Cleaning up the solution. Separating Shared.WinRT, Services and Synchronization. Removing synchronization from app. Reducing bundle size by 45mb.

Wino.Core.Domain/Extensions/LongExtensions.cs

@@ -0,0 +1,54 @@
+namespace Wino.Domain.Extensions
+{
+    public static class LongExtensions
+    {
+        // Returns the human-readable file size for an arbitrary, 64-bit file size 
+        // The default format is "0.### XB", e.g. "4.2 KB" or "1.434 GB"
+        public static string GetBytesReadable(this long i)
+        {
+            // Get absolute value
+            long absolute_i = i < 0 ? -i : i;
+            // Determine the suffix and readable value
+            string suffix;
+            double readable;
+            if (absolute_i >= 0x1000000000000000) // Exabyte
+            {
+                suffix = "EB";
+                readable = i >> 50;
+            }
+            else if (absolute_i >= 0x4000000000000) // Petabyte
+            {
+                suffix = "PB";
+                readable = i >> 40;
+            }
+            else if (absolute_i >= 0x10000000000) // Terabyte
+            {
+                suffix = "TB";
+                readable = i >> 30;
+            }
+            else if (absolute_i >= 0x40000000) // Gigabyte
+            {
+                suffix = "GB";
+                readable = i >> 20;
+            }
+            else if (absolute_i >= 0x100000) // Megabyte
+            {
+                suffix = "MB";
+                readable = i >> 10;
+            }
+            else if (absolute_i >= 0x400) // Kilobyte
+            {
+                suffix = "KB";
+                readable = i;
+            }
+            else
+            {
+                return i.ToString("0 B"); // Byte
+            }
+            // Divide by 1024 to get fractional value
+            readable = readable / 1024;
+            // Return formatted number with suffix
+            return readable.ToString("0.# ") + suffix;
+        }
+    }
+}

Wino.Core.Domain/Extensions/MailkitClientExtensions.cs

@@ -0,0 +1,14 @@
+namespace Wino.Domain.Extensions
+{
+    public static class MailkitClientExtensions
+    {
+        public static uint ResolveUid(string mailCopyId)
+        {
+            var splitted = mailCopyId.Split(Constants.MailCopyUidSeparator);
+
+            if (splitted.Length > 1 && uint.TryParse(splitted[1], out uint parsedUint)) return parsedUint;
+
+            throw new ArgumentOutOfRangeException(nameof(mailCopyId), mailCopyId, "Invalid mailCopyId format.");
+        }
+    }
+}

Wino.Core.Domain/Extensions/MimeExtensions.cs

@@ -0,0 +1,22 @@
+using MimeKit;
+using Wino.Domain;
+using Wino.Domain.Entities;
+
+namespace Wino.Domain.Extensions
+{
+    public static class MimeExtensions
+    {
+
+
+        public static AddressInformation ToAddressInformation(this MailboxAddress address)
+        {
+            if (address == null)
+                return new AddressInformation() { Name = Translator.UnknownSender, Address = Translator.UnknownAddress };
+
+            if (string.IsNullOrEmpty(address.Name))
+                address.Name = address.Address;
+
+            return new AddressInformation() { Name = address.Name, Address = address.Address };
+        }
+    }
+}