more services from Web API

src/Yavsc.Server/Services/MailSender.cs

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+using System.Text;
+using System;
+using System.Net;
+using System.Threading.Tasks;
+using MailKit.Net.Smtp;
+using MailKit.Security;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using MimeKit;
+using Yavsc.Abstract.Manage;
+using Microsoft.AspNetCore.Identity.UI.Services;
+using Yavsc.Interface;
+using Yavsc.Settings;
+
+namespace Yavsc.Services
+{
+    public class MailSender  : IEmailSender, ITrueEmailSender
+    {
+        readonly SiteSettings siteSettings;
+        readonly SmtpSettings smtpSettings;
+        private readonly ILogger logger;
+
+        public MailSender(
+            IOptions<SiteSettings> sitesOptions, 
+            IOptions<SmtpSettings> smtpOptions,
+            ILoggerFactory loggerFactory
+            )
+        {
+            siteSettings = sitesOptions.Value;
+            smtpSettings = smtpOptions.Value;
+            logger = loggerFactory.CreateLogger<MailSender>();
+        }
+        
+        /// <summary>
+        ///
+        /// </summary>
+        /// <param name="googleSettings"></param>
+        /// <param name="registrationId"></param>
+        /// <param name="ev"></param>
+        /// <returns>a MessageWithPayloadResponse,
+        /// <c>bool somethingsent = (response.failure == 0 &amp;&amp; response.success > 0)</c>
+        /// </returns>
+        
+
+        public async Task SendEmailAsync(string email, string subject, string htmlMessage)
+        {
+           await SendEmailAsync("", email, subject, htmlMessage);
+        }
+
+        public async Task<string> SendEmailAsync(string name, string email, string subject, string htmlMessage)
+        {
+             logger.LogInformation($"SendEmail for {email} : {subject}");
+            MimeMessage msg = new ();
+            msg.From.Add(new MailboxAddress(siteSettings.Owner.Name,
+            siteSettings.Owner.EMail));
+            msg.To.Add(new MailboxAddress(name, email));
+            msg.Body = new TextPart("html")
+            {
+                Text = htmlMessage
+            };
+            msg.Subject = subject;
+            msg.MessageId = MimeKit.Utils.MimeUtils.GenerateMessageId(
+                siteSettings.Authority
+            );
+            using (SmtpClient sc = new ())
+            {
+                sc.Connect(
+                    smtpSettings.Server,
+                    smtpSettings.Port,
+                    SecureSocketOptions.Auto);
+                
+                if (smtpSettings.UserName!=null) {
+                    NetworkCredential creds = new (
+                    smtpSettings.UserName, smtpSettings.Password);
+                    await sc.AuthenticateAsync(System.Text.Encoding.UTF8, creds, System.Threading.CancellationToken.None);
+                }
+                await sc.SendAsync(msg);
+                logger.LogInformation($"Sent : {msg.MessageId}");
+            }
+            return msg.MessageId;
+        }
+    }
+}