public static void AddTown(string name, string zipcode, string countryName, string continent)
{
using (AvalonContext context = new AvalonContext())
{
Country country = context.Countries.FirstOrDefault(c => c.Name.ToLower() == countryName.ToLower());
if (country == null)
{
country = new Country
{
Name = name,
Continent = continent
};
context.Countries.Add(country);
context.SaveChanges();
}
Town town = new Town
{
Name = name,
ZipCode = zipcode,
Country = country
};
context.Towns.Add(town);
context.SaveChanges();
}
}
public static void UpdateBeer(Beer beerToUpdate, string newstyle, string newdistributor, string newbrewery)
{
using (AvalonContext context = new AvalonContext())
{
context.Beers.Attach(beerToUpdate);
context.Entry(beerToUpdate).Reference(o => o.Style).Load();
context.Entry(beerToUpdate).Reference(o => o.Brewery).Load();
context.Entry(beerToUpdate).Reference(o => o.Distributor).Load();
if (newstyle != String.Empty)
{
Style newStyle = context.Styles.Where(s => s.Name == newstyle).Include("Beers").FirstOrDefault();
beerToUpdate.Style = newStyle;
beerToUpdate.StyleId = newStyle.Id;
}
if (newdistributor != String.Empty)
{
Distributor newDistributor = context.Distributors.Where(s => s.Name == newdistributor).Include("Breweries").Include("Beers").FirstOrDefault();
beerToUpdate.Distributor = newDistributor;
beerToUpdate.DistributorId = newDistributor.Id;
}
if (newbrewery != String.Empty)
{
Brewery newBrewery = context.Breweries.Where(s => s.Name == newbrewery).Include("Beers").Include("Distributors").FirstOrDefault();
beerToUpdate.Brewery = newBrewery;
beerToUpdate.BreweryId = newBrewery.Id;
}
context.Entry(beerToUpdate).State = EntityState.Modified;
context.SaveChanges();
}
}
public static void AddBrewery(Brewery brewery, string chosenTown, List <string> chosenBeers, List <string> chosenDistributors)
{
using (var context = new AvalonContext())
{
var town = context.Towns.Where(t => t.Name == chosenTown).FirstOrDefault();
brewery.Town = town;
foreach (var chosenBeer in chosenBeers)
{
var beer = context.Beers.Where(b => b.Name == chosenBeer).FirstOrDefault();
brewery.Beers.Add(beer);
}
foreach (var chosenDistributor in chosenDistributors)
{
var distro = context.Distributors.Where(b => b.Name == chosenDistributor).FirstOrDefault();
brewery.Distributors.Add(distro);
}
context.Breweries.Add(brewery);
context.SaveChanges();
}
}
public static int BeerCount(string beerName)
{
using (var db = new AvalonContext())
{
return(db.Beers.Where(x => x.Name == beerName).Count());
}
}
public static List <string> GetAllCustomers()
{
using (AvalonContext context = new AvalonContext())
{
return(context.Customers.Select(x => x.Name).ToList());
}
}
public static void AddSale(Dictionary <string, int> beers, string customerName)
{
using (AvalonContext context = new AvalonContext())
{
var customer = context.Customers
.Where(c => c.Name.ToLower() == customerName.ToLower()).First();
Sale sale = new Sale
{
Date = DateTime.Now,
Customer = customer,
SellerId = SecurityService.GetLoggedUser().Id
};
context.Sales.Add(sale);
foreach (var b in beers)
{
string beerName = b.Key;
int quantity = b.Value;
var beer = context.Beers.Where(be => be.Name.ToLower() == beerName.ToLower()).First();
beer.Quantity -= quantity;
BeerSale beerSale = new BeerSale
{
Beer = beer,
Quantity = quantity,
Sale = sale
};
sale.Beers.Add(beerSale);
}
context.SaveChanges();
}
}
public static void UpdateClient(Customer client)
{
using (var db = new AvalonContext())
{
db.Entry(client).State = EntityState.Modified;
db.SaveChanges();
}
}
public static void DeleteBeer(string beerName)
{
using (AvalonContext context = new AvalonContext())
{
var beer = context.Beers.Where(b => b.Name == beerName).FirstOrDefault();
context.Beers.Remove(beer);
context.SaveChanges();
}
}
public static ObservableCollection <SalesGrid> ShowAllSales()
{
using (AvalonContext context = new AvalonContext())
{
var sales = context.Sales.Select(s => new
{
Id = s.Id,
Date = s.Date,
Customer = s.Customer.Name,
BeersCount = s.Beers.Select(b => b.Quantity).ToList(),
TotalSalePrice = s.Beers.Select(b => new { BeerPrice = b.Beer.SalePrice, Quantity = b.Quantity }).ToList(),
TotalBoughtPrice = s.Beers.Select(b => new { BeerPrice = b.Beer.DistributorPrice, Quantity = b.Quantity }).ToList(),
