[IMP] web: fetch records alongside read_group

This rev. adds params to the 'web_read_group' method, allowing to
search_read records inside each groups in a single RPC, instead of
doing a 'web_read_group' RPC followed by n 'search_read' RPCs,
where n is the number of opened groups.

Part of task 1915702

1 files changed, 18 insertions, 1 deletions

diff --git a/addons/web/static/tests/helpers/mock_server.js b/addons/web/static/tests/helpers/mock_server.js
index 0eb54bd3e0b..b1427ecb6f4 100644
--- a/addons/web/static/tests/helpers/mock_server.js
+++ b/addons/web/static/tests/helpers/mock_server.js
@@ -1209,9 +1209,26 @@ var MockServer = Class.extend({
      * @param {boolean} kwargs.lazy still mostly ignored
      * @param {integer} [kwargs.limit]
      * @param {integer} [kwargs.offset]
+     * @param {boolean} [kwargs.expand=false] if true, read records inside each
+     *   group
+     * @param {integer} [kwargs.expand_limit]
+     * @param {integer} [kwargs.expand_orderby]
      * @returns {Object[]}
      */
     _mockWebReadGroup: function (model, kwargs) {
+        var self = this;
+        var groups = this._mockReadGroup(model, kwargs);
+        if (kwargs.expand && kwargs.groupby.length === 1) {
+            groups.forEach(function (group) {
+                group.__data = self._mockSearchReadController({
+                    domain: group.__domain,
+                    model: model,
+                    fields: kwargs.fields,
+                    limit: kwargs.expand_limit,
+                    order: kwargs.expand_orderby,
+                });
+            });
+        }
         var allGroups = this._mockReadGroup(model, {
             domain: kwargs.domain,
             fields: ['display_name'],
@@ -1219,7 +1236,7 @@ var MockServer = Class.extend({
             lazy: kwargs.lazy,
         });
         return {
-            groups: this._mockReadGroup(model, kwargs),
+            groups: groups,
             length: allGroups.length,
         };
     },