private async Task <IActionResult> HandleReplaceResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
var replaceRequest = requestBody.Item as replaceResultRequest ?? new replaceResultRequest();
var result = GetResult(replaceRequest.resultRecord);
try
{
var dto = new ReplaceResultDto(result);
await OnReplaceResult(dto);
if (dto.StatusCode == StatusCodes.Status200OK)
{
return(CreateSuccessResponse(replaceRequest, requestHeader.imsx_messageIdentifier,
$"Score for {replaceRequest.resultRecord.sourcedGUID.sourcedId} is now {replaceRequest.resultRecord.result.resultScore.textString}"));
}
return(StatusCode(dto.StatusCode));
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex));
}
}
private async Task <IActionResult> HandleDeleteResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
var deleteRequest = requestBody.Item as deleteResultRequest ?? new deleteResultRequest();
var deleteResponse = new deleteResultResponse();
var result = GetResult(deleteRequest.resultRecord);
try
{
var dto = new DeleteResultDto(result.SourcedId);
await OnDeleteResult(dto);
if (dto.StatusCode == StatusCodes.Status200OK)
{
return(CreateSuccessResponse(deleteResponse, requestHeader.imsx_messageIdentifier,
$"Score for {result.SourcedId} is deleted"));
}
return(StatusCode(dto.StatusCode));
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex));
}
}
private async Task <IActionResult> HandleReadResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
var readRequest = requestBody.Item as readResultRequest ?? new readResultRequest();
var readResponse = new readResultResponse();
try
{
var dto = new ReadResultDto(readRequest.resultRecord.sourcedGUID.sourcedId);
await OnReadResult(dto);
if (dto.StatusCode == StatusCodes.Status200OK)
{
if (dto.Result != null)
{
if (dto.Result.Score.HasValue)
{
// The score exists
readResponse.result = new ResultType {
resultScore = new TextType()
};
var cultureInfo = new CultureInfo("en");
readResponse.result.resultScore.language = cultureInfo.Name;
readResponse.result.resultScore.textString = dto.Result.Score.Value.ToString(cultureInfo);
return(CreateSuccessResponse(readResponse, requestHeader.imsx_messageIdentifier,
$"Score for {readRequest.resultRecord.sourcedGUID.sourcedId} is read"));
}
else
{
// The score could exist, but not found. If the grade has not yet been set via a replaceResult operation
// or an existing grade has been deleted via a deleteResult operation, the TC should return a valid
// response with a present but empty textString element. The TC should not return 0.0 to indicate a
// non-existent grade and the TC should not return a failure status when a grade does not exist.
// It should simply return an "empty" grade.
readResponse.result = new ResultType {
resultScore = new TextType()
};
var cultureInfo = new CultureInfo("en");
readResponse.result.resultScore.language = cultureInfo.Name;
readResponse.result.resultScore.textString = string.Empty;
return(CreateSuccessResponse(readResponse, requestHeader.imsx_messageIdentifier,
$"Score for {readRequest.resultRecord.sourcedGUID.sourcedId} is null"));
}
}
}
return(StatusCode(dto.StatusCode));
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex));
}
}
private imsx_POXEnvelopeType HandleReadResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
imsx_POXEnvelopeType response;
var readRequest = requestBody.Item as readResultRequest ?? new readResultRequest();
var readResponse = new readResultResponse();
var result = ReadResult(readRequest.resultRecord.sourcedGUID.sourcedId);
if (result.IsValid)
{
if (!result.Score.HasValue)
{
// The score could exist, but not found. If the grade has not yet been set via a replaceResult operation
// or an existing grade has been deleted via a deleteResult operation, the TC should return a valid
// response with a present but empty textString element. The TC should not return 0.0 to indicate a
// non-existent grade and the TC should not return a failure status when a grade does not exist.
