Separation of core library from the UWP app.

Wino.Services/ThreadingStrategyProvider.cs

@@ -0,0 +1,31 @@
+using Wino.Core.Domain.Enums;
+using Wino.Core.Domain.Interfaces;
+
+namespace Wino.Services
+{
+    public class ThreadingStrategyProvider : IThreadingStrategyProvider
+    {
+        private readonly IOutlookThreadingStrategy _outlookThreadingStrategy;
+        private readonly IGmailThreadingStrategy _gmailThreadingStrategy;
+        private readonly IImapThreadingStrategy _imapThreadStrategy;
+
+        public ThreadingStrategyProvider(IOutlookThreadingStrategy outlookThreadingStrategy,
+                                         IGmailThreadingStrategy gmailThreadingStrategy,
+                                         IImapThreadingStrategy imapThreadStrategy)
+        {
+            _outlookThreadingStrategy = outlookThreadingStrategy;
+            _gmailThreadingStrategy = gmailThreadingStrategy;
+            _imapThreadStrategy = imapThreadStrategy;
+        }
+
+        public IThreadingStrategy GetStrategy(MailProviderType mailProviderType)
+        {
+            return mailProviderType switch
+            {
+                MailProviderType.Outlook or MailProviderType.Office365 => _outlookThreadingStrategy,
+                MailProviderType.Gmail => _gmailThreadingStrategy,
+                _ => _imapThreadStrategy,
+            };
+        }
+    }
+}