From 3318db42bac6e13dd8dbe2ebbdfa61992603de4f Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Wed, 22 Mar 2023 23:30:04 +0100
Subject: [PATCH] Make methods in Utils async

---
 Elwig/Helpers/Utils.cs     | 12 +++++++-----
 Elwig/Helpers/Validator.cs |  5 +++--
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/Elwig/Helpers/Utils.cs b/Elwig/Helpers/Utils.cs
index 7fc0545..a422c33 100644
--- a/Elwig/Helpers/Utils.cs
+++ b/Elwig/Helpers/Utils.cs
@@ -7,6 +7,7 @@ using System.Windows;
 using System.Windows.Controls;
 using System.Diagnostics;
 using System.Windows.Controls.Primitives;
+using Microsoft.EntityFrameworkCore;
 
 namespace Elwig.Helpers {
     public static class Utils {
@@ -86,13 +87,14 @@ namespace Elwig.Helpers {
             });
         }
 
-        public static bool MgNrExists(AppDbContext ctx, int mgnr) {
-            return ctx.Members.Find(mgnr) != null;
+        public static async Task<bool> MgNrExists(AppDbContext ctx, int mgnr) {
+            return await ctx.Members.FindAsync(mgnr) != null;
         }
 
-        public static int NextMgNr(AppDbContext ctx) {
-            int c = ctx.Members.Select(m => m.MgNr).Min();
-            ctx.Members.OrderBy(m => m.MgNr).Select(m => m.MgNr).ToList().ForEach(a => { if (a <= c + 100) c = a; });
+        public static async Task<int> NextMgNr(AppDbContext ctx) {
+            int c = await ctx.Members.Select(m => m.MgNr).MinAsync();
+            (await ctx.Members.OrderBy(m => m.MgNr).Select(m => m.MgNr).ToListAsync())
+                .ForEach(a => { if (a <= c + 100) c = a; });
             return c + 1;
         }
     }
diff --git a/Elwig/Helpers/Validator.cs b/Elwig/Helpers/Validator.cs
index 75d5e60..a192aff 100644
--- a/Elwig/Helpers/Validator.cs
+++ b/Elwig/Helpers/Validator.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 using System.Windows.Controls;
 using Elwig.Models;
 
@@ -265,7 +266,7 @@ namespace Elwig.Helpers {
             }
 
             int nr = int.Parse(input.Text);
-            if (nr != m?.MgNr && Utils.MgNrExists(ctx, nr)) {
+            if (nr != m?.MgNr && Utils.MgNrExists(ctx, nr).GetAwaiter().GetResult()) {
                 return new(false, "Mitgliedsnummer wird bereits verwendet");
             }
 
@@ -278,7 +279,7 @@ namespace Elwig.Helpers {
                 return res;
             } else if (!required && input.Text.Length == 0) {
                 return new(true, null);
-            } else if (!Utils.MgNrExists(ctx, int.Parse(input.Text))) {
+            } else if (!Utils.MgNrExists(ctx, int.Parse(input.Text)).GetAwaiter().GetResult()) {
                 return new(false, "Ein Mitglied mit dieser Mitgliedsnummer existiert nicht");
             }