public HttpResponseMessage DeleteQuestion(QuestionInfo question)
{
try
{
Requires.NotNull("question", question);
Requires.NotNegative("question.ModuleId", question.ModuleId);
Requires.NotNegative("question.VideoId", question.QuestionId);
var qc = new QuestionController();
qc.DeleteQuestion(question.QuestionId, question.ModuleId);
return Request.CreateResponse(HttpStatusCode.OK);
}
catch (Exception exc)
{
Exceptions.LogException(exc);
return Request.CreateErrorResponse(HttpStatusCode.InternalServerError, exc);
}
}
public HttpResponseMessage GetQuestions(int moduleId, int videoId)
{
try
{
Requires.NotNegative("moduleId", moduleId);
var ctl = new QuestionController();
var questions = ctl.GetQuestions(moduleId).Where(a => a.VideoId == videoId).ToJson();
return Request.CreateResponse(HttpStatusCode.OK, questions);
}
catch (Exception exc)
{
Exceptions.LogException(exc);
return Request.CreateErrorResponse(HttpStatusCode.InternalServerError, exc);
}
}
public HttpResponseMessage AddQuestion(QuestionInfo questionDto)
{
try
{
Requires.NotNull("questionDto", questionDto);
Requires.NotNegative("questionDto.QuestionId", questionDto.QuestionId);
Requires.NotNegative("questionDto.VideoId", questionDto.VideoId);
Requires.NotNull("questionDto.QuestionText", questionDto.QuestionText);
Requires.NotNegative("questionDto.ModuleId", questionDto.ModuleId);
Requires.NotNegative("questionDto.OrderIndex", questionDto.OrderIndex);
Requires.NotNegative("questionDto.CreatedByUserId", questionDto.CreatedByUserId);
Requires.NotNegative("questionDto.LastModifiedByUserId", questionDto.LastModifiedByUserId);
var qc = new QuestionController();
// get the question from the database to maintain data integrity
var question = qc.GetQuestion(questionDto.QuestionId, questionDto.ModuleId);
if (question == null)
{
// this is a new question
// update all values
question = new QuestionInfo()
{
QuestionId = questionDto.QuestionId,
VideoId = questionDto.VideoId,
QuestionText = questionDto.QuestionText,
ModuleId = questionDto.ModuleId,
OrderIndex = questionDto.OrderIndex,
CreatedByUserId = questionDto.CreatedByUserId,
LastModifiedByUserId = questionDto.LastModifiedByUserId,
LastModifiedOnDate = DateTime.Now,
CreatedOnDate = DateTime.Now
};
qc.CreateQuestion(question);
}
else
{
// this is an existing question that's getting updated
// we'll only update the values that are allowed to be updated
question.QuestionText = questionDto.QuestionText;
question.VideoId = questionDto.VideoId;
question.OrderIndex = questionDto.OrderIndex;
question.LastModifiedByUserId = questionDto.LastModifiedByUserId;
question.LastModifiedOnDate = DateTime.Now;
qc.UpdateQuestion(question);
}
return Request.CreateResponse(HttpStatusCode.OK);
}
catch (Exception exc)
{
Exceptions.LogException(exc);
return Request.CreateErrorResponse(HttpStatusCode.InternalServerError, exc);
}
}