diff options
Diffstat (limited to 'railties/lib')
6 files changed, 78 insertions, 19 deletions
diff --git a/railties/lib/rails/generators/generated_attribute.rb b/railties/lib/rails/generators/generated_attribute.rb index 816d82cac3..132145474b 100644 --- a/railties/lib/rails/generators/generated_attribute.rb +++ b/railties/lib/rails/generators/generated_attribute.rb @@ -1,14 +1,48 @@ require 'active_support/time' require 'active_support/core_ext/object/inclusion' +require 'active_support/core_ext/object/blank' module Rails module Generators class GeneratedAttribute attr_accessor :name, :type + attr_reader :attr_options - def initialize(name, type) - type = :string if type.blank? - @name, @type = name, type.to_sym + class << self + def parse(column_definition) + name, type, has_index = column_definition.split(':') + + # if user provided "name:index" instead of "name:string:index" + # type should be set blank so GeneratedAttribute's constructor + # could set it to :string + has_index, type = type, nil if %w(index uniq).include?(type) + + type, attr_options = *parse_type_and_options(type) + new(name, type, has_index, attr_options) + end + + private + + # parse possible attribute options like :limit for string/text/binary/integer or :precision/:scale for decimals + # when declaring options curly brackets should be used + def parse_type_and_options(type) + case type + when /(string|text|binary|integer){(\d+)}/ + return $1, :limit => $2.to_i + when /decimal{(\d+),(\d+)}/ + return :decimal, :precision => $1.to_i, :scale => $2.to_i + else + return type, {} + end + end + end + + def initialize(name, type=nil, index_type=false, attr_options={}) + @name = name + @type = (type.presence || :string).to_sym + @has_index = %w(index uniq).include?(index_type) + @has_uniq_index = %w(uniq).include?(index_type) + @attr_options = attr_options end def field_type @@ -45,9 +79,29 @@ module Rails name.to_s.humanize end + def index_name + reference? ? "#{name}_id" : name + end + def reference? self.type.in?([:references, :belongs_to]) end + + def has_index? + @has_index + end + + def has_uniq_index? + @has_uniq_index + end + + def inject_options + @attr_options.blank? ? '' : ", #{@attr_options.to_s.gsub(/[{}]/, '')}" + end + + def inject_index_options + has_uniq_index? ? ", :unique => true" : '' + end end end end diff --git a/railties/lib/rails/generators/named_base.rb b/railties/lib/rails/generators/named_base.rb index e96fc63ee9..9cef55e0a6 100644 --- a/railties/lib/rails/generators/named_base.rb +++ b/railties/lib/rails/generators/named_base.rb @@ -150,9 +150,8 @@ module Rails # Convert attributes array into GeneratedAttribute objects. def parse_attributes! #:nodoc: - self.attributes = (attributes || []).map do |key_value| - name, type = key_value.split(':') - Rails::Generators::GeneratedAttribute.new(name, type) + self.attributes = (attributes || []).map do |attr| + Rails::Generators::GeneratedAttribute.parse(attr) end end diff --git a/railties/lib/rails/generators/rails/migration/migration_generator.rb b/railties/lib/rails/generators/rails/migration/migration_generator.rb index 39fa5b63b1..f87dce1502 100644 --- a/railties/lib/rails/generators/rails/migration/migration_generator.rb +++ b/railties/lib/rails/generators/rails/migration/migration_generator.rb @@ -1,7 +1,7 @@ module Rails module Generators class MigrationGenerator < NamedBase #metagenerator - argument :attributes, :type => :array, :default => [], :banner => "field:type field:type" + argument :attributes, :type => :array, :default => [], :banner => "field[:type][:index] field[:type][:index]" hook_for :orm, :required => true end end diff --git a/railties/lib/rails/generators/rails/model/model_generator.rb b/railties/lib/rails/generators/rails/model/model_generator.rb index 629d5eed3f..9bb29b784e 100644 --- a/railties/lib/rails/generators/rails/model/model_generator.rb +++ b/railties/lib/rails/generators/rails/model/model_generator.rb @@ -1,7 +1,7 @@ module Rails module Generators class ModelGenerator < NamedBase #metagenerator - argument :attributes, :type => :array, :default => [], :banner => "field:type field:type" + argument :attributes, :type => :array, :default => [], :banner => "field[:type][:index] field[:type][:index]" hook_for :orm, :required => true end end diff --git a/railties/lib/rails/generators/rails/scaffold/USAGE b/railties/lib/rails/generators/rails/scaffold/USAGE index be1d113ed8..4a3eb2c7c7 100644 --- a/railties/lib/rails/generators/rails/scaffold/USAGE +++ b/railties/lib/rails/generators/rails/scaffold/USAGE @@ -7,23 +7,29 @@ Description: under_scored, as the first argument, and an optional list of attribute pairs. - Attribute pairs are field:type arguments specifying the - model's attributes. Timestamps are added by default, so you don't have to - specify them by hand as 'created_at:datetime updated_at:datetime'. + Attributes are field arguments specifying the model's attributes. You can + optionally pass the type and an index to each field. For instance: + "title body:text tracking_id:integer:uniq" will generate a title field of + string type, a body with text type and a tracking_id as an integer with an + unique index. "index" could also be given instead of "uniq" if one desires + a non unique index. + + Timestamps are added by default, so you don't have to specify them by hand + as 'created_at:datetime updated_at:datetime'. You don't have to think up every attribute up front, but it helps to sketch out a few so you can start working with the resource immediately. - For example, 'scaffold post title:string body:text published:boolean' - gives you a model with those three attributes, a controller that handles + For example, 'scaffold post title body:text published:boolean' gives + you a model with those three attributes, a controller that handles the create/show/update/destroy, forms to create and edit your posts, and - an index that lists them all, as well as a resources :posts - declaration in config/routes.rb. + an index that lists them all, as well as a resources :posts declaration + in config/routes.rb. If you want to remove all the generated files, run 'rails destroy scaffold ModelName'. Examples: `rails generate scaffold post` - `rails generate scaffold post title:string body:text published:boolean` - `rails generate scaffold purchase order_id:integer amount:decimal` + `rails generate scaffold post title body:text published:boolean` + `rails generate scaffold purchase amount:decimal tracking_id:integer:uniq` diff --git a/railties/lib/rails/generators/test_case.rb b/railties/lib/rails/generators/test_case.rb index 7319fb79f6..d81c4c3e1d 100644 --- a/railties/lib/rails/generators/test_case.rb +++ b/railties/lib/rails/generators/test_case.rb @@ -218,8 +218,8 @@ module Rails # # create_generated_attribute(:string, 'name') # - def create_generated_attribute(attribute_type, name = 'test') - Rails::Generators::GeneratedAttribute.new(name, attribute_type.to_s) + def create_generated_attribute(attribute_type, name = 'test', index = nil) + Rails::Generators::GeneratedAttribute.parse([name, attribute_type, index].compact.join(':')) end protected |