Merge pull request #2 from mikedegeofroy/lab-3

Lab 3

Itmo.ObjectOrientedProgramming.sln

@@ -29,6 +29,7 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab4.Tests", "tests\Lab4.Te
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab5.Tests", "tests\Lab5.Tests\Lab5.Tests.csproj", "{FA627A62-AD7A-4A72-B15C-EC8AEFD206DB}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab3.Console", "src\Lab3.Console\Lab3.Console.csproj", "{9654EFB5-5367-4DAD-8F18-58E113384AA0}"
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Lab5", "Lab5", "{99CB5FCA-AC39-4AD0-B4FF-A8C051CC2809}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Presentation", "Presentation", "{08E62A91-F7B4-4FE8-A1F8-BFD64F7E3A9E}"
@@ -72,6 +73,7 @@ Global
 		{7E5E46DB-EF55-47E6-822A-6AE20BF2FCD9} = {792FFE57-F1A0-47A4-9E2A-80F75FF2F8DB}
 		{17689E4A-FE4F-4893-8E28-3BA911DEC8D8} = {792FFE57-F1A0-47A4-9E2A-80F75FF2F8DB}
 		{FA627A62-AD7A-4A72-B15C-EC8AEFD206DB} = {792FFE57-F1A0-47A4-9E2A-80F75FF2F8DB}
+		{9654EFB5-5367-4DAD-8F18-58E113384AA0} = {8ED774F4-D429-4B82-B768-50DCA8EFF609}
 		{99CB5FCA-AC39-4AD0-B4FF-A8C051CC2809} = {8ED774F4-D429-4B82-B768-50DCA8EFF609}
 		{08E62A91-F7B4-4FE8-A1F8-BFD64F7E3A9E} = {99CB5FCA-AC39-4AD0-B4FF-A8C051CC2809}
 		{D6F0AF28-4B74-4CEF-BAE0-631C60979762} = {99CB5FCA-AC39-4AD0-B4FF-A8C051CC2809}
@@ -122,6 +124,10 @@ Global
 		{FA627A62-AD7A-4A72-B15C-EC8AEFD206DB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{FA627A62-AD7A-4A72-B15C-EC8AEFD206DB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{FA627A62-AD7A-4A72-B15C-EC8AEFD206DB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9654EFB5-5367-4DAD-8F18-58E113384AA0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9654EFB5-5367-4DAD-8F18-58E113384AA0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9654EFB5-5367-4DAD-8F18-58E113384AA0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9654EFB5-5367-4DAD-8F18-58E113384AA0}.Release|Any CPU.Build.0 = Release|Any CPU
 		{9BAA271C-E0CC-42C8-83E7-FC398D53874F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{9BAA271C-E0CC-42C8-83E7-FC398D53874F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9BAA271C-E0CC-42C8-83E7-FC398D53874F}.Release|Any CPU.ActiveCfg = Release|Any CPU

src/Lab2.Console/Lab2.Console.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>

src/Lab2.Console/Program.cs

@@ -0,0 +1 @@
+

src/Lab3.Console/Lab3.Console.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Lab3\Lab3.csproj" />
+    </ItemGroup>
+
+</Project>

src/Lab3.Console/Program.cs

@@ -0,0 +1,22 @@
+using System.Drawing;
+using Itmo.ObjectOrientedProgramming.Lab3.Decorators;
+using Itmo.ObjectOrientedProgramming.Lab3.Display;
+using Itmo.ObjectOrientedProgramming.Lab3.Filter;
+using Itmo.ObjectOrientedProgramming.Lab3.Logger;
+using Itmo.ObjectOrientedProgramming.Lab3.Message;
+using Itmo.ObjectOrientedProgramming.Lab3.User;
+
+var message = new Message("Good morning!", "This is a body.", 2);
+var user = new User();
+var logger = new Logger();
+var filter = new PriorityFilter(3);
+
+var proxy2 = new MessageLogger(user, logger);
+var proxy1 = new MessageFilter(proxy2, filter);
+
+proxy1.HandleMessage(message);
+
+var display = new DisplayToFile();
+
+display.SetColor(Color.Red);
+display.Out("Hello!");

