├── Business ├── Models │ ├── Commerce │ │ ├── Invoice │ │ │ ├── IInvoice.cs │ │ │ ├── VATInvoice.cs │ │ │ ├── NoVATInvoice.cs │ │ │ └── GSTInvoice.cs │ │ ├── PaymentProvider.cs │ │ ├── Payment.cs │ │ ├── Summary │ │ │ ├── ISummary.cs │ │ │ ├── CsvSummary.cs │ │ │ └── EmailSummary.cs │ │ ├── Item.cs │ │ └── Order.cs │ └── Shipping │ │ ├── Factories │ │ ├── GlobalExpressShippingProviderFactory.cs │ │ ├── ShippingProviderFactory.cs │ │ └── StandardShippingProviderFactory.cs │ │ ├── GlobalExpressShippingProvider.cs │ │ ├── SwedishPostalServiceShippingProvider.cs │ │ ├── AustraliaPostShippingProvider.cs │ │ └── ShippingProvider.cs ├── IPurchaseProviderFactory.cs ├── AustraliaPurchaseProviderFactory.cs ├── ShoppingCart.cs └── SwedenPurchaseProviderFactory.cs ├── Abstract Factory Pattern.csproj ├── Abstract Factory Pattern.sln ├── Program.cs ├── .gitattributes └── .gitignore /Business/Models/Commerce/Invoice/IInvoice.cs: -------------------------------------------------------------------------------- 1 | namespace Abstract_Factory_Pattern.Business.Models.Commerce.Invoice 2 | { 3 | public interface IInvoice 4 | { 5 | public byte[] GenerateInvoice(); 6 | } 7 | } 8 | -------------------------------------------------------------------------------- /Business/Models/Commerce/PaymentProvider.cs: -------------------------------------------------------------------------------- 1 | namespace Abstract_Factory_Pattern.Business.Models.Commerce 2 | { 3 | public enum PaymentProvider 4 | { 5 | Paypal, 6 | CreditCard, 7 | Invoice 8 | } 9 | } -------------------------------------------------------------------------------- /Business/Models/Commerce/Payment.cs: -------------------------------------------------------------------------------- 1 | namespace Abstract_Factory_Pattern.Business.Models.Commerce 2 | { 3 | public class Payment 4 | { 5 | public decimal Amount { get; set; } 6 | public PaymentProvider PaymentProvider { get; set; } 7 | } 8 | } -------------------------------------------------------------------------------- /Business/Models/Commerce/Summary/ISummary.cs: -------------------------------------------------------------------------------- 1 | namespace Abstract_Factory_Pattern.Business.Models.Commerce.Summary 2 | { 3 | public interface ISummary 4 | { 5 | string CreateOrderSummary(Order order); 6 | 7 | void Send(); 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /Abstract Factory Pattern.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Exe 5 | netcoreapp3.1 6 | Abstract_Factory_Pattern 7 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /Business/Models/Commerce/Summary/CsvSummary.cs: -------------------------------------------------------------------------------- 1 | namespace Abstract_Factory_Pattern.Business.Models.Commerce.Summary 2 | { 3 | public class CsvSummary : ISummary 4 | { 5 | public string CreateOrderSummary(Order order) 6 | { 7 | return "This is a CSV summary"; 8 | } 9 | 10 | public void Send() { } 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Business/Models/Commerce/Summary/EmailSummary.cs: -------------------------------------------------------------------------------- 1 | namespace Abstract_Factory_Pattern.Business.Models.Commerce.Summary 2 | { 3 | public class EmailSummary : ISummary 4 | { 5 | public string CreateOrderSummary(Order order) 6 | { 7 | return $"This is an email summary"; 8 | } 9 | 10 | public void Send() { } 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Business/Models/Commerce/Invoice/VATInvoice.cs: -------------------------------------------------------------------------------- 1 | using System.Text; 2 | 3 | namespace Abstract_Factory_Pattern.Business.Models.Commerce.Invoice 4 | { 5 | public class VATInvoice : IInvoice 6 | { 