Saving AdminSettings to a Json File.

Server/Repository/AdminSettingsRepository.cs

@@ -1,6 +1,9 @@
 using Microsoft.EntityFrameworkCore;
 using System.Linq;
 using System.Collections.Generic;
+using System.IO;
+using System.Runtime.CompilerServices;
+using System.Text.Json;
 using SZUAbsolventenverein.Module.AdminModules.Models;
 using Oqtane.Modules;
 
@@ -31,25 +34,58 @@ namespace SZUAbsolventenverein.Module.AdminModules.Repository
     /// </summary>
     public class AdminSettingsRepository : IAdminSettingsRepository, ITransientService
     {
-        private readonly IDbContextFactory<AdminModulesContext> _factory;
-
-        public AdminSettingsRepository(IDbContextFactory<AdminModulesContext> factory)
+        public AdminSettingsRepository()
         {
-            _factory = factory;
         }
 
         public AdminSetting GetAdminSetting()
         {
-            using var db = _factory.CreateDbContext();
-            return db.AdminSettings.First();
+            return AdminSettingsExtensions.LoadSettings();
         }
 
         public AdminSetting SetAdminSettings(AdminSetting adminSetting)
         {
-            using var db = _factory.CreateDbContext();
-            db.Entry(adminSetting).State = EntityState.Modified;
-            db.SaveChanges();
+            return adminSetting.SaveChanges();
+        }
+    }
+    
+    /// <summary>
+    /// Extension methods for saving and loading admin settings to/from a JSON file.
+    /// </summary>
+    public static class AdminSettingsExtensions
+    {
+        /// <summary>
+        /// Path to the JSON file where admin settings are stored.
+        /// </summary>
+        private static string path = "AdminSettings.json";
+        
+        /// <summary>
+        /// Saves the adminSettingsObject to a JSON file.
+        /// </summary>
+        /// <param name="adminSetting">Settings to save</param>
+        /// <returns>The same AdminSettings object for chaining of Operations</returns>
+        public static AdminSetting SaveChanges(this AdminSetting adminSetting)
+        {
+            string res = JsonSerializer.Serialize(adminSetting);
+
+            File.WriteAllText(path, res);
+            
             return adminSetting;
         }
+        
+        /// <summary>
+        /// Loads the admin settings from the JSON file. If the file does not exist, returns a new AdminSetting object with default (0) values.
+        /// </summary>
+        /// <returns></returns>
+        public static AdminSetting LoadSettings()
+        {
+            if (File.Exists(path))
+            {
+                string json = File.ReadAllText(path);
+                return JsonSerializer.Deserialize<AdminSetting>(json);
+            }
+            
+            return new AdminSetting();
+        }
     }
 }