// It should simply return an "empty" grade.
response = CreateSuccessResponse(requestHeader.imsx_messageIdentifier,
string.Format("Score for {0} is null", readRequest.resultRecord.sourcedGUID.sourcedId));
readResponse.result = new ResultType();
readResponse.result.resultScore = new TextType();
var cultureInfo = new CultureInfo("en");
readResponse.result.resultScore.language = cultureInfo.Name;
readResponse.result.resultScore.textString = string.Empty;
}
else
{
// The score exists
response = CreateSuccessResponse(requestHeader.imsx_messageIdentifier,
string.Format("Score for {0} is read", readRequest.resultRecord.sourcedGUID.sourcedId));
readResponse.result = new ResultType();
readResponse.result.resultScore = new TextType();
var cultureInfo = new CultureInfo("en");
readResponse.result.resultScore.language = cultureInfo.Name;
readResponse.result.resultScore.textString = result.Score.Value.ToString(cultureInfo);
}
}
else
{
// The score could not exist (invalid assignment or user)
response = CreateCustomResponse(requestHeader.imsx_messageIdentifier,
string.Format("Invalid score sourcedId {0}", readRequest.resultRecord.sourcedGUID.sourcedId),
imsx_CodeMajorType.failure);
}
response.imsx_POXBody.Item = readResponse;
return(response);
}
private imsx_POXEnvelopeType HandleReplaceResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
imsx_POXEnvelopeType response;
var replaceRequest = requestBody.Item as replaceResultRequest ?? new replaceResultRequest();
var result = GetResult(replaceRequest.resultRecord);
if (!result.Score.HasValue)
{
response = CreateCustomResponse(requestHeader.imsx_messageIdentifier,
"Invalid result",
imsx_CodeMajorType.failure);
}
else if (ReplaceResult(result))
{
response = CreateSuccessResponse(requestHeader.imsx_messageIdentifier,
string.Format("Score for {0} is now {1}",
replaceRequest.resultRecord.sourcedGUID.sourcedId,
replaceRequest.resultRecord.result.resultScore.textString
));
}
else
{
response = CreateCustomResponse(requestHeader.imsx_messageIdentifier,
string.Format("Score for {0} not replaced",
replaceRequest.resultRecord.sourcedGUID.sourcedId),
imsx_CodeMajorType.failure);
}
response.imsx_POXBody.Item = new replaceResultResponse();
return(response);
}
private async Task <IActionResult> HandleReplaceResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
var replaceRequest = requestBody.Item as replaceResultRequest ?? new replaceResultRequest();
var replaceResponse = new replaceResultResponse();
var result = GetResult(replaceRequest.resultRecord);
// The LTI 1.1 specification states in 6.1.1: https://www.imsglobal.org/specs/ltiv1p1/implementation-guide#toc-26
// The TC must check the incoming grade for validity and must fail when a grade is outside the range 0.0-1.0 or if the grade is not a valid number.
// The TC must respond to these replaceResult operations with a imsx_codeMajor of "failure".
