SiteFinity Retrieve FeeValue Content Block from Shortcode

gistfile1.cs

public static class FeeValueShortcodeProcessor
{
   /// <summary>
   /// Expands all FeeValue shortcodes in the specified text
   /// </summary>
   /// <param name="inputText">The input text.</param>
   /// <returns>String with replaced short code values</returns>
   public static string Expand(object inputText)
   {
      if (inputText == null) return string.Empty;
      var result = inputText.ToString();

      // use regex to find matches
      const string regex = @"\[FeeValue:(?<title>.*?)\]";
      var matches = Regex.Matches(result, regex);

      foreach (Match match in matches)
      {
         // Get Fee Title
         var feeTitle = match.Groups["title"].Value;

         // Replace shortcode text with retrieved Fee value from shared 
         // content blocks. Filter by the FeeValues category so that we don't
         // get things mixed up with any actual content blocks.
         var taxManager = TaxonomyManager.GetManager();
         var catManager = taxManager
                           .GetTaxonomies<HierarchicalTaxonomy>()
                           .SingleOrDefault(s => s.Name == "Categories");

         var feeValuesCategory = catManager.Taxa.FirstOrDefault(c => c.Title == "FeeValues");
         var categoryId = feeValuesCategory.Id;

         var manager = ContentManager.GetManager();
         var contentItem = manager
                              .GetContent()
                              .FirstOrDefault(x => x.GetValue<TrackedList<Guid>>("Category").Contains(categoryId)
                                                   && x.Title == feeTitle
                                                   && x.Status == ContentLifecycleStatus.Live);

         var feeValue = contentItem != null ? contentItem.Content.ToString() : "FEE VALUE NOT FOUND";
         result = result.Replace(match.Value, feeValue);
      }

      return result;
   }
}