Class: ActiveModel::Validations::BytesizeValidator
- Inherits:
-
EachValidator
- Object
- EachValidator
- ActiveModel::Validations::BytesizeValidator
- Defined in:
- lib/active_model/validations/bytesize.rb
Instance Attribute Summary collapse
-
#encoding ⇒ Object
readonly
Returns the value of attribute encoding.
Instance Method Summary collapse
- #check_validity! ⇒ Object
-
#initialize(options = {}) ⇒ BytesizeValidator
constructor
A new instance of BytesizeValidator.
- #validate_each(record, attribute, value) ⇒ Object
Constructor Details
#initialize(options = {}) ⇒ BytesizeValidator
Returns a new instance of BytesizeValidator.
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# File 'lib/active_model/validations/bytesize.rb', line 6 def initialize( = {}) super @encoding = Encoding.find([:encoding]) if [:encoding] end |
Instance Attribute Details
#encoding ⇒ Object (readonly)
Returns the value of attribute encoding.
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# File 'lib/active_model/validations/bytesize.rb', line 4 def encoding @encoding end |
Instance Method Details
#check_validity! ⇒ Object
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# File 'lib/active_model/validations/bytesize.rb', line 11 def check_validity! unless [:maximum].is_a?(Integer) && [:maximum] >= 0 raise ArgumentError, ":maximum must be set to a nonnegative Integer" end end |
#validate_each(record, attribute, value) ⇒ Object
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# File 'lib/active_model/validations/bytesize.rb', line 17 def validate_each(record, attribute, value) string = ActiveRecord::DatabaseValidations::MySQL.value_for_column(value, [:encoding]) if string.bytesize > [:maximum] = .except(:too_many_bytes, :maximum) = [:too_many_bytes] [:count] = [:maximum] [:message] ||= if record.errors.add(attribute, :too_many_bytes, ) end end |