if (!result.Score.HasValue || !(result.Score >= 0 && result.Score <= 1))
{
return(CreateFailureResponse(replaceResponse, requestHeader.imsx_messageIdentifier, StatusCodes.Status400BadRequest,
"The result score must be a decimal value in the range 0.0 - 1.0"));
}
try
{
var request = new ReplaceResultRequest(result);
var response = await OnReplaceResultAsync(request);
if (response.StatusCode != StatusCodes.Status200OK)
{
return(CreateFailureResponse(replaceResponse, requestHeader.imsx_messageIdentifier,
response.StatusCode, response.StatusDescription));
}
return(CreateSuccessResponse(replaceResponse, requestHeader.imsx_messageIdentifier,
response.StatusDescription
?? $"Score for {replaceRequest.resultRecord.sourcedGUID.sourcedId} is now {replaceRequest.resultRecord.result.resultScore.textString}"));
}
catch (Exception ex)
{
return(CreateFailureResponse(replaceResponse, requestHeader.imsx_messageIdentifier,
StatusCodes.Status500InternalServerError, ex.Message));
}
}
private imsx_POXEnvelopeType HandleDeleteResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
imsx_POXEnvelopeType response;
var deleteRequest = requestBody.Item as deleteResultRequest ?? new deleteResultRequest();
var deleteResponse = new deleteResultResponse();
var result = GetResult(deleteRequest.resultRecord);
if (DeleteResult(result.SourcedId))
{
response = CreateSuccessResponse(requestHeader.imsx_messageIdentifier,
string.Format("Score for {0} is deleted", result.SourcedId));
}
else
{
response = CreateCustomResponse(requestHeader.imsx_messageIdentifier,
string.Format("Score for {0} not deleted", result.SourcedId),
imsx_CodeMajorType.failure);
}
response.imsx_POXBody.Item = deleteResponse;
return(response);
}
private async Task <IActionResult> HandleReadResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
var readRequest = requestBody.Item as readResultRequest ?? new readResultRequest();
var readResponse = new readResultResponse();
try
{
var request = new ReadResultRequest(readRequest.resultRecord.sourcedGUID.sourcedId);
var response = await OnReadResultAsync(request).ConfigureAwait(false);
if (response.StatusCode != StatusCodes.Status200OK)
{
return(CreateFailureResponse(readResponse, requestHeader.imsx_messageIdentifier,
response.StatusCode, response.StatusDescription));
}
if (response.Result == null)
{
return(CreateFailureResponse(readResponse, requestHeader.imsx_messageIdentifier,
response.StatusCode, response.StatusDescription ?? "TC did not read result."));
}
readResponse.result = new ResultType {
resultScore = new TextType()
};
// Add optional responseData if present
if (!string.IsNullOrEmpty(response.Result.LtiLaunchUrl + response.Result.Text + response.Result.Url))
{
readResponse.result.ResultData = new DataType
{
LtiLaunchUrl = response.Result.LtiLaunchUrl,
Text = response.Result.Text,
Url = response.Result.Url
};
}
if (response.Result.Score.HasValue)
{
// The score exists
readResponse.result.resultScore.language = LtiConstants.ScoreCultureInfo.Name;
readResponse.result.resultScore.textString = response.Result.Score.Value.ToString(LtiConstants.ScoreCultureInfo);
return(CreateSuccessResponse(readResponse, requestHeader.imsx_messageIdentifier,
response.StatusDescription ?? $"Score for {readRequest.resultRecord.sourcedGUID.sourcedId} is read"));
}
// The score could exist, but not found. If the grade has not yet been set via a replaceResult operation
// or an existing grade has been deleted via a deleteResult operation, the TC should return a valid
// response with a present but empty textString element. The TC should not return 0.0 to indicate a
// non-existent grade and the TC should not return a failure status when a grade does not exist.
// It should simply return an "empty" grade.
readResponse.result.resultScore.language = LtiConstants.ScoreCultureInfo.Name;
readResponse.result.resultScore.textString = string.Empty;
return(CreateSuccessResponse(readResponse, requestHeader.imsx_messageIdentifier,
response.StatusDescription ?? $"Score for {readRequest.resultRecord.sourcedGUID.sourcedId} is null"));
}
catch (Exception ex)
{
return(CreateFailureResponse(readResponse, requestHeader.imsx_messageIdentifier,
StatusCodes.Status500InternalServerError, ex.Message));
}
}
private async Task <IActionResult> HandleDeleteResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
var deleteRequest = requestBody.Item as deleteResultRequest ?? new deleteResultRequest();
