sa/Stars Assistant/Program.cs

using System;
using Avalonia;

using Microsoft.EntityFrameworkCore;
using CsvHelper.Configuration;
using CsvHelper;
using StarsAssistant.Model;
using System.Globalization;


namespace StarsAssistant;

sealed class Program
{
    // Initialization code. Don't use any Avalonia, third-party APIs or any
    // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
    // yet and stuff might break.
    [STAThread]
    public static void Main(string[] args) 
    {
        // __createTestData();
        
        BuildAvaloniaApp()
        .StartWithClassicDesktopLifetime(args);
    }

    // Avalonia configuration, don't remove; also used by visual designer.
    public static AppBuilder BuildAvaloniaApp()
        => AppBuilder.Configure<App>()
            .UsePlatformDetect()
            .WithInterFont()
            .LogToTrace();


    public static void __createTestData ()
    {
        using var db = new StarsDatabase("stars.sqlite");

        db.Database.EnsureDeleted();
        db.Database.EnsureCreated();

        // Note: This sample requires the database to be created before running.
        Console.WriteLine($"Database path: {db.DbPath}.");

        var config = CsvConfiguration.FromAttributes<Planet>(CultureInfo.InvariantCulture);
        config.Delimiter = "\t";
        config.Escape = '\0';
        config.MissingFieldFound = null;

        using (var reader = new StreamReader("/home/torben/goingth/GOINGTH.p1", System.Text.Encoding.Latin1))
        using (var csv = new CsvReader(reader, config))
        {
            List<CSV.Planet> records = csv.GetRecords<CSV.Planet>().ToList();
            foreach (CSV.Planet csvp in records)
            {
                Planet p = new Planet{ Name = csvp.Name };
                csvp.UpdateDbPlanet(p);
                db.Add(p);
            }
            db.SaveChanges();
        }

    }
}


/*
using Microsoft.EntityFrameworkCore;
using CsvHelper.Configuration;
using CsvHelper;
using StarsAssistant.model;


using var db = new StarsDatabase("stars.sqlite");

db.Database.EnsureDeleted();
db.Database.EnsureCreated();

// Note: This sample requires the database to be created before running.
Console.WriteLine($"Database path: {db.DbPath}.");

var config = CsvConfiguration.FromAttributes<Planet>(CultureInfo.InvariantCulture);
config.Delimiter = "\t";
config.Escape = '\0';
config.MissingFieldFound = null;

using (var reader = new StreamReader("/home/torben/goingth/GOINGTH.p1", Encoding.Latin1))
using (var csv = new CsvReader(reader, config))
{
    List<Planet> records = csv.GetRecords<Planet>().ToList();
    foreach (Planet p in records)
    {
        db.Add(p);
    }
    db.SaveChanges();
}
*/

/*
// Create
Console.WriteLine("Inserting a new blog");
db.Add(new Blog { Url = "http://blogs.msdn.com/adonet" });
db.SaveChanges();

// Read
Console.WriteLine("Querying for a blog");
var blog = db.Blogs
    .OrderBy(b => b.BlogId)
    .First();

// Update
Console.WriteLine("Updating the blog and adding a post");
blog.Url = "https://devblogs.microsoft.com/dotnet";
blog.Posts.Add(
    new Post { Title = "Hello World", Content = "I wrote an app using EF Core!" });
db.SaveChanges();

// Delete
// Console.WriteLine("Delete the blog");
// db.Remove(blog);
// db.SaveChanges();
*/