private int AddInstruction(InstructionEditViewModel model)
{
Instruction instruction = CreateInstruction(model);
_context.Instructions.Add(instruction);
_context.SaveChanges();
return(instruction.Id);
}
private InstructionEditViewModel Update(InstructionEditViewModel model)
{
if (model.ChangeStepsCount == -1)
{
model.Steps.RemoveAt(model.Steps.Count - 1);
}
if (model.ChangeStepsCount == 1)
{
model.Steps.Add(new StepEditViewModel());
}
model.ChangeStepsCount = 0;
return(model);
}
private int UpdateInstruction(InstructionEditViewModel model)
{
Instruction instruction = _context.Instructions.Include(a => a.Steps).Include(a => a.Category).FirstOrDefault(x => x.Id == model.Id);
if (instruction != null)
{
_context.Remove(instruction);
_context.SaveChanges();
instruction = CreateInstruction(model);
_context.Instructions.Add(instruction);
_context.SaveChanges();
}
return(instruction.Id);
}
private InstructionEditViewModel CreateInstructionModel(Instruction instruction)
{
List <StepEditViewModel> stepList = new List <StepEditViewModel>();
instruction.Steps.ToList().ForEach(step => stepList.Add(CreateStepViewModel(step)));
InstructionEditViewModel model = new InstructionEditViewModel()
{
Id = instruction.Id,
AuthorId = instruction.ApplicationUserId,
Name = instruction.Name,
Category = instruction.Category,
Description = instruction.Description,
Image = instruction.Image,
Steps = stepList
};
return(model);
}
private Instruction CreateInstruction(InstructionEditViewModel model)
{
List <Step> stepList = new List <Step>();
model.Steps.ForEach(step => stepList.Add(CreateStep(step)));
Instruction instruction = new Instruction()
{
Name = model.Name,
CategoryId = model.Category.Id,
Description = model.Description,
Image = model.Image,
UpdateDate = DateTime.Now,
ApplicationUserId = model.AuthorId,
Steps = stepList
};
return(instruction);
}
public ActionResult Edit(string userId, int?id, InstructionEditViewModel model)
{
ViewBag.Categories = new SelectList(_context.Categories, "Id", "Name");
if (model.ChangeStepsCount != 0)
{
return(View(Update(model)));
}
if (ModelState.IsValid)
{
int temp_id;
if (model.Id == 0)
{
temp_id = AddInstruction(model);
}
else
{
temp_id = UpdateInstruction(model);
}
return(RedirectToAction("Index", "Instruction", new { id = temp_id }));
}
return(View(model));
}
public ActionResult Edit(string userId, int?id)
{
InstructionEditViewModel model;
if (id == null)
{
model = new InstructionEditViewModel()
{
AuthorId = userId, Steps = new List <StepEditViewModel> {
new StepEditViewModel()
}
};
}
else
{
Instruction instruction = _context.Instructions.Include(a => a.Steps).Include(a => a.Category).Single(i => i.Id == id);
instruction.Steps.OrderBy(i => i.Index);
model = CreateInstructionModel(instruction);
}
ViewBag.Categories = new SelectList(_context.Categories, "Id", "Name");
return(View(model));
}
