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

257 lines
13 KiB
C#

using Elwig.Models.Entities;
using Microsoft.Data.Sqlite;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading.Tasks;
namespace Elwig.Helpers.Billing {
public class Billing {
protected readonly int Year;
protected readonly Season Season;
protected readonly Dictionary<string, string> Attributes;
protected readonly Dictionary<string, (decimal?, decimal?)> Modifiers;
protected readonly Dictionary<string, (string, string?, string?, int?, decimal?)> AreaComTypes;
public Billing(int year) {
Year = year;
using var ctx = new AppDbContext();
Season = ctx.Seasons.Find(Year)!;
Attributes = ctx.WineAttributes.ToDictionary(a => a.AttrId, a => a.Name);
Modifiers = ctx.Modifiers.Where(m => m.Year == Year).Include(m => m.Season).ToDictionary(m => m.ModId, m => (m.Abs, m.Rel));
AreaComTypes = ctx.AreaCommitmentTypes.ToDictionary(v => v.VtrgId, v => (v.SortId, v.AttrId, v.Discriminator, v.MinKgPerHa, v.PenaltyAmount));
}
public async Task FinishSeason() {
using var cnx = await AppDbContext.ConnectAsync();
await AppDbContext.ExecuteBatch(cnx, $"""
UPDATE season
SET (start_date, end_date) = (SELECT MIN(date), MAX(date) FROM delivery WHERE year = {Year})
WHERE year = {Year};
""");
}
public async Task AutoAdjustBusinessShares(DateOnly date, int allowanceKg = 0, double allowanceBs = 0, int allowanceKgPerBs = 0, double allowanceRel = 0, int addMinBs = 1) {
if (addMinBs < 1) addMinBs = 1;
using var cnx = await AppDbContext.ConnectAsync();
await AppDbContext.ExecuteBatch(cnx, $"""
UPDATE member
SET business_shares = member.business_shares - h.business_shares
FROM member_history h
WHERE h.date = '{Year}-11-30' AND h.type = 'auto' AND h.mgnr = member.mgnr AND member.active;
INSERT INTO member_history (mgnr, date, type, business_shares)
SELECT u.mgnr,
'{date:yyyy-MM-dd}',
'auto',
CEIL((u.diff - {allowanceKg}.0 - {allowanceKgPerBs}.0 * u.business_shares) / s.max_kg_per_bs
- {allowanceBs.ToString(CultureInfo.InvariantCulture)}
- {allowanceRel.ToString(CultureInfo.InvariantCulture)} * u.business_shares) AS bs
FROM v_total_under_delivery u
JOIN season s ON s.year = u.year
JOIN member m ON m.mgnr = u.mgnr
WHERE s.year = {Year} AND bs >= {addMinBs} AND m.active
ON CONFLICT DO UPDATE
SET business_shares = excluded.business_shares;
UPDATE member
SET business_shares = member.business_shares + h.business_shares
FROM member_history h
WHERE h.date = '{Year}-11-30' AND h.type = 'auto' AND h.mgnr = member.mgnr;
""");
}
public async Task UnAdjustBusinessShares() {
using var cnx = await AppDbContext.ConnectAsync();
await AppDbContext.ExecuteBatch(cnx, $"""
UPDATE member
SET business_shares = member.business_shares - h.business_shares
FROM member_history h
WHERE h.date = '{Year}-11-30' AND h.type = 'auto' AND h.mgnr = member.mgnr AND member.active;
DELETE FROM member_history WHERE date = '{Year}-11-30' AND type = 'auto';
""");
}
public async Task CalculateBuckets(
bool? honorGebundenField = null,
bool? allowAttributesIntoLower = null,
bool? avoidUnderDeliveries = null,
SqliteConnection? cnx = null
) {
using var ctx = new AppDbContext();
var honorGebunden = honorGebundenField ?? Season.Billing_HonorGebunden;
var allowAttrsIntoLower = allowAttributesIntoLower ?? Season.Billing_AllowAttrsIntoLower;
var avoidUnderDlvrs = avoidUnderDeliveries ?? Season.Billing_AvoidUnderDeliveries;
var attrVals = ctx.WineAttributes.ToDictionary(a => a.AttrId, a => (a.IsStrict, a.FillLower));
