public async Task <bool> Add <TEntity>(TEntity item) where TEntity : class
{
await _db.AddAsync(item);
//await _db.Set<TEntity>().AddAsync(item);
int result = await _db.SaveChangesAsync();
return(result >= 0);
}
public async Task <bool> DeleteUser(string userId)
{
var dbUser = _db.Users.FirstOrDefault(u => u.Id.Equals(userId));
if (dbUser == null)
{
return(false);
}
var userRoles = _db.UserRoles.Where(ur => ur.UserId.Equals(userId));
_db.UserRoles.RemoveRange(userRoles);
_db.Users.Remove(dbUser);
var result = await _db.SaveChangesAsync();
return(result >= 0);
}
public async Task <IActionResult> Create(ProductInventory Input)
{
StoreSelectListsInViewData();
//retrive name details for status message or error message
var piDetail = GetNameDetails(Input);
//check if composite primary key already exists in the database
var pi = _context.ProductInventory.Find(Input.ProductId, Input.StyleId, Input.LocationId);
if (pi != null)
{
ModelState.AddModelError("DuplicateKey", "Duplicate Keys");
var ErrorMsg = "There is already an inventory entry for " +
$"item # <strong>{piDetail.itemNumber}</strong> with style of <strong>{piDetail.style}</strong> at <strong>{piDetail.location}</strong>." +
" Please select a different item number, style, and location combination or click " +
$@"<a href='/ProductInventories/Edit?ProductId={Input.ProductId}&StyleId={Input.StyleId}&LocationId={Input.StyleId}'>here</a>" +
" to edit the existing entry.";
ViewData["ErrorMsg"] = ErrorMsg;
ViewData["htmlStringError"] = new HtmlString(ErrorMsg);
return(View(Input));
}
if (ModelState.IsValid)
{
try
{
await _context.ProductInventory.AddAsync(Input);
int result = await _context.SaveChangesAsync();
if (result >= 0)
{
//Message sent back to Index razor page
TempData["StatusMessage"] = $"Created a new inventory entry for Item {piDetail.itemNumber}, Style: {piDetail.style}, Location: {piDetail.location}.";
return(RedirectToAction("Index"));
}
}
catch (Exception ex)
{
ModelState.AddModelError("", ex.Message);
}
}
//something failed, redisplay the form
return(View(Input));
}