Split Features to create space for more projects

LiteCharms.Features.TechShop/Notifications/Entities/Notification.cs

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+namespace LiteCharms.Features.TechShop.Notifications.Entities;
+
+[EntityTypeConfiguration<NotificationConfiguration, Notification>]
+public class Notification : Models.Notification;

LiteCharms.Features.TechShop/Notifications/Entities/NotificationConfiguration.cs

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+namespace LiteCharms.Features.TechShop.Notifications.Entities;
+
+public class NotificationConfiguration : IEntityTypeConfiguration<Notification>
+{
+    public void Configure(EntityTypeBuilder<Notification> builder)
+    {
+        builder.ToTable("Notification");
+
+        builder.HasKey(f => f.Id);
+        builder.Property(f => f.CreatedAt).IsRequired().ValueGeneratedOnAdd().HasDefaultValueSql("now()");
+        builder.Property(f => f.UpdatedAt).IsRequired(false).HasDefaultValueSql(null);
+        builder.Property(f => f.Direction).IsRequired().HasConversion<int>();
+        builder.Property(f => f.Platform).IsRequired().HasConversion<int>();
+        builder.Property(f => f.Priority).IsRequired().HasConversion<int>();
+        builder.Property(f => f.CorrelationIdType).IsRequired().HasConversion<int>();
+        builder.Property(f => f.SenderAddress).IsRequired();
+        builder.Property(f => f.Subject).IsRequired();
+        builder.Property(f => f.Message).IsRequired();
+        builder.Property(f => f.RecipientName).IsRequired();
+        builder.Property(f => f.RecipientAddress).IsRequired();
+        builder.Property(f => f.CorrelationId).IsRequired();
+        builder.Property(f => f.IsHtml).HasDefaultValue(false);
+        builder.Property(f => f.IsInternal).HasDefaultValue(true);
+        builder.Property(f => f.Processed).HasDefaultValue(false);
+        builder.Property(f => f.HasError).HasDefaultValue(false);
+        builder.Property(f => f.Errors).HasColumnType("jsonb").IsRequired(false);
+    }
+}

LiteCharms.Features.TechShop/Notifications/Events/Handlers/ProcessEmailNotificationsEventHandler.cs

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+using LiteCharms.Features.Email;
+using LiteCharms.Features.TechShop.Notifications.Models;
+using LiteCharms.Features.TechShop.Postgres;
+
+namespace LiteCharms.Features.TechShop.Notifications.Events.Handlers;
+
+public class ProcessEmailNotificationsEventHandler(IDbContextFactory<ShopDbContext> contextFactory, ILogger<ProcessEmailNotificationsEvent> logger, 
+    EmailService emailService) : INotificationHandler<ProcessEmailNotificationsEvent>
+{
+    private bool dropBatch = false;
+
+    public async ValueTask Handle(ProcessEmailNotificationsEvent message, CancellationToken cancellationToken)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            if (emailService.Status != EmailStatuses.Connected)
+                await emailService.ConnectAsync(cancellationToken);
+
+            var notifications = await context.Notifications
+                .OrderByDescending(o => o.CreatedAt)
+                .ThenBy(o => o.Priority)
+                .Where(n => n.Platform == NotificationPlatforms.Email && 
+                    n.Direction == NotificationDirection.Outgoing && n.Processed == false)
+                .Take(message.MaxRecords)
+                .ToListAsync(cancellationToken);
+
+            foreach (var notification in notifications)
+            {
+                if (dropBatch) break;
+
+                var sendResult = await SendEmailAsync(notification,emailService, cancellationToken);
+
+                if(sendResult.IsFailed)
+                {
+                    var errors = new List<string>(1000);
+
+                    errors.AddRange(sendResult.Errors.Select(e => e.Message));
+
+                    if (sendResult.Reasons?.Count > 0)
+                        errors.AddRange(sendResult.Reasons.Select(e => e.Message));
+
+                    notification.HasError = true;                    
+                    notification.Errors = [.. errors];
+                }
+
+                notification.Processed = true;
+                notification.UpdatedAt = DateTime.UtcNow;
+            }
+
+            await context.SaveChangesAsync(cancellationToken);            
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, ex.Message);
+        }
+        finally
+        {
+            await emailService.DisconnectAsync(cancellationToken);
+        }
+    }
+
+    private async Task<Result> SendEmailAsync(Notification notification, EmailService service, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using Email.Models.Message message = CreateMessage(notification);
+
+            var sendResult = await service.SendEmailAsync(message, cancellationToken);
+
+            if (sendResult.IsFailed)
+            {
+                if (emailService.Status != EmailStatuses.Success && emailService.Status != EmailStatuses.Connected) dropBatch = true;
+
+                return Result.Fail(sendResult.Errors);
+            }
+
+            return sendResult.IsFailed
+                ? Result.Fail(sendResult.Errors)
+                : Result.Ok();
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    private static Email.Models.Message CreateMessage(Notification notification) =>
+        new()
+        {
+            Sender = new Email.Models.Party
+            {
+                Name = notification.SenderName,
+                Address = notification.SenderAddress
+            },
+            Recipient = new Email.Models.Party
+            {
+                Name = notification.RecipientName,
+                Address = notification.RecipientAddress
+            },
+            Subject = notification.Subject,
+            Body = new Email.Models.Body
+            {
+                Properties = new Email.Models.BodyProperties
+                {
+                    HasAttachments = false,
+                    IsHtml = notification.IsHtml
+                },
+                Message = notification.Message
+            }
+        };
+}

