public Task <string> RequestLastestDocumentRevision(string documentId)
{
if (string.IsNullOrEmpty(documentId))
{
throw new ArgumentNullException("documentId");
}
var documentUri = uriConstructor.GetFullDocumentUri(documentId);
var request = new HttpRequestMessage(HttpMethod.Head, documentUri);
using (SyncContext.SwitchToDefault())
return(parent.RequestCouchDb(request).ContinueWith(
rt => {
var response = rt.Result;
if (!response.IsSuccessStatusCode)
{
var couchApiError = new CouchError(parent.Settings.Serializer, response);
couchApiError.ThrowDatabaseMissingExceptionIfNedded(uriConstructor);
couchApiError.ThrowStaleStateExceptionIfNedded("update", documentId);
couchApiError.ThrowInvalidDocumentExceptionIfNedded(documentId);
if (response.StatusCode == HttpStatusCode.NotFound)
{
return null;
}
couchApiError.ThrowCouchCommunicationException();
}
var etag = response.Headers.ETag;
if (etag == null || etag.Tag == null)
{
throw new ParseException("Etag header expected but was not found.");
}
return etag.Tag.Trim('"');
}));
}
private async Task<DocumentInfo> Save()
{
var request = new HttpRequestMessage(HttpMethod.Put, parent.uriConstructor.GetFullDocumentUri(document.Id)) {
Content = new JsonContent(document.RawJsonObject)
};
var response = await parent.parent.RequestCouchDb(request);
var documentId = document.Id;
if (!response.IsSuccessStatusCode)
{
var error = new CouchError(parent.parent.Settings.Serializer, response);
error.ThrowDatabaseMissingExceptionIfNedded(parent.uriConstructor);
if (error.IsConflict)
return conflictAction(error);
error.ThrowInvalidDocumentExceptionIfNedded(documentId);
error.ThrowCouchCommunicationException();
}
return await ReadDocumentInfo(response);
}
private async Task <DocumentInfo> Save()
{
var request = new HttpRequestMessage(HttpMethod.Put, parent.uriConstructor.GetFullDocumentUri(document.Id))
{
Content = new JsonContent(document.RawJsonObject)
};
var response = await parent.parent.RequestCouchDb(request);
var documentId = document.Id;
if (!response.IsSuccessStatusCode)
{
var error = new CouchError(parent.parent.Settings.Serializer, response);
error.ThrowDatabaseMissingExceptionIfNedded(parent.uriConstructor);
if (error.IsConflict)
{
return(conflictAction(error));
}
error.ThrowInvalidDocumentExceptionIfNedded(documentId);
error.ThrowCouchCommunicationException();
}
return(await ReadDocumentInfo(response));
}
public Task<string> RequestLastestDocumentRevision(string documentId)
{
if (string.IsNullOrEmpty(documentId)) throw new ArgumentNullException("documentId");
var documentUri = uriConstructor.GetFullDocumentUri(documentId);
var request = new HttpRequestMessage(HttpMethod.Head, documentUri);
using (SyncContext.SwitchToDefault())
return parent.RequestCouchDb(request).ContinueWith(
rt => {
var response = rt.Result;
if (!response.IsSuccessStatusCode)
{
var couchApiError = new CouchError(parent.Settings.Serializer, response);
couchApiError.ThrowDatabaseMissingExceptionIfNedded(uriConstructor);
couchApiError.ThrowStaleStateExceptionIfNedded("update", documentId);
couchApiError.ThrowInvalidDocumentExceptionIfNedded(documentId);
if (response.StatusCode == HttpStatusCode.NotFound)
return null;
couchApiError.ThrowCouchCommunicationException();
}
var etag = response.Headers.ETag;
if (etag == null || etag.Tag == null)
throw new ParseException("Etag header expected but was not found.");
return etag.Tag.Trim('"');
});
}