Refactoring, database structure changed

WatchIt.WebAPI/Services/User/IUserService.cs

@@ -0,0 +1,8 @@
+using WatchIt.Database.Model.Accounts;
+
+namespace WatchIt.WebAPI.Services.User;
+
+public interface IUserService
+{
+    Task<Account> GetAccountAsync();
+}

WatchIt.WebAPI/Services/User/UserService.cs

@@ -0,0 +1,80 @@
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using Microsoft.IdentityModel.Tokens;
+using WatchIt.Database.Model.Accounts;
+using WatchIt.WebAPI.Constants;
+using WatchIt.WebAPI.Repositories.Accounts;
+using WatchIt.WebAPI.Services.Tokens;
+
+namespace WatchIt.WebAPI.Services.User;
+
+public class UserService : IUserService
+{
+    #region SERVICES
+    
+    private readonly IHttpContextAccessor _accessor;
+    private readonly IAccountsRepository _accountsRepository;
+
+    #endregion
+
+
+
+    #region CONSTRUCTORS
+
+    public UserService(IHttpContextAccessor accessor, IAccountsRepository accountsRepository)
+    {
+        _accessor = accessor;
+        _accountsRepository = accountsRepository;
+    }
+
+    #endregion
+    
+    
+    
+    #region PUBLIC METHODS
+
+    public async Task<Account> GetAccountAsync()
+    {
+        long? id = GetAccountId();
+        if (!id.HasValue)
+        {
+            throw new SecurityTokenException("Incorrect sub claim");
+        }
+        
+        Account? account = await _accountsRepository.GetAsync(id.Value);
+        if (account is null)
+        {
+            throw new SecurityTokenException("Account with sub claim id not found");
+        }
+        return account;
+    }
+
+    #endregion
+
+
+
+    #region PRIVATE METHODS
+
+    private ClaimsPrincipal? GetClaims()
+    {
+        if (_accessor.HttpContext is null)
+        {
+            throw new NullReferenceException();
+        }
+        return _accessor.HttpContext.User;
+    }
+    
+    private long? GetAccountId()
+    {
+        ClaimsPrincipal? user = GetClaims();
+        Claim? subClaim = user?.FindFirst(JwtRegisteredClaimNames.Sub);
+        if (subClaim is null)
+        {
+            return null;
+        }
+        long.TryParse(subClaim.Value, out long accountId);
+        return accountId;
+    }
+
+    #endregion
+}