Files
components/LiteCharms.Features.MidrandBooks/Orders/OrderService.cs
T
Khwezi Mngoma 902942eee6
continuous-integration/drone/pr Build is passing
Completed initial database design
Sealed qualifying public classes
Migrated database changes
2026-05-27 09:12:04 +02:00

464 lines
18 KiB
C#

using LiteCharms.Features.MidrandBooks.Abstractions;
using LiteCharms.Features.MidrandBooks.Extensions;
using LiteCharms.Features.MidrandBooks.Orders.Models;
using LiteCharms.Features.MidrandBooks.Postgres;
using LiteCharms.Features.Models;
namespace LiteCharms.Features.MidrandBooks.Orders;
public sealed class OrderService(IDbContextFactory<MidrandBooksDbContext> contextFactory) : IService
{
public async ValueTask<Result<long>> CreateOrderAsync(long customerId, CreateOrder request, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
if (!await context.Customers.AnyAsync(c => c.Id == customerId, cancellationToken))
return Result.Fail<long>("Customer not found.");
var order = context.Orders.Add(new Entities.Order
{
CustomerId = customerId,
Status = OrderStatus.Pending,
Total = request.TotalPrice
});
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok(order.Entity.Id)
: Result.Fail<long>("Failed to create order.");
}
catch (Exception ex)
{
return Result.Fail<long>(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result<long>> AddItemToOrderAsync(long orderId, CreateOrderItem request, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
if (!await context.Orders.AnyAsync(o => o.Id == orderId, cancellationToken))
return Result.Fail<long>("Order not found.");
if(!await context.Books.AnyAsync(ab => ab.Id == request.AuthorBookId, cancellationToken))
return Result.Fail<long>("Author book not found.");
if (!await context.Prices.AnyAsync(pp => pp.Id == request.ProductPriceId, cancellationToken))
return Result.Fail<long>("Product price not found.");
var orderItem = context.OrderItems.Add(new Entities.OrderItem
{
OrderId = orderId,
AuthorBookId = request.AuthorBookId,
ProductPriceId = request.ProductPriceId,
Quantity = request.Quantity
});
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok(orderItem.Entity.Id)
: Result.Fail<long>("Failed to add item to order.");
}
catch (Exception ex)
{
return Result.Fail<long>(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> AddItemsToOrderAsync(long orderId, CreateOrderItem[] items, CancellationToken cancellationToken = default)
{
try
{
if(items.Length == 0)
return Result.Fail("No items to add.");
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
if (!await context.Orders.AnyAsync(o => o.Id == orderId, cancellationToken))
return Result.Fail("Order not found.");
var existingItems = context.OrderItems.Where(oi => oi.OrderId == orderId);
context.OrderItems.RemoveRange(existingItems);
foreach (var item in items)
{
if (!await context.Books.AnyAsync(ab => ab.Id == item.AuthorBookId, cancellationToken))
return Result.Fail($"Author book with ID {item.AuthorBookId} not found.");
if (!await context.Prices.AnyAsync(pp => pp.Id == item.ProductPriceId, cancellationToken))
return Result.Fail($"Product price with ID {item.ProductPriceId} not found.");
context.OrderItems.Add(new Entities.OrderItem
{
OrderId = orderId,
AuthorBookId = item.AuthorBookId,
ProductPriceId = item.ProductPriceId,
Quantity = item.Quantity
});
}
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to add items to order.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> RemoveItemFromOrderAsync(long orderId, long orderItemId, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var orderItem = await context.OrderItems.FirstOrDefaultAsync(oi => oi.Id == orderItemId && oi.OrderId == orderId, cancellationToken);
if (orderItem is null)
return Result.Fail("Order item not found.");
context.OrderItems.Remove(orderItem);
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to remove item from order.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> ClearOrderItemasAsync(long orderId, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var orderItems = context.OrderItems.Where(oi => oi.OrderId == orderId);
context.OrderItems.RemoveRange(orderItems);
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to clear order items.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> CancelOrderAsync(long orderId, CancellationToken cancellationToken = default) =>
await UpdateOrderStatusAsync(orderId, OrderStatus.Cancelled, cancellationToken);
public async ValueTask<Result<Order>> GetOrderAsync(long orderId, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var order = await context.Orders.AsNoTracking().FirstOrDefaultAsync(o => o.Id == orderId, cancellationToken);
return order is not null
? Result.Ok(order.ToModel())
: Result.Fail<Order>("Order not found.");
}
catch (Exception ex)
{
return Result.Fail<Order>(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result<Order[]>> GetOrdersByCustomerAsync(long customerId, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
if(!await context.Customers.AnyAsync(c => c.Id == customerId, cancellationToken))
return Result.Fail<Order[]>("Customer not found.");
var orders = await context.Orders
.AsNoTracking()
.Where(o => o.CustomerId == customerId)
.ToListAsync(cancellationToken);
return Result.Ok(orders.Select(o => o.ToModel()).ToArray());
}
catch (Exception ex)
{
return Result.Fail<Order[]>(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result<Order[]>> GetOrdersAsync(DateRange range, int index, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var orders = await context.Orders
.AsNoTracking()
.Where(o => o.CreatedAt >= range.From.ToDateTime(TimeOnly.MinValue) && o.CreatedAt <= range.To.ToDateTime(TimeOnly.MaxValue))
.Skip(index * range.MaxRecords)
.ToListAsync(cancellationToken);
return Result.Ok(orders.Select(o => o.ToModel()).ToArray());
}
catch (Exception ex)
{
return Result.Fail<Order[]>(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> UpdateOrderStatusAsync(long orderId, OrderStatus newStatus, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var order = await context.Orders.FirstOrDefaultAsync(o => o.Id == orderId, cancellationToken);
