Refactor authorization folder structure

Distribution/Infra/Authorization/Jwt/IJwtTokenService.cs

@@ -0,0 +1,6 @@
+namespace Distribution.Infra.Authorization;
+
+public interface IJwtTokenService
+{
+    string GenerateToken(Models.User user);
+}

Distribution/Infra/Authorization/Jwt/JwtTokenService.cs

@@ -0,0 +1,47 @@
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+using Microsoft.Extensions.Configuration;
+using Microsoft.IdentityModel.Tokens;
+
+namespace Distribution.Infra.Authorization;
+
+public class JwtTokenService : IJwtTokenService
+{
+    private readonly IConfiguration _configuration;
+
+    public JwtTokenService(IConfiguration configuration)
+    {
+        _configuration = configuration;
+    }
+
+    public string GenerateToken(Models.User user)
+    {
+        var jwtSection = _configuration.GetSection("Jwt");
+        var key = jwtSection["Key"] ?? throw new InvalidOperationException("Jwt:Key is not configured.");
+        var issuer = jwtSection["Issuer"];
+        var audience = jwtSection["Audience"];
+        var expiryMinutes = int.TryParse(jwtSection["ExpiryMinutes"], out var m) ? m : 120;
+
+        var claims = new List<Claim>
+        {
+            new("sub", user.Id.ToString()),
+            new("username", user.Username),
+            new("role", user.Role?.Name ?? string.Empty),
+            new("role_id", user.FK_RoleId.ToString()),
+            new("role_level", (user.Role?.Level ?? 0).ToString())
+        };
+
+        var signingKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(key));
+        var credentials = new SigningCredentials(signingKey, SecurityAlgorithms.HmacSha256);
+
+        var token = new JwtSecurityToken(
+            issuer: issuer,
+            audience: audience,
+            claims: claims,
+            expires: DateTime.Now.AddMinutes(expiryMinutes),
+            signingCredentials: credentials);
+
+        return new JwtSecurityTokenHandler().WriteToken(token);
+    }
+}