public async Task Load()
{
using (var client = new HttpClient())
{
URLBuilder url = new URLBuilder(_filter, controler);
url.URL += "&ShowMyOffers=false";
var request = new HttpRequestMessage()
{
RequestUri = new Uri(url.URL),
Method = HttpMethod.Get
};
request.Headers.Add("Authorization", "Basic " + Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(string.Format("{0}:{1}", _authenticationUser.UserId.ToString(), _authenticationUser.Password))));
var response = await client.SendAsync(request);
var contents = await response.Content.ReadAsStringAsync();
List <SellOfferDto> result = JsonConvert.DeserializeObject <List <SellOfferDto> >(contents);
Offers.Clear();
foreach (SellOfferDto bo in result)
{
SellOfferWrapper boffer = bo.createSellOffer();
Offers.Add(boffer);
}
}
}
public SellTransactionViewModel(FilterViewModel filter, UserWrapper user, UserAuthenticationWrapper authenticationUser)
{
_authenticationUser = authenticationUser;
_user = user;
_filter = filter;
Offers = new BindableCollection <SellOfferWrapper>();
SelectedOffer = new SellOfferWrapper(new sell_Offer());
AcceptCommand = new AsyncRelayCommand(execute => Accept(), canExecute => { return(true); });
}
public SellOfferViewModel(FilterViewModel filter, UserWrapper user, UserAuthenticationWrapper authenticationUser)
{
_authenticationUser = authenticationUser;
_user = user;
_filter = filter;
_products = new BindableCollection <ProductWrapper>();
SellOffers = new BindableCollection <SellOfferWrapper>();
CreatedOffer = SellOfferWrapper.CreateSellOffer(_user);
UpdateCommand = new AsyncRelayCommand(execute => UpdateOffer(), canExecute => CanModifyOffer());
DeleteCommand = new AsyncRelayCommand(execute => DeleteOffer(), canExecute => CanModifyOffer());
}
SellOfferDto createOffer(SellOfferWrapper offer)
{
SellOfferDto wrap = new SellOfferDto();
wrap.Id = offer.Id;
wrap.SellerId = _authenticationUser.UserId;
wrap.Price = offer.Price;
wrap.Amount = offer.Amount;
wrap.Name = offer.Name;
wrap.ProductId = offer.ProductId;
return(wrap);
}
public SellOfferWrapper createSellOffer()
{
SellOfferWrapper offer = new SellOfferWrapper(new LGSA.Model.sell_Offer());
offer.Id = this.Id;
offer.SellerId = this.SellerId;
offer.Price = this.Price;
offer.Amount = this.Amount;
offer.Name = this.Name;
offer.Seller = new UserWrapper(new LGSA.Model.users());
offer.Seller.Login = this.User.UserName;
offer.Seller.Rating = this.User.Rating;
offer.ProductId = this.ProductId;
if (this.Product != null)
{
offer.Product = this.Product.createProduct();
}
return(offer);
}
public async Task AddOffer()
{
if (CreatedOffer.Name == null || CreatedOffer.Product == null ||
CreatedOffer.Amount <= 0 || CreatedOffer?.Price <= 0)
{
CreatedOffer = SellOfferWrapper.CreateSellOffer(_user);
ErrorString = (string)Application.Current.FindResource("InvalidSellOfferError");
return;
}
using (var client = new HttpClient())
{
CreatedOffer.ProductId = CreatedOffer.Product.Id;
FilterViewModel filter = new FilterViewModel(_filter);
filter.Name = _createdOffer.Product.Name;
URLBuilder url = new URLBuilder(filter, controler);
url.URL += "&ShowMyOffers=true";
var request = new HttpRequestMessage()
{
RequestUri = new Uri(url.URL),
Method = HttpMethod.Get
};
request.Headers.Add("Authorization", "Basic " + Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(string.Format("{0}:{1}", _authenticationUser.UserId.ToString(), _authenticationUser.Password))));
var response = await client.SendAsync(request);
var contents = await response.Content.ReadAsStringAsync();
List <SellOfferDto> result = JsonConvert.DeserializeObject <List <SellOfferDto> >(contents);
var totalAmount = result.Sum(offer => offer.Amount);
if (CreatedOffer.Amount + totalAmount > CreatedOffer.Product.Stock)
{
CreatedOffer = SellOfferWrapper.CreateSellOffer(_user);
ErrorString = (string)Application.Current.FindResource("StockError");
return;
}
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
SellOfferDto content = createOffer(_createdOffer);
var json = Newtonsoft.Json.JsonConvert.SerializeObject(content);
url = new URLBuilder(controler);
var request2 = new HttpRequestMessage()
{
RequestUri = new Uri(url.URL),
Method = HttpMethod.Post,
Content = new StringContent(json,
Encoding.UTF8,
"application/json")
};
request2.Headers.Add("Authorization", "Basic " + Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(string.Format("{0}:{1}", _authenticationUser.UserId.ToString(), _authenticationUser.Password))));
var response1 = await client.SendAsync(request2);
if (response.IsSuccessStatusCode)
{
await Load();
_createdOffer = SellOfferWrapper.CreateSellOffer(_user);
}
else
{
ErrorString = (string)Application.Current.FindResource("InsertSellOfferError");
return;
}
}
ErrorString = null;
}
