public async Task <IActionResult> Create(CourseAndCategoryViewModel model)
{
if (ModelState.IsValid)
{
var doesCourseExists = _db.Courses.Include(s => s.Category)
.Where(c => c.Name == model.Course.Name && c.Category.Id == model.Course.CategoryId);
if (doesCourseExists.Count() > 0)
{
//Error
StatusMessage = "Error: Course exists under " + doesCourseExists.First().Category.Name + " category. Please use another name.";
}
else
{
_db.Courses.Add(model.Course);
await _db.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
}
CourseAndCategoryViewModel modelVM = new CourseAndCategoryViewModel()
{
CaterotyList = await _db.Categories.ToListAsync(),
Course = model.Course,
CourseList = await _db.Courses.OrderBy(p => p.Name).Select(p => p.Name).ToListAsync(),
StatusMessage = StatusMessage
};
return(View(modelVM));
}
public ActionResult CreateCourse()
{
var selectedcategorylist = new CourseAndCategoryViewModel()
{
Categories = _context.Categories.ToList()
};
return(View(selectedcategorylist));
}
public ActionResult EditCourse(int Id)
{
var modelInfo = new CourseAndCategoryViewModel()
{
Course = _context.Courses.SingleOrDefault(t => t.Id == Id),
Categories = _context.Categories.ToList()
};
return(View(modelInfo));
}
//GET :: CREATE
public async Task <IActionResult> Create()
{
CourseAndCategoryViewModel model = new CourseAndCategoryViewModel()
{
CaterotyList = await _db.Categories.ToListAsync(),
Course = new Models.Course(),
CourseList = await _db.Courses.OrderBy(p => p.Name).Select(p => p.Name).Distinct().ToListAsync()
};
return(View(model));
}
public ActionResult CreateCourse(CourseAndCategoryViewModel model)
{
var IfCourseExist = _context.Courses.SingleOrDefault(t => t.Name == model.Course.Name);
if (IfCourseExist != null)
{
var selectedcategorylist = new CourseAndCategoryViewModel()
{
Categories = _context.Categories.ToList()
};
ViewBag.message = "This Course had been created";
return(View(selectedcategorylist));
}
else
{
_context.Courses.Add(model.Course);
_context.SaveChanges();
return(RedirectToAction("AllCourse"));
}
}
public ActionResult EditCourse(CourseAndCategoryViewModel model)
{
if (!ModelState.IsValid)
{
var modelInfo = new CourseAndCategoryViewModel()
{
Course = model.Course,
Categories = _context.Categories.ToList()
};
return(View(modelInfo));
}
var findCourse = _context.Courses.SingleOrDefault(c => c.Id == model.Course.Id);
if (findCourse == null)
{
return(HttpNotFound());
}
findCourse.Name = model.Course.Name;
findCourse.Description = model.Course.Description;
findCourse.CategoryId = model.Course.CategoryId;
_context.SaveChanges();
return(RedirectToAction("AllCourse"));
}
//GET :: EDIT
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(NotFound());
}
var course = await _db.Courses.SingleOrDefaultAsync(m => m.Id == id);
if (course == null)
{
return(NotFound());
}
CourseAndCategoryViewModel model = new CourseAndCategoryViewModel()
{
CaterotyList = await _db.Categories.ToListAsync(),
Course = course,
CourseList = await _db.Courses.OrderBy(p => p.Name).Select(p => p.Name).Distinct().ToListAsync()
};
return(View(model));
}
