public async Task <Unit> Handle(Execute request, CancellationToken cancellationToken)
{
Guid _courseId = Guid.NewGuid();
if (request.CourseId != null)
{
_courseId = request.CourseId ?? Guid.NewGuid();
}
var course = new Course
{
CourseId = _courseId,
Title = request.Title,
Description = request.Description,
DateOfPublication = request.DateOfPublication,
CreationDate = DateTime.UtcNow
};
await _context.Course.AddAsync(course);
if (request.ListInstructor != null)
{
foreach (var id in request.ListInstructor)
{
var cursoInstructor = new CourseInstructor {
CourseId = _courseId,
InstructorId = id
};
await _context.CourseInstructor.AddAsync(cursoInstructor);
}
}
/*Add logic insert price course*/
var priceEntity = new Price {
CourseId = _courseId,
ActualPrice = request.Price,
Promotion = request.Promotion,
PriceId = Guid.NewGuid()
};
await _context.Price.AddAsync(priceEntity);
var value = await _context.SaveChangesAsync();
if (value > 0)
{
return(Unit.Value);
}
throw new Exception("Someting wrong, dont insert course");
}
public async Task <Unit> Handle(Execute request, CancellationToken cancellationToken)
{
var comment = await _context.Comment.FindAsync(request.Id);
if (comment == null)
{
throw new HandlerException(HttpStatusCode.NotFound, new { message = "Dont found comment" });
}
_context.Remove(comment);
var result = await _context.SaveChangesAsync();
if (result > 0)
{
return(Unit.Value);
}
throw new Exception("Something wrong, dont delete comment");
}
public async Task <Unit> Handle(Execute request, CancellationToken cancellationToken)
{
//back list reference instructor of course
var instructorSDB = _context.CourseInstructor.Where(x => x.CourseId == request.Id);
foreach (var instructor in instructorSDB)
{
_context.CourseInstructor.Remove(instructor);
}
/*Delete comments for DB*/
var commentsDB = _context.Comment.Where(x => x.CourseId == request.Id);
foreach (var comment in commentsDB)
{
_context.Comment.Remove(comment);
}
/*Delete price */
var precioDB = _context.Price.Where(x => x.CourseId == request.Id).FirstOrDefault();
if (precioDB != null)
{
_context.Price.Remove(precioDB);
}
var course = await _context.Course.FindAsync(request.Id);
if (course == null)
{
// throw new Exception("Dont delete this course");
throw new HandlerException(HttpStatusCode.NotFound, new { message = "Don't found course" });
}
_context.Remove(course);
var result = await _context.SaveChangesAsync();
if (result > 0)
{
return(Unit.Value);
}
throw new Exception("Someting wrong, dont save changes");
}
public async Task <Unit> Handle(Execute request, CancellationToken cancellationToken)
{
var comment = new Comment {
CommentId = Guid.NewGuid(),
Alumn = request.Alumn,
Score = request.Score,
TextComment = request.Comment,
CourseId = request.CourseId,
CreationDate = DateTime.UtcNow
};
_context.Comment.Add(comment);
var results = await _context.SaveChangesAsync();
if (results > 0)
{
return(Unit.Value);
}
throw new Exception("Dont insert comment");
}
public static async Task SeedAsync(CoursesOnlineContext context, ILoggerFactory loggerFactory)
{
try
{
if (!context.Course.Any())
{
var coursesData = File.ReadAllText("../Infrastructure/Data/SeedData/brands.json");
var courses = JsonSerializer.Deserialize <List <Course> >(coursesData);
foreach (var course in courses)
{
context.Course.Add(course);
}
await context.SaveChangesAsync();
}
}
catch (Exception ex)
{
var logger = loggerFactory.CreateLogger <CoursesOnlineSeed>();
logger.LogError(ex.Message);
}
}
public async Task <Unit> Handle(Execute request, CancellationToken cancellationToken)
{
var course = await _context.Course.FindAsync(request.CourseId);
if (course == null)
{
// throw new Exception("That course dont exists");
throw new HandlerException(HttpStatusCode.NotFound, new { message = "Don't found course" });
}
//Update list of instructors of course
course.Title = request.Title ?? course.Title;
course.Description = request.Description ?? course.Description;
course.DateOfPublication = request.DateOfPublication ?? course.DateOfPublication;
/*Update price of course*/
var priceEntity = _context.Price
.Where(x => x.CourseId == course.CourseId)
.FirstOrDefault();
if (priceEntity != null)
{
priceEntity.Promotion = request.Promotion ?? priceEntity.Promotion;
priceEntity.ActualPrice = request.Price ?? priceEntity.ActualPrice;
}
else
{
priceEntity = new Price {
PriceId = Guid.NewGuid(),
ActualPrice = request.Price ?? 0,
Promotion = request.Promotion ?? 0,
CourseId = course.CourseId
};
await _context.Price.AddAsync(priceEntity);
}
if (request.ListInstructor != null)
{
if (request.ListInstructor.Count > 0)
{
//Delete current instructors at course of DB
var instructorsDB = _context.CourseInstructor.Where(x => x.CourseId == request.CourseId).ToList();
foreach (var instructorDelete in instructorsDB)
{
_context.CourseInstructor.Remove(instructorDelete);
}
//add instructors
foreach (var ids in request.ListInstructor)
{
var newInstructor = new CourseInstructor {
CourseId = request.CourseId,
InstructorId = ids
};
await _context.CourseInstructor.AddAsync(newInstructor);
}
}
}
var result = await _context.SaveChangesAsync();
if (result > 0)
{
return(Unit.Value);
}
throw new Exception("Dont save changes at course");
}
