public async Task <bool> Initialize()
{
bool isChanged = Database.EnsureCreated();
var newRoles = AppUser.Role.Names.Where(n => !Roles.Where(r => string.Equals(n, r.Name)).Any()).Select(n => new IdentityRole(n)).ToList();
if (newRoles.Any())
{
await Roles.AddRangeAsync(newRoles);
isChanged = true;
}
if (!Users.Any())
{
if (!await CreateUser(AppUser.DefaultAdminUserName, AppUser.DefaultAdminUserPassword, "", true))
{
return(false);
}
var adminUser = await Users.Where(u => u.UserName == AppUser.DefaultAdminUserName).FirstOrDefaultAsync();
var adminRole = await Roles.Where(r => r.Name == AppUser.Role.Admin).FirstOrDefaultAsync();
await UserRoles.AddAsync(new IdentityUserRole <string>
{
UserId = adminUser.Id,
RoleId = adminRole.Id,
});
isChanged = true;
}
if (!System.Any())
{
await System.AddAsync(new DBConfig.System
{
Email = new DBConfig.System.EmailServer()
});
isChanged = true;
}
if (isChanged)
{
await SaveChangesAsync();
}
AppUser.Role.IdNameMap = await Roles.Where(r => AppUser.Role.Names.Contains(r.Name)).ToDictionaryAsync(r => r.Id, r => r.Name);
AppUser.Role.NameIdMap = AppUser.Role.IdNameMap.ToDictionary(p => p.Value, p => p.Key);
return(true);
}
public async Task AddToRoleAsync(User user, string roleName, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
if (string.IsNullOrWhiteSpace(roleName))
{
throw new ArgumentException("Role name may not be null or empty.");
}
var roleEntity = await FindRoleAsync(roleName, cancellationToken);
if (roleEntity == null)
{
throw new InvalidOperationException($"Role {roleName} does not exist.");
}
await UserRoles.AddAsync(new UserRole(user, roleEntity), cancellationToken);
await SaveChanges(cancellationToken);
}