Convert to Blazor (#6)

Convert existing progress to Blazor on client and server

src/JobsJobsJobs/Shared/Domain/ShortId.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace JobsJobsJobs.Shared
+{
+    /// <summary>
+    /// A short ID
+    /// </summary>
+    public record ShortId(string Id)
+    {
+        /// <summary>
+        /// Validate the format of the short ID
+        /// </summary>
+        private static readonly Regex ValidShortId =
+            new Regex("^[a-z0-9_-]{12}", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+
+        /// <summary>
+        /// Create a new short ID
+        /// </summary>
+        /// <returns>A new short ID</returns>
+        public static async Task<ShortId> Create() => new ShortId(await Nanoid.Nanoid.GenerateAsync(size: 12));
+
+        /// <summary>
+        /// Try to parse a string of text into a short ID
+        /// </summary>
+        /// <param name="text">The text of the prospective short ID</param>
+        /// <returns>The short ID</returns>
+        /// <exception cref="FormatException">If the format is not valid</exception>
+        public static ShortId Parse(string text)
+        {
+            if (text.Length == 12 && ValidShortId.IsMatch(text)) return new ShortId(text);
+            throw new FormatException($"The string {text} is not a valid short ID");
+        }
+
+        public override string ToString() => Id;
+    }
+}