public ActionResult CourseHomeworkGrading(int assignementId = 0, int answerId = 0, int homeworkId = 0, int courseId = 0)
{
this.logger.Info("Entering: " + System.Reflection.MethodBase.GetCurrentMethod().ReflectedType.FullName + ": " + System.Reflection.MethodBase.GetCurrentMethod().Name + " --> " + User.Identity.Name);
try {
string gradeFromView = Request["gradeValue"];
if (gradeFromView != null)
{
decimal grade = Decimal.Parse(gradeFromView);
//create the grade dto to be passed to the api services
HomeworkGradeDTO dto = new HomeworkGradeDTO();
dto.Gradedatetime = System.DateTime.Now;
dto.GradeValue = grade;
dto.AnswerId = answerId;
dto.CourseId = courseId;
dto.HomeworkId = homeworkId;
dto.AssignementId = assignementId;
using (var client = new HttpClient()) {
client.BaseAddress = new Uri(this.apiMethodsUrl);
client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json")
);
HttpResponseMessage response = client.PutAsJsonAsync("api/grades/GradeHomework/?assignementId=" + assignementId, dto).Result;
if (!response.IsSuccessStatusCode)
{
throw new CustomException("Could not complete the operation!");
}
}
return(RedirectToAction("DisplayAllCourseHomework", "Homework", new { id = courseId }));
}
else
{
ViewBag.Error = "Grade the submitted work!";
return(View("Error"));
}
}
catch (CustomException ce) {
this.logger.Trace(ce, "Username: "******"Operation could not be completed! Try again.";
return(View("Error"));
}
catch (Exception ex) {
this.logger.Trace(ex, "Username: "******"Operation could not be completed!";
return(View("Error"));
}
}
public HttpResponseMessage GradeHomework(int assignementId, HomeworkGradeDTO dto)
{
try {
Grades grade = new Grades();
grade.GradeId = dto.GradeId;
grade.GradeValue = dto.GradeValue;
grade.Gradedatetime = dto.Gradedatetime;
this._gradesManagement.GradeHomework(grade, dto);
return(Request.CreateResponse(HttpStatusCode.OK));
}
catch (Exception) {
// Log exception code goes here
return(Request.CreateErrorResponse(HttpStatusCode.InternalServerError, "Error occured while executing method."));
}
}
/// <summary>
/// Grades the homework.
/// </summary>
/// <param name="grade">The grade.</param>
/// <param name="dto">The homework grade dto.</param>
/// <exception cref="CustomException">
/// </exception>
public void GradeHomework(Grades grade, HomeworkGradeDTO dto)
{
try {
using (var db = new ELearningDatabaseEntities()) {
HomeworkAssignements ha = db.HomeworkAssignements
.Where(h => h.AssignementId == dto.AssignementId)
.First();
//if the homework was already graded, we just update the grade value
if (ha.GradeId != null && ha.GradeId > 0)
{
Grades gr = db.Grades
.Where(g => g.GradeId == ha.GradeId)
.First();
gr.GradeValue = grade.GradeValue;
gr.Gradedatetime = grade.Gradedatetime;
db.Grades.Attach(gr);
db.Entry(gr).State = System.Data.EntityState.Modified;
db.SaveChanges();
}
else
{
//add the new grade
db.Grades.Add(grade);
db.SaveChanges();
//attach the grade to the homework
ha.GradeId = grade.GradeId;
db.HomeworkAssignements.Attach(ha);
db.Entry(ha).State = System.Data.EntityState.Modified;
db.SaveChanges();
}
}
}
catch (ArgumentNullException ane) {
throw new CustomException(ane.Message);
}
catch (InvalidOperationException ioe) {
throw new CustomException(ioe.Message);
}
}
