/// <summary>
/// Requests the specified request method.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="requestMethod">The request method.</param>
/// <param name="url">The URL.</param>
/// <param name="requestData">The request data.</param>
/// <param name="options">The options.</param>
/// <returns>System.Threading.Tasks.Task<T>.</returns>
/// <exception cref="System.Exception">ClientId and ClientSecret is not set</exception>
/// <exception cref="PodioInvalidGrantException"></exception>
/// <exception cref="PodioBadRequestException"></exception>
/// <exception cref="PodioAuthorizationException"></exception>
/// <exception cref="PodioForbiddenException"></exception>
/// <exception cref="PodioNotFoundException"></exception>
/// <exception cref="PodioConflictException"></exception>
/// <exception cref="PodioGoneException"></exception>
/// <exception cref="PodioRateLimitException"></exception>
/// <exception cref="PodioServerException"></exception>
/// <exception cref="PodioUnavailableException"></exception>
/// <exception cref="PodioException"></exception>
private async Task <T> RequestAsync <T>(RequestMethod requestMethod, string url, dynamic requestData, dynamic options = null) where T : new()
{
Dictionary <string, string> requestHeaders = new Dictionary <string, string>();
var data = new List <string>();
string httpMethod = string.Empty;
string originalUrl = url;
url = this.ApiUrl + url;
//To use url other than api.podio.com, ex file download from files.podio.com
if (options != null && options.ContainsKey("url"))
{
url = options["url"];
}
if (string.IsNullOrEmpty(ClientId) || string.IsNullOrEmpty(ClientSecret))
{
throw new Exception("ClientId and ClientSecret is not set");
}
switch (requestMethod.ToString())
{
case "GET":
httpMethod = "GET";
requestHeaders["Content-type"] = "application/x-www-form-urlencoded";
if (requestData != null)
{
string query = EncodeAttributes(requestData);
url = url + "?" + query;
}
requestHeaders["Content-length"] = "0";
break;
case "DELETE":
httpMethod = "DELETE";
requestHeaders["Content-type"] = "application/x-www-form-urlencoded";
if (requestData != null)
{
string query = EncodeAttributes(requestData);
url = url + "?" + query;
}
requestHeaders["Content-length"] = "0";
break;
case "POST":
httpMethod = "POST";
if (options != null && options.ContainsKey("upload") && options["upload"])
{
requestHeaders["Content-type"] = "multipart/form-data";
data.Add("file");
}
else if (options != null && options.ContainsKey("oauth_request") && options["oauth_request"])
{
data.Add("oauth");
requestHeaders["Content-type"] = "application/x-www-form-urlencoded";
}
else
{
requestHeaders["Content-type"] = "application/json";
data.Add("post");
}
break;
case "PUT":
httpMethod = "PUT";
requestHeaders["Content-type"] = "application/json";
data.Add("put");
break;
}
if (OAuth != null && !string.IsNullOrEmpty(OAuth.AccessToken))
{
requestHeaders["Authorization"] = "OAuth2 " + OAuth.AccessToken;
if (options != null && options.ContainsKey("oauth_request") && options["oauth_request"])
{
requestHeaders.Remove("Authorization");
}
}
else
{
requestHeaders.Remove("Authorization");
}
if (options != null && options.ContainsKey("file_download") && options["file_download"])
{
requestHeaders["Accept"] = "*/*";
}
else
{
requestHeaders["Accept"] = "application/json";
}
var request = (HttpWebRequest)WebRequest.Create(url);
request.Method = httpMethod;
PodioResponse podioResponse = new PodioResponse();
var responseHeaders = new Dictionary <string, string>(StringComparer.CurrentCultureIgnoreCase);
var responseObject = new T();
if (requestHeaders.Any())
{
if (requestHeaders.ContainsKey("Accept"))
{
request.Accept = requestHeaders["Accept"];
}
if (requestHeaders.ContainsKey("Content-type"))
{
request.ContentType = requestHeaders["Content-type"];
}
if (requestHeaders.ContainsKey("Authorization"))
{
request.Headers["Authorization"] = requestHeaders["Authorization"];
