public async Task <CourseDetailViewModel> CreateCourseAsync(CourseCreateInputModel inputModel)
{
string title = inputModel.Title;
string author;
string authorId;
try
{
author = httpContextAccessor.HttpContext.User.FindFirst("FullName").Value;
authorId = httpContextAccessor.HttpContext.User.FindFirst(ClaimTypes.NameIdentifier).Value;
}
catch (NullReferenceException)
{
throw new UserUnknownException();
}
Course course = new(title, author, authorId);
dbContext.Add(course);
try
{
await dbContext.SaveChangesAsync();
}
catch (DbUpdateException exc) when((exc.InnerException as SqliteException)?.SqliteErrorCode == 19)
{
throw new CourseTitleUnavailableException(title, exc);
}
return(CourseDetailViewModel.FromEntity(course));
}
public async Task <LessonDetailViewModel> CreateLessonAsync(LessonCreateInputModel inputModel)
{
var lesson = new Lesson(inputModel.Title, inputModel.CourseId);
dbContext.Add(lesson);
await dbContext.SaveChangesAsync();
return(LessonDetailViewModel.FromEntity(lesson));
}
public async Task <CourseDetailViewModel> CreateCourseAsync(CourseCreateInputModel inputModel)
{
//TODO
var course = new Course(inputModel.Title, "Mario Rossi");
dbContext.Add(course);
await dbContext.SaveChangesAsync();
return(CourseDetailViewModel.FromEntity(course));
}
public async Task <CourseDetailViewModel> CreateCourseAsync(CourseCreateInputModel inputModel)
{
string title = inputModel.Title;
string author = "Mario Rossi";
var course = new Course(title, author);
dbContext.Add(course);
await dbContext.SaveChangesAsync();
CourseDetailViewModel viewModel = CourseDetailViewModel.FromEntity(course);
return(viewModel);
}
public async Task <CourseDetailViewModel> CreateCourseAsync(CourseCreateInputModel inputModel)
{
string title = inputModel.Title;
string author = "Mario Rossi";
var course = new Course(title, author);
dbContext.Add(course);
try
{
await dbContext.SaveChangesAsync();
}
catch (DbUpdateException exc) when((exc.InnerException as SqliteException)?.SqliteErrorCode == 19)
{
throw new CourseTitleUnavailableException(title, exc);
}
return(CourseDetailViewModel.FromEntity(course));
}
//-----------------------------------------Inserimento corsi----------------------------
public async Task <CourseDetailViewModel> CreateCourseAsync(CourseCreateInputModel inputModel)
{
string title = inputModel.Title;
string author = "Mario Verdi";
var course = new Course(title, author); //nuova istanza di course
dbContext.Add(course); //query di insert
try
{
await dbContext.SaveChangesAsync(); //persiste la modifica in modo definito
}
//delle eccezioni del db, catturo solamnte la sqlitexception con codice 19 (i corsi sono unique)
catch (DbUpdateException ex) when((ex.InnerException as SqliteException)?.SqliteErrorCode == 19)
{
//eccezione personalizzata: creazione del corso fallita perché il titolo non era disponibile
throw new CourseTitleUnavailableException(title, ex);
}
//restituisco un istanza di CourseDetailVieModel tramite FromEntity
return(CourseDetailViewModel.FromEntity(course));
}