[#77] Entities: Add AreaComContract to group area commitments together

Elwig/Helpers/AppDbContext.cs

@@ -1,16 +1,16 @@
-using Microsoft.EntityFrameworkCore;
-using Elwig.Models.Entities;
-using System.Linq;
-using System.Threading.Tasks;
-using System.IO;
-using System;
-using System.Windows;
-using Microsoft.Extensions.Logging;
-using Microsoft.Data.Sqlite;
-using System.Text.RegularExpressions;
-using System.Collections.Generic;
 using Elwig.Models.Dtos;
+using Elwig.Models.Entities;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
 using System.Data;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using System.Windows;
 
 namespace Elwig.Helpers {
 
@@ -48,6 +48,7 @@ namespace Elwig.Helpers {
         public DbSet<MemberTelNr> MemberTelephoneNrs { get; private set; }
         public DbSet<MemberEmailAddr> MemberEmailAddrs { get; private set; }
         public DbSet<MemberHistory> MemberHistory { get; private set; }
+        public DbSet<AreaComContract> AreaCommitmentContracts { get; private set; }
         public DbSet<AreaCom> AreaCommitments { get; private set; }
         public DbSet<Season> Seasons { get; private set; }
         public DbSet<DeliverySchedule> DeliverySchedules { get; private set; }
@@ -142,7 +143,7 @@ namespace Elwig.Helpers {
         }
 
         public async Task<bool> FbNrExists(int fbnr) {
-            return await AreaCommitments.FindAsync(fbnr) != null;
+            return await AreaCommitmentContracts.FindAsync(fbnr) != null;
         }
 
         public async Task<bool> SortIdExists(string sortId) {
@@ -166,11 +167,18 @@ namespace Elwig.Helpers {
 
         public async Task<int> NextFbNr() {
             int c = 0;
-            (await AreaCommitments.OrderBy(ac => ac.FbNr).Select(ac => ac.FbNr).ToListAsync())
+            (await AreaCommitmentContracts.OrderBy(ac => ac.FbNr).Select(ac => ac.FbNr).ToListAsync())
                 .ForEach(a => { if (a <= c + 10000) c = a; });
             return c + 1;
         }
 
+        public async Task<int> NextRevNr(int fbnr) {
+            int c = 0;
+            (await AreaCommitments.Where(c => c.FbNr == fbnr).Select(c => c.RevNr).ToListAsync())
+                .ForEach(a => { if (a <= c + 100) c = a; });
+            return c + 1;
+        }
+
         public async Task<int> NextLNr(DateOnly date, string zwstid) {
             var dateStr = date.ToString("yyyy-MM-dd");
             int c = 0;