ASP.NET CORE 2.0 runtime value using DI - asp.net-core-2.0

Question

In ASP.NET CORE 2.0, how can I pass runtime parameter(string type) such as dynamic connection string to my service as Dependency injection. The string parameter value will be dynamic and be taken from HttpContext.
I'm not able to understand how can I pass runtime parameter value using DI from Controller->Service->Repository class?
Below code is what I'm using. Please guide me.
Code
public class AccountController : BaseController//Controller
{
ILogger<AccountController> _logger;
private IUserService _userService;
public AccountController(
ILogger<AccountController> logger
, IUserService userService
) {
_logger = logger;
_userService = userService;
}
public class UserService : IUserService
{
private readonly IUserRepository _userRepository;
private readonly IRoleRepository _roleRepository;
public UserService(
IUserRepository userRepository
,IRoleRepository roleRepository
)
{
_userRepository = userRepository;
_roleRepository = roleRepository;
}
public class UserRepository : DbProvider, IUserRepository
{
private IConfiguration _configuration;
private DatabaseSetting _databaseSetting;
public UserRepository(IConfiguration configuration, IOptions<DatabaseSetting> databaseSetting) : base(configuration, databaseSetting)
{
_configuration = configuration;
_databaseSetting = databaseSetting.Value;
}
public static class StartupExtensions
{
public static IServiceCollection AddCloudscribeCore(this IServiceCollection services, IConfiguration configuration)
{
// Add application repository.
services.AddSingleton<AuthAttributeFilter>();
#region Add Repository Dependency Here
services.AddTransient<IUserRepository, UserRepository>();
services.AddTransient<IRoleRepository, RoleRepository>();
#endregion Repository Dependency
#region Add Service Dependency Here
services.AddTransient<ICompanyService, CompanyService>();
services.AddTransient<IUserService, UserService>();
#endregion Service Dependency
services.Configure<DatabaseSetting>(options =>
{
options.DBProvider = configuration["DatabaseSetting:DBProvider"];
options.ConnectionString = configuration["DatabaseSetting:ConnectionString"];
});
return services;
}
}

Answer 1

For accessing HttpContext in Service and Repository, there is no need to pass from Controller, try IHttpContextAccessor.
public class UserRepository : DbProvider, IUserRepository
{
private IConfiguration _configuration;
private DatabaseSetting _databaseSetting;
private readonly IHttpContextAccessor _accessor;
public UserRepository(IConfiguration configuration, IOptions<DatabaseSetting> databaseSetting, IHttpContextAccessor accessor) : base(configuration, databaseSetting)
{
_configuration = configuration;
_databaseSetting = databaseSetting.Value;
_accessor = accessor;
}
Then, you could access HttpContext by _accessor.HttpContext.