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UserService.cs
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UserService.cs
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using Match.Interfaces;
using Match.Models;
using Match.Models.RequestModels;
using Match.Utilities;
using Microsoft.AspNetCore.Identity;
using Microsoft.Extensions.Caching.Distributed;
using Microsoft.IdentityModel.Tokens;
using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Text;
namespace Match.Services
{
public class UserService : IUserService
{
private UserManager<User> _userManager;
private IConfiguration _configuration;
private readonly IHttpContextAccessor _httpContextAccessor;
private readonly IDistributedCache _cache;
public UserService(UserManager<User> userManager, IConfiguration configuration, IHttpContextAccessor httpContextAccessor, IDistributedCache memoryCache)
{
_userManager = userManager;
_configuration = configuration;
_httpContextAccessor = httpContextAccessor;
_cache = memoryCache;
}
//GENRATE TOKEN
public async Task<string> GenerateToken(User user)
{
var userRole = await _userManager.GetRolesAsync(user);
var claims = new List<Claim>()
{
new Claim(ClaimTypes.NameIdentifier, user.Id.ToString()),
new Claim(ClaimTypes.Name, $"{user.FirstName} {" "} {user.LastName}"),
new Claim(ClaimTypes.Email, user.Email),
new Claim(JwtRegisteredClaimNames.Sub, user.Id.ToString()),
new Claim(JwtRegisteredClaimNames.Email, user.Email),
};
foreach (var role in userRole)
{
claims.Add(new Claim(ClaimTypes.Role, role));
}
var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_configuration["Jwt:Key"]));
var credentials = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
var token = new JwtSecurityToken(
issuer: _configuration["Jwt:Issuer"],
audience: _configuration["Jwt:Audience"],
claims: claims,
expires: DateTime.Now.AddMinutes(Constants.tokenExpiryInMinutes),
signingCredentials: credentials
);
return new JwtSecurityTokenHandler().WriteToken(token);
}
//LOGIN
public async Task<Tuple<bool, User?, string?>> LoginUserAsync(LoginRequestModel model)
{
var user = await _userManager.FindByEmailAsync(model.Email);
if (user == null)
return new Tuple<bool, User?, string?>(false, null, "Incorrect email or password");
var existingSession = await _cache.GetStringAsync(user.Email);
if (!string.IsNullOrEmpty(existingSession))
return new Tuple<bool, User?, string?>(false, null, "There is already an active session using your account");
var isCorrect = await _userManager.CheckPasswordAsync(user, model.Password);
if (!isCorrect)
return new Tuple<bool, User?, string?>(false, null, "Incorrect email or password");
var token = await GenerateToken(user);
await _cache.SetStringAsync(user.Email, user.Email, Constants.cacheOptions);
return new Tuple<bool, User?, string?>(true, user, token);
}
//REGISTER
public async Task<Tuple<bool, User?, string?>> RegisterUserAsync(RegisterRequestModel model)
{
if (model == null)
throw new NullReferenceException("Invalid signup model");
var existinguser = await _userManager.FindByEmailAsync(model.Email);
if (existinguser != null)
return new Tuple<bool, User?, string?>(false, null, "User already exists");
if (model.Password != model.ConfirmPassword)
return new Tuple<bool, User?, string?>(false, null, "Passwords do not match");
var user = new User
{
Email = model.Email,
UserName = model.Email,
FirstName = model.FirstName,
LastName = model.LastName,
DateCreated = DateTime.Now,
CreatedBy = Constants.DefaultCreator
};
var result = await _userManager.CreateAsync(user, model.Password);
if (!result.Succeeded)
return new Tuple<bool, User?, string?>(false, null, "Unable to register user");
var addToRole = await _userManager.AddToRoleAsync(user, model.Role.ToString());
if(!addToRole.Succeeded)
await _userManager.DeleteAsync(user);
return new Tuple<bool, User?, string?>(true, user, "User Created Successfully");
}
public async Task<Tuple<bool, User?, string?>> DepositAsync(int coin)
{
if (!Constants.AcceptedCoins.Contains(coin))
return new Tuple<bool, User?, string?>(false, null, "Invalid amount. Coin must be a valid amount");
var (success, user) = await GetUserAsync();
if (user == null || !success)
return new Tuple<bool, User?, string?>(false, null, "Unable to fetch user data");
user.AccountBalance += coin / 100;
var result = await _userManager.UpdateAsync(user);
if (!result.Succeeded)
return new Tuple<bool, User?, string?>(false, null, "Deposit failed");
return new Tuple<bool, User?, string?>(true, user, "Deposit successful");
}
public async Task<Tuple<bool, User?>> UpdateUserAsync(UpdateUserRequestModel model)
{
var user = await _userManager.FindByIdAsync(model.UserId);
if (user == null)
return new Tuple<bool, User?>(false, null);
var (success, loggedInUser) = await GetUserAsync();
user.Email = model.Email;
user.FirstName = model.FirstName;
user.LastName = model.LastName;
user.ModifiedDate = DateTime.Now;
user.ModifiedBy = loggedInUser?.Email;
var result = await _userManager.UpdateAsync(user);
if (!result.Succeeded)
return new Tuple<bool, User?>(false, null);
return new Tuple<bool, User?>(true, user);
}
public async Task<Tuple<bool, User?>> UpdateUserBalanceAsync(decimal newBalance)
{
var (success, user) = await GetUserAsync();
if (user == null || !success)
return new Tuple<bool, User?>(false, null);
user.AccountBalance = newBalance;
var result = await _userManager.UpdateAsync(user);
if (!result.Succeeded)
return new Tuple<bool, User?>(false, null);
return new Tuple<bool, User?>(true, user);
}
public async Task<Tuple<bool, User?>> GetUserById(string userId)
{
var user = await _userManager.FindByIdAsync(userId);
if (user == null)
return new Tuple<bool, User?>(false, null);
return new Tuple<bool, User?>(true, user);
}
public async Task<Tuple<bool, User?>> GetUserAsync()
{
var userID = _httpContextAccessor?.HttpContext?.User.FindFirstValue(ClaimTypes.NameIdentifier);
if (userID == null)
return new Tuple<bool, User?>(false, null);
return await GetUserById(userID);
}
public async Task<List<string>> GetUserRolesAsync()
{
var (success, user) = await GetUserAsync();
if (!success || user == null)
return new List<string>();
return new List<string>(await _userManager.GetRolesAsync(user));
}
public async Task<string> DeleteUserAsync()
{
var (success, user) = await GetUserAsync();
if (!success || user == null)
return "Invalid user";
var result = await _userManager.DeleteAsync(user);
if (!result.Succeeded)
return "Unable to delete user";
return "User deleted successfully";
}
public async Task<Tuple<bool, string?>> LogoutUserAsync(LoginRequestModel model)
{
var user = await _userManager.FindByEmailAsync(model.Email);
if (user == null)
return new Tuple<bool, string?>(false, "Incorrect email or password");
var isCorrect = await _userManager.CheckPasswordAsync(user, model.Password);
if (!isCorrect)
return new Tuple<bool, string?>(false, "Incorrect email or password");
await _cache.RemoveAsync(user.Email);
return new Tuple<bool, string?>(true, "User logged out of all sessions");
}
}
}