Added notifications

Added shopping cart and items
Added quotes
Refactored relatinoships
Migrated changes
Refactored cqrs commands and queries
Refactored mappings

LiteCharms.Features/Notifications/Queries/GetNotificationQuery.cs

@@ -0,0 +1,18 @@
+using LiteCharms.Models;
+
+namespace LiteCharms.Features.Notifications.Queries;
+
+public class GetNotificationQuery : IRequest<Result<Notification>>
+{
+    public Guid NotificationId { get; set; }
+
+    private GetNotificationQuery(Guid notificationId) => NotificationId = notificationId;
+
+    public static GetNotificationQuery Create(Guid notificationId)
+    {
+        if (notificationId == Guid.Empty)
+            throw new ArgumentException("Notification ID is required.", nameof(notificationId));
+
+        return new(notificationId);
+    }
+}

LiteCharms.Features/Notifications/Queries/Handlers/GetNotificationQueryHandler.cs

@@ -0,0 +1,26 @@
+using LiteCharms.Extensions;
+using LiteCharms.Infrastructure.Database;
+using LiteCharms.Models;
+
+namespace LiteCharms.Features.Notifications.Queries.Handlers;
+
+public class GetNotificationQueryHandler(IDbContextFactory<LeadGeneratorDbContext> contextFactory) : IRequestHandler<GetNotificationQuery, Result<Notification>>
+{
+    public async ValueTask<Result<Notification>> Handle(GetNotificationQuery request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var notification = await context.Notifications.FindAsync(new object[] { request.NotificationId }, cancellationToken);
+
+            return notification is not null 
+                ? Result.Ok(notification.ToModel())
+                : Result.Fail<Notification>(new Error($"Notification with id {request.NotificationId} not found"));
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail<Notification>(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+}

LiteCharms.Features/Notifications/Queries/Handlers/GetNotificationsQueryHandler.cs

@@ -15,7 +15,7 @@ public class GetNotificationsQueryHandler(IDbContextFactory<LeadGeneratorDbConte
 
             using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
 
-            var notifications = await context.Notifications
+            var notifications = await context.Notifications.AsNoTracking()
                 .Where(n => n.CreatedAt >= fromDate && n.CreatedAt <= toDate)
                 .OrderByDescending(n => n.CreatedAt)
                 .Take(request.MaxRecords)