class Champs::DatetimeChamp < Champ before_validation :convert_to_iso8601, unless: -> { validation_context == :prefill } validate :iso_8601 def search_terms # Text search is pretty useless for datetimes so we’re not including these champs end def to_s value.present? ? I18n.l(Time.zone.parse(value)) : "" end def for_tag value.present? ? I18n.l(Time.zone.parse(value)) : "" end private def convert_to_iso8601 if (value =~ /=>/).present? self.value = begin hash_date = YAML.safe_load(value.gsub('=>', ': ')) year, month, day, hour, minute = hash_date.values_at(1, 2, 3, 4, 5) Time.zone.local(year, month, day, hour, minute).iso8601 rescue nil end elsif /^\d{2}\/\d{2}\/\d{4}\s\d{2}:\d{2}$/.match?(value) # old browsers can send with dd/mm/yyyy hh:mm format self.value = Time.zone.strptime(value, "%d/%m/%Y %H:%M").iso8601 elsif /^\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}$/.match?(value) self.value = Time.zone.strptime(value, "%Y-%m-%d %H:%M").iso8601 elsif valid_iso8601? # a correct iso8601 datetime self.value = Time.zone.strptime(value, "%Y-%m-%dT%H:%M").iso8601 else self.value = nil end end def iso_8601 return if valid_iso8601? || value.blank? # i18n-tasks-use t('errors.messages.not_a_datetime') errors.add :datetime, errors.generate_message(:value, :not_a_datetime) end def valid_iso8601? /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}(:\d{2}[\+\-]\d{2}:\d{2})?$/.match?(value) end end