4105a3e59b
- negative years not yet supported
46 lines
1.4 KiB
Elixir
46 lines
1.4 KiB
Elixir
defmodule RDF.DateTime do
|
|
use RDF.Datatype, id: RDF.Datatype.NS.XSD.dateTime
|
|
|
|
|
|
# Special case for date and dateTime, for which 0 is not a valid year
|
|
def convert(%DateTime{year: 0} = value, opts), do: super(value, opts)
|
|
def convert(%DateTime{} = value, _), do: value |> strip_microseconds
|
|
|
|
# Special case for date and dateTime, for which 0 is not a valid year
|
|
def convert(%NaiveDateTime{year: 0} = value, opts), do: super(value, opts)
|
|
def convert(%NaiveDateTime{} = value, _), do: value |> strip_microseconds
|
|
|
|
def convert(value, opts) when is_binary(value) do
|
|
case DateTime.from_iso8601(value) do
|
|
{:ok, date_time, _} -> convert(date_time, opts)
|
|
|
|
{:error, :missing_offset} ->
|
|
case NaiveDateTime.from_iso8601(value) do
|
|
{:ok, date_time} -> convert(date_time, opts)
|
|
_ -> super(value, opts)
|
|
end
|
|
|
|
_ ->
|
|
super(value, opts)
|
|
end
|
|
end
|
|
|
|
def convert(value, opts), do: super(value, opts)
|
|
|
|
|
|
def canonical_lexical(%DateTime{} = value) do
|
|
DateTime.to_iso8601(value)
|
|
end
|
|
|
|
def canonical_lexical(%NaiveDateTime{} = value) do
|
|
NaiveDateTime.to_iso8601(value)
|
|
end
|
|
|
|
|
|
# microseconds are not part of the xsd:dateTime value space
|
|
defp strip_microseconds(%{microsecond: ms} = date_time) when ms != {0, 0},
|
|
do: %{date_time | microsecond: {0, 0}}
|
|
defp strip_microseconds(date_time),
|
|
do: date_time
|
|
|
|
end
|