allow opt_start_time usage in StreamSource

Signed-off-by: Guillaume Charbonnier <[email protected]>

Author: Guillaume Charbonnier

nats/js/api.py

@@ -176,16 +176,22 @@ class ExternalStream(Base):
 class StreamSource(Base):
     name: str
     opt_start_seq: Optional[int] = None
-    # FIXME: Handle time type, omit for now.
-    # opt_start_time: Optional[str] = None
+    opt_start_time: Optional[datetime.datetime] = None
     filter_subject: Optional[str] = None
     external: Optional[ExternalStream] = None
 
     @classmethod
     def from_response(cls, resp: Dict[str, Any]):
         cls._convert(resp, 'external', ExternalStream)
+        cls._convert_rfc3339(resp, 'opt_start_time')
         return super().from_response(resp)
 
+    def as_dict(self) -> Dict[str, object]:
+        result = super().as_dict()
+        if self.opt_start_time is not None:
+            result['opt_start_time'] = self._to_rfc3339(self.opt_start_time)
+        return result
+
 
 @dataclass
 class StreamSourceInfo(Base):