From 7956d96bcc1e342c09cb5fa2a64fede282d525a6 Mon Sep 17 00:00:00 2001
From: Alaguraj0361 <alaguraj0361@gmail.com>
Date: Sat, 14 Feb 2026 18:18:10 +0530
Subject: [PATCH] add Kitchen Display System (KDS) functionality with order
 line preparation status, time tracking, and real-time POS integration.

---
 .../static/src/css/home_menu.css              |  2 +-
 addons/dine360_kds/models/pos_order_line.py   | 33 +++++++++++++++++--
 addons/dine360_kds/static/src/js/pos_kds.js   |  8 +++--
 3 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/addons/dine360_dashboard/static/src/css/home_menu.css b/addons/dine360_dashboard/static/src/css/home_menu.css
index ea4e56c..9593da0 100644
--- a/addons/dine360_dashboard/static/src/css/home_menu.css
+++ b/addons/dine360_dashboard/static/src/css/home_menu.css
@@ -2,7 +2,7 @@
 body.o_home_dashboard,
 #wrapwrap.o_home_dashboard,
 .o_home_menu_background {
-    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
+    background: linear-gradient(rgb(0 0 0 / 83%), rgb(0 0 0 / 83%)),
         url('/dine360_dashboard/static/src/img/dashboard_bg.png') no-repeat center center !important;
     background-size: cover !important;
     background-attachment: fixed !important;
diff --git a/addons/dine360_kds/models/pos_order_line.py b/addons/dine360_kds/models/pos_order_line.py
index 768f859..1dc6d94 100644
--- a/addons/dine360_kds/models/pos_order_line.py
+++ b/addons/dine360_kds/models/pos_order_line.py
@@ -82,10 +82,29 @@ class PosOrderLine(models.Model):
     def create(self, vals_list):
         """Override create to send notifications to KDS when new orders are added"""
         lines = super(PosOrderLine, self).create(vals_list)
-        # Send notification to KDS backend for real-time updates
-        lines._notify_kds()
+        # Send notification to KDS backend only for new items (waiting status)
+        waiting_lines = lines.filtered(lambda l: l.preparation_status == 'waiting')
+        if waiting_lines:
+            waiting_lines._notify_kds()
         return lines
 
+    def write(self, vals):
+        """Prevent resetting 'served' or 'ready' status back to 'waiting' during POS sync"""
+        if 'preparation_status' in vals and vals['preparation_status'] == 'waiting':
+            for line in self:
+                if line.preparation_status in ['served', 'ready', 'preparing']:
+                    # Keep the current status if it's already being processed or served
+                    actual_vals = vals.copy()
+                    actual_vals['preparation_status'] = line.preparation_status
+                    super(PosOrderLine, line).write(actual_vals)
+            
+            # Handle lines that are actually allowed to be updated to waiting
+            remaining_lines = self.filtered(lambda l: l.preparation_status not in ['served', 'ready', 'preparing'])
+            if remaining_lines:
+                return super(PosOrderLine, remaining_lines).write(vals)
+            return True
+        return super(PosOrderLine, self).write(vals)
+
     def action_start_preparing(self):
         self.write({
             'preparation_status': 'preparing',
@@ -105,3 +124,13 @@ class PosOrderLine(models.Model):
             'preparation_status': 'served'
         })
         self._notify_pos()
+
+class PosOrder(models.Model):
+    _inherit = 'pos.order'
+
+    @api.model
+    def _prepare_order_line_vals(self, line, session_id=None):
+        res = super()._prepare_order_line_vals(line, session_id)
+        if 'preparation_status' in line:
+            res['preparation_status'] = line['preparation_status']
+        return res
diff --git a/addons/dine360_kds/static/src/js/pos_kds.js b/addons/dine360_kds/static/src/js/pos_kds.js
index 1721fe0..cb103ca 100644
--- a/addons/dine360_kds/static/src/js/pos_kds.js
+++ b/addons/dine360_kds/static/src/js/pos_kds.js
@@ -13,9 +13,13 @@ console.log("[KDS] Imports successful");
 
 // Patch Orderline model
 patch(Orderline.prototype, {
-    setup() {
+    setup(attr) {
         super.setup(...arguments);
-        this.preparation_status = this.preparation_status || 'waiting';
+        if (attr && attr.preparation_status) {
+            this.preparation_status = attr.preparation_status;
+        } else if (!this.preparation_status) {
+            this.preparation_status = 'waiting';
+        }
     },
 
     init_from_JSON(json) {