[IMP] pos_partner_birthdate: Allow to search by birthdate

pos_partner_birthdate/__manifest__.py

@@ -17,6 +17,7 @@
             "pos_partner_birthdate/static/src/xml/screens.xml",
             "pos_partner_birthdate/static/src/js/ClientDetailsEdit.esm.js",
             "pos_partner_birthdate/static/src/js/PartnerLine.esm.js",
+            "pos_partner_birthdate/static/src/js/PosDB.esm.js",
         ]
     },
 }

pos_partner_birthdate/static/src/js/PosDB.esm.js

@@ -0,0 +1,19 @@
+/** @odoo-module **/
+import {PosDB} from "@point_of_sale/app/store/db";
+import {formatDate} from "@web/core/l10n/dates";
+import {patch} from "@web/core/utils/patch";
+const {DateTime} = luxon;
+
+patch(PosDB.prototype, {
+    _partner_search_string(partner) {
+        var result = super._partner_search_string(partner);
+        if (partner.birthdate_date) {
+            result =
+                result.substr(0, result.length - 1) +
+                "|" +
+                formatDate(DateTime.fromJSDate(new Date(partner.birthdate_date))) +
+                "\n";
+        }
+        return result;
+    },
+});