Module: ActiveRecord::EnumeratedModel

Defined in:
lib/active_record-enumerated_model/version.rb,
lib/active_record-enumerated_model/enumerated_model.rb

Defined Under Namespace

Modules: ClassMethods Classes: NilConstantError, UnknownAttributeError

Constant Summary collapse

VERSION = 
"0.1.2"

Class Method Summary collapse

Class Method Details

.constant_friendly_string(str) ⇒ Object 



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# File 'lib/active_record-enumerated_model/enumerated_model.rb', line 62

def self.constant_friendly_string(str)
  const = str.upcase
  const.gsub!(/\s+/, '_')       # replace whitespace with an underscore
  const.gsub!(/^[^A-Z]+/, '')   # remove leading numbers, symbols, etc
  const.gsub!(/[-\/\\]/, '_')   # turn these symbols into underscores
  const.gsub!(/[^A-Z_]/, '')    # remove anything that's not a letter or underscore
  const.gsub!(/_+/, '_')        # collapse multiple adjacent underscores
  const.gsub!(/[^A-Z0-9]$/, '') # always end with a non-symbol
  const
end

.included(caller) ⇒ Object 



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# File 'lib/active_record-enumerated_model/enumerated_model.rb', line 54

def self.included(caller)
  caller.extend(ClassMethods)
  caller.send(:include, ActiveRecord::ReadonlyModel)
  if caller.attribute_names.include? 'name'
    caller.create_enumeration_constants :name
  end
end