LiteCharms.Features.TechShop/Notifications/Events/Handlers/SendShopEmailEnquiryEventHandler.cs

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+using static LiteCharms.Features.Extensions.Email;
+
+namespace LiteCharms.Features.TechShop.Notifications.Events.Handlers;
+
+public class SendShopEmailEnquiryEventHandler(NotificationService notificationService) : 
+    INotificationHandler<SendShopEmailEnquiryEvent>
+{
+    public async ValueTask Handle(SendShopEmailEnquiryEvent notification, CancellationToken cancellationToken) =>
+        await notificationService.CreateNotificationAsync(new Models.CreateNotification
+        {
+            CorrelationId = notification.CorrelationId,
+            CorrelationIdType = CorrelationIdTypes.None,
+            Direction = NotificationDirection.Outgoing,
+            IsHtml = false,
+            IsInternal = true,
+            Message = notification.Message,
+            Platform = NotificationPlatforms.Email,
+            Priority = notification.Priority,
+            Subject = notification.Subject!,
+            Sender = notification.SenderName!,
+            SenderAddress = notification.SenderAddress!,
+            Recipient = ShopEmailFromName,
+            RecipientAddress = ShopEmailFromAddress
+        }, cancellationToken);
+}

LiteCharms.Features.TechShop/Notifications/Events/ProcessEmailNotificationsEvent.cs

@@ -0,0 +1,16 @@
+using LiteCharms.Features.Abstractions;
+
+namespace LiteCharms.Features.TechShop.Notifications.Events;
+
+public class ProcessEmailNotificationsEvent : EventBase, IEvent
+{
+    public string Name { get; set; } = nameof(ProcessEmailNotificationsEvent);
+
+    public int MaxRecords { get; set; }
+
+    public ProcessEmailNotificationsEvent() { MaxRecords = 1000; }
+
+    private ProcessEmailNotificationsEvent(int maxRecords = 1000) => MaxRecords = maxRecords;
+
+    public static ProcessEmailNotificationsEvent Create(int maxRecords = 1000) => new(maxRecords);
+}

