217 lines
11 KiB
C#
217 lines
11 KiB
C#
using Microsoft.Data.Sqlite;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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namespace Elwig.Helpers.Billing {
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public class Billing {
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protected readonly int Year;
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protected readonly AppDbContext Context;
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protected readonly Dictionary<string, string> Attributes;
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protected readonly Dictionary<string, (decimal?, decimal?)> Modifiers;
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protected readonly Dictionary<string, (string, string?, string?, int?, int?, decimal?)> AreaComTypes;
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public Billing(int year) {
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Year = year;
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Context = new AppDbContext();
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Attributes = Context.WineAttributes.ToDictionary(a => a.AttrId, a => a.Name);
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Modifiers = Context.Modifiers.Where(m => m.Year == Year).ToDictionary(m => m.ModId, m => (m.Abs, m.Rel));
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AreaComTypes = Context.AreaCommitmentTypes.ToDictionary(v => v.VtrgId, v => (v.SortId, v.AttrId, v.Discriminator, v.MinKgPerHa, v.MaxKgPerHa, v.PenaltyAmount));
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}
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public async Task FinishSeason() {
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using var cnx = await AppDbContext.ConnectAsync();
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using (var cmd = cnx.CreateCommand()) {
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cmd.CommandText = $"""
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UPDATE season
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SET (start_date, end_date) = (SELECT MIN(date), MAX(date) FROM delivery WHERE year = {Year})
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WHERE year = {Year}
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""";
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await cmd.ExecuteNonQueryAsync();
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}
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using (var cmd = cnx.CreateCommand()) {
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cmd.CommandText = $"DELETE FROM delivery_part_bin WHERE year = {Year}";
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await cmd.ExecuteNonQueryAsync();
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}
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}
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public async Task CalculateBins(bool allowAttrsIntoLowerBins, bool avoidUnderDeliveries, bool honorGebunden) {
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var attrVals = Context.WineAttributes.ToDictionary(a => a.AttrId, a => a.FillLowerBins);
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var attrForced = attrVals.Where(a => a.Value == 0).Select(a => a.Key).ToArray();
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using var cnx = await AppDbContext.ConnectAsync();
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await Context.GetMemberRightsAndObligations(Year, 0, cnx);
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var inserts = new List<(int, int, int, string, int)>();
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var deliveries = new List<(int, int, int, string, int, double, string, string[], string[], bool?)>();
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using (var cmd = cnx.CreateCommand()) {
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cmd.CommandText = $"""
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SELECT mgnr, did, dpnr, sortid, weight, kmw, qualid, attributes, modifiers, gebunden
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FROM v_delivery
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WHERE year = {Year}
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ORDER BY mgnr, sortid, abgewertet ASC, {(honorGebunden ? "gebunden IS NOT NULL DESC, gebunden DESC," : "")}
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COALESCE(LENGTH(attributes), 0) ASC, attribute_prio DESC, COALESCE(attributes, '~'),
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kmw DESC, lsnr, dpnr
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""";
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using var reader = await cmd.ExecuteReaderAsync();
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while (await reader.ReadAsync()) {
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deliveries.Add((
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reader.GetInt32(0), reader.GetInt32(1), reader.GetInt32(2), reader.GetString(3), reader.GetInt32(4),
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reader.GetDouble(5), reader.GetString(6),
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reader.IsDBNull(7) ? Array.Empty<string>() : reader.GetString(7).Split(",").Order().ToArray(),
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reader.IsDBNull(8) ? Array.Empty<string>() : reader.GetString(8).Split(",").Order().ToArray(),
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reader.IsDBNull(9) ? null : reader.GetBoolean(9)
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));
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}
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}
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int lastMgNr = 0;
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Dictionary<string, (int, int)>? rightsAndObligations = null;
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Dictionary<string, int> used = new();
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foreach (var (mgnr, did, dpnr, sortid, weight, kmw, qualid, attributes, modifiers, gebunden) in deliveries) {
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if (lastMgNr != mgnr) {
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rightsAndObligations = await Context.GetMemberRightsAndObligations(Year, mgnr);
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used = new();
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}
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if ((honorGebunden && gebunden == false) ||
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rightsAndObligations == null || rightsAndObligations.Count == 0 ||
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qualid == "WEI" || qualid == "RSW" || qualid == "LDW")
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{
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// Explizit als ungebunden markiert,
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// Mitglied hat keine Flächenbindungen, oder
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// Nicht mindestens Qualitätswein (QUW)
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// -> ungebunden
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inserts.Add((did, dpnr, 0, "_", weight));
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continue;
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}
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if (attributes.Length > 2)
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throw new NotSupportedException();
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int w = weight;
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foreach (var p in Utils.Permutate(attributes, attributes.Intersect(attrForced))) {
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var c = p.Count();
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var key = sortid + string.Join("", p);
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if (rightsAndObligations.ContainsKey(key)) {
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int i = 4;
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if (c == 1) {
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i = (p.ElementAt(0) == attributes[0]) ? 2 : 3;
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} else if (c == 0) {
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i = 1;
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}
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var u = used.GetValueOrDefault(key, 0);
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var vr = Math.Max(0, Math.Min(rightsAndObligations[key].Item1 - u, w));
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var vo = Math.Max(0, Math.Min(rightsAndObligations[key].Item2 - u, w));