7 | public byte[] GenerateInvoice() 8 | { 9 | return Encoding.Default.GetBytes("Hello world from a VAT Invoice"); 10 | } 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Business/Models/Commerce/Invoice/NoVATInvoice.cs: -------------------------------------------------------------------------------- 1 | using System.Text; 2 | 3 | namespace Abstract_Factory_Pattern.Business.Models.Commerce.Invoice 4 | { 5 | public class NoVATInvoice : IInvoice 6 | { 7 | public byte[] GenerateInvoice() 8 | { 9 | return Encoding.Default.GetBytes("Hello world from a NO VAT invoice"); 10 | } 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Business/Models/Shipping/Factories/GlobalExpressShippingProviderFactory.cs: -------------------------------------------------------------------------------- 1 | namespace Abstract_Factory_Pattern.Business.Models.Shipping.Factories 2 | { 3 | public class GlobalExpressShippingProviderFactory : ShippingProviderFactory 4 | { 5 | public override ShippingProvider CreateShippingProvider(string country) 6 | { 7 | return new GlobalExpressShippingProvider(); 8 | } 9 | } 10 | } 11 | -------------------------------------------------------------------------------- /Business/Models/Shipping/GlobalExpressShippingProvider.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business.Models.Commerce; 2 | 3 | namespace Abstract_Factory_Pattern.Business.Models.Shipping 4 | { 5 | public class GlobalExpressShippingProvider : ShippingProvider 6 | { 7 | public override string GenerateShippingLabelFor(Order order) 8 | { 9 | return "GLOBAL-EXPRESS"; 10 | } 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Business/Models/Commerce/Invoice/GSTInvoice.cs: -------------------------------------------------------------------------------- 1 | using System.Text; 2 | 3 | namespace Abstract_Factory_Pattern.Business.Models.Commerce.Invoice 4 | { 5 | public class GSTInvoice : IInvoice 6 | { 7 | public byte[] GenerateInvoice() 8 | { 9 | return 10 | Encoding 11 | .Default 12 | .GetBytes("Hello world from a GST Invoice"); 13 | } 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /Business/Models/Commerce/Item.cs: -------------------------------------------------------------------------------- 1 | namespace Abstract_Factory_Pattern.Business.Models.Commerce 2 | { 3 | public class Item 4 | { 5 | public string Id { get; } 6 | public string Name { get; } 7 | public decimal Price { get; } 8 | 9 | public Item(string id, string name, decimal price) 10 | { 11 | Id = id; 12 | Name = name; 13 | Price = price; 14 | } 15 | } 16 | } -------------------------------------------------------------------------------- /Business/IPurchaseProviderFactory.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business.Models.Commerce; 2 | using Abstract_Factory_Pattern.Business.Models.Commerce.Invoice; 3 | using Abstract_Factory_Pattern.Business.Models.Commerce.Summary; 4 | using Abstract_Factory_Pattern.Business.Models.Shipping; 5 | 6 | namespace Abstract_Factory_Pattern.Business 7 | { 8 | public interface IPurchaseProviderFactory 9 | { 10 | ShippingProvider CreateShippingProvider(Order order); 11 | IInvoice CreateInvoice(Order order); 12 | ISummary CreateSummary(Order order); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /Business/Models/Shipping/Factories/ShippingProviderFactory.cs: -------------------------------------------------------------------------------- 1 | namespace Abstract_Factory_Pattern.Business.Models.Shipping.Factories 2 | { 3 | public abstract class ShippingProviderFactory 4 | { 5 | public abstract ShippingProvider CreateShippingProvider(string country); 6 | 7 | public ShippingProvider GetShippingProvider(string country) 8 | { 9 | var provider = CreateShippingProvider(country); 10 | 11 | if (country == "Sweden" && provider.InsuranceOptions.ProviderHasInsurance) 12 | { 13 | provider.RequireSignature = false; 14 | } 15 | 16 | return provider; 17 | } 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /Business/AustraliaPurchaseProviderFactory.