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Contents
class Sequel::Model
module ClassMethods
# enums name: :steps, method: :step, field: :step_sid, default: 'o' do |list|
# list['o'] = 'Open'
# list['w'] = { name: 'Waiting', desc: '...' }.h
# end
# enums :steps
# list['o'] = 'Otvoreno'
# list['w'] = { name: 'Waiting', desc: '...' }.h
# end
# enums :steps, values: { 'o'=>'Open', 'w'=>'Waiting' }
# enums :kinds, ['string', 'boolean', 'textarea']
def enums name, opts={}, &block
if opts.class == Array
opts = {
values: opts,
field: false
}
end
opts[:default] ||= opts.first if opts[:values].class == Array
values = opts[:values] || {}.tap { |_| block.call(_) }
values = values.inject({}) { |h, (k,v)| h[k.to_s] = v; h }
opts[:method] ||= name.to_s.singularize
opts[:default] = values.keys.first unless opts.key?(:default)
opts[:default] = opts[:default].to_s
unless opts[:field].class == FalseClass
unless opts[:field]
opts[:field] = opts[:method] + '_id'
opts[:field] = opts[:method] + '_sid' unless db_schema[opts[:field].to_sym]
end
raise NameError.new('Field %s not found for enums %s' % [opts[:field], name]) unless db_schema[opts[:field].to_sym]
define_method(opts[:method]) do
value = send(opts[:field]).or opts[:default]
return unless value.present?
values[value.to_s] || raise('Key "%s" not found' % value)
end
end
# this is class method that will list all options
define_singleton_method(name) do |id=nil|
id ? values[id] : values
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems