sa/Stars Assistant/Program.cs

using System;
using System.Globalization;
using System.Linq;
using Microsoft.EntityFrameworkCore;
using CsvHelper.Configuration;
using CsvHelper;

using net.nehmer.sa.model;
using System.Text;

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();
*/