var deleteResponse = new deleteResultResponse();
var result = GetResult(deleteRequest.resultRecord);
try
{
var request = new DeleteResultRequest(result.SourcedId);
var response = await OnDeleteResultAsync(request).ConfigureAwait(false);
if (response.StatusCode != StatusCodes.Status200OK)
{
return(CreateFailureResponse(deleteResponse, requestHeader.imsx_messageIdentifier,
response.StatusCode, response.StatusDescription));
}
return(CreateSuccessResponse(deleteResponse, requestHeader.imsx_messageIdentifier,
response.StatusDescription ?? $"Score for {result.SourcedId} is deleted"));
}
catch (Exception ex)
{
return(CreateFailureResponse(deleteResponse, requestHeader.imsx_messageIdentifier,
StatusCodes.Status500InternalServerError, ex.Message));
}
}
private imsx_POXEnvelopeType HandleReplaceResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
imsx_POXEnvelopeType response;
var replaceRequest = requestBody.Item as replaceResultRequest ?? new replaceResultRequest();
var result = GetResult(replaceRequest.resultRecord);
if (!result.Score.HasValue)
{
response = CreateCustomResponse(requestHeader.imsx_messageIdentifier,
"Invalid result",
imsx_CodeMajorType.failure);
}
else if (ReplaceResult(result))
{
response = CreateSuccessResponse(requestHeader.imsx_messageIdentifier,
$"Score for {replaceRequest.resultRecord.sourcedGUID.sourcedId} is now {replaceRequest.resultRecord.result.resultScore.textString}");
}
else
{
response = CreateCustomResponse(requestHeader.imsx_messageIdentifier,
$"Score for {replaceRequest.resultRecord.sourcedGUID.sourcedId} not replaced",
imsx_CodeMajorType.failure);
}
response.imsx_POXBody.Item = new replaceResultResponse();
return response;
}
private imsx_POXEnvelopeType HandleReadResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
imsx_POXEnvelopeType response;
var readRequest = requestBody.Item as readResultRequest ?? new readResultRequest();
var readResponse = new readResultResponse();
var result = ReadResult(readRequest.resultRecord.sourcedGUID.sourcedId);
if (result.IsValid)
{
if (!result.Score.HasValue)
{
// The score could exist, but not found. If the grade has not yet been set via a replaceResult operation
// or an existing grade has been deleted via a deleteResult operation, the TC should return a valid
// response with a present but empty textString element. The TC should not return 0.0 to indicate a
// non-existent grade and the TC should not return a failure status when a grade does not exist.
// It should simply return an "empty" grade.
response = CreateSuccessResponse(requestHeader.imsx_messageIdentifier,
$"Score for {readRequest.resultRecord.sourcedGUID.sourcedId} is null");
readResponse.result = new ResultType {resultScore = new TextType()};
var cultureInfo = new CultureInfo("en");
readResponse.result.resultScore.language = cultureInfo.Name;
readResponse.result.resultScore.textString = string.Empty;
}
else
{
// The score exists
response = CreateSuccessResponse(requestHeader.imsx_messageIdentifier,
$"Score for {readRequest.resultRecord.sourcedGUID.sourcedId} is read");
readResponse.result = new ResultType {resultScore = new TextType()};
var cultureInfo = new CultureInfo("en");
readResponse.result.resultScore.language = cultureInfo.Name;
readResponse.result.resultScore.textString = result.Score.Value.ToString(cultureInfo);
}
}
else
{
// The score could not exist (invalid assignment or user)
response = CreateCustomResponse(requestHeader.imsx_messageIdentifier,
$"Invalid score sourcedId {readRequest.resultRecord.sourcedGUID.sourcedId}",
imsx_CodeMajorType.failure);
}
response.imsx_POXBody.Item = readResponse;
return response;
}
private imsx_POXEnvelopeType HandleDeleteResultRequest(imsx_RequestHeaderInfoType requestHeader, imsx_POXBodyType requestBody)
{
imsx_POXEnvelopeType response;
var deleteRequest = requestBody.Item as deleteResultRequest ?? new deleteResultRequest();
var deleteResponse = new deleteResultResponse();
var result = GetResult(deleteRequest.resultRecord);
if (DeleteResult(result.SourcedId))
{
response = CreateSuccessResponse(requestHeader.imsx_messageIdentifier,
$"Score for {result.SourcedId} is deleted");
}
else
{
response = CreateCustomResponse(requestHeader.imsx_messageIdentifier,
$"Score for {result.SourcedId} not deleted", imsx_CodeMajorType.failure);
}
response.imsx_POXBody.Item = deleteResponse;
return response;
}