if (order is null)
return Result.Fail("Order not found.");
order.UpdatedAt = DateTime.UtcNow;
order.Status = newStatus;
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to update order status.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> AddShippingToOrderAsync(long orderId, CreateShipping request, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
if(!await context.Orders.AnyAsync(o => o.Id == orderId, cancellationToken))
return Result.Fail("Order not found.");
if(!await context.Addresses.AnyAsync(a => a.Id == request.AddressId, cancellationToken))
return Result.Fail("Address not found.");
if(!await context.ShippingProviders.AnyAsync(sp => sp.Id == request.ShippingProviderId && sp.Enabled, cancellationToken))
return Result.Fail("Shipping provider not found or disabled.");
if(await context.Shippings.AnyAsync(s => s.OrderId == orderId, cancellationToken))
return Result.Fail("Shipping already exists for this order.");
var shipping = context.Shippings.Add(new Entities.Shipping
{
OrderId = orderId,
AddressId = request.AddressId,
ShippingProviderId = request.ShippingProviderId,
Status = ShippingStatuses.Pending,
TrackingNumber = request.TrackingNumber
});
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to add shipping to order.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> UpdateShippingStatusAsync(long orderId, ShippingStatuses newStatus, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var shipping = await context.Shippings.FirstOrDefaultAsync(s => s.OrderId == orderId, cancellationToken);
if (shipping is null)
return Result.Fail("Shipping not found for this order.");
shipping.UpdatedAt = DateTime.UtcNow;
shipping.Status = newStatus;
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to update shipping status.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
public async Task<Result<Shipping>> GetShippingByOrderIdAsync(long orderId, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var shipping = await context.Shippings
.AsNoTracking()
.FirstOrDefaultAsync(s => s.OrderId == orderId, cancellationToken);
return shipping is not null
? Result.Ok(shipping.ToModel())
: Result.Fail<Shipping>("Shipping not found for this order.");
}
catch (Exception ex)
{
return Result.Fail<Shipping>(new Error(ex.Message).CausedBy(ex));
}
}
public async Task<Result> RemoveShippingFromOrderAsync(long orderId, long shippingId, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
if(!await context.Orders.AnyAsync(o => o.Id == orderId, cancellationToken))
return Result.Fail("Order not found.");
var shipping = await context.Shippings.AsNoTracking()
.FirstOrDefaultAsync(s => s.OrderId == orderId && s.Id == shippingId, cancellationToken);
if (shipping is null)
return Result.Fail("Shipping not found for this order.");
context.Shippings.Remove(shipping);
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to remove shipping from order.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> UpdateShippingTrackingNumberAsync(long orderId, long shippingId, string trackingNumber, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var shipping = await context.Shippings.FirstOrDefaultAsync(s => s.OrderId == orderId && s.Id == shippingId, cancellationToken);
if (shipping is null)
return Result.Fail("Shipping not found for this order.");
shipping.UpdatedAt = DateTime.UtcNow;
shipping.TrackingNumber = trackingNumber;
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to update shipping tracking number.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> CreateShippingProviderAsync(CreateShippingProvider request, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
if(await context.ShippingProviders.AnyAsync(sp => sp.Type == request.Type, cancellationToken))
return Result.Fail("Shipping provider with the same type already exists.");
var shippingProvider = context.ShippingProviders.Add(new Entities.ShippingProvider
{
Name = request.Name,
Type = request.Type,
Price = request.Price,
TrackingUrl = request.TrackingUrl
});
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to create shipping provider.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result<ShippingProvider[]>> GetShippingProvidersAsync(bool isEnabled, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var providers = await context.ShippingProviders.AsNoTracking().Where(sp => sp.Enabled == isEnabled)
.ToListAsync(cancellationToken);
return Result.Ok(providers.Select(sp => sp.ToModel()).ToArray());
}
catch (Exception ex)
{
return Result.Fail<ShippingProvider[]>(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result<ShippingProvider>> GetShippingProviderAsync(long providerId, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var provider = await context.ShippingProviders.AsNoTracking()
.FirstOrDefaultAsync(sp => sp.Id == providerId, cancellationToken);
return provider is not null
? Result.Ok(provider.ToModel())
: Result.Fail<ShippingProvider>("Shipping provider not found.");
}
catch (Exception ex)
{
return Result.Fail<ShippingProvider>(new Error(ex.Message).CausedBy(ex));
}
}
public async ValueTask<Result> UpdateShippingProviderAsync(UpdateShippingProvider request, CancellationToken cancellationToken = default)
{
try
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var provider = await context.ShippingProviders.FirstOrDefaultAsync(sp => sp.Id == request.ProviderId, cancellationToken);
if (provider is null)
return Result.Fail("Shipping provider not found.");
provider.UpdatedAt = DateTime.UtcNow;
provider.Enabled = request.Enabled;
provider.Name = request.Name;
provider.Price = request.Price;
provider.TrackingUrl = request.TrackingUrl;
return await context.SaveChangesAsync(cancellationToken) > 0
? Result.Ok()
: Result.Fail("Failed to update shipping provider status.");
}
catch (Exception ex)
{
return Result.Fail(new Error(ex.Message).CausedBy(ex));
}
}
}