public async virtual Task <IActionResult> PostMetadataAsync([FromBody] List <TimeseriesMetadata> items) { try { if (items == null || items.Count == 0) { return(BadRequest($"List of timeseries metadata must be specified")); } var data = items.Select(i => new TimeseriesMetadata { Id = string.IsNullOrEmpty(i.Id) ? Guid.NewGuid().ToString() : i.Id, Created = i.Created, Description = i.Description, Name = i.Name, Source = i.Source, Units = i.Units, Updated = i.Updated }).ToList(); await timeseriesMetadataRepository.CreateManyAsync(data); return(Created(this.BuildLink(), data)); } catch (Exception e) { return(this.InternalServerError(e.FlattenMessages())); } }