* Added Redis state storage implementation

Telegrator.slnx

@@ -1,5 +1,6 @@
 <Solution>
   <Project Path="dev/Telegrator.RoslynGenerators/Telegrator.RoslynGenerators.csproj" />
+  <Project Path="src/Telegartor.RedisStateStorage/Telegartor.RedisStateStorage.csproj" />
   <Project Path="src/Telegrator.Analyzers/Telegrator.Analyzers.csproj" />
   <Project Path="src/Telegrator.Hosting.Web/Telegrator.Hosting.Web.csproj" />
   <Project Path="src/Telegrator.Hosting/Telegrator.Hosting.csproj" />

src/Telegartor.RedisStateStorage/States/RedisStateStorage.cs

@@ -0,0 +1,35 @@
+using StackExchange.Redis;
+using System.Text.Json;
+using Telegrator.Core.States;
+
+namespace Telegrator.States;
+
+public class RedisStateStorage(IConnectionMultiplexer redis) : IStateStorage
+{
+    private readonly IDatabase _db = redis.GetDatabase();
+
+    /// <inheritdoc/>
+    public async Task SetAsync<T>(string key, T state, CancellationToken cancellationToken)
+    {
+        string json = JsonSerializer.Serialize(state);
+        await _db.StringSetAsync(key, json);
+    }
+
+    /// <inheritdoc/>
+    public async Task<T?> GetAsync<T>(string key, CancellationToken cancellationToken) where T : default
+    {
+        RedisValue json = await _db.StringGetAsync(key);
+        string? jsonStr = json;
+
+        if (jsonStr is null)
+            return default;
+
+        return JsonSerializer.Deserialize<T?>(json: jsonStr);
+    }
+
+    /// <inheritdoc/>
+    public async Task DeleteAsync(string key, CancellationToken cancellationToken = default)
+    {
+        throw new NotImplementedException();
+    }
+}

src/Telegartor.RedisStateStorage/Telegartor.RedisStateStorage.csproj

@@ -0,0 +1,43 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+	<LangVersion>latest</LangVersion>
+	<RootNamespace>Telegrator</RootNamespace>
+	<BaseOutputPath>..\..\bin</BaseOutputPath>
+	<DocumentationFile>..\..\docs\$(AssemblyName).xml</DocumentationFile>
+	  
+    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
+    <GenerateDocumentationFile>True</GenerateDocumentationFile>
+    <EnableNETAnalyzers>True</EnableNETAnalyzers>
+    <EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>
+	  
+    <Title>Telegrator.RedisStateStorage</Title>
+    <Version>1.16.4</Version>
+	<Authors>Rikitav Tim4ik</Authors>
+    <Company>Rikitav Tim4ik</Company>
+    <RepositoryUrl>https://github.com/Rikitav/Telegrator</RepositoryUrl>
+    <PackageTags>telegram;bot;mediator;attributes;aspect;hosting;host;framework;easy;simple;handlers</PackageTags>
+	  
+    <PackageIcon>telegrator_nuget.png</PackageIcon>
+    <PackageReadmeFile>README.md</PackageReadmeFile>
+    <PackageLicenseFile>LICENSE</PackageLicenseFile>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Telegrator\Telegrator.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="StackExchange.Redis" Version="2.11.8 " />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Include=".\README.md" Pack="True" PackagePath="\" />
+    <None Include="..\..\LICENSE" Pack="True" PackagePath="\" />
+    <None Include="..\..\resources\telegrator_nuget.png" Pack="True" PackagePath="\" />
+  </ItemGroup>
+  
+</Project>

src/Telegrator/Telegrator.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>netstandard2.1</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 	<LangVersion>latest</LangVersion>