Adding authentication and authorization flow

MainProject/Services/JwtService.cs

@@ -4,12 +4,13 @@ using System.Collections.Generic;
 using System.IdentityModel.Tokens.Jwt;
 using System.Security.Claims;
 using System.Text;
+using BasicDotnetTemplate.MainProject.Core.Database;
 
 namespace BasicDotnetTemplate.MainProject.Services;
 
 public interface IJwtService
 {
-    
+
 }
 
 public class JwtService : BaseService, IJwtService
@@ -19,14 +20,38 @@ public class JwtService : BaseService, IJwtService
     private readonly string _jwtAudience;
 
     public JwtService(
-        IConfiguration configuration
-    ) : base(configuration)
+        IConfiguration configuration,
+        SqlServerContext sqlServerContext
+    ) : base(configuration, sqlServerContext)
     {
-        _jwtKey = _appSettings?.JWTSettings?.Secret ?? String.Empty;
-        _jwtIssuer = _appSettings?.JWTSettings?.ValidIssuer ?? String.Empty;
-        _jwtAudience = _appSettings?.JWTSettings?.ValidAudience ?? String.Empty;
+        _jwtKey = _appSettings?.JwtSettings?.Secret ?? String.Empty;
+        _jwtIssuer = _appSettings?.JwtSettings?.ValidIssuer ?? String.Empty;
+        _jwtAudience = _appSettings?.JwtSettings?.ValidAudience ?? String.Empty;
+    }
+
+
+    public string GenerateToken(string userId, string username)
+    {
+        var securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_jwtKey));
+        var credentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
+        var expiration = _appSettings?.JwtSettings?.ExpiredAfterMinsOfInactivity ?? 15;
+
+        var claims = new List<Claim>
+        {
+            new Claim(JwtRegisteredClaimNames.Sub, userId),
+            new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
+            new Claim("userid", userId)
+        };
+
+        var token = new JwtSecurityToken(
+            _jwtIssuer,
+            _jwtAudience,
+            claims,
+            expires: DateTime.Now.AddMinutes(expiration),
+            signingCredentials: credentials);
+
+        return new JwtSecurityTokenHandler().WriteToken(token);
     }
 
-    
 }