DeliveryAdminWindow: Add WineLocalityStatistics

2025-01-02 16:50:32 +01:00
parent 5e53d864b1
commit c24b1ca2b9
6 changed files with 158 additions and 56 deletions
--- a/Elwig/Models/Dtos/WineLocalityStatisticsData.cs
+++ b/Elwig/Models/Dtos/WineLocalityStatisticsData.cs
@ -0,0 +1,60 @@
+using Elwig.Helpers;
+using Elwig.Models.Entities;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using static Elwig.Models.Dtos.WineLocalityStatisticsData;
+
+namespace Elwig.Models.Dtos {
+    class WineLocalityStatisticsData : DataTable<StatisticsRow> {
+
+        private static readonly (string, string, string?, int?)[] FieldNames = [
+            ("Branch", "Zwst.", null, 30),
+            ("KgNr", "KgNr.", null, 15),
+            ("Name", "Katastralgemeinde", null, 50),
+            ("Members", "Mitgl.", "#", 15),
+            ("Deliveries", "Lfrg.", "#", 15),
+            ("Parts", "Teill.", "#", 15),
+            ("Weight", "Gewicht", "kg", 20),
+            ("Gradation", "Gradation", "°Oe|°KMW", 30),
+        ];
+
+        public record struct StatisticsRow(
+            string Branch,
+            int? KgNr,
+            string? Name,
+            int Members,
+            int Deliveries,
+            int Parts,
+            int Weight,
+            (double Oe, double Kmw) Gradation
+        );
+
+        public WineLocalityStatisticsData(IEnumerable<StatisticsRow> rows, List<string> filterNames) :
+            base("Lieferstatistik pro Ort", "Lieferstatistik pro Ort", string.Join(" / ", filterNames), rows, FieldNames) {
+        }
+
+        public static async Task<WineLocalityStatisticsData> FromQuery(IQueryable<DeliveryPart> query, List<string> filterNames) {
+            return new((await query
+                .GroupBy(p => new {
+                    Branch = p.Delivery.Branch.Name,
+                    p.Kg!.KgNr,
+                    Kg = p.Kg!.AtKg.Name,
+                }, (k, g) => new {
+                    k.Branch,
+                    KgNr = (int?)k.KgNr,
+                    Kg = (string?)k.Kg,
+                    Members = g.Select(p => p.Delivery.Member).Distinct().Count(),
+                    Deliveries = g.Select(p => p.Delivery).Distinct().Count(),
+                    Parts = g.Count(),
+                    Weight = g.Sum(p => p.Weight),
+                    Kmw = g.Sum(p => p.Kmw * p.Weight) / g.Sum(p => p.Weight),
+                })
+                .OrderByDescending(g => g.Weight)
+                .ThenBy(g => g.KgNr)
+                .ToListAsync()).Select(g => new StatisticsRow(g.Branch, g.KgNr, g.Kg, g.Members, g.Deliveries, g.Parts, g.Weight, (Utils.KmwToOe(g.Kmw), Math.Round(g.Kmw, 1)))), filterNames);
+        }
+    }
+}