Configuration structure changes

src/Correo.MailKit/DependencyInjectionExtensions.cs

@@ -7,7 +7,7 @@ namespace Correo.MailKit
 {
     public static class DependencyInjectionExtensions
     {
-        public static void AddMailKitSmtpClient(this IServiceCollection services, IConfigurationSection configuration)
+        public static void AddMailKitSmtpClient(this IServiceCollection services, IConfiguration configuration)
         {
             services.Configure<SmtpClientOptions>(configuration);
             services.AddTransient<IMailer, MailKitSmtpClient>();

src/Correo.NetSmtpClient/DependencyInjectionExtensions.cs

@@ -7,7 +7,7 @@ namespace Correo.NetSmtpClient
 {
     public static class DependencyInjectionExtensions
     {
-        public static void AddNetSmtpClient(this IServiceCollection services, IConfigurationSection configuration)
+        public static void AddNetSmtpClient(this IServiceCollection services, IConfiguration configuration)
         {
             services.Configure<SmtpClientOptions>(configuration);
             services.AddTransient<IMailer, NetSmtpClient>();

src/Correo/Extensions/DataTypeExtensions.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Correo.Extensions
+{
+    internal static class DataTypeExtensions
+    {
+        public static bool EqualsIgnoreCase(this string value1, string value2)
+            => value1.Equals(value2, StringComparison.InvariantCultureIgnoreCase);
+    }
+}

src/Correo/Extensions/SmtpExtensions.cs

@@ -12,20 +12,16 @@ namespace Correo.Extensions
     {
         public static void AddSmtpService(this IServiceCollection services, IConfiguration configuration)
         {
-            var mediator = configuration.GetValue("SmtpMediator", ".NET");
+            var mediator = configuration.GetValue("SmtpMediator", "SmtpClient");
-            if (mediator.Equals(".NET", StringComparison.InvariantCultureIgnoreCase))
+            if (mediator.EqualsIgnoreCase("SmtpClient"))
             {
-                services.AddNetSmtpClient(configuration.GetSection("SmtpClient"));
+                services.AddSmtpClient(configuration.GetSection("SmtpClient"));
             }
-            else if (mediator.Equals("MailKit", StringComparison.InvariantCultureIgnoreCase))
+            else if (mediator.EqualsIgnoreCase("SendGrid"))
-            {
-                services.AddMailKitSmtpClient(configuration.GetSection("SmtpClient"));
-            }
-            else if (mediator.Equals("SendGrid", StringComparison.InvariantCultureIgnoreCase))
             {
                 services.AddSendGridService(configuration.GetSection("SendGrid"));
             }
-            else if (mediator.Equals("Mailgun", StringComparison.InvariantCultureIgnoreCase))
+            else if (mediator.EqualsIgnoreCase("Mailgun"))
             {
                 services.AddMailgunService(configuration.GetSection("Mailgun"));
             }
@@ -34,5 +30,22 @@ namespace Correo.Extensions
                 throw new NotImplementedException($"SmtpMediator '{mediator}' is not implemented.");
             }
         }
+
+        private static void AddSmtpClient(this IServiceCollection services, IConfiguration configuration)
+        {
+            var package = configuration.GetValue("Package", ".NET");
+            if (package.EqualsIgnoreCase(".NET"))
+            {
+                services.AddNetSmtpClient(configuration);
+            }
+            else if (package.EqualsIgnoreCase("MailKit"))
+            {
+                services.AddMailKitSmtpClient(configuration);
+            }
+            else
+            {
+                throw new NotImplementedException($"SmtpClient:Package '{package}' is not implemented.");
+            }
+        }
     }
 }

src/Correo/appsettings.json

@@ -29,8 +29,9 @@
     "Address": "noreply@homelab.com",
     "Name": "HomeLab"
   },
-  "SmtpMediator": ".NET", //.NET, MailKit, SendGrid, Mailgun
+  "SmtpMediator": "SmtpClient", //SmtpClient, SendGrid, Mailgun
   "SmtpClient": {
+    "Package": "MailKit", //.NET, MailKit
     "Server": "smtp.gmail.com",
     "Port": "587",
     "UseAuthentication": true,