public static void EnsureMigrationsApplied(this SalesDbContext context)
{
var applied = context.GetService <IHistoryRepository>()
.GetAppliedMigrations()
.Select(migration => migration.MigrationId);
var total = context.GetService <IMigrationsAssembly>()
.Migrations
.Select(migration => migration.Key);
if (total.Except(applied).Any())
{
context.Database.Migrate();
}
}