/// <summary>
/// Gets the current active lending for a book.
/// Returns null if there is no active lending.
/// </summary>
public Lending GetCurrentLendingBook(ObjectId bookId)
{
var filterBuilder = Builders <Lending> .Filter;
var filter = filterBuilder.Eq(x => x.BookId, bookId)
& filterBuilder.Lt(x => x.StartDateUtc, new BsonDateTime(DateTime.UtcNow))
& filterBuilder.Gt(x => x.EndDateUtc, new BsonDateTime(DateTime.UtcNow));
var lending = _database.FindOneByFilter(Lending.CollectionName, filter);
return(lending);
}
public bool Register(UserRegistrationModel model)
{
var filterBuilder = Builders <User> .Filter;
var filter = filterBuilder.Eq(x => x.UserName, model.Username)
| filterBuilder.Eq(x => x.Email, model.Email);
var duplicateEntity = _database.FindOneByFilter(User.CollectionName, filter);
// TODO: Return message that there is a duplicate and which one is duplicate.
if (duplicateEntity != null)
{
return(false);
}
string plainPassword = model.Password;
string hashedPassword = HashHelp.GetSha512Hash(plainPassword);
var user = new User(model.Username, hashedPassword, model.Email);
_database.Create(user, User.CollectionName);
return(true);
}