class Rails::Generators::GeneratedAttribute

Attributes

attr_options[R]
name[RW]
type[RW]

Public Class Methods

new(name, type=nil, index_type=false, attr_options={}) click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 40
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
parse(column_definition) click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 12
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

Public Instance Methods

default() click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 62
def default
  @default ||= case type
    when :integer                     then 1
    when :float                       then 1.5
    when :decimal                     then "9.99"
    when :datetime, :timestamp, :time then Time.now.to_s(:db)
    when :date                        then Date.today.to_s(:db)
    when :string                      then name == "type" ? "" : "MyString"
    when :text                        then "MyText"
    when :boolean                     then false
    when :references, :belongs_to     then nil
    else
      ""
  end
end
field_type() click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 48
def field_type
  @field_type ||= case type
    when :integer              then :number_field
    when :float, :decimal      then :text_field
    when :time                 then :time_select
    when :datetime, :timestamp then :datetime_select
    when :date                 then :date_select
    when :text                 then :text_area
    when :boolean              then :check_box
    else
      :text_field
  end
end
has_index?() click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 90
def has_index?
  @has_index
end
has_uniq_index?() click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 94
def has_uniq_index?
  @has_uniq_index
end
human_name() click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 78
def human_name
  name.to_s.humanize
end
index_name() click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 82
def index_name
  reference? ? "#{name}_id" : name
end
inject_index_options() click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 102
def inject_index_options
  has_uniq_index? ? ", :unique => true" : ''
end
inject_options() click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 98
def inject_options
  "".tap { |s| @attr_options.each { |k,v| s << ", :#{k} => #{v.inspect}" } }
end
reference?() click to toggle source
# File lib/rails/generators/generated_attribute.rb, line 86
def reference?
  self.type.in?([:references, :belongs_to])
end