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Add allow_nil option #3

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Add allow_nil option #3

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3 changes: 2 additions & 1 deletion lib/enum_field.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ module ClassMethods
# - define the STATUSES constant, which contains the acceptable values
def enum_field(field, possible_values, options={})
message = options[:message] || "invalid #{field}"
allow_nil = options[:allow_nil]
const_set field.to_s.pluralize.upcase, possible_values unless const_defined?(field.to_s.pluralize.upcase)

possible_values.each do |current_value|
Expand All @@ -37,7 +38,7 @@ def enum_field(field, possible_values, options={})
end
end

validates_inclusion_of field, :in => possible_values, :message => message
validates_inclusion_of field, :in => possible_values, :message => message, :allow_nil => allow_nil
end
end
end
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