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business.Models.Commerce; 2 | using Abstract_Factory_Pattern.Business.Models.Commerce.Invoice; 3 | using Abstract_Factory_Pattern.Business.Models.Commerce.Summary; 4 | using Abstract_Factory_Pattern.Business.Models.Shipping; 5 | using Abstract_Factory_Pattern.Business.Models.Shipping.Factories; 6 | 7 | namespace Abstract_Factory_Pattern.Business 8 | { 9 | public class AustraliaPurchaseProviderFactory : IPurchaseProviderFactory 10 | { 11 | public IInvoice CreateInvoice(Order order) 12 | { 13 | return new GSTInvoice(); 14 | } 15 | 16 | public ShippingProvider CreateShippingProvider(Order order) 17 | { 18 | var shippingProviderFactory = new StandardShippingProviderFactory(); 19 | 20 | return shippingProviderFactory.GetShippingProvider(order.Sender.Country); 21 | } 22 | 23 | public ISummary CreateSummary(Order order) 24 | { 25 | return new CsvSummary(); 26 | } 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /Abstract Factory Pattern.sln: -------------------------------------------------------------------------------- 1 | 2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 16 4 | VisualStudioVersion = 16.0.30104.148 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Abstract Factory Pattern", "Abstract Factory Pattern.csproj", "{9414412B-20BF-4138-A930-4F07EF8E7DD9}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|Any CPU = Debug|Any CPU 11 | Release|Any CPU = Release|Any CPU 12 | EndGlobalSection 13 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 14 | {9414412B-20BF-4138-A930-4F07EF8E7DD9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 15 | {9414412B-20BF-4138-A930-4F07EF8E7DD9}.Debug|Any CPU.Build.0 = Debug|Any CPU 16 | {9414412B-20BF-4138-A930-4F07EF8E7DD9}.Release|Any CPU.ActiveCfg = Release|Any CPU 17 | {9414412B-20BF-4138-A930-4F07EF8E7DD9}.Release|Any CPU.Build.0 = Release|Any CPU 18 | EndGlobalSection 19 | GlobalSection(SolutionProperties) = preSolution 20 | HideSolutionNode = FALSE 21 | EndGlobalSection 22 | GlobalSection(ExtensibilityGlobals) = postSolution 23 | SolutionGuid = {7DC8379D-330B-4FF0-AE69-1279DEF6D156} 24 | EndGlobalSection 25 | EndGlobal 26 | -------------------------------------------------------------------------------- /Business/ShoppingCart.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business.Models.Commerce; 2 | using Abstract_Factory_Pattern.Business.Models.Shipping; 3 | 4 | namespace Abstract_Factory_Pattern.Business 5 | { 6 | public class ShoppingCart 7 | { 8 | private readonly Order order; 9 | private readonly IPurchaseProviderFactory purchaseProviderFactory; 10 | 11 | public ShoppingCart(Order order, 12 | IPurchaseProviderFactory purchaseProviderFactory) 13 | { 14 | this.order = order; 15 | this.purchaseProviderFactory = purchaseProviderFactory; 16 | } 17 | 18 | public string Finalize() 19 | { 20 | var shippingProvider = purchaseProviderFactory.CreateShippingProvider(order); 21 | 22 | var invoice = purchaseProviderFactory.CreateInvoice(order); 23 | 24 | // Send invoice 25 | 26 | invoice.GenerateInvoice(); 27 | 28 | var summary = purchaseProviderFactory.CreateSummary(order); 29 | 30 | summary.Send(); 31 | 32 | // Send summary 33 | 34 | order.ShippingStatus = ShippingStatus.ReadyForShippment; 35 | 36 | return shippingProvider.GenerateShippingLabelFor(order); 37 | } 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /Business/Models/Commerce/Order.