src/Lab3/Decorators/MessageFilter.cs

@@ -0,0 +1,21 @@
+using Itmo.ObjectOrientedProgramming.Lab3.Filter;
+using Itmo.ObjectOrientedProgramming.Lab3.Message;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Decorators;
+
+public class MessageFilter : IRecipient
+{
+    private readonly IRecipient _recipient;
+    private readonly IFilter _filter;
+
+    public MessageFilter(IRecipient recipient, IFilter filter)
+    {
+        _recipient = recipient;
+        _filter = filter;
+    }
+
+    public void HandleMessage(IMessage message)
+    {
+        if (_filter.Filter(message)) _recipient.HandleMessage(message);
+    }
+}

src/Lab3/Decorators/MessageLogger.cs

@@ -0,0 +1,27 @@
+using Itmo.ObjectOrientedProgramming.Lab3.Logger;
+using Itmo.ObjectOrientedProgramming.Lab3.Message;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Decorators;
+
+public class MessageLogger : IRecipient
+{
+    private readonly IRecipient _recipient;
+    private readonly ILogger _logger;
+
+    public MessageLogger(IRecipient recipient, ILogger logger)
+    {
+        _recipient = recipient;
+        _logger = logger;
+    }
+
+    public void HandleMessage(IMessage message)
+    {
+        Log(message);
+        _recipient.HandleMessage(message);
+    }
+
+    private void Log(IRenderable message)
+    {
+        _logger.Log(message.Render());
+    }
+}

src/Lab3/Display/Display.cs

@@ -0,0 +1,21 @@
+using System.Drawing;
+using Itmo.ObjectOrientedProgramming.Lab3.Message;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Display;
+
+// TODO
+// should have a display that takes in a string.
+public class Display : IRecipient
+{
+    private readonly DisplayDriver _displayStrategy;
+
+    public Display(IDisplayStrategy displayStrategy)
+    {
+        _displayStrategy = new DisplayDriver(displayStrategy);
+    }
+
+    public void HandleMessage(IMessage message)
+    {
+        _displayStrategy.OutputText(message.Render(), Color.Red);
+    }
+}

src/Lab3/Display/DisplayDriver.cs

@@ -0,0 +1,20 @@
+using System.Drawing;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Display;
+
+public class DisplayDriver
+{
+    private readonly IDisplayStrategy _strategy;
+
+    public DisplayDriver(IDisplayStrategy strategy)
+    {
+        _strategy = strategy;
+    }
+
+    public void OutputText(string text, Color color)
+    {
+        _strategy.Clear();
+        _strategy.SetColor(color);
+        _strategy.Out(text);
+    }
+}

src/Lab3/Display/DisplayToConsole.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Drawing;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Display;
+
+public class DisplayToConsole : IDisplayStrategy
+{
+    private Color _color;
+
+    public DisplayToConsole()
+    {
+        _color = Color.White;
+    }
+
+    public void Clear()
+    {
+        Console.Clear();
+    }
+
+    public void SetColor(Color color)
+    {
+        _color = color;
+    }
+
+    public void Out(string text)
+    {
+        Console.WriteLine(Crayon.Output.Rgb(_color.R, _color.G, _color.B).Text(text));
+    }
+}

src/Lab3/Display/DisplayToFile.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Drawing;
+using System.IO;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Display;
+
+public class DisplayToFile : IDisplayStrategy
+{
+    private Color _color;
+
+    public DisplayToFile()
+    {
+        _color = Color.White;
+    }
+
+    public void Clear()
+    {
+        Console.Clear();
+    }
+
+    public void SetColor(Color color)
+    {
+        _color = color;
+    }
+
+    public void Out(string text)
+    {
+        const string path = "test.txt";
+
+        if (File.Exists(path)) return;
+
+        using StreamWriter sw = File.CreateText(path);
+        sw.WriteLine(Crayon.Output.Rgb(_color.R, _color.G, _color.B).Text(text));
+    }
+}

