public void RestoreDatabaseFromJson(string fileName, string connectionString)
{
var restaurants = LoadFromFile(fileName);
using (var db = new RestaurantsContext((new DbContextOptionsBuilder().UseSqlServer(connectionString)).Options)) {
db.Database.EnsureDeleted();
db.Database.EnsureCreated();
restaurants.ForEach(r => {
db.Add(r);
});
db.SaveChanges();
}
}