Seller = s.Seller.Username
});
ObservableCollection <SalesGrid> result = new ObservableCollection <SalesGrid>();
foreach (var sale in sales)
{
SalesGrid saleGrid = new SalesGrid
{
SaleId = sale.Id,
Date = sale.Date,
Customer = sale.Customer,
Seller = sale.Seller
};
int beerCount = 0;
decimal salePrice = 0;
decimal boughtPrice = 0;
foreach (var q in sale.BeersCount)
{
beerCount += q;
}
foreach (var b in sale.TotalSalePrice)
{
salePrice += (decimal)(b.BeerPrice * b.Quantity);
}
foreach (var b in sale.TotalBoughtPrice)
{
boughtPrice += (decimal)(b.BeerPrice * b.Quantity);
}
var profit = salePrice - boughtPrice;
saleGrid.TotalBoughtPrice = boughtPrice;
saleGrid.Profit = profit;
saleGrid.TotalSalePrice = salePrice;
saleGrid.BeersCount = beerCount;
result.Add(saleGrid);
}
return(result);
}
}
public static bool IsTownExisiting(string townName, string countryName)
{
using (AvalonContext context = new AvalonContext())
{
if (context.Towns.Any(t => t.Name.ToLower() == townName.ToLower() && t.Country.Name.ToLower() == countryName.ToLower()))
{
return(true);
}
return(false);
}
}
public static bool IsUserExist(string username)
{
using (AvalonContext context = new AvalonContext())
{
if (context.Users.Any(u => u.Username.ToLower() == username))
{
return(true);
}
return(false);
}
}
public static bool IsZipCodeValid(string zipcode)
{
using (AvalonContext context = new AvalonContext())
{
int zipCodeInt;
if (!int.TryParse(zipcode, out zipCodeInt))
{
return(false);
}
}
return(true);
}
public static bool Login(string username, string password)
{
using (AvalonContext context = new AvalonContext())
{
if (context.Users.Any(u => u.Username == username && u.Password == password))
{
loggedUser = context.Users.SingleOrDefault(u => u.Username.ToLower() == username.ToLower());
return(true);
}
return(false);
}
}
public static bool BeerExist(string beerName)
{
using (var db = new AvalonContext())
{
var isBeerExist = db.Beers.Any(b => b.Name == beerName);
if (isBeerExist)
{
return(true);
}
return(false);
}
}
public static void DeleteClient(string clientName)
{
using (var db = new AvalonContext())
{
var client = db.Customers.FirstOrDefault(x => x.Name == clientName);
if (client != null)
{
db.Customers.Remove(client);
db.SaveChanges();
}
}
}
public static ObservableCollection <Beer> GetBeersByName(string name)
{
using (AvalonContext context = new AvalonContext())
{
var beers = context.Beers.Where(b => b.Name.Contains(name)).OrderBy(b => b.Name).ToList();
var result = new ObservableCollection <Beer>();
foreach (var beer in beers)
{
result.Add(beer);
}
return(result);
}
}
public static void DeleteDistributor(string distributorName)
{
using (AvalonContext context = new AvalonContext())
{
Distributor distributorToDelete = context.Distributors
.FirstOrDefault(b => b.Name.ToLower() == distributorName.ToLower());
distributorToDelete.Breweries.Clear();
distributorToDelete.Town = null;
distributorToDelete.Beers.Clear();
context.Distributors.Remove(distributorToDelete);
context.SaveChanges();
}
}
public static ObservableCollection <Customer> GetCustomersByName(string name)
{
using (AvalonContext context = new AvalonContext())
{
var clients = context.Customers.Where(b => b.Name.Contains(name)).OrderBy(b => b.Name).ToList();
var result = new ObservableCollection <Customer>();
foreach (var client in clients)
{
result.Add(client);
}
return(result);
}
}
public static ObservableCollection <Customer> GetAllClients()
{
using (AvalonContext context = new AvalonContext())
{
var customers = context.Customers.ToList();
var result = new ObservableCollection <Customer>();
foreach (var c in customers)
{
result.Add(c);
}
return(result);
}
}
public static ObservableCollection <string> GetAllDistributorsNames()
{
using (AvalonContext context = new AvalonContext())
{
var distros = context.Distributors.Include("Town").Include("Breweries").OrderBy(b => b.Name).Select(d => d.Name).ToList();
var result = new ObservableCollection <string>();
foreach (var d in distros)
{
result.Add(d);
}
return(result);
}
}
public static ObservableCollection <Beer> GetAllBeers()
{
using (AvalonContext context = new AvalonContext())
{