src/Lab3/Display/IDisplayStrategy.cs

@@ -0,0 +1,10 @@
+using System.Drawing;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Display;
+
+public interface IDisplayStrategy
+{
+    void Clear();
+    void SetColor(Color color);
+    void Out(string text);
+}

src/Lab3/Filter/IFilter.cs

@@ -0,0 +1,8 @@
+using Itmo.ObjectOrientedProgramming.Lab3.Message;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Filter;
+
+public interface IFilter
+{
+    bool Filter(IMessage message);
+}

src/Lab3/Filter/PriorityFilter.cs

@@ -0,0 +1,23 @@
+using Itmo.ObjectOrientedProgramming.Lab3.Message;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Filter;
+
+public class PriorityFilter : IFilter
+{
+    private int _priorityFilter;
+
+    public PriorityFilter(int priorityLevel = 0)
+    {
+        _priorityFilter = priorityLevel;
+    }
+
+    public void SetFilter(int priorityLevel)
+    {
+        _priorityFilter = priorityLevel;
+    }
+
+    public bool Filter(IMessage message)
+    {
+        return message.Priority >= _priorityFilter;
+    }
+}

src/Lab3/Group/GroupRecipient.cs

@@ -0,0 +1,22 @@
+using System.Collections.Generic;
+using Itmo.ObjectOrientedProgramming.Lab3.Message;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Group;
+
+public class GroupRecipient : IRecipient
+{
+    private readonly IEnumerable<IRecipient> _recipients;
+
+    public GroupRecipient(IEnumerable<IRecipient> recipients)
+    {
+        _recipients = recipients;
+    }
+
+    public void HandleMessage(IMessage message)
+    {
+        foreach (IRecipient recipient in _recipients)
+        {
+            recipient.HandleMessage(message);
+        }
+    }
+}

src/Lab3/IRecipient.cs

@@ -0,0 +1,8 @@
+using Itmo.ObjectOrientedProgramming.Lab3.Message;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3;
+
+public interface IRecipient
+{
+    void HandleMessage(IMessage message);
+}

src/Lab3/IRenderable.cs

@@ -0,0 +1,6 @@
+namespace Itmo.ObjectOrientedProgramming.Lab3;
+
+public interface IRenderable
+{
+    string Render();
+}

src/Lab3/Lab3.csproj

@@ -4,4 +4,8 @@
         <RootNamespace>Itmo.ObjectOrientedProgramming.Lab3</RootNamespace>
     </PropertyGroup>
 
+    <ItemGroup>
+      <PackageReference Include="Crayon" />
+    </ItemGroup>
+
 </Project>

src/Lab3/Logger/ILogger.cs

@@ -0,0 +1,6 @@
+namespace Itmo.ObjectOrientedProgramming.Lab3.Logger;
+
+public interface ILogger
+{
+    void Log(string message);
+}

src/Lab3/Logger/Logger.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace Itmo.ObjectOrientedProgramming.Lab3.Logger;
+
+public class Logger : ILogger
+{
+    public void Log(string message)
+    {
+        Console.WriteLine(message);
+    }
+}

src/Lab3/Message/IMessage.cs

@@ -0,0 +1,6 @@
+namespace Itmo.ObjectOrientedProgramming.Lab3.Message;
+
+public interface IMessage : IRenderable
+{
+    int Priority { get; }
+}

src/Lab3/Message/Message.cs

@@ -0,0 +1,21 @@
+namespace Itmo.ObjectOrientedProgramming.Lab3.Message;
+
+public class Message : IMessage
+{
+    private readonly string _header;
+    private readonly string _body;
+
+    public Message(string header, string body, int priority)
+    {
+        _header = header;
+        _body = body;
+        Priority = priority;
+    }
+
+    public int Priority { get; }
+
+    public string Render()
+    {
+        return _header + '\n' + _body;
+    }
+}