/// <summary>
/// Constructor
/// </summary>
/// <param name="errorResponse">The response that caused the exception</param>
/// <param name="wex">The original web exception. This becomes the inner exception of ths exception</param>
public ChargifyException(HttpWebResponse errorResponse, WebException wex) :
base(string.Format("The server returned '{0}' with the status code {1} ({1:d}).", errorResponse.StatusDescription, errorResponse.StatusCode), wex)
{
_statusDescription = errorResponse.StatusDescription;
_statusCode = errorResponse.StatusCode;
// if there are any errors, parse them for user consumption
_errors = ChargifyError.ParseChargifyErrors(errorResponse);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="errorResponse">The response that caused the exception</param>
/// <param name="wex">The original web exception. This becomes the inner exception of ths exception</param>
public ChargifyException(HttpWebResponse errorResponse, WebException wex) :
base($"The server returned '{errorResponse.StatusDescription}' with the status code {errorResponse.StatusCode} ({errorResponse.StatusCode:d}).", wex)
{
StatusDescription = errorResponse.StatusDescription;
StatusCode = errorResponse.StatusCode;
// if there are any errors, parse them for user consumption
ErrorMessages = ChargifyError.ParseChargifyErrors(errorResponse);
}
/// <summary>
/// Method to parse the errors returned from Chargify after an unsuccessful interaction
/// </summary>
/// <param name="response">The HttpWebResponse instance which contains the error response</param>
/// <returns>The list of errors returned from Chargify</returns>
internal static List <ChargifyError> ParseChargifyErrors(HttpWebResponse response)
{
if (response != null)
{
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
string errorResponse = reader.ReadToEnd();
List <ChargifyError> errors = new List <ChargifyError>();
// Response is frequently " " ...
if (string.IsNullOrEmpty(errorResponse.Trim()))
{
return(errors);
}
if (errorResponse.IsXml())
{
// New way - Linq-y
XDocument xdoc = XDocument.Parse(errorResponse);
var results = from e in xdoc.Descendants("errors")
select new ChargifyError
{
Message = e.Value
};
errors = results.ToList();
}
else if (errorResponse.IsJSON())
{
// slightly different json response from the usual
int position = 0;
JsonObject obj = JsonObject.Parse(errorResponse, ref position);
if (obj.ContainsKey("errors"))
{
JsonArray array = obj["errors"] as JsonArray;
for (int i = 0; i <= array.Length - 1; i++)
{
if (((array.Items[i] as JsonString) != null) && (!string.IsNullOrEmpty((array.Items[i] as JsonString).Value)))
{
JsonString errorStr = array.Items[i] as JsonString;
ChargifyError anError = new ChargifyError(errorStr);
if (!errors.Contains(anError))
{
errors.Add(anError);
}
}
}
}
}
return(errors);
}
}
else
{
throw new ChargifyNetException("Unknown Error");
}
}
/// <summary>
/// Method to parse the errors returned from Chargify after an unsuccessful interaction
/// </summary>
/// <param name="response">The HttpWebResponse instance which contains the error response</param>
/// <returns>The list of errors returned from Chargify</returns>
internal static List<ChargifyError> ParseChargifyErrors(HttpWebResponse response)
{
if (response != null)
{
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
string errorResponse = reader.ReadToEnd();
List<ChargifyError> errors = new List<ChargifyError>();
// Response is frequently " " ...
if (string.IsNullOrEmpty(errorResponse.Trim())) return errors;
if (errorResponse.IsXml())
{
// New way - Linq-y
XDocument xdoc = XDocument.Parse(errorResponse);
if (xdoc.Descendants("error").Count() > 0)
{
var results = from e in xdoc.Descendants("error")
select new ChargifyError
{
Message = e.Value
};
errors = results.ToList();
}
else
{
var results = from e in xdoc.Descendants("errors")
select new ChargifyError
{
Message = e.Value
};
errors = results.ToList();
}
}
else if (errorResponse.IsJSON())
{
// slightly different json response from the usual
int position = 0;
JsonObject obj = JsonObject.Parse(errorResponse, ref position);
if (obj.ContainsKey("errors"))
{
JsonArray array = obj["errors"] as JsonArray;
for (int i = 0; i <= array.Length - 1; i++)
{
if (((array.Items[i] as JsonString) != null) && (!string.IsNullOrEmpty((array.Items[i] as JsonString).Value)))
{
JsonString errorStr = array.Items[i] as JsonString;
ChargifyError anError = new ChargifyError(errorStr);
if (!errors.Contains(anError))
{
errors.Add(anError);
}
}
}
}
}
return errors;
}
}
else
{
throw new ChargifyNetException("Unknown Error");
}
}