/// <summary>
/// Core implementation of processMethod. Retrieves a generic type.
/// </summary>
/// <typeparam name="T">Generic type that will return.</typeparam>
/// <param name="clazz">Type of Class we are using.</param>
/// <param name="resource">Resource we will use and return in the implementation.</param>
/// <param name="methodName">The name of the method we are trying to call.</param>
/// <param name="parameters">Parameters to use in the process.</param>
/// <param name="useCache">Cache configuration.</param>
/// <returns>Generic type object, containing information about retrieval process.</returns>
protected static T ProcessMethod <T>(Type clazz, T resource, string methodName, Dictionary <string, string> parameters, bool useCache) where T : MPBase
{
if (resource == null)
{
try
{
resource = (T)Activator.CreateInstance(clazz);
}
catch (Exception ex)
{
throw new MPException(ex.Message);
}
}
var clazzMethod = GetAnnotatedMethod(clazz, methodName);
var restData = GetRestInformation(clazzMethod);
HttpMethod httpMethod = (HttpMethod)restData["method"];
string path = ParsePath(restData["path"].ToString(), parameters, resource);
PayloadType payloadType = (PayloadType)restData["payloadType"];
JObject payload = GeneratePayload(httpMethod, resource);
int requestTimeout = (int)restData["requestTimeout"];
int retries = (int)restData["retries"];
WebHeaderCollection colHeaders = new WebHeaderCollection();
MPAPIResponse response = CallAPI(httpMethod, path, payloadType, payload, colHeaders, useCache, requestTimeout, retries);
if (response.StatusCode >= 200 && response.StatusCode < 300)
{
if (httpMethod != HttpMethod.DELETE)
{
resource = (T)FillResourceWithResponseData(resource, response);
resource._lastApiResponse = response;
}
else
{
resource = null;
}
}
else if (response.StatusCode >= 400 && response.StatusCode < 500)
{
BadParamsError badParamsError = MPCoreUtils.GetBadParamsError(response.StringResponse);
resource.Errors = badParamsError;
}
else
{
MPException webserverError = new MPException()
{
StatusCode = response.StatusCode,
ErrorMessage = response.StringResponse
};
webserverError.Cause.Add(response.JsonObjectResponse.ToString());
}
return(resource);
}
protected static T ProcessMethod <T>(
Type clazz,
T resource,
string methodName,
Dictionary <string, string> parameters,
bool useCache, SDK sdk)
where T : MPBase
{
if ((object)resource == null)
{
try
{
resource = (T)Activator.CreateInstance(clazz, sdk);
}
catch (Exception ex)
{
throw new MPException(ex.Message);
}
}
Dictionary <string, object> restInformation = MPBase.GetRestInformation(MPBase.GetAnnotatedMethod(clazz, methodName));
HttpMethod httpMethod = (HttpMethod)restInformation["method"];
string path = MPBase.ParsePath <T>(restInformation["path"].ToString(), parameters, resource, sdk);
PayloadType payloadType = (PayloadType)restInformation["payloadType"];
JObject payload = MPBase.GeneratePayload <T>(httpMethod, resource);
int requestTimeout = (int)restInformation["requestTimeout"];
int retries = (int)restInformation["retries"];
WebHeaderCollection colHeaders = new WebHeaderCollection();
MPAPIResponse response = MPBase.CallAPI(httpMethod, path, payloadType, payload, colHeaders, useCache, requestTimeout, retries);
if (response.StatusCode >= 200 && response.StatusCode < 300)
{
if (httpMethod != HttpMethod.DELETE)
{
resource = (T)MPBase.FillResourceWithResponseData <T>(resource, response);
resource._lastApiResponse = response;
}
else
{
resource = default(T);
}
}
else if (response.StatusCode >= 400 && response.StatusCode < 500)
{
BadParamsError badParamsError = MPCoreUtils.GetBadParamsError(response.StringResponse);
resource.Errors = new BadParamsError?(badParamsError);
}
else
{
MPException mpException = new MPException()
{
StatusCode = new int?(response.StatusCode),
ErrorMessage = response.StringResponse,
Cause =
{
response.JsonObjectResponse.ToString()
}
};
}
return(resource);
}
internal static void ProcessResponse(string path, T resource, MPAPIResponse response, HttpMethod httpMethod)
{
var errorDetails = response.JsonObjectResponse?.ToString() ?? response.StringResponse ?? "[No additional details could be retrieved from the response]";
var errorMessage =
$"HTTP {httpMethod} request to Endpoint '{path}' with payload of type '{typeof(T).Name}' resulted in an unsuccessful HTTP response with status code {response.StatusCode}.\r\nDetails:\r\n{errorDetails}";
if (response.StatusCode >= 200 && response.StatusCode < 300)
{
if (httpMethod != HttpMethod.DELETE)
{
FillResourceWithResponseData(resource, response);
}
}
else if (response.StatusCode >= 400 && response.StatusCode < 500)
{
var badParamsError = MPCoreUtils.GetBadParamsError(response.StringResponse);
var exception = new MPException(errorMessage)
{
Error = badParamsError,
ErrorMessage = badParamsError.ToString()
};
throw exception;
}
else
{
var exception = new MPException(errorMessage)
{
StatusCode = response.StatusCode,
ErrorMessage = response.StringResponse,
Cause =
{
errorDetails
}
};
throw exception;
}
}