feat: add feedback backend foundation

backend/src/Socialize.Api/Modules/Feedback/Handlers/GetMyFeedback.cs

@@ -0,0 +1,37 @@
+using FastEndpoints;
+using Microsoft.EntityFrameworkCore;
+using Socialize.Api.Data;
+using Socialize.Api.Infrastructure.Security;
+using Socialize.Api.Modules.Feedback.Contracts;
+
+namespace Socialize.Api.Modules.Feedback.Handlers;
+
+public class GetMyFeedbackHandler(AppDbContext dbContext)
+    : EndpointWithoutRequest<FeedbackReportDto>
+{
+    public override void Configure()
+    {
+        Get("/api/my-feedback/{id}");
+        Options(o => o.WithTags("Feedback"));
+    }
+
+    public override async Task HandleAsync(CancellationToken ct)
+    {
+        Guid id = Route<Guid>("id");
+        Guid reporterUserId = User.GetUserId();
+
+        FeedbackReportDto? report = await dbContext.FeedbackReports
+            .Include(candidate => candidate.Tags)
+            .Where(candidate => candidate.Id == id && candidate.ReporterUserId == reporterUserId)
+            .Select(candidate => candidate.ToDto())
+            .SingleOrDefaultAsync(ct);
+
+        if (report is null)
+        {
+            await SendNotFoundAsync(ct);
+            return;
+        }
+
+        await SendOkAsync(report, ct);
+    }
+}