var beers = context.Beers.Include("Style").Include("Brewery").Include("Distributor").OrderBy(b => b.Name).ToList();
var result = new ObservableCollection <Beer>();
foreach (var beer in beers)
{
result.Add(beer);
}
return(result);
}
}
public static ObservableCollection <string> GetAllBreweriesNames()
{
using (AvalonContext context = new AvalonContext())
{
var breweries = context.Breweries.OrderBy(b => b.Name).Select(b => b.Name).ToList();
ObservableCollection <string> result = new ObservableCollection <string>();
result.Add("Select brewery");
foreach (var brew in breweries)
{
result.Add(brew);
}
return(result);
}
}
public static ObservableCollection <string> GetAllDistributors()
{
using (AvalonContext context = new AvalonContext())
{
var distributorNames = context.Distributors.OrderBy(d => d.Name).Select(d => d.Name);
var result = new ObservableCollection <string>();
result.Add("Select distributor");
foreach (var distributor in distributorNames)
{
result.Add(distributor);
}
return(result);
}
}
public static void AddDistributor(Distributor distributor, string chosenTown, List <string> chosenBreweries)
{
using (var context = new AvalonContext())
{
var town = context.Towns.Where(t => t.Name == chosenTown).FirstOrDefault();
distributor.Town = town;
foreach (var brew in chosenBreweries)
{
var brewery = context.Breweries.Where(b => b.Name == brew).FirstOrDefault();
distributor.Breweries.Add(brewery);
}
context.Distributors.Add(distributor);
context.SaveChanges();
}
}
public static ObservableCollection <string> GetAllBeerStyles()
{
using (AvalonContext context = new AvalonContext())
{
ObservableCollection <string> result = new ObservableCollection <string>();
var styles = context.Styles.OrderBy(s => s.Name).ToList();
result.Add("Select styles");
foreach (var style in styles)
{
result.Add(style.Name);
}
return(result);
}
}
public static void RegisterUser(string username, string password)
{
using (AvalonContext context = new AvalonContext())
{
User user = new User
{
Username = username,
Password = password
};
context.Users.Add(user);
context.SaveChanges();
SecurityService.Login(username, password);
}
}
public static ObservableCollection <string> GetAllTowns()
{
using (AvalonContext context = new AvalonContext())
{
ObservableCollection <string> result = new ObservableCollection <string>();
var towns = context.Towns.OrderBy(t => t.Name).ToList();
result.Add("Select towns");
foreach (var town in towns)
{
result.Add(town.Name);
}
return(result);
}
}
public static ObservableCollection <BreweryGrid> GetAllBreweries()
{
using (AvalonContext context = new AvalonContext())
{
var breweries = context.Breweries.OrderBy(b => b.Name).ToList();
ObservableCollection <BreweryGrid> result = new ObservableCollection <BreweryGrid>();
foreach (var brew in breweries)
{
BreweryGrid brewGrid = new BreweryGrid()
{
Name = brew.Name,
Town = brew.Town.Name,
Address = brew.Adress
};
result.Add(brewGrid);
}
return(result);
}
}
public static void AddCustomer(string name, string address, string townName, string email, string phone, string styleName)
{
using (AvalonContext context = new AvalonContext())
{
Town town = context.Towns.FirstOrDefault(t => t.Name == townName);
Style style = context.Styles.FirstOrDefault(s => s.Name == styleName);
Customer customer = new Customer
{
Name = name,
Address = address,
Town = town,
FavoriteStyle = style,
Email = email,
Phone = phone
};
context.Customers.Add(customer);
context.SaveChanges();
}
}
public static void AddBeer(string beerName, decimal salePrice, int quantity, float rating, string styleName, string breweryName, string distributorName, decimal distributorPrice)
{
using (AvalonContext context = new AvalonContext())
{
Style style = context.Styles.FirstOrDefault(s => s.Name.ToLower() == styleName.ToLower());
Brewery brewery = context.Breweries.FirstOrDefault(b => b.Name.ToLower() == breweryName.ToLower());
Distributor distrbutor = context.Distributors.FirstOrDefault(d => d.Name.ToLower() == distributorName.ToLower());
Beer beer = new Beer
{
Name = beerName,
SalePrice = salePrice,
Quantity = quantity,
Rating = rating,
Style = style,
Brewery = brewery,
Distributor = distrbutor,
DistributorPrice = distributorPrice
};
context.Beers.Add(beer);
context.SaveChanges();
}
}
