106 lines
4.9 KiB
C#
106 lines
4.9 KiB
C#
using Elwig.Models.Entities;
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using Microsoft.EntityFrameworkCore;
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using System;
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using System.Collections.Generic;
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using System.Data.Entity.Core.Common.CommandTrees.ExpressionBuilder;
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using System.Linq;
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using System.Threading.Tasks;
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namespace Elwig.Models.Dtos {
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public class WineQualityStatisticsData {
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public record struct QualityRow(string? Variety, string? Attribute, string? Cultivation, string? Type, string QualId, double Grad, int Num, int Weight);
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public record struct QualitySection(string Name, string? Type, Dictionary<string, (double Grad, int Num, int Weight)[]> Data);
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public bool UseOe = true;
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public QualitySection[] Sections;
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public WineQualityStatisticsData(QualitySection[] sections) {
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Sections = sections;
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}
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private static QualitySection[] GetQualitySections(IEnumerable<QualityRow> rows) {
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var data = new List<QualitySection>();
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var currentQual = new Dictionary<double, (int Num, int Weight)>();
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var current = new Dictionary<string, (double, int, int)[]>();
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string? lastSection = null;
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string? lastType = null;
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string? lastQual = null;
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foreach (var row in rows) {
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var sec = $"{row.Variety ?? (row.Type == "R" ? "Rotweinsorten" : row.Type == "W" ? "Weißweinsorten" : "Gesamt")}" +
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$"{(row.Attribute != null ? " / " : "")}{row.Attribute}" +
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$"{(row.Cultivation != null ? " / " : "")}{row.Cultivation}";
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if (lastQual != null && lastQual != row.QualId) {
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current[lastQual] = currentQual.Select(kv => (kv.Key, kv.Value.Num, kv.Value.Weight)).ToArray();
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currentQual.Clear();
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}
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if (lastSection != null && lastSection != sec) {
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if (!current.ContainsKey(lastQual!)) {
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current[lastQual!] = currentQual.Select(kv => (kv.Key, kv.Value.Num, kv.Value.Weight)).ToArray();
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currentQual.Clear();
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}
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data.Add(new(lastSection, lastType, current));
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current = [];
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currentQual.Clear();
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}
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currentQual[row.Grad] = (row.Num, row.Weight);
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lastSection = sec;
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lastType = row.Type;
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lastQual = row.QualId;
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}
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if (lastQual != null) {
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current[lastQual] = currentQual.Select(kv => (kv.Key, kv.Value.Num, kv.Value.Weight)).ToArray();
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currentQual.Clear();
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}
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if (lastSection != null) {
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data.Add(new(lastSection, lastType, current));
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current = [];
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currentQual.Clear();
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}
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return [.. data];
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}
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public static async Task<WineQualityStatisticsData> FromQuery(IQueryable<DeliveryPart> query, bool useOe = true) {
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var rows = (await query
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.GroupBy(p => new {
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p.Variety.Type,
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Variety = p.Variety.Name,
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Attribute = p.Attribute!.Name,
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Cultivation = p.Cultivation!.Name,
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p.QualId,
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Oe = useOe ? Math.Round(p.Kmw * (4.54 + 0.022 * p.Kmw), 0) : Math.Round(p.Kmw, 1),
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}, (k, g) => new { Key = k, Num = g.Count(), Weight = g.Sum(p => p.Weight) })
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.OrderBy(g => g.Key.Variety)
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.ThenBy(g => g.Key.Attribute)
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.ThenBy(g => g.Key.Cultivation)
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.ThenBy(g => g.Key.QualId)
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.ThenBy(g => g.Key.Oe)
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.ToListAsync())
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.Select(r => new QualityRow(r.Key.Variety, r.Key.Attribute, r.Key.Cultivation, r.Key.Type, r.Key.QualId, r.Key.Oe, r.Num, r.Weight))
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.ToList();
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var data = GetQualitySections(rows);
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if (data.Length <= 1)
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return new(data);
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var typeRows = rows
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.GroupBy(s => new { s.Type, s.QualId, s.Grad }, (k, g) => new QualityRow(null, null, null, k.Type, k.QualId, k.Grad, g.Sum(g => g.Num), g.Sum(p => p.Weight)))
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.OrderBy(g => g.Type)
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.ThenBy(g => g.QualId)
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.ThenBy(g => g.Grad)
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.ToList();
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var typeData = GetQualitySections(typeRows);
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if (typeData.Length <= 1)
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return new([.. typeData, .. data]);
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var totalRows = rows
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.GroupBy(s => new { s.QualId, s.Grad }, (k, g) => new QualityRow(null, null, null, null, k.QualId, k.Grad, g.Sum(p => p.Num), g.Sum(p => p.Weight)))
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.OrderBy(g => g.QualId)
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.ThenBy(g => g.Grad)
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.ToList();
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var totalData = GetQualitySections(totalRows);
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return new([.. totalData, .. typeData, .. data]) { UseOe = useOe };
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}
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}
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}
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