falta que se actualize numProducto y los infomes

Controladora/ControladoraInformes.cs

@@ -0,0 +1,42 @@
+using Informes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace Controladora
+{
+    public class ControladoraInformes : Singleton<ControladoraInformes>
+    {
+        const string configpath = "settings.json";
+
+        public void GuardarConfig(ConfigEmail config)
+        {
+            try
+            {
+                string json = JsonSerializer.Serialize(config, new JsonSerializerOptions { WriteIndented = true });
+                File.WriteAllText(configpath, json);
+
+            }
+            catch (IOException ex) { throw; }
+        }
+
+        public ConfigEmail RecuperarConfig()
+        {
+            try
+            {
+                if (!File.Exists(configpath))
+                {
+                    string json = JsonSerializer.Serialize(new ConfigEmail { EmailAddr = "", EmailPass = "", EmailTarget = new List<String>() }, new JsonSerializerOptions { WriteIndented = true });
+                    File.WriteAllText(configpath, json);
+                }
+            }
+            catch (IOException ex) { throw; }
+
+            string jsonString = File.ReadAllText(configpath);
+            return JsonSerializer.Deserialize<ConfigEmail>(jsonString);
+        }
+    }
+}