find(@charlie.id)
+      expect(@charlie.salary).not_to be(nil)
+    end
+
+    # it "forces required if is_required is true" do
+    #  # TODO figure out why this fails
+    #  @charlie.magic_fields.create(:name => "last_name", :is_required => true)
+    #  expect(@charlie.save).to be(false)
+    # end
+      
+    it "allows datatype to be :date" do
+      @charlie.magic_fields.create(:name => "birthday", :datatype => :date)
+      @charlie.birthday = Date.today
+      expect(@charlie.save).to be(true)
+    end
+
+    it "allows datatype to be :datetime" do
+      @charlie.magic_fields.create(:name => "signed_up_at", :datatype => :datetime)
+      @charlie.signed_up_at = DateTime.now
+      expect(@charlie.save).to be(true)
+    end
+
+    it "allows datatype to be :integer" do
+      @charlie.magic_fields.create(:name => "age", :datatype => :integer)
+      @charlie.age = 5
+      expect(@charlie.save).to be(true)
+    end
+
+    it "allows datatype to be :check_box_boolean" do
+      @charlie.magic_fields.create(:name => "retired", :datatype => :check_box_boolean)
+      @charlie.retired = false
+      expect(@charlie.save).to be(true)
+    end
+
+    it "allows default to be set" do
+      @charlie.magic_fields.create(:name => "bonus", :default => "40000")
+      expect(@charlie.bonus).to eq("40000")
+    end
+
+    it "allows a pretty display name to be set" do
+      @charlie.magic_fields.create(:name => "zip", :pretty_name => "Zip Code")
+      expect(@charlie.magic_fields.last.pretty_name).to eq("Zip Code")
+    end
+  end
+
+  context "in a parent-child relationship" do
+    before(:each) do
+      @account = Account.create(name:"important")
+      @alice = User.create(name:"alice", account: @account )
+    end
+
+    it "initializes magic fields correctly" do
+      expect(@alice).not_to be(nil)
+      expect(@alice.class).to be(User)
+      expect(@alice.magic_fields).not_to be(nil)
+
+      expect(@account).not_to be(nil)
+      expect(@account.class).to be(Account)
+      expect(@alice.magic_fields).not_to be(nil)
+    end
+
+    it "allows adding a magic field to the child" do
+      @alice.magic_fields.create(:name => 'salary')
+      expect(lambda{@alice.salary}).not_to raise_error
+      expect(lambda{@account.reload_with_magic.salary}).not_to raise_error
+    end
+
+    it "allows adding a magic field to the parent" do
+      @account.magic_fields.create(:name => 'age')
+      expect(lambda{@alice.reload_with_magic.age}).not_to raise_error
+    end
+
+    it "sets magic fields for all child models" do
+      @bob = User.create(name:"bob", account: @account )
+      @bob.magic_fields.create(:name => 'birthday')
+      @alice.reload_with_magic
+      expect(lambda{@alice.birthday}).not_to raise_error
+    end
+  end
+end
+++ a/spec/spec_helper.rb
@@ -0,0 +1,108 @@
+require 'rubygems'
+require "active_record"
+require 'active_support'
+require 'sqlite3'
+require 'active_record/fixtures'
+require 'debugger'
+
+
+$LOAD_PATH.unshift(File.dirname(__FILE__))
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'rails'))
+require "init"
+
+require "rails/railtie"
+
+# ActiveRecord::Base.logger = Logger.new(STDOUT)
+ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :database => ":memory:")
+# ActiveRecord::Base.configurations = true
+
+ActiveRecord::Schema.verbose = false
+
+ActiveRecord::Schema.define do
+
+  create_table "users", :force => true do |t|
+    t.column "name",       :text
+    t.column "account_id", :integer
+  end
+
+  create_table "accounts", :force => true do |t|
+    t.column "name",       :text
+  end
+
+  create_table "people", :force => true do |t|
+    t.column "name",       :text
+  end
+
+
+  # Has Magic Columns migration generator output
+
+  create_table :magic_fields do |t|
+    t.column :name,           :string
+    t.column :pretty_name,    :string
+    t.column :datatype,       :string, :default => "string"
+    t.column :default,        :string
+    t.column :is_required,    :boolean, :default => false
+    t.column :include_blank,  :boolean, :default => false
+    t.column :allow_other,    :boolean, :default => true
+    t.column :created_at,     :datetime
+    t.column :updated_at,     :datetime
+  end
+  
+  create_table :magic_attributes do |t|
+    t.column :magic_field_id, :integer
+    t.column :magic_option_id, :integer
+    t.column :value, :string
+    t.column :created_at, :datetime
+    t.column :updated_at, :datetime
+  end
+  
+  create_table :magic_options do |t|
+    t.column :magic_field_id, :integer
+    t.column :value, :string
+    t.column :synonym, :string
+    t.column :created_at, :datetime
+    t.column :updated_at, :datetime
+  end
+  
