Created Order, Refund, Shipping

LiteCharms.Features.MidrandBooks/LiteCharms.Features.MidrandBooks.csproj

@@ -163,8 +163,4 @@
     </None>
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="Order\Entities\" />
-  </ItemGroup>
-
 </Project>

LiteCharms.Features.MidrandBooks/Orders/Entities/Order.cs

@@ -0,0 +1,11 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+[EntityTypeConfiguration<OrderConfiguration, Order>]
+public class Order : Models.Order
+{
+    public virtual Shipping? Shipping { get; set; }
+
+    public virtual ICollection<OrderItem> OrderItems { get; set; } = [];
+
+    public virtual ICollection<Refund> Refunds { get; set; } = [];
+}

LiteCharms.Features.MidrandBooks/Orders/Entities/OrderConfiguration.cs

@@ -0,0 +1,17 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+public class OrderConfiguration : IEntityTypeConfiguration<Order>
+{
+    public void Configure(EntityTypeBuilder<Order> builder)
+    {
+        builder.ToTable("Orders");
+
+        builder.HasKey(o => o.Id);
+        builder.Property(o => o.CustomerId).IsRequired();
+        builder.Property(o => o.CreatedAt).IsRequired().ValueGeneratedOnAdd().HasDefaultValueSql("now()");
+        builder.Property(o => o.UpdatedAt).HasDefaultValueSql("now()");
+        builder.Property(o => o.Status).IsRequired();
+        builder.Property(o => o.Total).IsRequired().HasColumnType("decimal(18,2)");
+        builder.Property(o => o.Notes).HasMaxLength(1000);        
+    }
+}

LiteCharms.Features.MidrandBooks/Orders/Entities/OrderItem.cs

@@ -0,0 +1,14 @@
+using LiteCharms.Features.MidrandBooks.AuthorBooks.Entities;
+using LiteCharms.Features.MidrandBooks.Products.Entities;
+
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+[EntityTypeConfiguration<OrderItemConfiguration, OrderItem>]
+public class OrderItem : Models.OrderItem
+{
+    public virtual Order? Order { get; set; }
+
+    public virtual AuthorBook? AuthorBook { get; set; }
+
+    public virtual ProductPrice? ProductPrice { get; set; }
+}

LiteCharms.Features.MidrandBooks/Orders/Entities/OrderItemConfiguration.cs

@@ -0,0 +1,31 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+public class OrderItemConfiguration : IEntityTypeConfiguration<OrderItem>
+{
+    public void Configure(EntityTypeBuilder<OrderItem> builder)
+    {
+        builder.ToTable("OrderItems");
+
+        builder.HasKey(oi => oi.Id);
+        builder.Property(oi => oi.CreatedAt).IsRequired().ValueGeneratedOnAdd().HasDefaultValueSql("new()");
+        builder.Property(oi => oi.OrderId).IsRequired();
+        builder.Property(oi => oi.AuthorBookId).IsRequired();
+        builder.Property(oi => oi.ProductPriceId).IsRequired();
+        builder.Property(oi => oi.Quantity).IsRequired();
+
+        builder.HasOne(oi => oi.Order)
+            .WithMany(o => o.OrderItems)
+            .HasForeignKey(oi => oi.OrderId)
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder.HasOne(oi => oi.AuthorBook)
+            .WithMany()
+            .HasForeignKey(oi => oi.AuthorBookId)
+            .OnDelete(DeleteBehavior.Restrict);
+
+        builder.HasOne(oi => oi.ProductPrice)
+            .WithMany()
+            .HasForeignKey(oi => oi.ProductPriceId)
+            .OnDelete(DeleteBehavior.Restrict);
+    }
+}

LiteCharms.Features.MidrandBooks/Orders/Entities/Refund.cs

@@ -0,0 +1,7 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+[EntityTypeConfiguration<RefundConfiguration, Refund>]
+public class Refund : Models.Refund
+{
+    public virtual Order? Order { get; set; }
+}

