public IAsyncResult BeginGetRestaurantByName(string name, AsyncCallback callback, object asyncState)
{
var rootElement = XMLDataAccess.GetXMLRootElement <Restaurants>();
var result = rootElement.Restaurant.Select(resto => new RestaurantInfo(resto)).Single(resto => resto.Name == name);
return(new CompletedAsyncResult <RestaurantInfo>(result));
}
public IAsyncResult BeginGetRestaurantsByRating(int rating, AsyncCallback callback, object asyncState)
{
var rootElement = XMLDataAccess.GetXMLRootElement <Restaurants>();
var result = rootElement.Restaurant.Select(resto => new RestaurantInfo(resto)).Where(resto => resto.Rating >= rating);
return(new CompletedAsyncResult <IEnumerable <RestaurantInfo> >(result));
}
public IAsyncResult BeginGetRestaurantNames(AsyncCallback callback, object asyncState)
{
var rootElement = XMLDataAccess.GetXMLRootElement <Restaurants>();
var result = rootElement.Restaurant.Select(resto => resto.Name);
return(new CompletedAsyncResult <IEnumerable <string> >(result));
}
public IAsyncResult BeginSaveRestaurant(RestaurantInfo restaurant, AsyncCallback callback, object asyncState)
{
var rootElement = XMLDataAccess.GetXMLRootElement <Restaurants>();
var restaurantToModify = rootElement.Restaurant.Single(resto => resto.Name == restaurant.Name);
restaurantToModify.Summary = restaurant.Summary;
restaurantToModify.Rating = restaurant.Rating;
restaurantToModify.RestaurantAddress = new AddressType()
{
Address = restaurant.Location.Street,
City = restaurant.Location.City,
Province = Utility.Utility.StringToProvinceType[restaurant.Location.Province],
PostalCode = restaurant.Location.PostalCode
};
var result = XMLDataAccess.SaveToXML(rootElement);
return(new CompletedAsyncResult <bool>(result));
}