require 'models/topic' class Reply < Topic validate :errors_on_empty_content validate_on_create :title_is_wrong_create validate :check_empty_title validate_on_create :check_content_mismatch validate_on_update :check_wrong_update attr_accessible :title, :author_name, :author_email_address, :written_on, :content, :last_read def check_empty_title errors[:title] << "Empty" unless attribute_present?("title") end def errors_on_empty_content errors[:content] << "Empty" unless attribute_present?("content") end def check_content_mismatch if attribute_present?("title") && attribute_present?("content") && content == "Mismatch" errors[:title] << "is Content Mismatch" end end def title_is_wrong_create errors[:title] << "is Wrong Create" if attribute_present?("title") && title == "Wrong Create" end def check_wrong_update errors[:title] << "is Wrong Update" if attribute_present?("title") && title == "Wrong Update" end end