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require 'active_support/time'
require 'active_support/core_ext/object/inclusion'
module Rails
module Generators
class GeneratedAttribute
attr_accessor :name, :type, :has_index, :attr_options
def initialize(name, type, has_index = false)
type = :string if type.blank?
@name, @type, @attr_options, @has_index = name, *parse_type_and_options(type), has_index.eql?("index")
end
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
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
def human_name
name.to_s.humanize
end
def reference?
self.type.in?([:references, :belongs_to])
end
def has_index?
@has_index
end
# parse possible attribute options like :limit for string/text/binary/integer or :precision/:scale for decimals
# when declaring options square brackets should be used since bash interpreter fails when parentheses are used
def parse_type_and_options(type)
attribute_options = case type
when /(string|text|binary|integer)\[(\d+)\]/
{:limit => $2.to_i}
when /decimal\[(\d+)\.(\d+)\]/
{:precision => $1.to_i, :scale => $2.to_i}
else; {}
end
[type.to_s.gsub(/\[.*\]/,'').to_sym, attribute_options]
end
def inject_options
@attr_options.blank? ? '' : ", #{@attr_options.to_s.gsub(/[{}]/, '')}"
end
end
end
end
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