Files
elwig/Elwig/Helpers/Billing/BillingVariant.cs

42 lines
1.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Elwig.Helpers.Billing {
public class BillingVariant : Billing {
private readonly int AvNr;
public BillingVariant(int year, int avnr) : base(year) {
AvNr = avnr;
}
protected async Task DeleteInDb() {
using var cnx = await AppDbContext.ConnectAsync();
using (var cmd = cnx.CreateCommand()) {
cmd.CommandText = $"DELETE FROM payment_delivery_part WHERE (year, avnr) = ({Year}, {AvNr})";
await cmd.ExecuteNonQueryAsync();
}
using (var cmd = cnx.CreateCommand()) {
cmd.CommandText = $"DELETE FROM payment_member WHERE (year, avnr) = ({Year}, {AvNr})";
await cmd.ExecuteNonQueryAsync();
}
}
public async Task CalculatePrices() {
await DeleteInDb();
var tasks = new List<Task>();
foreach (var mgnr in Context.Members.Select(m => m.MgNr)) {
tasks.Add(Task.Run(() => CalculateMemberPrices(mgnr)));
}
await Task.WhenAll(tasks);
}
protected async Task CalculateMemberPrices(int mgnr) {
}
}
}