From 09a7889044f02df964665d9ffb9972db0b7ef518 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Mon, 8 Jan 2024 14:18:15 +0100
Subject: [PATCH] AppDbContext: Add NextAvNr()

---
 Elwig/Helpers/AppDbContext.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Elwig/Helpers/AppDbContext.cs b/Elwig/Helpers/AppDbContext.cs
index 30d9099..d3f9fdc 100644
--- a/Elwig/Helpers/AppDbContext.cs
+++ b/Elwig/Helpers/AppDbContext.cs
@@ -200,6 +200,13 @@ namespace Elwig.Helpers {
             return c + 1;
         }
 
+        public async Task<int> NextAvNr(int year) {
+            int c = 0;
+            (await PaymentVariants.Where(v => v.Year == year).Select(v => v.AvNr).ToListAsync())
+                .ForEach(a => { if (a <= c + 100) c = a; });
+            return c + 1;
+        }
+
         public async Task<WineQualLevel> GetWineQualityLevel(double kmw) {
             return await WineQualityLevels
                 .Where(q => !q.IsPredicate && (q.MinKmw == null || q.MinKmw <= kmw))