Add calendar integrations and collaboration updates

backend/src/Socialize.Api/Modules/Approvals/Handlers/SubmitApprovalDecision.cs

@@ -3,10 +3,12 @@ using Microsoft.EntityFrameworkCore;
 using Socialize.Api.Data;
 using Socialize.Api.Infrastructure.Security;
 using Socialize.Api.Modules.ContentItems.Data;
+using Socialize.Api.Modules.ContentItems.Contracts;
 using Socialize.Api.Modules.Approvals.Data;
 using Socialize.Api.Modules.Approvals.Services;
 using Socialize.Api.Modules.Notifications.Contracts;
 using Socialize.Api.Modules.Workspaces.Data;
+using System.Text.Json;
 
 namespace Socialize.Api.Modules.Approvals.Handlers;
 
@@ -33,6 +35,7 @@ public class SubmitApprovalDecisionHandler(
     AppDbContext dbContext,
     AccessScopeService accessScopeService,
     ApprovalWorkflowRuntimeService approvalWorkflowRuntimeService,
+    IContentItemActivityWriter activityWriter,
     INotificationEventWriter notificationEventWriter)
     : Endpoint<SubmitApprovalDecisionRequest, ApprovalRequestDto>
 {
@@ -120,6 +123,24 @@ public class SubmitApprovalDecisionHandler(
             dbContext.ApprovalDecisions.Add(decision);
             await dbContext.SaveChangesAsync(ct);
 
+            await activityWriter.WriteAsync(
+                new ContentItemActivityWriteModel(
+                    approval.WorkspaceId,
+                    approval.ContentItemId,
+                    "approval.decision.recorded",
+                    "ApprovalDecision",
+                    decision.Id,
+                    $"{decidedByName} recorded {normalizedDecision} for {contentItem.Title}.",
+                    decision.DecidedByUserId,
+                    decidedByEmail,
+                    JsonSerializer.Serialize(new
+                    {
+                        stage = approval.Stage,
+                        status = contentItem.Status,
+                        decision = normalizedDecision,
+                    })),
+                ct);
+
             await notificationEventWriter.WriteAsync(
                 new NotificationEventWriteModel(
                     approval.WorkspaceId,