many fixes and improvements - rework for modules/ and common/

feat(emailer): add Postmark and Resend providers

backend/Infrastructure/Security/GenerateJwtToken.cs

@@ -0,0 +1,52 @@
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+using Microsoft.IdentityModel.Tokens;
+
+namespace Hutopy.Infrastructure.Security;
+
+public static class JwtTokenHelper
+{
+    public static string GenerateJwtToken(
+        TimeSpan expiresIn,
+        string issuer,
+        string audience,
+        string key,
+        string userId,
+        string email,
+        string? alias,
+        string firstname,
+        string lastname,
+        string? portraitUrl)
+    {
+        var securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(key));
+        var credentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
+
+        var claims = new List<Claim>([
+            new Claim(JwtRegisteredClaimNames.Sub, userId),
+            new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
+            new Claim(ClaimTypes.NameIdentifier, userId), new Claim(ClaimTypes.Email, email),
+            new Claim(ClaimTypes.Name, email), new Claim(ClaimTypes.GivenName, firstname),
+            new Claim(ClaimTypes.Surname, lastname)
+        ]);
+
+        if (alias is not null)
+        {
+            claims.Add(new Claim(KnownClaims.Alias, alias));
+        }
+
+        if (portraitUrl is not null)
+        {
+            claims.Add(new Claim(KnownClaims.PortraitUrl, portraitUrl));
+        }
+
+        var token = new JwtSecurityToken(
+            issuer: issuer,
+            audience: audience,
+            claims: claims,
+            expires: DateTime.Now.Add(expiresIn),
+            signingCredentials: credentials);
+
+        return new JwtSecurityTokenHandler().WriteToken(token);
+    }
+}