var attrForced = attrVals.Where(a => a.Value.IsStrict && a.Value.FillLower == 0).Select(a => a.Key).ToArray();
var ownCnx = cnx == null;
cnx ??= await AppDbContext.ConnectAsync();
await ctx.GetMemberAreaCommitmentBuckets(Year, 0, cnx);
var inserts = new List<(int, int, int, string, int)>();
var deliveries = new List<(int, int, int, string, int, double, string, string?, string[], bool?)>();
using (var cmd = cnx.CreateCommand()) {
cmd.CommandText = $"""
SELECT mgnr, did, dpnr, sortid, weight, kmw, qualid, attrid, modifiers, gebunden
FROM v_delivery
WHERE year = {Year}
ORDER BY mgnr, sortid, abgewertet ASC, {(honorGebunden ? "gebunden IS NOT NULL DESC, gebunden DESC," : "")}
attribute_prio DESC, COALESCE(attrid, '~'), kmw DESC, lsnr, dpnr
""";
using var reader = await cmd.ExecuteReaderAsync();
while (await reader.ReadAsync()) {
deliveries.Add((
reader.GetInt32(0), reader.GetInt32(1), reader.GetInt32(2), reader.GetString(3), reader.GetInt32(4),
reader.GetDouble(5), reader.GetString(6),
reader.IsDBNull(7) ? null : reader.GetString(7),
reader.IsDBNull(8) ? [] : reader.GetString(8).Split(",").Order().ToArray(),
reader.IsDBNull(9) ? null : reader.GetBoolean(9)
));
}
}
int lastMgNr = 0;
Dictionary<string, AreaComBucket>? rightsAndObligations = null;
Dictionary<string, int> used = [];
foreach (var (mgnr, did, dpnr, sortid, weight, kmw, qualid, attrid, modifiers, gebunden) in deliveries) {
if (lastMgNr != mgnr) {
rightsAndObligations = await ctx.GetMemberAreaCommitmentBuckets(Year, mgnr);
used = [];
}
if ((honorGebunden && gebunden == false) ||
rightsAndObligations == null || rightsAndObligations.Count == 0 ||
qualid == "WEI" || qualid == "RSW" || qualid == "LDW")
{
// Explizit als ungebunden markiert,
// Mitglied hat keine Flächenbindungen, oder
// Nicht mindestens Qualitätswein (QUW)
// -> ungebunden
inserts.Add((did, dpnr, 0, "_", weight));
continue;
}
int w = weight;
var attributes = attrid == null ? [] : new string[] { attrid };
var isStrict = attrid != null && attrVals[attrid].IsStrict;
foreach (var p in Utils.Permutate(attributes, attributes.Intersect(attrForced))) {
var c = p.Count();
var key = sortid + string.Join("", p);
if (rightsAndObligations.TryGetValue(key, out AreaComBucket value)) {
int i = (c == 0) ? 1 : 2;
var u = used.GetValueOrDefault(key, 0);
var vr = Math.Max(0, Math.Min(value.Right - u, w));
var vo = Math.Max(0, Math.Min(value.Obligation - u, w));
var v = (attributes.Length == c || attributes.Select(a => !attrVals[a].IsStrict ? 2 : attrVals[a].FillLower).Min() == 2) ? vr : vo;
used[key] = u + v;
if (key.Length > 2 && !isStrict) used[key[..2]] = used.GetValueOrDefault(key[..2], 0) + v;
inserts.Add((did, dpnr, i, key[2..], v));
w -= v;
}
if (w == 0 || (!allowAttrsIntoLower && isStrict)) break;
}
inserts.Add((did, dpnr, 0, "_", w));
lastMgNr = mgnr;
}
await AppDbContext.ExecuteBatch(cnx, $"UPDATE delivery_part_bucket SET value = 0 WHERE year = {Year}");
if (inserts.Count > 0) {
await AppDbContext.ExecuteBatch(cnx, $"""
INSERT INTO delivery_part_bucket (year, did, dpnr, bktnr, discr, value)
VALUES {string.Join(",\n ", inserts.Select(i => $"({Year}, {i.Item1}, {i.Item2}, {i.Item3}, '{i.Item4}', {i.Item5})"))}
ON CONFLICT DO UPDATE
SET discr = excluded.discr, value = value + excluded.value;
""");
}
if (!avoidUnderDlvrs) {
if (ownCnx) await cnx.DisposeAsync();
return;
}
// FIXME avoidUnderDelivery-calculations not always right!
