feat: integrate notification system across PO,store,supplier claims,delivery task and ride

Distribution/Features/ShopPO/ShopPOService.cs

@@ -1,4 +1,5 @@
 using Distribution.Features.Invoice;
+using Distribution.Features.Notifications;
 using Distribution.Features.PriceList;
 using Distribution.Features.Stock;
 using Distribution.Infra.UoW;
@@ -10,8 +11,17 @@ public class ShopPOService(
     IShopPORepository repo,
     IInvoiceRepository invoiceRepo,
     PriceListService priceListService,
+    INotificationService notifications,
     IUnitOfWork uow)
 {
+    // Tells the person who raised the order (and their supervisor) what happened to it, unless they did it themselves.
+    private Task NotifyOrderAsync(string type, Models.ShopPO po, Guid actingUserId, string? reason, CancellationToken ct) =>
+        notifications.NotifyAsync(
+            type,
+            [RecipientRule.Users(po.RaisedById), RecipientRule.ReportsTo(po.RaisedById)],
+            new NotificationArgs(new { StoreName = po.Store?.StoreName, Reason = reason }, "ShopPO", po.Id, "/sales/orders", actingUserId),
+            ct);
+
     private static ShopPOResponse ToResponse(Models.ShopPO p, Dictionary<Guid, (string Name, string Role)>? users = null) =>
         new(p.Id, p.FK_StoreId, p.Store?.StoreName ?? string.Empty,
             p.Store?.StoreAddress, p.Store?.ContactNumber,
@@ -168,6 +178,8 @@ public class ShopPOService(
         try { repo.Update(po); await uow.CommitAsync(ct); }
         catch { await uow.RollbackAsync(ct); throw; }
 
+        await NotifyOrderAsync(NotificationTypes.ShopPOConfirmed, po, confirmedBy, null, ct);
+
         return await ToResponseWithUserAsync(po);
     }
 
@@ -204,6 +216,8 @@ public class ShopPOService(
         }
         catch { await uow.RollbackAsync(ct); throw; }
 
+        await NotifyOrderAsync(NotificationTypes.ShopPOConfirmed, po, userId, null, ct);
+
         var saved = await repo.GetByIdAsync(id);
         return await ToResponseWithUserAsync(saved!);
     }
@@ -231,6 +245,8 @@ public class ShopPOService(
         try { repo.Update(po); await uow.CommitAsync(ct); }
         catch { await uow.RollbackAsync(ct); throw; }
 
+        await NotifyOrderAsync(NotificationTypes.ShopPOCancelled, po, cancelledBy, po.CancelReason, ct);
+
         return await ToResponseWithUserAsync(po);
     }
 }