+  create_table :magic_field_relationships do |t|
+    t.column :magic_field_id, :integer
+    t.column :owner_id, :integer
+    t.column :owner_type, :string
+    t.column :created_at, :datetime
+    t.column :updated_at, :datetime
+  end
+  
+  create_table :magic_attribute_relationships do |t|
+    t.column :magic_attribute_id, :integer
+    t.column :owner_id, :integer
+    t.column :owner_type, :string
+  end   
+
+end
+
+
+RSpec.configure do |config|
+  
+  config.before(:all) do
+    class Account < ActiveRecord::Base
+      include HasMagicFields::Extend
+      has_many :users
+      has_magic_fields
+    end
+
+    class Person < ActiveRecord::Base
+      include HasMagicFields::Extend
+      has_magic_fields
+    end
+
+    class User < ActiveRecord::Base
+      include HasMagicFields::Extend
+      belongs_to :account
+      has_magic_fields :through => :account
+    end 
+  end
+  
+  config.after(:all) do
+  end
+end
+
	1	+++ a/.gitignore
@@ -0,0 +1,18 @@		@@ -0,0 +1,18 @@
	1	+*.gem
	2	+*.rbc
	3	+.bundle
	4	+.config
	5	+.yardoc
	6	+Gemfile.lock
	7	+InstalledFiles
	8	+_yardoc
	9	+coverage
	10	+doc/
	11	+lib/bundler/man
	12	+pkg
	13	+rdoc
	14	+spec/reports
	15	+test/tmp
	16	+test/version_tmp
	17	+tmp
	18	+log
	1	+++ a/.rspec
@@ -0,0 +1 @@		@@ -0,0 +1 @@
	1	+--color --format documentation
	1	+++ a/Gemfile
@@ -0,0 +1,8 @@		@@ -0,0 +1,8 @@
	1	+source "http://ruby.taobao.org"
	2	+
	3	+gem 'rails', ' >= 4.0.0'
	4	+
	5	+group :test do
	6	+ gem 'rspec-rails', ' >= 3.0.0'
	7	+ gem 'sqlite3'
	8	+end
	1	+++ a/LICENSE.txt
@@ -0,0 +1,22 @@		@@ -0,0 +1,22 @@
	1	+Copyright (c) 2014 ikeqiao
	2	+
	3	+MIT License
	4	+
	5	+Permission is hereby granted, free of charge, to any person obtaining
	6	+a copy of this software and associated documentation files (the
	7	+"Software"), to deal in the Software without restriction, including
	8	+without limitation the rights to use, copy, modify, merge, publish,
	9	+distribute, sublicense, and/or sell copies of the Software, and to
	10	+permit persons to whom the Software is furnished to do so, subject to
	11	+the following conditions:
	12	+
	13	+The above copyright notice and this permission notice shall be
	14	+included in all copies or substantial portions of the Software.
	15	+
	16	+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	17	+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	18	+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	19	+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
	20	+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
	21	+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
	22	+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	1	+++ a/README.md
@@ -0,0 +1,29 @@		@@ -0,0 +1,29 @@
	1	+# HasMagicFields
	2	+
	3	+TODO: Write a gem description
	4	+
	5	+## Installation
	6	+
	7	+Add this line to your application's Gemfile:
	8	+
	9	+ gem 'has_magic_fields'
	10	+
	11	+And then execute:
	12	+
	13	+ $ bundle
	14	+
	15	+Or install it yourself as:
	16	+
	17	+ $ gem install has_magic_fields
	18	+
	19	+## Usage
	20	+
	21	+TODO: Write usage instructions here
	22	+
	23	+## Contributing
	24	+
	25	+1. Fork it
	26	+2. Create your feature branch (`git checkout -b my-new-feature`)
	27	+3. Commit your changes (`git commit -am 'Add some feature'`)
	28	+4. Push to the branch (`git push origin my-new-feature`)
	29	+5. Create new Pull Request
		1	+++ a/Rakefile
	@@ -0,0 +1,7 @@		@@ -0,0 +1,7 @@
		1	+require 'rake'
		2	+require "rspec"
		3	+require File.expand_path('../spec/spec_helper', __FILE__)
		4	+
		5	+task :default do
		6	+ system 'bundle exec rspec spec'
		7	+end
0	\ No newline at end of file	8	\ No newline at end of file
	1	+++ a/has_magic_fields.gemspec
@@ -0,0 +1,25 @@		@@ -0,0 +1,25 @@
	1	+# coding: utf-8
	2	+lib = File.expand_path('../lib', __FILE__)
	3	+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
	4	+require 'has_magic_fields/version'
	5	+
	6	+Gem::Specification.new do \|s\|
	7	+ s.name = "has_magic_fields"
	8	+ s.version = HasMagicFields::VERSION
	9	+ s.authors = ["ikeqiao"]
	10	+ s.email = ["zhzsi@126.com"]
	11	+ s.description = %q{TODO: Write a gem description}
	12	+ s.summary = %q{TODO: Write a gem summary}
	13	+ s.homepage = ""
	14	+ s.license = "MIT"
	15	+
	16	+ s.files = `git ls-files`.split($/)
	17	+ s.executables = s.files.grep(%r{^bin/}) { \|f\| File.basename(f) }
	18	+ s.test_files = s.files.grep(%r{^(test\|s\|features)/})
	19	+ s.require_paths = ["lib"]
	20	+
	21	+ s.add_development_dependency "bundler", "~> 1.3"
	22	+ s.add_development_dependency "rake"
	23	+ s.add_dependency("rails", [">= 4.0.0"])
	24	+
	25	+end
	1	+++ a/lib/generators/has_magic_fields/install/USAGE
@@ -0,0 +1,8 @@		@@ -0,0 +1,8 @@
	1	+Description:
	2	+ Add a migration for has_magic_fields.
