public IActionResult Create(Course course)
{
ViewBag.Categories = _context.Categories.ToList();
ViewBag.Teachers = _context.Teachers.ToList();
ViewBag.Tags = _context.Tags.ToList();
if (!_context.Categories.Any(x => x.Id == course.CategoryId))
{
ModelState.AddModelError("CategoryId", "Xetaniz var!");
}
if (!_context.Teachers.Any(x => x.Id == course.TeacherId))
{
ModelState.AddModelError("TeacherId", "Xetaniz var!");
}
if (!ModelState.IsValid)
{
return(View());
}
if (course.ImageFile != null)
{
if (course.ImageFile.ContentType != "image/png" && course.ImageFile.ContentType != "image/jpeg")
{
ModelState.AddModelError("ImageFile", "Jpeg ve ya png formatinda file daxil edilmelidir");
return(View());
}
if (course.ImageFile.Length > (1024 * 1024) * 5)
{
ModelState.AddModelError("ImageFile", "File olcusu 5mb-dan cox olmaz!");
return(View());
}
string rootPath = _env.WebRootPath;
var fileName = Guid.NewGuid().ToString() + course.ImageFile.FileName;
var path = Path.Combine(rootPath, "uploads/course", fileName);
using (FileStream stream = new FileStream(path, FileMode.Create))
{
course.ImageFile.CopyTo(stream);
}
course.Image = fileName;
}
if (course.TagIds != null)
{
foreach (var tagId in course.TagIds)
{
CourseTags courseTag = new CourseTags
{
Course = course,
TagId = tagId
};
_context.CourseTags.Add(courseTag);
}
}
_context.Courses.Add(course);
_context.SaveChanges();
return(RedirectToAction("index"));
}
public IActionResult Edit(int id, Course course)
{
ViewBag.Categories = _context.Categories.ToList();
ViewBag.Teachers = _context.Teachers.ToList();
ViewBag.Tags = _context.Tags.ToList();
Course existCourse = _context.Courses.FirstOrDefault(x => x.Id == id);
if (!_context.Categories.Any(x => x.Id == course.CategoryId))
{
return(RedirectToAction("index"));
}
if (!_context.Teachers.Any(x => x.Id == course.TeacherId))
{
return(RedirectToAction("index"));
}
if (existCourse == null)
{
return(RedirectToAction("index"));
}
if (course.ImageFile != null)
{
if (course.ImageFile.ContentType != "image/png" && course.ImageFile.ContentType != "image/jpeg")
{
ModelState.AddModelError("ImageFile", "Jpeg ve ya png formatinda file daxil edilmelidir");
return(View());
}
if (course.ImageFile.Length > (1024 * 1024) * 5)
{
ModelState.AddModelError("ImageFile", "File olcusu 5mb-dan cox olmaz!");
return(View());
}
string rootPath = _env.WebRootPath;
var fileName = Guid.NewGuid().ToString() + course.ImageFile.FileName;
var path = Path.Combine(rootPath, "uploads/course", fileName);
using (FileStream stream = new FileStream(path, FileMode.Create))
{
course.ImageFile.CopyTo(stream);
}
if (existCourse.Image != null)
{
string existPath = Path.Combine(_env.WebRootPath, "uploads/course", existCourse.Image);
if (System.IO.File.Exists(existPath))
{
System.IO.File.Delete(existPath);
}
}
existCourse.Image = fileName;
}
if (!ModelState.IsValid)
{
return(View());
}
var existTags = _context.CourseTags.Where(x => x.CourseId == id).ToList();
if (course.TagIds != null)
{
foreach (var tagId in course.TagIds)
{
var existTag = existTags.FirstOrDefault(x => x.TagId == tagId);
if (existTag == null)
{
CourseTags bookTag = new CourseTags
{
CourseId = id,
TagId = tagId
};
_context.CourseTags.Add(bookTag);
}
else
{
existTags.Remove(existTag);
}
}
}
_context.CourseTags.RemoveRange(existTags);
List <Feature> existFeatures = _context.Features.Where(x => x.CourseId == course.Id).ToList();
List <Feature> features = course.Features;
if (features != null)
{
_context.Courses.FirstOrDefault(x => x.Id == course.Id).Features = features;
}
if (existFeatures != null)
{
_context.Features.RemoveRange(existFeatures);
}
existCourse.Context = course.Context;
existCourse.About = course.About;
existCourse.HowToApply = course.HowToApply;
existCourse.Certification = course.Certification;
existCourse.Price = course.Price;
existCourse.CategoryId = course.CategoryId;
existCourse.TeacherId = course.TeacherId;
_context.SaveChanges();
return(RedirectToAction("index"));
}
