public async Task <ActionResult> CreateExchange(ItemExchangeModel itemExchangeModel)
{
string userId = (string)TempData["UserId"];
itemExchangeModel.NewOwnerAccountId = userId;
string jsonString = JsonConvert.SerializeObject(itemExchangeModel);
HttpResponseMessage httpResponseMessage = await ApiClient.PostAsync("/Item/exchangeItem", jsonString);
httpResponseMessage.EnsureSuccessStatusCode();
string responseResult = httpResponseMessage.Content.ReadAsStringAsync().Result;
var itemExchangeResponse = JsonConvert.DeserializeObject <ItemExchangeResponse>(responseResult);
TempData["ExchangeErrors"] = itemExchangeResponse.Errors;
return(RedirectToAction("Index", new { id = userId }));
}
public async Task <IResponse> ExchangeItem([FromBody] ItemExchangeViewModel itemExchangeViewModel)
{
ItemExchangeResponse itemExchangeResponse = new ItemExchangeResponse();
List <string> errors = new List <string>();
Item item = await _context.Items.Include(x => x.Category).Include(x => x.OwnerAccount).FirstOrDefaultAsync(x => x.Id == itemExchangeViewModel.ItemId);
if (item != null)
{
Account newOwnerAccount =
await _userManager.FindByIdAsync(itemExchangeViewModel.NewOwnerAccountId);
if (newOwnerAccount != null)
{
PointsModel points = await _context.Points.SingleOrDefaultAsync(x => x.Account == newOwnerAccount);
if (points.Value >= itemExchangeViewModel.PointValue)
{
await _pointManager.RemoveFromUserAsync(newOwnerAccount, itemExchangeViewModel.PointValue);
Account oldOwnerAccount = item.OwnerAccount;
item.OwnerAccount = newOwnerAccount;
_context.Items.Update(item);
await _context.SaveChangesAsync();
ItemExchangeModel itemExchangeModel = new ItemExchangeModel
{
Item = item,
OldOwnerAccount = oldOwnerAccount,
NewOwnerAccount = item.OwnerAccount,
PointValue = itemExchangeViewModel.PointValue
};
ItemExchange itemExchange = new ItemExchange(_context);
itemExchange.Set(itemExchangeModel);
itemExchangeResponse = await itemExchange.CommitAsync();
errors.Add("Item checked out successfully");
}
else
{
errors.Add($"Not enough points for user :{newOwnerAccount.UserName}");
}
}
else
{
errors.Add("User not found.");
}
}
else
{
errors.Add("Item not found.");
}
if (errors.Count > 0)
{
itemExchangeResponse.Errors = errors;
}
else
{
itemExchangeResponse.Errors = null;
}
return(itemExchangeResponse);
}