public async Task UpsertDocument <T>(string collectionId, string documentId, DocumentBase <T> item)
{
if (string.IsNullOrWhiteSpace(collectionId))
{
throw new ArgumentNullException(nameof(collectionId));
}
if (string.IsNullOrWhiteSpace(documentId))
{
throw new ArgumentNullException(nameof(documentId));
}
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (item.VM == null)
{
throw new ArgumentNullException(nameof(item.VM));
}
if (string.IsNullOrWhiteSpace(item.ETag))
{
throw new ArgumentNullException(nameof(item.ETag));
}
var accessOption = new AccessCondition {
Condition = item.ETag, Type = AccessConditionType.IfMatch
};
var collectionUri = UriFactory.CreateDocumentCollectionUri(dbId, collectionId);
try
{
//Here we need to await so as to convert the exception to the correct, domain-specific one.
await client.UpsertDocumentAsync(collectionUri, DocumentWrapper.FromBase(item, documentId),
new RequestOptions { AccessCondition = accessOption }, true);
}
catch (DocumentClientException ex) when(ex.StatusCode == HttpStatusCode.PreconditionFailed || ex.StatusCode == HttpStatusCode.Conflict)
{
throw new ConcurrencyException(ex.Message, JsonConvert.SerializeObject(item));
}
}
