Sha256: ce2ffc53ee09370d0d5a7fe13fbc7d418c7e8ba4e7d65385928ad69f4a9feb1f
Contents?: true
Size: 712 Bytes
Versions: 35
Compression:
Stored size: 712 Bytes
Contents
# A custom validator "set". It's similar to :presence validator
# Unlike :presence, :set doesn't care whether the associated record is valid or not, just that it is present
# Also unlike :presence, it only works on belongs_to
class SetValidator < ActiveModel::EachValidator
def validate_each( record, attribute, value)
association = record.class.reflect_on_association( attribute )
if association.nil? || !association.belongs_to?
raise ArgumentError, "Cannot validate existence on #{record.class} #{attribute}, not a :belongs_to association"
end
if record.send( attribute ).nil?
record.errors.add( attribute, "is not set")
end
end
end
Version data entries
35 entries across 35 versions & 3 rubygems