Split Features to create space for more projects

LiteCharms.Features.TechShop/Notifications/NotificationService.cs

@@ -0,0 +1,113 @@
+using LiteCharms.Features.Extensions;
+using LiteCharms.Features.Models;
+using LiteCharms.Features.TechShop.Extensions;
+using LiteCharms.Features.TechShop.Notifications.Models;
+using LiteCharms.Features.TechShop.Postgres;
+
+namespace LiteCharms.Features.TechShop.Notifications;
+
+public class NotificationService(IDbContextFactory<ShopDbContext> contextFactory)
+{
+    public async ValueTask<Result<Guid>> CreateNotificationAsync(CreateNotification request, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var newNotification = context.Notifications.Add(new Entities.Notification
+            {
+                Direction = request.Direction,
+                SenderName = request.Sender,
+                SenderAddress = request.SenderAddress,
+                RecipientName = request.Recipient,
+                RecipientAddress = request.RecipientAddress,
+                Subject = request.Subject,
+                Message = request.Message,
+                Platform = request.Platform,
+                Priority = request.Priority,
+                CorrelationId = request.CorrelationId,
+                CorrelationIdType = request.CorrelationIdType,
+                IsInternal = request.IsInternal,
+                IsHtml = request.IsHtml,
+                Processed = false
+            });
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok(newNotification.Entity.Id)
+                : Result.Fail(new Error("Failed to create notification"));
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result<Notification>> GetNotificationAsync(Guid notificationId, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var notification = await context.Notifications.FirstOrDefaultAsync(n => n.Id == notificationId, cancellationToken);
+
+            return notification is not null
+                ? Result.Ok(notification.ToModel())
+                : Result.Fail<Notification>(new Error($"Notification with id {notificationId} not found"));
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail<Notification>(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result<Notification[]>> GetNotificationsAsync(DateRange range, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            var fromDate = range.From.ToDateTime(TimeOnly.MinValue, DateTimeKind.Utc);
+            var toDate = range.To.ToDateTime(TimeOnly.MaxValue, DateTimeKind.Utc);
+
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var notifications = await context.Notifications.AsNoTracking()
+                .Where(n => n.CreatedAt >= fromDate && n.CreatedAt <= toDate)
+                .OrderByDescending(n => n.CreatedAt)
+                .Take(range.MaxRecords)
+                .ToArrayAsync(cancellationToken);
+
+            return notifications?.Length > 0
+                ? Result.Ok(notifications.Select(n => n.ToModel()).ToArray())
+                : Result.Fail(new Error($"No notifications found for the specified date range {range.From} to {range.To}."));
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result> UpdateNotificationAsync(UpdateNotification request, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var notification = await context.Notifications.FirstOrDefaultAsync(n => n.Id == request.NotificationId, cancellationToken);
+
+            if (notification is null)
+                return Result.Fail(new Error($"Notification with id {request.NotificationId} not found."));
+
+            notification.Processed = request.Processed;
+            notification.UpdatedAt = DateTime.UtcNow;
+            notification.HasError = request.HasError;
+            notification.Errors = request.Errors;
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok()
+                : Result.Fail(new Error($"Failed to update notification with id {request.NotificationId}."));
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+}