Class: MongoModel::DocumentExtensions::Validations::UniquenessValidator
- Inherits:
-
ActiveModel::EachValidator
- Object
- ActiveModel::EachValidator
- MongoModel::DocumentExtensions::Validations::UniquenessValidator
- Defined in:
- lib/mongomodel/document/validations/uniqueness.rb
Instance Method Summary collapse
-
#initialize(options) ⇒ UniquenessValidator
constructor
A new instance of UniquenessValidator.
- #setup(klass) ⇒ Object
- #validate_each(record, attribute, value) ⇒ Object
Constructor Details
#initialize(options) ⇒ UniquenessValidator
Returns a new instance of UniquenessValidator.
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# File 'lib/mongomodel/document/validations/uniqueness.rb', line 7 def initialize() = .reverse_merge(:case_sensitive => true) ActiveSupport::Deprecation.silence { super } setup!([:class]) if [:class] && !@klass end |
Instance Method Details
#setup(klass) ⇒ Object
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# File 'lib/mongomodel/document/validations/uniqueness.rb', line 14 def setup(klass) setup!(klass) end |
#validate_each(record, attribute, value) ⇒ Object
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# File 'lib/mongomodel/document/validations/uniqueness.rb', line 18 def validate_each(record, attribute, value) finder_class = find_finder_class_for(record) unique_scope = finder_class.scoped if [:case_sensitive] || !value.is_a?(String) unique_scope = unique_scope.where(attribute => value) else unique_scope = unique_scope.where("_lowercase_#{attribute}" => value.downcase) end Array.wrap([:scope]).each do |scope| unique_scope = unique_scope.where(scope => record.send(scope)) end unique_scope = unique_scope.where(:id.ne => record.id) unless record.new_record? if unique_scope.any? record.errors.add(attribute, :taken, :message => [:message], :value => value) end end |