gistfile1.js

(function () {

  // Products as listed in Settings > Ticket Fields
  products = {
    cas:     ["cas", "CAS"],
    sakai:   ["sak", "Sakai"],
    shib:    ["shib", "Shibboleth"],
    uportal: ["up", "uPortal"],
    zimbra:  ["zimbra", "Zimbra"]
  }

  envs = ["dev", "qa", "prod"]
  environments = {
    hosted: envs,
    manage_services: envs
  }

  // Zendesk's API is currently not available for users (i.e. client accounts)
  // $j.getJSON('/ticket_fields.json', function(data) {
  // });

  $j(document).ready(function() {
    var selectMenu = $j("select#ticket_fields_20945891"),
        label      = $j("#ticket_fields_20945891").parent().prev(),
        userTags   = currentUser.tags;

    // Remove existing options and set empty default
    selectMenu.html('<option value=""> - </option>');

    // Add filtered options
    $j.each(userTags, function(i, tag) {

      // Hosted
      if ( environments[tag] ) {
        label.html('Environments <super>*</super>');

        $j.each(envs, function(i, env) {          
          addSelectOptions(envs[i], envs[i].toUpperCase());
        });
      
      // Coop
      } else if ( products[tag] ) {
        addSelectOptions(products[tag][0], products[tag][1]);
      }
    });
    
    function addSelectOptions(value, name) {
      selectMenu.append('<option value="'+value+'">'+name+'</option');
    }
  });
}());