}
}
if (data.Any())
{
foreach (string item in data)
{
if (item == "file")
{
await AddFileToRequestStream(requestData.filePath, requestData.fileName, requestData.mimeType, request);
}
else if (item == "oauth")
{
await WriteToRequestStream(EncodeAttributes(requestData), request);
}
else
{
await WriteToRequestStream(requestData, request);
}
}
}
try
{
WebResponse webResponse = await Task.Factory.FromAsync <WebResponse>(request.BeginGetResponse, request.EndGetResponse, request);
using (webResponse)
{
podioResponse.Status = (int)((HttpWebResponse)webResponse).StatusCode;
foreach (string key in webResponse.Headers.AllKeys)
{
responseHeaders.Add(key, webResponse.Headers[key]);
}
if (options != null && options.ContainsKey("file_download"))
{
using (var memoryStream = new MemoryStream())
{
var fileResponse = new FileResponse();
webResponse.GetResponseStream().CopyTo(memoryStream);
fileResponse.FileContents = memoryStream.ToArray();
fileResponse.ContentType = webResponse.ContentType;
fileResponse.ContentLength = webResponse.ContentLength;
return((T)fileResponse.ChangeType <T>());
}
}
else if (options != null && options.ContainsKey("return_raw"))
{
using (StreamReader sr = new StreamReader(webResponse.GetResponseStream()))
{
podioResponse.Body = sr.ReadToEnd();
return(podioResponse.Body);
}
}
else
{
using (StreamReader sr = new StreamReader(webResponse.GetResponseStream()))
{
podioResponse.Body = sr.ReadToEnd();
}
}
podioResponse.Headers = responseHeaders;
}
}
catch (WebException e)
{
using (WebResponse response = e.Response)
{
podioResponse.Status = (int)((HttpWebResponse)response).StatusCode;
foreach (string key in response.Headers.AllKeys)
{
responseHeaders.Add(key, response.Headers[key]);
}
using (StreamReader sr = new StreamReader(response.GetResponseStream()))
{
podioResponse.Body = sr.ReadToEnd();
}
podioResponse.Headers = responseHeaders;
}
}
if (podioResponse.Headers.ContainsKey("X-Rate-Limit-Remaining"))
{
RateLimitRemaining = int.Parse(podioResponse.Headers["X-Rate-Limit-Remaining"]);
}
if (podioResponse.Headers.ContainsKey("X-Rate-Limit-Limit"))
{
RateLimit = int.Parse(podioResponse.Headers["X-Rate-Limit-Limit"]);
}
PodioError podioError = new PodioError();
if (podioResponse.Status >= 400)
{
podioError = JSONSerializer.Deserilaize <PodioError>(podioResponse.Body);
}
switch (podioResponse.Status)
{
case 200:
case 201:
responseObject = JSONSerializer.Deserilaize <T>(podioResponse.Body);
break;
case 204:
responseObject = default(T);
break;
case 400:
if (podioError.Error == "invalid_grant")
{
//Reset auth info
OAuth = new PodioOAuth();
throw new PodioInvalidGrantException(podioResponse.Status, podioError);
}
else
{
throw new PodioBadRequestException(podioResponse.Status, podioError);
}
case 401:
if (podioError.ErrorDescription == "expired_token" || podioError.Error == "invalid_token")
{
if (!string.IsNullOrEmpty(OAuth.RefreshToken))
{
//Refresh access token
var authInfo = await RefreshAccessTokenAsync();
if (authInfo != null && !string.IsNullOrEmpty(authInfo.AccessToken))
{
responseObject = await RequestAsync <T>(requestMethod, originalUrl, requestData, options);
}
}
else
{
throw new PodioAuthorizationException(podioResponse.Status, podioError);
}
}
break;
case 403:
throw new PodioForbiddenException(podioResponse.Status, podioError);
case 404:
throw new PodioNotFoundException(podioResponse.Status, podioError);
case 409:
throw new PodioConflictException(podioResponse.Status, podioError);
case 410:
throw new PodioGoneException(podioResponse.Status, podioError);
case 420:
throw new PodioRateLimitException(podioResponse.Status, podioError);
case 500:
throw new PodioServerException(podioResponse.Status, podioError);
case 502:
case 503:
case 504:
throw new PodioUnavailableException(podioResponse.Status, podioError);
default:
throw new PodioException(podioResponse.Status, podioError);
}
return(responseObject);
}