var underDeliveries = new Dictionary<(int, string), int>();
using (var cmd = cnx.CreateCommand()) {
cmd.CommandText = $"""
SELECT c.mgnr, c.bucket, COALESCE(p.weight, 0) - c.min_kg AS diff
FROM v_area_commitment_bucket c
LEFT JOIN v_payment_bucket p ON (p.year, p.mgnr, p.bucket) = (c.year, c.mgnr, c.bucket)
WHERE c.year = {Year} AND LENGTH(c.bucket) = 2 AND diff < 0
""";
using var reader = await cmd.ExecuteReaderAsync();
while (await reader.ReadAsync()) {
underDeliveries[(reader.GetInt32(0), reader.GetString(1))] = reader.GetInt32(2);
}
}
var fittingBuckets = new Dictionary<(int, string), int>();
using (var cmd = cnx.CreateCommand()) {
cmd.CommandText = $"""
SELECT c.mgnr, c.bucket, COALESCE(p.weight, 0) - c.min_kg AS diff
FROM v_area_commitment_bucket c
LEFT JOIN v_payment_bucket p ON (p.year, p.mgnr, p.bucket) = (c.year, c.mgnr, c.bucket)
WHERE c.year = {Year} AND LENGTH(c.bucket) = 3 AND diff > 0
""";
using var reader = await cmd.ExecuteReaderAsync();
while (await reader.ReadAsync()) {
fittingBuckets[(reader.GetInt32(0), reader.GetString(1))] = reader.GetInt32(2);
}
}
foreach (var item in fittingBuckets) {
var mgnr = item.Key.Item1;
var id = item.Key.Item2[..2];
var attr = item.Key.Item2[2..];
var available = item.Value;
var needed = -underDeliveries.GetValueOrDefault((mgnr, id), 0);
if (needed <= 0) continue;
var fittingDeliveries = new List<(int, int, int, int)>();
using (var cmd = cnx.CreateCommand()) {
cmd.CommandText = $"""
SELECT d.did, d.dpnr, d.weight, b.value
FROM v_delivery d
JOIN delivery_part_bucket b ON (b.year, b.did, b.dpnr) = (d.year, d.did, d.dpnr) AND b.discr = '{attr}'
WHERE d.year = {Year} AND mgnr = {mgnr} AND sortid = '{id}' AND attrid = '{attr}'
ORDER BY kmw ASC, lsnr DESC, d.dpnr DESC
""";
using var reader = await cmd.ExecuteReaderAsync();
while (await reader.ReadAsync()) {
fittingDeliveries.Add((
reader.GetInt32(0), reader.GetInt32(1), reader.GetInt32(2), reader.GetInt32(3)
));
}
}
var negChanges = new List<(int, int, int, int)>();
var posChanges = new List<(int, int, int, int)>();
foreach (var (did, dpnr, _, w) in fittingDeliveries) {
int v = Math.Min(needed, w);
needed -= v;
posChanges.Add((did, dpnr, 1, v));
negChanges.Add((did, dpnr, 2, w - v));
if (needed == 0) break;
}
await AppDbContext.ExecuteBatch(cnx, $"""
INSERT INTO delivery_part_bucket (year, did, dpnr, bktnr, discr, value)
VALUES {string.Join(",\n ", posChanges.Select(i => $"({Year}, {i.Item1}, {i.Item2}, {i.Item3}, '', {i.Item4})"))}
ON CONFLICT DO UPDATE
SET value = value + excluded.value;
INSERT INTO delivery_part_bucket (year, did, dpnr, bktnr, discr, value)
VALUES {string.Join(",\n ", negChanges.Select(i => $"({Year}, {i.Item1}, {i.Item2}, {i.Item3}, '', {i.Item4})"))}
ON CONFLICT DO UPDATE
SET value = excluded.value;
""");
if (ownCnx) await cnx.DisposeAsync();
}
}
}
}