[IMP] web: make the summary field mandatory on calendar view.

while creating the event directly from calendar it opens a
quick create with summary field which is not mandatory.

Task-1917002

closes odoo/odoo#31236

Signed-off-by: VincentSchippefilt <VincentSchippefilt@users.noreply.github.com>

addons/web/static/src/js/views/calendar/calendar_quick_create.js

@@ -77,6 +77,11 @@ var QuickCreate = Dialog.extend({
     _quickAdd: function (dataCalendar) {
         dataCalendar = $.extend({}, this.dataTemplate, dataCalendar);
         var val = this.$('input').val().trim();
+        if (!val) {
+            this.$('label, input').addClass('o_field_invalid');
+            var warnings = _.str.sprintf('<ul><li>%s</li></ul>', _t("Summary"));
+            this.do_warn(_t("The following field is invalid:"), warnings);
+        }
         dataCalendar.title = val;
         return (val)? this.trigger_up('quickCreate', {data: dataCalendar, options: this.options}) : false;
     },

addons/web/static/src/xml/web_calendar.xml

@@ -95,8 +95,8 @@
 
     <main t-name="CalendarView.quick_create" class="o_calendar_quick_create">
         <div class="form-group">
-            <label for='name' class='col-form-label'>Summary:</label>
-            <input type='text' name='name' class="o_input" t-att-value="widget.dataTemplate.name or None"/>
+            <label for='name' class='col-form-label o_form_label'>Summary:</label>
+            <input type='text' name='name' class="o_input o_required_modifier" t-att-value="widget.dataTemplate.name or None"/>
         </div>
     </main>
 </template>