LiteCharms.Features.MidrandBooks/Orders/Entities/RefundConfiguration.cs

@@ -0,0 +1,22 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+public class RefundConfiguration : IEntityTypeConfiguration<Refund>
+{
+    public void Configure(EntityTypeBuilder<Refund> builder)
+    {
+        builder.ToTable("Refunds");
+
+        builder.HasKey(r => r.Id);
+        builder.Property(r => r.OrderId).IsRequired();
+        builder.Property(o => o.CreatedAt).IsRequired().ValueGeneratedOnAdd().HasDefaultValueSql("now()");
+        builder.Property(o => o.UpdatedAt).HasDefaultValueSql("now()");
+        builder.Property(o => o.Status).IsRequired();
+        builder.Property(r => r.Amount).IsRequired().HasPrecision(18, 2);
+        builder.Property(r => r.Reason).HasMaxLength(1000);
+
+        builder.HasOne(r => r.Order)
+            .WithMany(o => o.Refunds)
+            .HasForeignKey(r => r.OrderId)
+            .OnDelete(DeleteBehavior.Restrict);
+    }
+}

LiteCharms.Features.MidrandBooks/Orders/Entities/Shipping.cs

@@ -0,0 +1,13 @@
+using LiteCharms.Features.MidrandBooks.Customers.Entities;
+
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+[EntityTypeConfiguration<ShippingConfiguration, Shipping>]
+public class Shipping : Models.Shipping
+{
+    public virtual Order? Order { get; set; }
+
+    public virtual Address? Address { get; set; }
+
+    public virtual ShippingProvider? ShippingProvider { get; set; }
+}

LiteCharms.Features.MidrandBooks/Orders/Entities/ShippingConfiguration.cs

@@ -0,0 +1,32 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+public class ShippingConfiguration : IEntityTypeConfiguration<Shipping>
+{
+    public void Configure(EntityTypeBuilder<Shipping> builder)
+    {
+        builder.ToTable("Shippings");
+
+        builder.HasKey(s => s.Id);
+        builder.Property(s => s.OrderId).IsRequired();
+        builder.Property(s => s.AddressId).IsRequired();
+        builder.Property(s => s.ShippingProviderId).IsRequired();
+        builder.Property(s => s.CreatedAt).IsRequired().ValueGeneratedOnAdd().HasDefaultValueSql("now()");
+        builder.Property(s => s.UpdatedAt).HasDefaultValueSql("now()");
+        builder.Property(s => s.Status).IsRequired();
+
+        builder.HasOne(s => s.Order)
+            .WithOne(o => o.Shipping)
+            .HasForeignKey<Shipping>(s => s.OrderId)
+            .OnDelete(DeleteBehavior.Restrict);
+
+        builder.HasOne(s => s.Address)
+            .WithMany()
+            .HasForeignKey(s => s.AddressId)
+            .OnDelete(DeleteBehavior.Restrict);
+
+        builder.HasOne(f => f.ShippingProvider)
+            .WithMany(f => f.Shippings)
+            .HasForeignKey(f => f.ShippingProviderId)
+            .OnDelete(DeleteBehavior.Restrict);
+    }
+}

LiteCharms.Features.MidrandBooks/Orders/Entities/ShippingProvider.cs

@@ -0,0 +1,6 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+public class ShippingProvider : Models.ShippingProvider
+{
+    public virtual ICollection<Shipping> Shippings { get; set; } = [];
+}

LiteCharms.Features.MidrandBooks/Orders/Entities/ShippingProviderConfiguration.cs

@@ -0,0 +1,17 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Entities;
+
+public class ShippingProviderConfiguration : IEntityTypeConfiguration<ShippingProvider>
+{
+    public void Configure(EntityTypeBuilder<ShippingProvider> builder)
+    {
+        builder.ToTable("ShippingProviders");
+
+        builder.HasKey(f => f.Id);
+        builder.Property(f => f.CreatedAt).IsRequired().ValueGeneratedOnAdd().HasDefaultValueSql("now()");
+        builder.Property(f => f.UpdatedAt).HasDefaultValueSql("now()");
+        builder.Property(f => f.Type).IsRequired();
+        builder.Property(f => f.Name).IsRequired().HasMaxLength(100);
+        builder.Property(f => f.Price).IsRequired().HasPrecision(18, 2);
+        builder.Property(f => f.Enabled).HasDefaultValue(true);
+    }
+}

