builder pattern

DesignPatternGuru/Builder/Builder.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

DesignPatternGuru/Builder/Builders/ConcreteBuilder.cs

@@ -0,0 +1,47 @@
+using Builder.Products;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Builder.Builder
+{
+	internal class ConcreteBuilder : IBuilder
+	{
+		private Product _product = new Product();
+
+		public ConcreteBuilder()
+		{
+			Reset();
+		}
+
+		public void Reset()
+		{
+			_product = new Product();
+		}
+
+		public void BuildPartA()
+		{
+			_product.Add("PartA1");
+		}
+
+		public void BuildPartB()
+		{
+			_product.Add("PartB1");
+		}
+
+		public void BuildPartC()
+		{
+			_product.Add("PartC1");
+		}
+
+		public Product GetProduct()
+		{
+			Product product = _product;
+			Reset();
+
+			return product;
+		}
+	}
+}

DesignPatternGuru/Builder/Builders/Director.cs

@@ -0,0 +1,31 @@
+using Builder.Builder;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Builder.Builders
+{
+	internal class Director
+	{
+		private IBuilder _builder;
+
+		public IBuilder Builder
+		{
+			set { _builder = value; }
+		}
+
+		public void BuildMinimalVariableProduct()
+		{
+			_builder.BuildPartA();
+		}
+
+		public void BuildMaximumVariableProduct()
+		{
+			_builder.BuildPartA();
+			_builder.BuildPartB();
+			_builder.BuildPartC();
+		}
+	}
+}

DesignPatternGuru/Builder/Builders/IBuilder.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Builder.Builder
+{
+	internal interface IBuilder
+	{
+		void BuildPartA();
+		void BuildPartB();
+		void BuildPartC();
+	}
+}

DesignPatternGuru/Builder/Products/Product.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Builder.Products
+{
+	internal class Product
+	{
+		private List<object> _parts = new List<object>();
+
+		public void Add(string part)
+		{
+			_parts.Add(part);
+		}
+
+		public string ListParts()
+		{
+			StringBuilder sb = new StringBuilder();
+			for (int i = 0; i < _parts.Count; i++)
+			{
+				sb.Append($"{_parts[i]}");
+				if (i < _parts.Count - 1)
+					sb.Append(", ");
+			}
+
+			return $"Product parts: {sb.ToString() + Environment.NewLine}";
+		}
+	}
+}

DesignPatternGuru/Builder/Program.cs

@@ -0,0 +1,28 @@
+using Builder.Builder;
+using Builder.Builders;
+
+namespace Builder
+{
+	internal class Program
+	{
+		static void Main(string[] args)
+		{
+			Director director = new Director();
+			ConcreteBuilder builder = new ConcreteBuilder();
+			director.Builder = builder;
+
+			Console.WriteLine("Standard basic prodcut: ");
+			director.BuildMinimalVariableProduct();
+			Console.WriteLine(builder.GetProduct().ListParts());
+
+			Console.WriteLine("Standard full featured product: ");
+			director.BuildMaximumVariableProduct();
+			Console.WriteLine(builder.GetProduct().ListParts());
+
+			Console.WriteLine("Custom product: ");
+			builder.BuildPartA();
+			builder.BuildPartC();
+			Console.WriteLine(builder.GetProduct().ListParts());
+		}
+	}
+}

DesignPatternGuru/DesignPatternGuru.sln

@@ -3,9 +3,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32929.385
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FactoryMethod", "FactoryMethod\FactoryMethod.csproj", "{4F58C486-7121-435B-B7B2-F3ADD0FBE2AE}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FactoryMethod", "FactoryMethod\FactoryMethod.csproj", "{4F58C486-7121-435B-B7B2-F3ADD0FBE2AE}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AbstractFactory", "AbstractFactory\AbstractFactory.csproj", "{8310590F-E10F-4845-8737-AF3CEF4583B1}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AbstractFactory", "AbstractFactory\AbstractFactory.csproj", "{8310590F-E10F-4845-8737-AF3CEF4583B1}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Builder", "Builder\Builder.csproj", "{FD2896D5-8199-4036-8D45-1CC0D3B4B79F}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -21,6 +23,10 @@ Global
 		{8310590F-E10F-4845-8737-AF3CEF4583B1}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8310590F-E10F-4845-8737-AF3CEF4583B1}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8310590F-E10F-4845-8737-AF3CEF4583B1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FD2896D5-8199-4036-8D45-1CC0D3B4B79F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FD2896D5-8199-4036-8D45-1CC0D3B4B79F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FD2896D5-8199-4036-8D45-1CC0D3B4B79F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FD2896D5-8199-4036-8D45-1CC0D3B4B79F}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE