private async Task <User> PrepareUser(UserDto dto, string roleName)
{
var entity = await UserContext.Users.Include(u => u.UserRoles).Where(u => u.Username == dto.Username).FirstOrDefaultAsync();
// This user already exists
if (entity != null)
{
return(null);
}
// Create role if not exists
var roleEntity = await UserContext.Roles.FirstOrDefaultAsync(r => r.Name == roleName) ?? new Role()
{
Id = UserContext.Roles.Count() + 1,
Name = roleName
};
// Get identifier of lastly created user
var userEntity = QueryGenericHelper.GetLastEntity(UserContext.Users);
var nextUserID = userEntity.Id + 1;
// List of roles that will be added to new user
var roles = new List <UserRoles>
{
new UserRoles()
{
User = new User()
{
Id = nextUserID,
Username = dto.Username
}, Role = roleEntity
}
};
// Encryption process
CryptographyHelper.CreatePasswordHash(dto.Password, out var passwordHash, out var passwordSalt);
// Creation of new user
var newUser = new User
{
Id = nextUserID,
Username = dto.Username,
UserRoles = roles,
PasswordHash = passwordHash,
PasswordSalt = passwordSalt
};
return(newUser);
}
/// <summary>
/// Creation of customer
/// </summary>
/// <param name="customerDto">Data transfer object for customers</param>
/// <returns></returns>
public async Task <Customer> CreateCustomer(CustomerRegisterDto customerDto)
{
if (customerDto.FirstName == string.Empty || customerDto.Lastname == string.Empty)
{
return(null); // Creation cannot be performed
}
var user = await _userHelperService.PrepareUser(new UserDto
{
Username = customerDto.Username,
Password = customerDto.Password
}, "Customer");
if (user != null)
{
user.Id++;
}
// Get identifier of lastly created user
var userId = QueryGenericHelper.GetLastEntity(UserContext.Users);
// Get identifier of lastly created customer
var customerId = QueryGenericHelper.GetLastEntity(UserContext.Customers);
// Creation of customer object from user a customer data
var customerResult = new Customer
{
Id = customerId?.Id + 1 ?? 1,
FirstName = customerDto.FirstName,
LastName = customerDto.Lastname,
Discount = customerDto.Discount,
User = user,
UserId = userId?.Id + 1 ?? 1
};
// Add new object to the customer collection
UserContext.Customers.Add(customerResult);
// Return new added object
return(customerResult);
}
public void GetLastEntity__ReturnsGenericEntity()
{
// Arrange
var ctx = new Mock <UserContext>();
var users = new List <User>()
{
new User {
Username = "******", Id = 1
},
new User {
Username = "******", Id = 2
}
};
var mockDbSet = MockHelper.GetMockDbSet <User>(users);
ctx.Setup(c => c.Set <User>()).Returns(mockDbSet.Object);
// Act
var entity = QueryGenericHelper.GetLastEntity(mockDbSet.Object.AsQueryable() as DbSet <User>);
// Assert
Assert.Equal(2, entity.Id);
}
