misc

Femto.Modules.Auth/Application/Interface/GetSignupCodesQuery/GetSignupCodesQuery.cs

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+using Femto.Common.Domain;
+using Femto.Modules.Auth.Application.Dto;
+
+namespace Femto.Modules.Auth.Application.Interface.GetSignupCodesQuery;
+
+public record GetSignupCodesQuery: IQuery<ICollection<SignupCodeDto>>;

Femto.Modules.Auth/Application/Interface/GetSignupCodesQuery/GetSignupCodesQueryHandler.cs

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+using Dapper;
+using Femto.Common.Domain;
+using Femto.Common.Infrastructure.DbConnection;
+using Femto.Modules.Auth.Application.Dto;
+
+namespace Femto.Modules.Auth.Application.Interface.GetSignupCodesQuery;
+
+public class GetSignupCodesQueryHandler(IDbConnectionFactory connectionFactory)
+    : IQueryHandler<GetSignupCodesQuery, ICollection<SignupCodeDto>>
+{
+    public async Task<ICollection<SignupCodeDto>> Handle(
+        GetSignupCodesQuery request,
+        CancellationToken cancellationToken
+    )
+    {
+        using var conn = connectionFactory.GetConnection();
+
+        // lang=sql
+        const string sql = """
+            SELECT 
+                sc.code as Code,
+                sc.recipient_email as Email,
+                sc.recipient_name as Name,
+                sc.redeeming_user_id as RedeemedByUserId,
+                u.username as RedeemedByUsername,
+                sc.expires_at as ExpiresOn
+            FROM authn.signup_code sc
+            LEFT JOIN authn.user_identity u ON u.id = sc.redeeming_user_id
+            ORDER BY sc.created_at DESC
+            """;
+
+        var result = await conn.QueryAsync<QueryResultRow>(sql);
+
+        return result
+            .Select(row => new SignupCodeDto(
+                row.Code,
+                row.Email,
+                row.Name,
+                row.RedeemedByUserId,
+                row.RedeemedByUsername,
+                row.ExpiresOn
+            ))
+            .ToList();
+    }
+
+    private class QueryResultRow
+    {
+        public string Code { get; set; }
+        public string Email { get; set; }
+        public string Name { get; set; }
+        public Guid? RedeemedByUserId { get; set; }
+        public string? RedeemedByUsername { get; set; }
+        public DateTimeOffset ExpiresOn { get; set; }
+    }
+}