class Minidoc::Validations::UniquenessValidator

Public Class Methods

new(options) click to toggle source
Calls superclass method
# File lib/minidoc/validations.rb, line 3
def initialize(options)
  super(options.reverse_merge(case_sensitive: true))
end

Public Instance Methods

message(instance) click to toggle source
Calls superclass method
# File lib/minidoc/validations.rb, line 30
def message(instance)
  super || "has already been taken"
end
scope_conditions(instance) click to toggle source
# File lib/minidoc/validations.rb, line 34
def scope_conditions(instance)
  Array(options[:scope]).inject({}) do |conditions, key|
    conditions.merge(key => instance[key])
  end
end
validate_each(record, attribute, value) click to toggle source
# File lib/minidoc/validations.rb, line 7
def validate_each(record, attribute, value)
  conditions = scope_conditions(record)

  if options[:case_sensitive]
    conditions[attribute] = value
  else
    conditions[attribute] = /^#{Regexp.escape(value.to_s)}$/i
  end

  # Make sure we're not including the current document in the query
  if record._id
    conditions[:_id] = { "$ne" => record.id }
  end

  if record.class.exists?(conditions)
    record.errors.add(
      attribute,
      :taken,
      options.except(:case_sensitive, :scope).merge(value: value)
    )
  end
end