LiteCharms.Features.MidrandBooks/Orders/Models/Order.cs

@@ -1,4 +1,4 @@
-namespace LiteCharms.Features.MidrandBooks.Order.Models;
+namespace LiteCharms.Features.MidrandBooks.Orders.Models;
 
 public class Order
 {
@@ -14,9 +14,7 @@ public class Order
 
     public decimal Total { get; set; }
 
-    public string[]? Notes { get; set; }
-
-    public string[]? Terms { get; set; }
+    public string? Notes { get; set; }
 
     public string? InvoiceUrl { get; set; }
 }

LiteCharms.Features.MidrandBooks/Orders/Models/OrderItem.cs

@@ -0,0 +1,16 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Models;
+
+public class OrderItem
+{
+    public long Id { get; set; }
+
+    public DateTime CreatedAt { get; set; }
+
+    public long OrderId { get; set; }
+
+    public long AuthorBookId { get; set; }
+
+    public long ProductPriceId { get; set; }
+
+    public int Quantity { get; set; }
+}

LiteCharms.Features.MidrandBooks/Orders/Models/Records.cs

@@ -0,0 +1,5 @@
+namespace LiteCharms.Features.MidrandBooks.Orders.Models;
+
+public record CreateOrder(long CustomerId, decimal TotalPrice, string? Notes);
+
+public record CreateOrderItem(long AuthorBookId, long ProductPriceId, int Quantity);

LiteCharms.Features.MidrandBooks/Orders/Models/Refund.cs

@@ -1,4 +1,4 @@
-namespace LiteCharms.Features.MidrandBooks.Order.Models;
+namespace LiteCharms.Features.MidrandBooks.Orders.Models;
 
 public class Refund
 {

LiteCharms.Features.MidrandBooks/Orders/Models/Shipping.cs

@@ -1,4 +1,4 @@
-namespace LiteCharms.Features.MidrandBooks.Order.Models;
+namespace LiteCharms.Features.MidrandBooks.Orders.Models;
 
 public class Shipping
 {
@@ -10,5 +10,9 @@ public class Shipping
 
     public long OrderId { get; set; }
 
+    public long AddressId { get; set; }
+
+    public long ShippingProviderId { get; set; }
+
     public ShippingStatuses Status { get; set; }
 }

LiteCharms.Features.MidrandBooks/Orders/Models/ShippingProvider.cs

@@ -1,4 +1,4 @@
-namespace LiteCharms.Features.MidrandBooks.Order.Models;
+namespace LiteCharms.Features.MidrandBooks.Orders.Models;
 
 public class ShippingProvider
 {

LiteCharms.Features.MidrandBooks/Orders/OrderService.cs

@@ -0,0 +1,109 @@
+using LiteCharms.Features.MidrandBooks.Abstractions;
+using LiteCharms.Features.MidrandBooks.Orders.Models;
+using LiteCharms.Features.MidrandBooks.Postgres;
+
+namespace LiteCharms.Features.MidrandBooks.Orders;
+
+public 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));
+        }
+    }
+}

LiteCharms.Features.MidrandBooks/Postgres/MidrandBooksDbContext.cs

@@ -1,6 +1,7 @@
 using LiteCharms.Features.MidrandBooks.AuthorBooks.Entities;
 using LiteCharms.Features.MidrandBooks.Authors.Entities;
 using LiteCharms.Features.MidrandBooks.Customers.Entities;
+using LiteCharms.Features.MidrandBooks.Orders.Entities;
 using LiteCharms.Features.MidrandBooks.Pages.Entities;
 using LiteCharms.Features.MidrandBooks.Products.Entities;
 
@@ -23,4 +24,14 @@ public class MidrandBooksDbContext(DbContextOptions<MidrandBooksDbContext> optio
     public DbSet<Address> Addresses => Set<Address>();
 
     public DbSet<Customer> Customers => Set<Customer>();
+
+    public DbSet<Order> Orders => Set<Order>();
+
+    public DbSet<OrderItem> OrderItems => Set<OrderItem>();
+
+    public DbSet<Refund> Refunds => Set<Refund>();
+
+    public DbSet<Shipping> Shippings => Set<Shipping>();
+
+    public DbSet<ShippingProvider> ShippingProviders => Set<ShippingProvider>();
 }