LiteCharms.Features.TechShop/Notifications/Events/SendShopEmailEnquiryEvent.cs

@@ -0,0 +1,39 @@
+using LiteCharms.Features.Abstractions;
+
+namespace LiteCharms.Features.TechShop.Notifications.Events;
+
+public class SendShopEmailEnquiryEvent : EventBase, IEvent
+{
+    public string Name { get; set; } = nameof(SendShopEmailEnquiryEvent);
+
+    public string? SenderName { get; set; }
+
+    public string? SenderAddress { get; set; }
+
+    public string? Subject { get; set; }
+
+    public string? Message { get; set; }
+
+    public Priorities Priority { get; set; }
+
+    public SendShopEmailEnquiryEvent() { }
+
+    private SendShopEmailEnquiryEvent(string senderName, string senderAddress, string subject, string message, Priorities priority = Priorities.Medium)
+    {
+        SenderName = senderName;
+        SenderAddress = senderAddress;
+        Subject = subject;
+        Message = message;
+        Priority = priority;
+    }
+
+    public static SendShopEmailEnquiryEvent Create(string senderName, string senderAddress, string subject, string message, Priorities priority = Priorities.Medium)
+    {
+        ArgumentNullException.ThrowIfNullOrWhiteSpace(senderName, nameof(senderName));
+        ArgumentNullException.ThrowIfNullOrWhiteSpace(senderAddress, nameof(senderAddress));
+        ArgumentNullException.ThrowIfNullOrWhiteSpace(subject, nameof(subject));
+        ArgumentNullException.ThrowIfNullOrWhiteSpace(message, nameof(message));
+
+        return new(senderName, senderAddress, subject, message, priority);
+    }
+}

LiteCharms.Features.TechShop/Notifications/Models/Notification.cs

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+using LiteCharms.Features.TechShop;
+
+namespace LiteCharms.Features.TechShop.Notifications.Models;
+
+public class Notification
+{
+    public Guid Id { get; set; }
+
+    public DateTime CreatedAt { get; set; }
+
+    public DateTime? UpdatedAt { get; set; }
+
+    public NotificationDirection Direction { get; set; }
+
+    public NotificationPlatforms Platform { get; set; }
+
+    public Priorities Priority { get; set; }
+
+    public CorrelationIdTypes CorrelationIdType { get; set; }
+
+    public string? SenderAddress { get; set; }
+
+    public string? SenderName { get; set; }
+
+    public string? Subject { get; set; }
+
+    public string? Message { get; set; }
+
+    public string? RecipientName { get; set; }
+
+    public string? RecipientAddress { get; set; }
+
+    public string? CorrelationId { get; set; }
+
+    public bool IsHtml { get; set; }
+
+    public bool IsInternal { get; set; }
+
+    public bool Processed { get; set; }
+
+    public bool HasError { get; set; }
+
+    public string[]? Errors { get; set; }
+}

LiteCharms.Features.TechShop/Notifications/Models/Records.cs

@@ -0,0 +1,41 @@
+namespace LiteCharms.Features.TechShop.Notifications.Models;
+
+public record CreateNotification
+{
+    public required NotificationDirection Direction { get; set; }
+
+    public required string Sender { get; set; }
+
+    public required string SenderAddress { get; set; }
+
+    public required string Subject { get; set; }
+
+    public string? Message { get; set; }
+
+    public required NotificationPlatforms Platform { get; set; }
+
+    public required Priorities Priority { get; set; }
+
+    public required string Recipient { get; set; }
+
+    public required string RecipientAddress { get; set; }
+
+    public string? CorrelationId { get; set; }
+
+    public CorrelationIdTypes CorrelationIdType { get; set; }
+
+    public bool IsInternal { get; set; }
+
+    public bool IsHtml { get; set; }
+}
+
+public class UpdateNotification
+{
+    public required Guid NotificationId { get; set; }
+
+    public required bool Processed { get; set; }
+
+    public bool HasError { get; set; }
+
+    public string[]? Errors { get; set; }
+}

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));
+        }
+    }
+}