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var v = (attributes.Length == 0 || attributes.Select(a => attrVals[a]).Min() == 2) ? vr : vo;
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used[key] = u + v;
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inserts.Add((did, dpnr, i, key[2..], v));
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w -= v;
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}
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if (w == 0 || !allowAttrsIntoLowerBins) break;
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}
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inserts.Add((did, dpnr, 0, "_", w));
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lastMgNr = mgnr;
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}
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using (var cmd = cnx.CreateCommand()) {
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cmd.CommandText = $"""
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INSERT INTO delivery_part_bin (year, did, dpnr, binnr, discr, value)
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VALUES {string.Join(",\n ", inserts.Select(i => $"({Year}, {i.Item1}, {i.Item2}, {i.Item3}, '{i.Item4}', {i.Item5})"))}
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ON CONFLICT DO UPDATE
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SET discr = excluded.discr, value = value + excluded.value
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""";
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await cmd.ExecuteNonQueryAsync();
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}
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if (!avoidUnderDeliveries)
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return;
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var underDeliveries = new Dictionary<(int, string), int>();
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using (var cmd = cnx.CreateCommand()) {
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cmd.CommandText = $"""
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SELECT c.mgnr, c.bin, COALESCE(p.weight, 0) - c.min_kg AS diff
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FROM v_area_commitment_bin c
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LEFT JOIN v_payment_bin p ON (p.year, p.mgnr, p.bin) = (c.year, c.mgnr, c.bin)
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WHERE c.year = {Year} AND LENGTH(c.bin) = 2 AND diff < 0
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""";
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using var reader = await cmd.ExecuteReaderAsync();
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while (await reader.ReadAsync()) {
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underDeliveries[(reader.GetInt32(0), reader.GetString(1))] = reader.GetInt32(2);
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}
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}
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var fittingBins = new Dictionary<(int, string), int>();
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using (var cmd = cnx.CreateCommand()) {
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cmd.CommandText = $"""
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SELECT c.mgnr, c.bin, COALESCE(p.weight, 0) - c.min_kg AS diff
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FROM v_area_commitment_bin c
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LEFT JOIN v_payment_bin p ON (p.year, p.mgnr, p.bin) = (c.year, c.mgnr, c.bin)
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WHERE c.year = {Year} AND LENGTH(c.bin) = 3 AND diff > 0
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""";
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using var reader = await cmd.ExecuteReaderAsync();
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while (await reader.ReadAsync()) {
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fittingBins[(reader.GetInt32(0), reader.GetString(1))] = reader.GetInt32(2);
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}
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}
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foreach (var item in fittingBins) {
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var mgnr = item.Key.Item1;
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var id = item.Key.Item2[..2];
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var attr = item.Key.Item2[2..];
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var available = item.Value;
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var needed = -underDeliveries.GetValueOrDefault((mgnr, id), 0);
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if (needed <= 0) continue;
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var fittingDeliveries = new List<(int, int, int, int)>();
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using (var cmd = cnx.CreateCommand()) {
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cmd.CommandText = $"""
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SELECT d.did, d.dpnr, d.weight, b.value
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FROM v_delivery d
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JOIN delivery_part_bin b ON (b.year, b.did, b.dpnr) = (d.year, d.did, d.dpnr) AND b.discr = '{attr}'
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WHERE d.year = {Year} AND mgnr = {mgnr} AND sortid = '{id}' AND attributes = '{attr}'
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ORDER BY kmw ASC, lsnr DESC, d.dpnr DESC
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""";
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using var reader = await cmd.ExecuteReaderAsync();
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while (await reader.ReadAsync()) {
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fittingDeliveries.Add((
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reader.GetInt32(0), reader.GetInt32(1), reader.GetInt32(2), reader.GetInt32(3)
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));
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}
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}
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var negChanges = new List<(int, int, int, int)>();
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var posChanges = new List<(int, int, int, int)>();
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foreach (var (did, dpnr, _, w) in fittingDeliveries) {
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int v = Math.Min(needed, w);
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needed -= v;
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posChanges.Add((did, dpnr, 1, v));
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negChanges.Add((did, dpnr, 2, w - v));
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if (needed == 0) break;
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}
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using (var cmd = cnx.CreateCommand()) {
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cmd.CommandText = $"""
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INSERT INTO delivery_part_bin (year, did, dpnr, binnr, discr, value)
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VALUES {string.Join(",\n ", posChanges.Select(i => $"({Year}, {i.Item1}, {i.Item2}, {i.Item3}, '', {i.Item4})"))}
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ON CONFLICT DO UPDATE
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SET value = value + excluded.value
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""";
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await cmd.ExecuteNonQueryAsync();
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}
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using (var cmd = cnx.CreateCommand()) {
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cmd.CommandText = $"""
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INSERT INTO delivery_part_bin (year, did, dpnr, binnr, discr, value)
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VALUES {string.Join(",\n ", negChanges.Select(i => $"({Year}, {i.Item1}, {i.Item2}, {i.Item3}, '', {i.Item4})"))}
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ON CONFLICT DO UPDATE
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SET value = excluded.value
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""";
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await cmd.ExecuteNonQueryAsync();
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}
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}
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}
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}
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}
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