discourse/lib/has_errors.rb

40 lines
837 B
Ruby

# frozen_string_literal: true
# Helper functions for dealing with errors and objects that have
# child objects with errors
module HasErrors
attr_accessor :forbidden, :not_found, :conflict
def errors
@errors ||= ActiveModel::Errors.new(self)
end
def validate_child(obj)
return true if obj.valid?
add_errors_from(obj)
false
end
def rollback_with!(obj, error)
obj.errors.add(:base, error)
rollback_from_errors!(obj)
end
def rollback_from_errors!(obj)
add_errors_from(obj)
raise ActiveRecord::Rollback.new
end
def add_error(msg)
errors.add(:base, msg) unless errors[:base].include?(msg)
end
def add_errors_from(obj)
return if obj.blank?
return add_error(obj.message) if obj.is_a?(StandardError)
obj.errors.full_messages.each { |msg| add_error(msg) }
end
end