/// <inheritdoc/>
public override FactRuleCollection GetRules()
{
var rules = new FactRuleCollection();
rules.AddRange(UiSettingsRules());
return(rules);
}
public void Initialize()
{
UserDB = new List <User>
{
new User {
Id = 1, Email = "*****@*****.**", Name = "John Cornero"
},
new User {
Id = 2, Email = "*****@*****.**", Name = "Liza Famez"
},
new User {
Id = 3, Email = "*****@*****.**", Name = "Judy Gonzalez"
},
};
MovieDB = new List <Movie>
{
new Movie {
Id = 1, Name = "My Hero Academia: Heroes Rising", Cost = 11,
},
new Movie {
Id = 2, Name = "Bad Boys for Life", Cost = 12,
},
new Movie {
Id = 3, Name = "Bloodshot", Cost = 13,
},
};
DiscountDB = new List <Discount>
{
new Discount {
Id = 1, MovieDiscount = 5, MovieId = 1, UserId = 3
},
new Discount {
Id = 2, MovieDiscount = 4, MovieId = 2, UserId = 2
},
new Discount {
Id = 3, MovieDiscount = 3, MovieId = 3, UserId = 1
},
};
Rules = new FactRuleCollection
{
// If we have a user, then we can find out his email.
(UserFact fact) => new UserEmailFact(fact.Value.Email),
// If we have an email, then we can recognize the user.
(UserEmailFact fact) => new UserFact(UserDB.Single(user => user.Email == fact.Value)),
// If we have a movie ID, you can find a movie.
(MovieIdFact fact) => new MovieFact(MovieDB.Single(movie => movie.Id == fact.Value)),
// If we have a movie, you can find a movie ID.
(MovieFact fact) => new MovieIdFact(fact.Value.Id),
// If we have a user and a movie, then we can add a user discount amount.
(UserFact userFact, MovieFact movieFact) =>
{
int result = 0;
var dicounts = DiscountDB.Where(dicount => dicount.UserId == userFact.Value.Id && dicount.MovieId == movieFact.Value.Id).ToList();
if (dicounts != null)
{
foreach (var dicount in dicounts)
{
result += dicount.MovieDiscount;
}
if (result > movieFact.Value.Cost)
{
result = movieFact.Value.Cost;
}
}
return(new MovieDiscountFact(result));
},
// If we have a movie and a discount size, then we can calculate the cost of the movie.
(MovieFact movieFact, MovieDiscountFact movieDiscountFact) => new MoviePurchasePriceFact(movieFact.Value.Cost - movieDiscountFact.Value),
// Let's add a rule to demonstrate asynchronous communication
async(MovieFact movieFact, MovieDiscountFact movieDiscountFact) =>
{
// Simulate work
await Task.Delay(200);
return(new MoviePurchasePriceFactAsync(movieFact.Value.Cost - movieDiscountFact.Value));
},
};
Factory = new FactFactory();
Factory.Rules.AddRange(Rules);
}