public async Task <IActionResult> Create(PCBindingModel model)
{
if (!ModelState.IsValid)
{
TempData["Error"] = "Invalid form.";
return(RedirectToAction("Create"));
}
if (context.PCs.Any(p => p.BuildName == model.BuildName))
{
TempData["Error"] = "Build name already exists.";
return(RedirectToAction("Create"));
}
if (model.SolidStateDrive == null && model.HardDiskDrive == null)
{
TempData["Error"] = "Select at least one drive.";
return(RedirectToAction("Create"));
}
PC pc = await BuildPC(model);
context.PCs.Add(pc);
await context.SaveChangesAsync();
return(RedirectToAction("Details", new { id = pc.Id }));
}
private async Task <PC> BuildPC(PCBindingModel model)
{
var user = await this.userManager.GetUserAsync(this.User);
var pcCase = context.Cases.FirstOrDefault(c => $"{c.Manufacturer} {c.ModelName}" == model.Case);
var processor = context.Processors.FirstOrDefault(p => $"{p.Manufacturer} {p.ModelName}" == model.Processor);
var graphicsCard = context.GraphicsCards.FirstOrDefault(gc => $"{gc.Manufacturer} {gc.ModelName}" == model.GraphicsCard);
var motherboard = context.Motherboards.FirstOrDefault(m => $"{m.Manufacturer} {m.ModelName}" == model.Motherboard);
var memory = context.Memory.FirstOrDefault(m => $"{m.Manufacturer} {m.ModelName} {m.Amount} GB" == model.Memory);
var powerSupply = context.PowerSupplies.FirstOrDefault(ps => $"{ps.Manufacturer} {ps.ModelName}" == model.PowerSupply);
HardDiskDrive hardDiskDrive = context.HardDiskDrives.FirstOrDefault(hdd => $"{hdd.Manufacturer} {hdd.ModelName} {hdd.MemoryCapacity} GB" == model.HardDiskDrive);
SolidStateDrive solidStateDrive = context.SolidStateDrives.FirstOrDefault(ssd => $"{ssd.Manufacturer} {ssd.ModelName} {ssd.MemoryCapacity} GB" == model.SolidStateDrive);
var pc = new PC()
{
BuildName = model.BuildName,
Case = pcCase,
GraphicsCard = graphicsCard,
Processor = processor,
Memory = memory,
Motherboard = motherboard,
PowerSupply = powerSupply,
User = user,
NumberOfMemorySticks = model.NumberOfMemorySticks,
TotalPrice = pcCase.Price + graphicsCard.Price + processor.Price + (memory.Price * model.NumberOfMemorySticks) + motherboard.Price + powerSupply.Price
};
if (hardDiskDrive != null)
{
pc.HardDiskDrive = hardDiskDrive;
pc.TotalPrice += hardDiskDrive.Price;
if (solidStateDrive != null)
{
pc.SolidStateDrive = solidStateDrive;
pc.TotalPrice += solidStateDrive.Price;
}
else
{
pc.MaxSystemRating -= 1;
}
}
else
{
pc.SolidStateDrive = solidStateDrive;
pc.TotalPrice += solidStateDrive.Price;
pc.MaxSystemRating -= 1;
}
return(pc);
}