From 4fd3dff5ec10bb540ecb4a45027967052c95b93a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=96zlem?= <77455910+ozlematayy@users.noreply.github.com>
Date: Thu, 21 Dec 2023 23:44:49 +0300
Subject: [PATCH] Factory Method design pattern code

---
 DesignPatterns/DesignPatterns.sln             |  6 ++
 .../FactoryMethod/FactoryMethod.csproj        | 10 +++
 DesignPatterns/FactoryMethod/Program.cs       | 75 +++++++++++++++++++
 3 files changed, 91 insertions(+)
 create mode 100644 DesignPatterns/FactoryMethod/FactoryMethod.csproj
 create mode 100644 DesignPatterns/FactoryMethod/Program.cs

diff --git a/DesignPatterns/DesignPatterns.sln b/DesignPatterns/DesignPatterns.sln
index 39bb7e5..1938395 100644
--- a/DesignPatterns/DesignPatterns.sln
+++ b/DesignPatterns/DesignPatterns.sln
@@ -5,6 +5,8 @@ VisualStudioVersion = 17.6.33829.357
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AbstractFactory", "AbstractFactory\AbstractFactory.csproj", "{7D587025-5DCC-40B0-A93E-7A6E63F4C131}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FactoryMethod", "FactoryMethod\FactoryMethod.csproj", "{B0D97A44-B546-49B6-A3A8-705D7B6A33D0}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{7D587025-5DCC-40B0-A93E-7A6E63F4C131}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7D587025-5DCC-40B0-A93E-7A6E63F4C131}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7D587025-5DCC-40B0-A93E-7A6E63F4C131}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B0D97A44-B546-49B6-A3A8-705D7B6A33D0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B0D97A44-B546-49B6-A3A8-705D7B6A33D0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B0D97A44-B546-49B6-A3A8-705D7B6A33D0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B0D97A44-B546-49B6-A3A8-705D7B6A33D0}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/DesignPatterns/FactoryMethod/FactoryMethod.csproj b/DesignPatterns/FactoryMethod/FactoryMethod.csproj
new file mode 100644
index 0000000..74abf5c
--- /dev/null
+++ b/DesignPatterns/FactoryMethod/FactoryMethod.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>
diff --git a/DesignPatterns/FactoryMethod/Program.cs b/DesignPatterns/FactoryMethod/Program.cs
new file mode 100644
index 0000000..743e1b9
--- /dev/null
+++ b/DesignPatterns/FactoryMethod/Program.cs
@@ -0,0 +1,75 @@
+#region Product
+public interface ILogger
+{
+    void Log(string message);
+}
+
+#endregion
+#region Concrete Product
+public class ConsoleLogger : ILogger
+{
+    public void Log(string message)
+    {
+        Console.WriteLine($"Console Logger: {message}");
+    }
+}
+
+public class DatabaseLogger : ILogger
+{
+    public void Log(string message)
+    {
+        Console.WriteLine($"Database Logger: {message}");
+    }
+}
+#endregion
+#region Concrete Creator
+public class LoggerFactory
+{
+    public ILogger GetLogger(string loggerType)
+    {
+        if (loggerType.Equals("Console"))
+        {
+            return new ConsoleLogger();
+        }
+        else if (loggerType.Equals("Database"))
+        {
+            return new DatabaseLogger();
+        }
+        else
+        {
+            throw new ArgumentException("Invalid logger type!");
+        }
+    }
+}
+#endregion
+#region Client
+public class LoggingClient
+{
+    private readonly LoggerFactory loggerFactory;
+
+    public LoggingClient(LoggerFactory factory)
+    {
+        loggerFactory = factory;
+    }
+
+    public void LogMessage(string message, string loggerType)
+    {
+        ILogger logger = loggerFactory.GetLogger(loggerType);
+        logger.Log(message);
+    }
+}
+#endregion
+#region Running the code.
+class Program
+{
+    static void Main(string[] args)
+    {
+        LoggerFactory loggerFactory = new LoggerFactory();
+        LoggingClient loggingClient = new LoggingClient(loggerFactory);
+
+        loggingClient.LogMessage("This message will be logged in a console.", "Console");
+        loggingClient.LogMessage("This message will be logged in a database.", "Database");
+        //loggingClient.LogMessage("This message will be logged in a database.", "Email");
+    }
+}
+#endregion