	3	+
	4	+Example:
	5	+ rails generate has_magic_fields:install
	6	+
	7	+ This will create:
	8	+ db/migrate/XXX_add_has_magic_fields_tables.rb
	1	+++ a/lib/generators/has_magic_fields/install/install_generator.rb
@@ -0,0 +1,24 @@		@@ -0,0 +1,24 @@
	1	+require 'rails/generators/base'
	2	+
	3	+module HasMagicFields
	4	+ class InstallGenerator < Rails::Generators::Base
	5	+ include Rails::Generators::Migration
	6	+
	7	+ source_root File.expand_path('../templates',__FILE__)
	8	+
	9	+ desc "Add has_magic_fields migration."
	10	+
	11	+ def self.next_migration_number(path)
	12	+ unless @prev_migration_nr
	13	+ @prev_migration_nr = Time.now.utc.strftime("%Y%m%d%H%M%S").to_i
	14	+ else
	15	+ @prev_migration_nr += 1
	16	+ end
	17	+ @prev_migration_nr.to_s
	18	+ end
	19	+
	20	+ def add_migration
	21	+ migration_template "migration.rb", "db/migrate/add_has_magic_fields_tables.rb"
	22	+ end
	23	+ end
	24	+end
		1	+++ a/lib/generators/has_magic_fields/install/templates/migration.rb
	@@ -0,0 +1,51 @@		@@ -0,0 +1,51 @@
		1	+class AddHasMagicFieldsTables < ActiveRecord::Migration
		2	+ def change
		3	+ create_table :magic_fields do \|t\|
		4	+ t.column :name, :string
		5	+ t.column :pretty_name, :string
		6	+ t.column :datatype, :string, :default => "string"
		7	+ t.column :default, :string
		8	+ t.column :is_required, :boolean, :default => false
		9	+ t.column :include_blank, :boolean, :default => false
		10	+ t.column :allow_other, :boolean, :default => true
		11	+ t.column :created_at, :datetime
		12	+ t.column :updated_at, :datetime
		13	+ end
		14	+
		15	+ create_table :magic_attributes do \|t\|
		16	+ t.column :magic_field_id, :integer
		17	+ t.column :magic_option_id, :integer
		18	+ t.column :value, :string
		19	+ t.column :created_at, :datetime
		20	+ t.column :updated_at, :datetime
		21	+ end
		22	+
		23	+ create_table :magic_options do \|t\|
		24	+ t.column :magic_field_id, :integer
		25	+ t.column :value, :string
		26	+ t.column :synonym, :string
		27	+ t.column :created_at, :datetime
		28	+ t.column :updated_at, :datetime
		29	+ end
		30	+
		31	+ create_table :magic_field_relationships do \|t\|
		32	+ t.column :magic_field_id, :integer
		33	+ t.column :owner_id, :integer
		34	+ t.column :owner_type, :string
		35	+ t.column :created_at, :datetime
		36	+ t.column :updated_at, :datetime
		37	+ end
		38	+
		39	+ create_table :magic_attribute_relationships do \|t\|
		40	+ t.column :magic_attribute_id, :integer
		41	+ t.column :owner_id, :integer
		42	+ t.column :owner_type, :string
		43	+ end
		44	+
		45	+ add_index :magic_attributes, [:magic_field_id, :magic_option_id], name:"attributes_column_option"
		46	+ add_index :magic_attribute_relationships, [:magic_attribute_id, :owner_id], name:"magic_attribute_owner"
		47	+ add_index :magic_field_relationships, [:magic_field_id, :owner_id], name:"magic_field_owner"
		48	+
		49	+ end
		50	+
		51	+end
0	\ No newline at end of file	52	\ No newline at end of file