public IActionResult Index(SortState sortState = SortState.CarMarkNameAsc, int page = 1)
{
CarMarksFilterViewModel filter = HttpContext.Session.Get <CarMarksFilterViewModel>(filterKey);
if (filter == null)
{
filter = new CarMarksFilterViewModel {
CarMarkName = string.Empty
};
HttpContext.Session.Set(filterKey, filter);
}
string modelKey = $"{typeof(CarMark).Name}-{page}-{sortState}-{filter.CarMarkName}";
if (!cache.TryGetValue(modelKey, out CarMarkViewModel model))
{
model = new CarMarkViewModel();
IQueryable <CarMark> carMarks = GetSortedEntities(sortState, filter.CarMarkName);
int count = carMarks.Count();
int pageSize = 10;
model.PageViewModel = new PageViewModel(page, count, pageSize);
model.Entities = count == 0 ? new List <CarMark>() : carMarks.Skip((model.PageViewModel.CurrentPage - 1) * pageSize).Take(pageSize).ToList();
model.SortViewModel = new SortViewModel(sortState);
model.CarMarksFilterViewModel = filter;
cache.Set(modelKey, model);
}
return(View(model));
}
public async Task <IActionResult> Delete(int id, int page)
{
CarMark carMark = await db.CarMarks.FindAsync(id);
if (carMark == null)
{
return(NotFound());
}
bool deleteFlag = false;
string message = "Do you want to delete this entity";
if (db.CarModels.Any(s => s.CarMarkId == carMark.CarMarkId))
{
message = "This entity has entities, which dependents from this. Do you want to delete this entity and other, which dependents from this?";
}
CarMarkViewModel model = new CarMarkViewModel();
model.Entity = carMark;
model.PageViewModel = new PageViewModel {
CurrentPage = page
};
model.DeleteViewModel = new DeleteViewModel {
Message = message, IsDeleted = deleteFlag
};
return(View(model));
}
public IActionResult Create(int page)
{
CarMarkViewModel model = new CarMarkViewModel
{
PageViewModel = new PageViewModel {
CurrentPage = page
}
};
return(View(model));
}
public async Task <IActionResult> Create(CarMarkViewModel model)
{
if (ModelState.IsValid & CheckUniqueValues(model.Entity))
{
await db.CarMarks.AddAsync(model.Entity);
await db.SaveChangesAsync();
cache.Clean();
return(RedirectToAction("Index", "CarMarks"));
}
return(View(model));
}
public async Task <IActionResult> Edit(int id, int page)
{
CarMark carMark = await db.CarMarks.FindAsync(id);
if (carMark != null)
{
CarMarkViewModel model = new CarMarkViewModel();
model.PageViewModel = new PageViewModel {
CurrentPage = page
};
model.Entity = carMark;
return(View(model));
}
return(NotFound());
}
public async Task <IActionResult> Delete(CarMarkViewModel model)
{
CarMark carMark = await db.CarMarks.FindAsync(model.Entity.CarMarkId);
if (carMark == null)
{
return(NotFound());
}
db.CarMarks.Remove(carMark);
await db.SaveChangesAsync();
cache.Clean();
model.DeleteViewModel = new DeleteViewModel {
Message = "The entity was successfully deleted.", IsDeleted = true
};
return(View(model));
}
public async Task <IActionResult> Edit(CarMarkViewModel model)
{
if (ModelState.IsValid & CheckUniqueValues(model.Entity))
{
CarMark carMark = db.CarMarks.Find(model.Entity.CarMarkId);
if (carMark != null)
{
carMark.Name = model.Entity.Name;
db.CarMarks.Update(carMark);
await db.SaveChangesAsync();
cache.Clean();
return(RedirectToAction("Index", "CarMarks", new { page = model.PageViewModel.CurrentPage }));
}
else
{
return(NotFound());
}
}
return(View(model));
}