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business.Models.Shipping; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | 5 | namespace Abstract_Factory_Pattern.Business.Models.Commerce 6 | { 7 | public class Order 8 | { 9 | public Dictionary LineItems { get; } = new Dictionary(); 10 | 11 | public IList SelectedPayments { get; } = new List(); 12 | 13 | public IList FinalizedPayments { get; } = new List(); 14 | 15 | public decimal AmountDue => LineItems.Sum(item => item.Key.Price * item.Value) - FinalizedPayments.Sum(payment => payment.Amount); 16 | 17 | public decimal Total => LineItems.Sum(item => item.Key.Price * item.Value); 18 | 19 | public ShippingStatus ShippingStatus { get; set; } = ShippingStatus.WaitingForPayment; 20 | 21 | public Address Recipient { get; set; } 22 | 23 | public Address Sender { get; set; } 24 | 25 | public decimal TotalWeight { get; set; } 26 | } 27 | 28 | public class Address 29 | { 30 | public string To { get; set; } 31 | public string AddressLine1 { get; set; } 32 | public string AddressLine2 { get; set; } 33 | public string PostalCode { get; set; } 34 | public string City { get; set; } 35 | public string Country { get; set; } 36 | } 37 | } -------------------------------------------------------------------------------- /Business/SwedenPurchaseProviderFactory.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business.Models.Commerce; 2 | using Abstract_Factory_Pattern.Business.Models.Commerce.Invoice; 3 | using Abstract_Factory_Pattern.Business.Models.Commerce.Summary; 4 | using Abstract_Factory_Pattern.Business.Models.Shipping; 5 | using Abstract_Factory_Pattern.Business.Models.Shipping.Factories; 6 | 7 | namespace Abstract_Factory_Pattern.Business 8 | { 9 | public class SwedenPurchaseProviderFactory : IPurchaseProviderFactory 10 | { 11 | public IInvoice CreateInvoice(Order order) 12 | { 13 | if(order.Recipient.Country != order.Sender.Country) 14 | { 15 | return new NoVATInvoice(); 16 | } 17 | 18 | return new VATInvoice(); 19 | } 20 | 21 | public ShippingProvider CreateShippingProvider(Order order) 22 | { 23 | ShippingProviderFactory shippingProviderFactory; 24 | 25 | if(order.Sender.Country != order.Recipient.Country) 26 | { 27 | shippingProviderFactory = new GlobalExpressShippingProviderFactory(); 28 | } 29 | else 30 | { 31 | shippingProviderFactory = new StandardShippingProviderFactory(); 32 | } 33 | 34 | return shippingProviderFactory.GetShippingProvider(order.Sender.Country); 35 | } 36 | 37 | public ISummary CreateSummary(Order order) 38 | { 39 | // Translate email to Swedish 40 | return new EmailSummary(); 41 | } 42 | } 43 | } 44 | -------------------------------------------------------------------------------- /Business/Models/Shipping/SwedishPostalServiceShippingProvider.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business.Models.Commerce; 2 | using System; 3 | 4 | namespace Abstract_Factory_Pattern.Business.Models.Shipping 5 | { 6 | public class SwedishPostalServiceShippingProvider : ShippingProvider 7 | { 8 | private readonly string apiKey; 9 | 10 | public SwedishPostalServiceShippingProvider( 11 | string apiKey, 12 | ShippingCostCalculator shippingCostCalculator, 13 | CustomsHandlingOptions customsHandlingOptions, 14 | InsuranceOptions insuranceOptions) 15 | { 16 | this.apiKey = apiKey; 17 | 18 | ShippingCostCalculator = shippingCostCalculator; 19 | CustomsHandlingOptions = customsHandlingOptions; 20 | InsuranceOptions = insuranceOptions; 21 | } 22 | 23 | public override string GenerateShippingLabelFor(Order order) 24 | { 25 | var shippingId = GetShippingId(); 26 | 27 | var shippingCost = ShippingCostCalculator.CalculateFor(order.Recipient.Country, 28 | order.Sender.Country, 29 | order.TotalWeight); 30 | 31 | return $"Shipping Id: {shippingId} {Environment.NewLine}" + 32 | $"To: {order.Recipient.To} {Environment.NewLine}" + 33 | $"Order total: {order.Total} {Environment.NewLine}" + 34 | $"Tax: {CustomsHandlingOptions.TaxOptions} {Environment.NewLine}" + 35 | $"Shipping Cost: {shippingCost}"; 36 | } 37 | 38 | private string GetShippingId() 39 | { 40 | // Invoke API with API Key 41 | 42 | return Guid.NewGuid().ToString(); 43 | } 44 | 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /Business/Models/Shipping/AustraliaPostShippingProvider.