feat: add feedback comments activity notifications

backend/tests/Socialize.Tests/Feedback/FeedbackRulesTests.cs

@@ -1,5 +1,7 @@
 using Socialize.Api.Modules.Feedback.Data;
+using Socialize.Api.Modules.Feedback.Contracts;
 using Socialize.Api.Modules.Feedback.Services;
+using System.Text.Json;
 
 namespace Socialize.Tests.Feedback;
 
@@ -105,6 +107,26 @@ public class FeedbackRulesTests
         Assert.False(otherUserAllowed);
     }
 
+    [Fact]
+    public void CanReporterComment_requires_report_owner()
+    {
+        Guid reporterUserId = Guid.NewGuid();
+        FeedbackReport report = new() { ReporterUserId = reporterUserId };
+
+        bool ownerAllowed = FeedbackAccessRules.CanReporterComment(report, reporterUserId);
+        bool otherUserAllowed = FeedbackAccessRules.CanReporterComment(report, Guid.NewGuid());
+
+        Assert.True(ownerAllowed);
+        Assert.False(otherUserAllowed);
+    }
+
+    [Fact]
+    public void CanDeveloperComment_requires_developer_role()
+    {
+        Assert.True(FeedbackAccessRules.CanDeveloperComment(isDeveloper: true));
+        Assert.False(FeedbackAccessRules.CanDeveloperComment(isDeveloper: false));
+    }
+
     [Fact]
     public void CanAccessScreenshot_allows_report_owner()
     {
@@ -185,4 +207,68 @@ public class FeedbackRulesTests
 
         Assert.Equal(["bug", "mobile"], tags);
     }
+
+    [Fact]
+    public void Feedback_report_dto_returns_mixed_timeline_in_created_order()
+    {
+        Guid reportId = Guid.NewGuid();
+        DateTimeOffset now = DateTimeOffset.UtcNow;
+        FeedbackReport report = new()
+        {
+            Id = reportId,
+            Type = FeedbackType.Bug,
+            Status = FeedbackStatus.New,
+            Description = "Broken layout",
+            ReporterUserId = Guid.NewGuid(),
+            ReporterDisplayName = "Reporter",
+            ReporterEmail = "reporter@example.com",
+            SubmittedPath = "/app/example",
+            CreatedAt = now,
+            LastActivityAt = now.AddMinutes(2),
+        };
+        report.ActivityEntries.Add(new FeedbackActivityEntry
+        {
+            Id = Guid.NewGuid(),
+            FeedbackReportId = reportId,
+            ActorUserId = Guid.NewGuid(),
+            ActorDisplayName = "Developer",
+            ActorEmail = "dev@example.com",
+            ActivityType = FeedbackActivityTypes.StatusChanged,
+            FromValue = "New",
+            ToValue = "Planned",
+            CreatedAt = now.AddMinutes(2),
+        });
+        report.Comments.Add(new FeedbackComment
+        {
+            Id = Guid.NewGuid(),
+            FeedbackReportId = reportId,
+            AuthorUserId = report.ReporterUserId,
+            AuthorDisplayName = "Reporter",
+            AuthorEmail = "reporter@example.com",
+            AuthorRole = "Reporter",
+            Body = "More context",
+            CreatedAt = now.AddMinutes(1),
+        });
+
+        FeedbackReportDto dto = report.ToDto();
+
+        Assert.Equal(["Comment", "Activity"], dto.Timeline.Select(item => item.Kind).ToArray());
+        Assert.Equal("More context", dto.Timeline.First().Body);
+        Assert.Equal(FeedbackActivityTypes.StatusChanged, dto.Timeline.Last().ActivityType);
+    }
+
+    [Fact]
+    public void Feedback_notification_metadata_includes_target_route()
+    {
+        Guid reportId = Guid.NewGuid();
+
+        string developerMetadata = FeedbackNotificationRoutes.BuildMetadataJson(reportId, developerRoute: true);
+        string reporterMetadata = FeedbackNotificationRoutes.BuildMetadataJson(reportId, developerRoute: false);
+
+        using JsonDocument developerDocument = JsonDocument.Parse(developerMetadata);
+        using JsonDocument reporterDocument = JsonDocument.Parse(reporterMetadata);
+        Assert.Equal($"/app/feedback/{reportId}", developerDocument.RootElement.GetProperty("route").GetString());
+        Assert.Equal($"/app/my-feedback/{reportId}", reporterDocument.RootElement.GetProperty("route").GetString());
+        Assert.True(developerDocument.RootElement.GetProperty("isFeedbackNotification").GetBoolean());
+    }
 }