fix(newsletter): 🐛 Fixed a few small bugs in the newsletter

Fixed an issue where if you only had external users, it wouldn't send. Fixed another issue where it didn't cater for potential duplicate email addresses

src/Ombi.Schedule.Tests/NewsletterUnsubscribeTests.cs

@@ -29,6 +29,8 @@ namespace Ombi.Schedule.Tests
                 yield return new TestCaseData("https://google.com:3577/", "1").Returns("https://google.com:3577/unsubscribe/1").SetName("Port With Slash");
                 yield return new TestCaseData("", "1").Returns(string.Empty).SetName("Missing App URL empty");
                 yield return new TestCaseData(null, "1").Returns(string.Empty).SetName("Missing App URL null");
+                yield return new TestCaseData("hty", string.Empty).Returns(string.Empty).SetName("Missing ID empty");
+                yield return new TestCaseData("hty", null).Returns(string.Empty).SetName("Missing ID null");
             }
         }
     }

src/Ombi.Schedule/Jobs/Ombi/NewsletterJob.cs

@@ -208,13 +208,7 @@ namespace Ombi.Schedule.Jobs.Ombi
 
                 if (!test)
                 {
-                    // Get the users to send it to
-                    var users = await _userManager.GetUsersInRoleAsync(OmbiRoles.ReceivesNewsletter);
-                    if (!users.Any())
-                    {
-                        return;
-                    }
-
+                    var users = new List<OmbiUser>();
                     foreach (var emails in settings.ExternalEmails)
                     {
                         users.Add(new OmbiUser
@@ -224,11 +218,23 @@ namespace Ombi.Schedule.Jobs.Ombi
                         });
                     }
 
+                    // Get the users to send it to
+                    users.AddRange(await _userManager.GetUsersInRoleAsync(OmbiRoles.ReceivesNewsletter));
+                    if (!users.Any())
+                    {
+                        return;
+                    }                    
+
                     var messageContent = ParseTemplate(template, customization);
                     var email = new NewsletterTemplate();
 
-                    foreach (var user in users)
-                    {
+                    foreach (var user in users.DistinctBy(x => x.Email))
+                    {                        // Get the users to send it to
+                        if (user.Email.IsNullOrEmpty())
+                        {
+                            continue;
+                        }
+
                         var url = GenerateUnsubscribeLink(customization.ApplicationUrl, user.Id);
                         var html = email.LoadTemplate(messageContent.Subject, messageContent.Message, body, customization.Logo, url);
 
@@ -243,11 +249,6 @@ namespace Ombi.Schedule.Jobs.Ombi
                             Subject = messageContent.Subject
                         };
 
-                        // Get the users to send it to
-                        if (user.Email.IsNullOrEmpty())
-                        {
-                            continue;
-                        }
                         // Send the message to the user
                         message.To.Add(new MailboxAddress(user.Email.Trim(), user.Email.Trim()));
 
@@ -391,7 +392,7 @@ namespace Ombi.Schedule.Jobs.Ombi
 
         public static string GenerateUnsubscribeLink(string applicationUrl, string id)
         {
-            if (!applicationUrl.HasValue())
+            if (!applicationUrl.HasValue() || !id.HasValue())
             {
                 return string.Empty;
             }

src/Ombi/.vscode/settings.json

@@ -16,6 +16,7 @@
         "request-limits",
         "notifications",
         "settings",
-        "user-management"
+        "user-management",
+        "newsletter"
     ]
 }