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business.Models.Commerce; 2 | using System; 3 | 4 | namespace Abstract_Factory_Pattern.Business.Models.Shipping 5 | { 6 | public class AustraliaPostShippingProvider : ShippingProvider 7 | { 8 | private readonly string clientId; 9 | private readonly string secret; 10 | 11 | public AustraliaPostShippingProvider( 12 | string clientId, 13 | string secret, 14 | ShippingCostCalculator shippingCostCalculator, 15 | CustomsHandlingOptions customsHandlingOptions, 16 | InsuranceOptions insuranceOptions) 17 | { 18 | this.clientId = clientId; 19 | this.secret = secret; 20 | 21 | ShippingCostCalculator = shippingCostCalculator; 22 | CustomsHandlingOptions = customsHandlingOptions; 23 | InsuranceOptions = insuranceOptions; 24 | } 25 | 26 | public override string GenerateShippingLabelFor(Order order) 27 | { 28 | var shippingId = GetShippingId(); 29 | 30 | if (order.Recipient.Country != order.Sender.Country) 31 | { 32 | throw new NotSupportedException("International shipping not supported"); 33 | } 34 | 35 | var shippingCost = ShippingCostCalculator.CalculateFor(order.Recipient.Country, 36 | order.Sender.Country, 37 | order.TotalWeight); 38 | 39 | return $"Shipping Id: {shippingId} {Environment.NewLine}" + 40 | $"To: {order.Recipient.To} {Environment.NewLine}" + 41 | $"Order total: {order.Total} {Environment.NewLine}" + 42 | $"Tax: {CustomsHandlingOptions.TaxOptions} {Environment.NewLine}" + 43 | $"Shipping Cost: {shippingCost}"; 44 | } 45 | 46 | private string GetShippingId() 47 | { 48 | // Invoke API with API Key 49 | 50 | return $"AUS-{Guid.NewGuid()}"; 51 | } 52 | } 53 | } 54 | -------------------------------------------------------------------------------- /Program.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business; 2 | using Abstract_Factory_Pattern.Business.Models.Commerce; 3 | using System; 4 | 5 | namespace Abstract_Factory_Pattern 6 | { 7 | class Program 8 | { 9 | static void Main(string[] args) 10 | { 11 | #region Create Order 12 | Console.Write("Recipient Country: "); 13 | var recipientCountry = Console.ReadLine().Trim(); 14 | 15 | Console.Write("Sender Country: "); 16 | var senderCountry = Console.ReadLine().Trim(); 17 | 18 | Console.Write("Total Order Weight: "); 19 | var totalWeight = Convert.ToInt32(Console.ReadLine().Trim()); 20 | 21 | var order = new Order 22 | { 23 | Recipient = new Address 24 | { 25 | To = "Filip Ekberg", 26 | Country = recipientCountry 27 | }, 28 | 29 | Sender = new Address 30 | { 31 | To = "Someone else", 32 | Country = senderCountry 33 | }, 34 | 35 | TotalWeight = totalWeight 36 | }; 37 | 38 | order.LineItems.Add(new Item("CSHARP_SMORGASBORD", "C# Smorgasbord", 100m), 1); 39 | order.LineItems.Add(new Item("CONSULTING", "Building a website", 100m), 1); 40 | #endregion 41 | 42 | IPurchaseProviderFactory purchaseProviderFactory; 43 | 44 | if(order.Sender.Country == "Sweden") 45 | { 46 | purchaseProviderFactory = new SwedenPurchaseProviderFactory(); 47 | } 48 | else if (order.Sender.Country == "Australia") 49 | { 50 | purchaseProviderFactory = new AustraliaPurchaseProviderFactory(); 51 | } 52 | else 53 | { 54 | throw new NotSupportedException("Sender country has no purchase provider"); 55 | } 56 | 57 | var cart = new ShoppingCart(order, purchaseProviderFactory); 58 | 59 | var shippingLabel = cart.Finalize(); 60 | 61 | Console.WriteLine(shippingLabel); 62 | } 63 | } 64 | } 65 | -------------------------------------------------------------------------------- /.gitattributes: -------------------------------------------------------------------------------- 1 | ############################################################################### 2 | # Set default behavior to automatically normalize line endings. 