app: set sample_flag_dict to not waste queries to re-check for samples

js/erp5_loader.js

@@ -4758,6 +4758,11 @@
    */
   app = {};
 
+  /**
+   * Dict to prevent loading samples of multiple portal_types
+   */
+  app.sample_dict = {};
+
   /**
    * Fallback for undefined arrays (faster to lookup than to create)
    */
@@ -6146,7 +6151,8 @@
       pass.data_dict.field_dict = util.parse(reply.response);
 
       // try to get 1 record for this portal_type
-      if (app.storage_dict.property_dict.allow_sample_data && pass.grant &&
+      if (!app.sample_dict[pass.config_dict.portal_type_source] &&
+        app.storage_dict.property_dict.allow_sample_data && pass.grant &&
           (pass.create !== false) && pass.config_dict.initial_query) {
         return storage.fetch({
           "pass": pass,
@@ -6183,6 +6189,9 @@
           .then(function (e) {
             var response, i, len, promise_list, record;
 
+            // set flag to prevent testing for this portal_type again
+            // (saves a query)
+            app.sample_dict[pass.config_dict.portal_type_source] = true;
             response = util.parse(e.target.responseText);
             len = response.length;
             promise_list = [];