Retructured solution

LiteCharms.Features/Shop/Quotes/Commands/AssignQuoteToOrderCommand.cs

@@ -0,0 +1,25 @@
+namespace LiteCharms.Features.Quotes.Commands;
+
+public class AssignQuoteToOrderCommand : IRequest<Result>
+{
+    public Guid OrderId { get; set; }
+
+    public Guid QuoteId { get; set; }
+
+    private AssignQuoteToOrderCommand(Guid orderId, Guid quoteId)
+    {
+        OrderId = orderId;
+        QuoteId = quoteId;
+    }
+
+    public static AssignQuoteToOrderCommand Create(Guid orderId, Guid quoteId)
+    {
+        if(orderId == Guid.Empty)
+            throw new ArgumentException("Order ID is required.", nameof(orderId));
+
+        if(quoteId == Guid.Empty)
+            throw new ArgumentException("Quote ID is required.", nameof(quoteId));
+
+        return new AssignQuoteToOrderCommand(orderId, quoteId);
+    }
+}

LiteCharms.Features/Shop/Quotes/Commands/AssignQuoteToShoppingCartCommand.cs

@@ -0,0 +1,25 @@
+namespace LiteCharms.Features.Quotes.Commands;
+
+public class AssignQuoteToShoppingCartCommand : IRequest<Result>
+{
+    public Guid QuoteId { get; set; }
+
+    public Guid ShoppingCartId { get; set; }
+
+    private AssignQuoteToShoppingCartCommand(Guid quoteId, Guid shoppingCartId)
+    {
+        QuoteId = quoteId;
+        ShoppingCartId = shoppingCartId;
+    }
+
+    public static AssignQuoteToShoppingCartCommand Create(Guid quoteId, Guid shoppingCartId)
+    {
+        if(quoteId == Guid.Empty)
+            throw new ArgumentException("QuoteId cannot be empty.", nameof(quoteId));
+
+        if (shoppingCartId == Guid.Empty)
+            throw new ArgumentException("ShoppingCartId cannot be empty.", nameof(shoppingCartId));
+
+        return new(quoteId, shoppingCartId);
+    }
+}

LiteCharms.Features/Shop/Quotes/Commands/Handlers/AssignQuoteToOrderCommandHandler.cs

@@ -0,0 +1,35 @@
+using LiteCharms.Features.Shop.Postgres;
+
+namespace LiteCharms.Features.Quotes.Commands.Handlers;
+
+public class AssignQuoteToOrderCommandHandler(IDbContextFactory<ShopDbContext> contextFactory) : IRequestHandler<AssignQuoteToOrderCommand, Result>
+{
+    public async ValueTask<Result> Handle(AssignQuoteToOrderCommand request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var order = await context.Orders.FirstOrDefaultAsync(o => o.Id == request.OrderId, cancellationToken);
+
+            if (order is null)
+                return Result.Fail(new Error($"Order with id {request.OrderId} not found"));
+
+            if(!await context.Quotes.AnyAsync(q => q.Id == request.OrderId, cancellationToken))
+                return Result.Fail(new Error($"Quote with id {request.QuoteId} not found"));
+
+            if(order.QuoteId == request.QuoteId)
+                return Result.Fail(new Error($"Quote with id {request.QuoteId} is already assigned to order with id {request.OrderId}"));
+
+            order.QuoteId = request.QuoteId;
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok()
+                : Result.Fail(new Error($"Failed to assign quote with id {request.QuoteId} to order with id {request.OrderId}"));
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+}

LiteCharms.Features/Shop/Quotes/Commands/Handlers/AssignQuoteToShoppingCartCommandHandler.cs

@@ -0,0 +1,32 @@
+using LiteCharms.Features.Shop.Postgres;
+
+namespace LiteCharms.Features.Quotes.Commands.Handlers;
+
+public class AssignQuoteToShoppingCartCommandHandler(IDbContextFactory<ShopDbContext> contextFactory) : IRequestHandler<AssignQuoteToShoppingCartCommand, Result>
+{
+    public async ValueTask<Result> Handle(AssignQuoteToShoppingCartCommand request, CancellationToken cancellationToken)
+    {
+		try
+		{
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var shoppingCart = await context.Orders.FirstOrDefaultAsync(o => o.Id == request.ShoppingCartId, cancellationToken);
+
+            if (shoppingCart is null)
+                return Result.Fail(new Error($"ShoppingCart with id {request.ShoppingCartId} not found"));
+
+            if(!await context.Quotes.AnyAsync(q => q.Id == request.QuoteId, cancellationToken))
+                return Result.Fail(new Error($"Quote with id {request.QuoteId} not found"));
+
+            shoppingCart.QuoteId = request.QuoteId;
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok()
+                : Result.Fail(new Error("Failed to assign quote to shopping cart"));
+        }
+		catch (Exception ex)
+		{
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+}

LiteCharms.Features/Shop/Quotes/Commands/Handlers/UpdateQuoteStatusCommandHandler.cs

@@ -0,0 +1,29 @@
+using LiteCharms.Features.Shop.Postgres;
+
+namespace LiteCharms.Features.Quotes.Commands.Handlers;
+
+public class UpdateQuoteStatusCommandHandler(IDbContextFactory<ShopDbContext> contextFactory) : IRequestHandler<UpdateQuoteStatusCommand, Result>
+{
+    public async ValueTask<Result> Handle(UpdateQuoteStatusCommand request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var quote = await context.Quotes.FirstOrDefaultAsync(q => q.Id == request.QuoteId, cancellationToken);
+
+            if (quote is null)
+                return Result.Fail(new Error("Quote not found."));
+
+            quote.Status = request.Status;
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok()
+                : Result.Fail(new Error("Failed to update quote status."));
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+}

LiteCharms.Features/Shop/Quotes/Commands/UpdateQuoteStatusCommand.cs

@@ -0,0 +1,25 @@
+using LiteCharms.Features.Shop;
+using LiteCharms.Models;
+
+namespace LiteCharms.Features.Quotes.Commands;
+
+public class UpdateQuoteStatusCommand : IRequest<Result>
+{
+    public Guid QuoteId { get; set; }
+
+    public QuoteStatus Status { get; set; }
+
+    private UpdateQuoteStatusCommand(Guid quoteId, QuoteStatus status)
+    {
+        QuoteId = quoteId;
+        Status = status;
+    }
+
+    public static UpdateQuoteStatusCommand Create(Guid quoteId, QuoteStatus status)
+    {
+        if(quoteId == Guid.Empty)
+            throw new ArgumentException("Quote ID cannot be empty.", nameof(quoteId));
+
+        return new(quoteId, status);
+    }
+}