3 | ############################################################################### 4 | * text=auto 5 | 6 | ############################################################################### 7 | # Set default behavior for command prompt diff. 8 | # 9 | # This is need for earlier builds of msysgit that does not have it on by 10 | # default for csharp files. 11 | # Note: This is only used by command line 12 | ############################################################################### 13 | #*.cs diff=csharp 14 | 15 | ############################################################################### 16 | # Set the merge driver for project and solution files 17 | # 18 | # Merging from the command prompt will add diff markers to the files if there 19 | # are conflicts (Merging from VS is not affected by the settings below, in VS 20 | # the diff markers are never inserted). Diff markers may cause the following 21 | # file extensions to fail to load in VS. An alternative would be to treat 22 | # these files as binary and thus will always conflict and require user 23 | # intervention with every merge. To do so, just uncomment the entries below 24 | ############################################################################### 25 | #*.sln merge=binary 26 | #*.csproj merge=binary 27 | #*.vbproj merge=binary 28 | #*.vcxproj merge=binary 29 | #*.vcproj merge=binary 30 | #*.dbproj merge=binary 31 | #*.fsproj merge=binary 32 | #*.lsproj merge=binary 33 | #*.wixproj merge=binary 34 | #*.modelproj merge=binary 35 | #*.sqlproj merge=binary 36 | #*.wwaproj merge=binary 37 | 38 | ############################################################################### 39 | # behavior for image files 40 | # 41 | # image files are treated as binary by default. 42 | ############################################################################### 43 | #*.jpg binary 44 | #*.png binary 45 | #*.gif binary 46 | 47 | ############################################################################### 48 | # diff behavior for common document formats 49 | # 50 | # Convert binary document formats to text before diffing them. This feature 51 | # is only available from the command line. Turn it on by uncommenting the 52 | # entries below. 53 | ############################################################################### 54 | #*.doc diff=astextplain 55 | #*.DOC diff=astextplain 56 | #*.docx diff=astextplain 57 | #*.DOCX diff=astextplain 58 | #*.dot diff=astextplain 59 | #*.DOT diff=astextplain 60 | #*.pdf diff=astextplain 61 | #*.PDF diff=astextplain 62 | #*.rtf diff=astextplain 63 | #*.RTF diff=astextplain 64 | -------------------------------------------------------------------------------- /Business/Models/Shipping/ShippingProvider.cs: -------------------------------------------------------------------------------- 1 | using Abstract_Factory_Pattern.Business.Models.Commerce; 2 | 3 | namespace Abstract_Factory_Pattern.Business.Models.Shipping 4 | { 5 | public abstract class ShippingProvider 6 | { 7 | public ShippingCostCalculator ShippingCostCalculator { get; protected set; } 8 | public CustomsHandlingOptions CustomsHandlingOptions { get; protected set; } 9 | public InsuranceOptions InsuranceOptions { get; protected