Pull out schema fetching, as some times we fetch schemas when we don't actually have a handler for the type.

server/commons/mapping.coffee

@@ -42,6 +42,7 @@ module.exports.handlerUrlOverrides =
   'level_session': 'level.session'
   'level_system': 'level.system'
   'thang_type': 'thang.type'
+  'thang_component': 'thang.component'
   'user_code_problem': 'user.code.problem'
   'user_remark': 'user.remark'
   'mail_sent': 'mail.sent'

server/routes/db.coffee

@@ -26,7 +26,7 @@ module.exports.setup = (app) ->
 
       parts = req.path[4..].split('/')
 
-      return getSchema(req, res, module) if parts[1] is 'schema'
+      
       if (not req.user) and req.route.method isnt 'get'
         return errors.unauthorized(res, 'Must have an identity to do anything with the db. Do you have cookies enabled?')
 
@@ -56,6 +56,10 @@ module.exports.setup = (app) ->
     app.all '/db/' + moduleName + '/*', routeHandler
     app.all '/db/' + moduleName, routeHandler
 
+  app.get '/db/:module/schema', (req, res) ->
+    res.setHeader('Content-Type', 'application/json')
+    getSchema req, res, req.params.module
+
   for moduleNameUnder of handlers
     name = handlers[moduleNameUnder]
     moduleName = handlerUrlOverrides[moduleNameUnder] or moduleNameUnder