initial commit

packages/backend/Services/SMSService.cs

@@ -0,0 +1,35 @@
+using Microsoft.Extensions.Options;
+using Serilog;
+using Twilio;
+using Twilio.Rest.Api.V2010.Account;
+using YaleAccess.Models.Options;
+
+namespace YaleAccess.Services
+{
+    public class SMSService
+    {
+        private readonly TwiloOptions _twiloOptions;
+
+        public SMSService(IOptions<TwiloOptions> twiloOptions)
+        {
+            _twiloOptions = twiloOptions.Value;
+        }
+
+        public async Task SendCodeViaSMSAsync(string code, string phoneNumber)
+        {
+            // Create a Twilio client
+            TwilioClient.Init(_twiloOptions.AccountSid, _twiloOptions.AuthToken);
+
+            // Send the message
+            var message = await MessageResource.CreateAsync(
+                body: $"{_twiloOptions.Message} {code}",
+                from: new Twilio.Types.PhoneNumber(_twiloOptions.FromNumber),
+                to: new Twilio.Types.PhoneNumber(phoneNumber)
+            );
+
+            // Log the message
+            Log.Logger.Information("SMS sent to {PhoneNumber} with message SID {MessageSid}.", phoneNumber, message.Sid);
+            Log.Logger.Debug("SMS message: {MessageBody}", message.Body);
+        }
+    }
+}