set; } 10 | 11 | public bool RequireSignature { get; set; } 12 | 13 | public abstract string GenerateShippingLabelFor(Order order); 14 | } 15 | 16 | public class InsuranceOptions 17 | { 18 | public bool ProviderHasInsurance { get; set; } 19 | public bool ProviderHasExtendedInsurance { get; set; } 20 | public bool ProviderRequiresReturnOnDamange { get; set; } 21 | } 22 | 23 | public class CustomsHandlingOptions 24 | { 25 | public TaxOptions TaxOptions { get; set; } 26 | } 27 | 28 | public class ShippingCostCalculator 29 | { 30 | private readonly decimal internationalShippingFee; 31 | private readonly decimal extraWeightFee; 32 | 33 | public ShippingType ShippingType { get; set; } 34 | 35 | public ShippingCostCalculator(decimal internationalShippingFee, 36 | decimal extraWeightFee, 37 | ShippingType shippingType = ShippingType.Standard) 38 | { 39 | this.internationalShippingFee = internationalShippingFee; 40 | this.extraWeightFee = extraWeightFee; 41 | 42 | ShippingType = shippingType; 43 | } 44 | 45 | public decimal CalculateFor(string destinationCountry, 46 | string originCountry, 47 | decimal weight) 48 | { 49 | decimal total = 10m; // Default shipping cost $10 50 | 51 | // International shipping 52 | if (destinationCountry != originCountry) 53 | { 54 | total += internationalShippingFee; 55 | } 56 | 57 | // Over 5kg 58 | if (weight > 5) 59 | { 60 | total += extraWeightFee; 61 | } 62 | 63 | switch (ShippingType) 64 | { 65 | case ShippingType.Express: total += 20; break; 66 | case ShippingType.NextDay: total += 50; break; 67 | } 68 | 69 | return total; 70 | } 71 | } 72 | 73 | public enum TaxOptions 74 | { 75 | PrePaid, 76 | DutyFree, 77 | PayOnArrival 78 | } 79 | 80 | public enum ShippingType 81 | { 82 | Standard, 83 | Express, 84 | NextDay 85 | } 86 | 87 | public enum ShippingStatus 88 | { 89 | WaitingForPayment, 90 | ReadyForShippment, 91 | Shipped 92 | } 93 | } 94 | -------------------------------------------------------------------------------- /Business/Models/Shipping/Factories/StandardShippingProviderFactory.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace Abstract_Factory_Pattern.Business.Models.Shipping.Factories 4 | { 5 | public class StandardShippingProviderFactory : ShippingProviderFactory 6 | { 7 | public override ShippingProvider CreateShippingProvider(string country) 8 | { 9 | ShippingProvider shippingProvider; 10 | 11 | #region Create Shipping Provider 12 | 13 | if (country == "Australia") 14 | { 15 | #region Australia Post Shipping Provider 16 | var shippingCostCalculator = new ShippingCostCalculator( 17 | internationalShippingFee: 250, 18 | extraWeightFee: 500 19 | ) 20 | { 21 | ShippingType = ShippingType.Standard 22 | }; 23 | 24 | var customsHandlingOptions = new CustomsHandlingOptions 25 | { 26 | TaxOptions = TaxOptions.PrePaid 27 | }; 28 | 29 | var insuranceOptions = new InsuranceOptions 30 | { 31 | ProviderHasInsurance = false, 32 | ProviderHasExtendedInsurance = false, 33 | ProviderRequiresReturnOnDamange = false 34 | }; 35 | 36 | shippingProvider = new AustraliaPostShippingProvider("CLIENT_ID", 37 | "SECRET", 38 | shippingCostCalculator, 39 | customsHandlingOptions, 40 | insuranceOptions); 41 | #endregion 42 | } 43 | else if (country == "Sweden") 44 | { 45 | #region Swedish Postal Service Shipping Provider 46 | var shippingCostCalculator = new ShippingCostCalculator( 47 | internationalShippingFee: 50, 48 | extraWeightFee: 100 49 | ) 50 | { 51 | ShippingType = ShippingType.Express 52 | }; 53 | 54 | var customsHandlingOptions = new CustomsHandlingOptions 55 | { 56 | TaxOptions = TaxOptions.PayOnArrival 57 | }; 58 | 59 | var insuranceOptions = new InsuranceOptions 60 | { 61 | ProviderHasInsurance = true, 62 | ProviderHasExtendedInsurance = false, 