Class: ActsAsParanoid::Validations::UniquenessWithoutDeletedValidator

Inherits:
ActiveRecord::Validations::UniquenessValidator
  • Object
show all
Defined in:
lib/acts_as_paranoid/validations.rb

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object 



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# File 'lib/acts_as_paranoid/validations.rb', line 10

def validate_each(record, attribute, value)
  finder_class = find_finder_class_for(record)
  table = finder_class.arel_table

  coder = record.class.serialized_attributes[attribute.to_s]

  if value && coder
    value = coder.dump value
  end

  relation = build_relation(finder_class, table, attribute, value)
  [Array(finder_class.primary_key), Array(record.send(:id))].transpose.each do |pk_key, pk_value|
    relation = relation.and(table[pk_key.to_sym].not_eq(pk_value))
  end if record.persisted?

  Array.wrap(options[:scope]).each do |scope_item|
    scope_value = record.send(scope_item)
    relation = relation.and(table[scope_item].eq(scope_value))
  end

  # Re-add ActsAsParanoid default scope conditions manually.
  if finder_class.unscoped.where(finder_class.paranoid_default_scope_sql).where(relation).exists?
    record.errors.add(attribute, :taken, options.except(:case_sensitive, :scope).merge(:value => value))
  end
end