[FIX] web: can open a record with a virtual id

Before this change, the switch view open a create form instead of open the
record.
eg: click to open a recurrent event in calendar list view

addons/web/static/src/js/views/basic/basic_model.js

@@ -51,9 +51,10 @@ odoo.define('web.BasicModel', function (require) {
  *
  * Notes:
  * - id: is totally unrelated to res_id.  id is a web client local concept
- * - res_id: if set to a number, it is an actual id for a record in the server
- *     database. If set to 'virtual_' + number, it is a record not yet saved (so,
- *     in create mode).
+ * - res_id: if set to a number or a virtual id (a virtual id is a character
+ *     string composed of an integer and has a dash and other information), it
+ *     is an actual id for a record in the server database. If set to
+ *    'virtual_' + number, it is a record not yet saved (so, in create mode).
  * - res_ids: if set, it represent the context in which the data point is actually
  *     used.  For example, a given record in a form view (opened from a list view)
  *     might have a res_id = 2 and res_ids = [1,2,3]
@@ -397,14 +398,25 @@ var BasicModel = AbstractModel.extend({
         return isDirty;
     },
     /**
-     * Check if a record is new, meaning if it is in the process of being
-     * created and no actual record exists in db.
+     * Check if a record is new, meaning if it is in the process of being created
+     * and no actual record exists in db.
+     *
+     * Note: A virtual id is a character string composed of an integer and has
+     * a dash and other information.
+     * E.g: in calendar, the recursive event have virtual id linked to a real id
+     * virtual event id "23-20170418020000" is linked to the event id 23
      *
      * @param {string} id id for a local resource
      * @returns {boolean}
      */
     isNew: function (id) {
-        return typeof this.localData[id].res_id !== 'number';
+        var res_id = this.localData[id].res_id;
+        if (typeof res_id === 'number') {
+            return false;
+        } else if (typeof res_id === 'string' && /^[0-9]+-/.test(res_id)) {
+            return false;
+        }
+        return true;
     },
     /**
      * Main entry point, the goal of this method is to fetch and process all

addons/web/static/tests/views/list_tests.js

@@ -67,7 +67,16 @@ QUnit.module('Views', {
                     {id: 1, display_name: "USD", symbol: '$', position: 'before'},
                     {id: 2, display_name: "EUR", symbol: '€', position: 'after'},
                 ],
-            }
+            },
+            event: {
+                fields: {
+                    id: {string: "ID", type: "integer"},
+                    name: {string: "name", type: "char"},
+                },
+                records: [
+                    {id: "2-20170808020000", name: "virtual"},
+                ]
+            },
         };
     }
 }, function () {
@@ -1487,6 +1496,31 @@ QUnit.module('Views', {
 
         list.destroy();
     });
+
+    QUnit.test('open a virtual id', function (assert) {
+        assert.expect(1);
+
+        var list = createView({
+            View: ListView,
+            model: 'event',
+            data: this.data,
+            arch: '<tree><field name="name"/></tree>',
+        });
+
+        testUtils.intercept(list, "switch_view", function (event) {
+            assert.deepEqual(event.data, {
+                    'model': 'event',
+                    'res_id': '2-20170808020000',
+                    'view_type': 'form',
+                    'mode': 'readonly'
+                },
+                "should trigger switch to the form view for the record virtual id");
+        });
+        list.$('td:contains(virtual)').click();
+
+        list.destroy();
+    });
+
 });
 
 });