63 | ProviderRequiresReturnOnDamange = false 64 | }; 65 | 66 | shippingProvider = new SwedishPostalServiceShippingProvider("API_KEY", 67 | shippingCostCalculator, 68 | customsHandlingOptions, 69 | insuranceOptions); 70 | #endregion 71 | } 72 | else 73 | { 74 | throw new NotSupportedException("No shipping provider found for origin country"); 75 | } 76 | #endregion 77 | 78 | return shippingProvider; 79 | } 80 | } 81 | } 82 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Ww][Ii][Nn]32/ 27 | [Aa][Rr][Mm]/ 28 | [Aa][Rr][Mm]64/ 29 | bld/ 30 | [Bb]in/ 31 | [Oo]bj/ 32 | [Oo]ut/ 33 | [Ll]og/ 34 | [Ll]ogs/ 35 | 36 | # Visual Studio 2015/2017 cache/options directory 37 | .vs/ 38 | # Uncomment if you have tasks that create the project's static files in wwwroot 39 | #wwwroot/ 40 | 41 | # Visual Studio 2017 auto generated files 42 | Generated\ Files/ 43 | 44 | # MSTest test Results 45 | [Tt]est[Rr]esult*/ 46 | [Bb]uild[Ll]og.* 47 | 48 | # NUnit 49 | *.VisualState.xml 50 | TestResult.xml 51 | nunit-*.xml 52 | 53 | # Build Results of an ATL Project 54 | [Dd]ebugPS/ 55 | [Rr]eleasePS/ 56 | dlldata.c 57 | 58 | # Benchmark Results 59 | BenchmarkDotNet.Artifacts/ 60 | 61 | # .NET Core 62 | project.lock.json 63 | project.fragment.lock.json 64 | artifacts/ 65 | 66 | # ASP.NET Scaffolding 67 | ScaffoldingReadMe.txt 68 | 69 | # StyleCop 70 | StyleCopReport.xml 71 | 72 | # Files built by Visual Studio 73 | *_i.c 74 | *_p.c 75 | *_h.h 76 | *.ilk 77 | *.meta 78 | *.obj 79 | *.iobj 80 | *.pch 81 | *.pdb 82 | *.ipdb 83 | *.pgc 84 | *.pgd 85 | *.rsp 86 | *.sbr 87 | *.tlb 88 | *.tli 89 | *.tlh 90 | *.tmp 91 | *.tmp_proj 92 | *_wpftmp.csproj 93 | *.log 94 | *.vspscc 95 | *.vssscc 96 | .builds 97 | *.pidb 98 | *.svclog 99 | *.scc 100 | 101 | # Chutzpah Test files 102 | _Chutzpah* 103 | 104 | # Visual C++ cache files 105 | ipch/ 106 | *.aps 107 | *.ncb 108 | *.opendb 109 | *.opensdf 110 | *.sdf 111 | *.cachefile 112 | *.VC.db 113 | *.VC.VC.opendb 114 | 115 | # Visual Studio profiler 116 | *.psess 117 | *.vsp 118 | *.vspx 119 | *.sap 120 | 121 | # Visual Studio Trace Files 122 | *.e2e 123 | 124 | # TFS 2012 Local Workspace 125 | $tf/ 126 | 127 | # Guidance Automation Toolkit 128 | *.gpState 129 | 130 | # ReSharper is a .NET coding add-in 131 | _ReSharper*/ 132 | *.[Rr]e[Ss]harper 133 | *.DotSettings.user 134 | 135 | # TeamCity is a build add-in 136 | _TeamCity* 137 | 138 | # DotCover is a Code Coverage Tool 139 | *.dotCover 140 | 141 | # AxoCover is a Code Coverage Tool 142 | .axoCover/* 143 | !.axoCover/settings.json 144 | 145 | # Coverlet is a free, cross platform Code Coverage Tool 146 | coverage*.json 147 | coverage*.xml 148 | coverage*.info 149 | 150 | # Visual Studio code coverage results 151 | *.coverage 152 | *.coveragexml 153 | 154 | # NCrunch 155 | _NCrunch_* 156 | .*crunch*.local.xml 157 | nCrunchTemp_* 158 | 159 | # MightyMoose 160 | *.mm.* 161 | AutoTest.Net/ 162 | 163 | # Web workbench (sass) 164 | .sass-cache/ 165 | 166 | # Installshield output folder 167 | [Ee]xpress/ 168 | 169 | # DocProject is a documentation generator add-in 170 | DocProject/buildhelp/ 171 | DocProject/Help/*.HxT 172 | DocProject/Help/*.HxC 173 | DocProject/Help/*.hhc 174 | DocProject/Help/*.hhk 175 | DocProject/Help/*.hhp 176 | DocProject/Help/Html2 177 | DocProject/Help/html 178 | 179 | # Click-Once directory 180 | publish/ 181 | 182 | # Publish Web Output 183 | *.[Pp]ublish.xml 184 | *.azurePubxml 185 | # Note: Comment the next line if you want to checkin your web deploy settings, 186 | # but database connection strings (with potential passwords) will be unencrypted 187 | *.pubxml 188 | *.publishproj 189 | 190 | # Microsoft Azure Web App publish settings. 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