Introducing Semantic Kernel

$ dotnet new console --framework net7.0 --name SemanticKernelExample
$ cd SemanticKernelExample

$ dotnet add package Microsoft.SemanticKernel --version 0.21.230828.2-preview
$ dotnet add package Microsoft.Extensions.Configuration.UserSecrets

$ dotnet user-secrets init
$ dotnet user-secrets set "OpenAI:APIKey" "<your-api-key>" #replace <your-api-key> with your Open API Key

var kernel = KernelBuilder.Create();

var loggerFactory = NullLoggerFactory.Instance;
var kernel = new KernelBuilder()
    .WithLoggerFactory(loggerFactory)
    .Build();

Summarize this in 3 sentences or less
{{$input}}
+++++

{
  "schema": 1,
  "type": "completion",
  "completion": {
    "max_tokens": 500
  },
  "input": {
    "parameters": [
      {
        "name": "input",
        "description": "The text to summarize",
        "defaultValue": ""
      }
    ]
  }
}

using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging.Abstractions;
using Microsoft.SemanticKernel;

var configuration = new ConfigurationBuilder()
    .SetBasePath(Directory.GetCurrentDirectory())
    .AddUserSecrets<Program>()
    .Build();

var apiKey = configuration.GetSection("OpenAI:APIKey").Value; // Gets the OpenAI API Key from the app secrets

var logger = NullLogger.Instance;
var kernel = new KernelBuilder().WithLogger(logger).WithOpenAITextCompletionService("text-davinci-003", apiKey!)
    .Build(); // Creates a new kernel with the OpenAI Text Completion Service using the text-davinci-003 model

// You can see the list of models here: https://platform.openai.com/docs/models

var pluginsDirectory = Path.Combine(Directory.GetCurrentDirectory(), "Plugins");
var writerPlugin = kernel.ImportSemanticSkillFromDirectory(pluginsDirectory, "WriterPlugin"); // loads the WriterPlugin plugin

var textToSummarize =
    @"The Mars Perseverance Rover, a part of NASA's Mars Exploration Program successfully landed on Mars on February 18, 2021. 
Its mission is to explore the Martian surface, collect samples, and study the planet's geology and climate. 
The rover is equipped with advanced instruments and cameras that allow scientists to analyze the terrain and search for signs of past microbial life. 
This mission represents a significant step towards our understanding of Mars and its potential to support life in the past or present.";

var result = await writerPlugin["SummarizeText"].InvokeAsync(textToSummarize); // calls the SummarizeText function
Console.WriteLine(result);

The Mars Perseverance Rover successfully landed on Mars on February 18, 2021, as part of NASA's Mars Exploration Program. 
Its mission is to explore the Martian surface, collect samples, and study the planet's geology and climate. 
It is equipped with advanced instruments and cameras to analyze the terrain and search for signs of past microbial life.

// ...kernel configuration

var pluginsDirectory = Path.Combine(Directory.GetCurrentDirectory(), "Plugins");
var writerPlugin = kernel.ImportSemanticSkillFromDirectory(pluginsDirectory, "WriterPlugin");

var textToSummarize =
    @"The Mars Perseverance Rover, a part of NASA's Mars Exploration Program successfully landed on Mars on February 18, 2021. 
Its mission is to explore the Martian surface, collect samples, and study the planet's geology and climate. 
The rover is equipped with advanced instruments and cameras that allow scientists to analyze the terrain and search for signs of past microbial life. 
This mission represents a significant step towards our understanding of Mars and its potential to support life in the past or present.";

var summary = await writerPlugin["SummarizeText"].InvokeAsync(textToSummarize);
Console.WriteLine($"Summarized text:\n{summary}");

var poem = await writerPlugin["WritePoem"].InvokeAsync("Being a Software Developer");
Console.WriteLine($"Generated poem:\n{poem}");

var shortStory = await writerPlugin["GenerateStory"].InvokeAsync("The Lion and the Lamb");
Console.WriteLine($"Generated story:\n{shortStory}");

var translationContext = kernel.CreateNewContext();
translationContext.Variables["input"] = textToSummarize;
translationContext.Variables["target"] = "French";

var translatedText = await writerPlugin["Translate"].InvokeAsync(translationContext);
Console.WriteLine($"Translated text:\n{translatedText}");

*****Summarized text:*****

The Mars Perseverance Rover successfully landed on Mars on February 18, 2021, as part of NASA's Mars Exploration Program. Its mission is to explore the Martian surface, collect samples, and study the planet's geology and climate. It
is equipped with advanced instruments and cameras to analyze the terrain and search for signs of past microbial life.


*****Generated poem:*****

My coding skills are ever-growing,
My knowledge ever-expanding,
My work is never slowing,
My code is ever-commanding.

My projects are ever-thriving,
My skills are ever-thriving.

*****Generated story:*****

Once upon a time, there was a lion and a lamb who lived in the same forest. The lion was the king of the forest and the lamb was his loyal companion.

One day, the lion and the lamb went on a journey together. They encountered many obstacles along the way, but they worked together to overcome them.

Eventually, they reached their destination and the lion thanked the lamb for his help. From then on, the lion and the lamb were the best of friends and they lived happily ever after.


*****Translated text:*****

Le Rover Mars Perseverance, faisant partie du Programme d'Exploration de Mars de la NASA, s'est posé avec succès sur Mars le 18 février 2021.
Sa mission est d'explorer la surface martienne, de collecter des échantillons et d'étudier la géologie et le climat de la planète.
Le rover est équipé d'instruments et de caméras avancés qui permettent aux scientifiques d'analyser le terrain et de rechercher des signes de vie microbienne passée.
Cette mission représente une étape significative vers notre compréhension de Mars et de son potentiel pour soutenir la vie dans le passé ou le présent.

// ... Kernel config
var planner = new SequentialPlanner(kernel);
var ask = "Can you write a poem about being a software developer and translate it to German?";
var plan = await planner.CreatePlanAsync(ask);
var result = await plan.InvokeAsync();
Console.WriteLine(result);

Johns Leidenschaft für Programmierung war wie eine Flamme,

Seine Fähigkeiten und sein Wissen wuchsen stetig.

Er arbeitete hart, um die Welt zu einem besseren Ort zu machen,

Seine Arbeit war eine Quelle des Stolzes und der Anmut.

Er hörte nie auf zu lernen, immer bestrebt, zu wachsen,

Sein Einfluss auf die Welt wird er nie erfahren.