public virtual async Task<HttpContent> Update(Uri requestUri, HttpContent content, IHttp http)
{
http.OriginalRequest.RequestUri = requestUri;
http.OriginalRequest.Content = content;
HttpResponseMessage response = await http.SendOriginalAsync();
return response.Content;
}
public async Task<JObject> DownloadChanges(Uri requestUri, IHttp http)
{
//get latest known timestamp for a reqeust
string timestamp = await GetLastTimestampForRequest(requestUri);
Uri stampedRequestUri;
if (timestamp != null)
{
stampedRequestUri = new Uri(string.Format("{0}&version={1}", requestUri.OriginalString, Uri.EscapeDataString(timestamp)));
}
else
{
stampedRequestUri = requestUri;
}
//send the timestamped request
http.OriginalRequest.RequestUri = stampedRequestUri;
HttpResponseMessage response = await http.SendOriginalAsync();
JObject json = await ResponseHelper.GetResponseAsJObject(response.Content);
// get the tablename out of the uri
string tableName = UriHelper.GetTableNameFromUri(requestUri);
using (await this.storage.Open())
{
JToken newtimestamp;
if (json.TryGetValue("__version", out newtimestamp))
{
await this.SetLastTimestampForRequest(requestUri, newtimestamp.ToString());
}
await this.storage.StoreData(tableName, ResponseHelper.GetResultsJArrayFromJson(json));
await this.storage.RemoveStoredData(tableName, ResponseHelper.GetDeletedJArrayFromJson(json));
}
return json;
}
