private static string GetNextUrl<T>(PaginatedResults<T> pagenatedResults, string request) {
int nextIndex = pagenatedResults.startIndex + pagenatedResults.itemsPerPage;
if (pagenatedResults.totalResults <= nextIndex) {
return null;
}
return string.Format("{0}{1}$startIndex={2}", request, request.Contains("?") ? "&" : "?", nextIndex);
}
private static List<TConverted> ExecuteRequestAndGetDeserializedResponse<TDeserialize, TConverted>(string accessToken, string requestUrl, DateTime? fromDate, Func<TDeserialize, TConverted> conversionFunc)
where TDeserialize : class {
string authorizationHeader = string.Format("Bearer {0}", accessToken);
string monthPart = !fromDate.HasValue ? string.Empty : string.Format("?{0}", string.Format(config.RequestForDatesPart, fromDate.Value.ToString("dd/MM/yyyy"), DateTime.UtcNow.ToString("dd/MM/yyyy")).Replace('-', '/'));
string fullRequest = string.Format("{0}{1}", requestUrl, monthPart);
var request = new RestRequest(Method.GET) { Resource = fullRequest };
request.AddHeader("Authorization", authorizationHeader);
var client = new RestClient(new Uri(SageConfig.SageBaseUri));
log.Info("Making sage request:{0}", fullRequest);
IRestResponse response = client.Execute(request);
PaginatedResults<TDeserialize> deserializedResponse = CreateDeserializedItems<TDeserialize>(CleanResponse(response.Content, typeof(TDeserialize).Name));
if (deserializedResponse == null) {
log.Error("Sage response deserialization failed");
return new List<TConverted>();
}
log.Info("Successfully serialized sage response");
var results = new List<TConverted>();
FillFromDeserializedData(deserializedResponse, results, conversionFunc);
string nextUrl = GetNextUrl(deserializedResponse, fullRequest);
while (nextUrl != null) {
request = new RestRequest(Method.GET) { Resource = nextUrl };
request.AddHeader("Authorization", authorizationHeader);
log.Info("Making another sage request:{0}", nextUrl);
response = client.Execute(request);
deserializedResponse = CreateDeserializedItems<TDeserialize>(CleanResponse(response.Content, typeof(TDeserialize).Name));
if (deserializedResponse == null) {
log.Error("Sage response deserialization failed");
return new List<TConverted>();
}
FillFromDeserializedData(deserializedResponse, results, conversionFunc);
nextUrl = GetNextUrl(deserializedResponse, fullRequest);
}
log.Info("Finished retreiving sage request");
return results;
}
private static void FillFromDeserializedData<TDeserialize, TConverted>(PaginatedResults<TDeserialize> deserializedResponse, List<TConverted> list, Func<TDeserialize, TConverted> conversionFunc) {
foreach (var deserializePaymentStatus in deserializedResponse.resources) {
TryConvertDeserialized(list, deserializePaymentStatus, conversionFunc);
}
}