[IMP] hw_drivers: Dual customer display

Customer displays were all using the same URL and therefore could only
show the same products. We now use different URLs per screen.

Two screens connected to the same IoT Box can now display customer
displays from different POS.

closes odoo/odoo#40427

Taskid: 2123511
Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>

addons/hw_drivers/drivers/DisplayDriver.py

@@ -71,7 +71,7 @@ class DisplayDriver(Driver):
     def run(self):
         while self.device_identifier != 'distant_display':
             time.sleep(60)
-            if self.url != 'http://localhost:8069/point_of_sale/display/':
+            if self.url != 'http://localhost:8069/point_of_sale/display/' + self.device_identifier:
                 # Refresh the page every minute
                 self.call_xdotools('F5')
 
@@ -80,7 +80,7 @@ class DisplayDriver(Driver):
         os.environ['XAUTHORITY'] = '/run/lightdm/pi/xauthority'
         firefox_env = os.environ.copy()
         firefox_env['HOME'] = '/tmp/' + self._x_screen
-        self.url = url or 'http://localhost:8069/point_of_sale/display/'
+        self.url = url or 'http://localhost:8069/point_of_sale/display/' + self.device_identifier
         new_window = subprocess.call(['xdotool', 'search', '--onlyvisible', '--screen', self._x_screen, '--class', 'Firefox'])
         subprocess.Popen(['firefox', self.url], env=firefox_env)
         if new_window:
@@ -169,9 +169,13 @@ class DisplayController(http.Controller):
             return {'status': 'OWNER'}
         return {'status': 'NOWNER'}
 
-    @http.route(['/point_of_sale/get_serialized_order'], type='json', auth='none')
-    def get_serialized_order(self):
-        display = DisplayDriver.get_default_display()
+    @http.route(['/point_of_sale/get_serialized_order', '/point_of_sale/get_serialized_order/<string:display_identifier>'], type='json', auth='none')
+    def get_serialized_order(self, display_identifier=None):
+        if display_identifier:
+            display = iot_devices.get(display_identifier)
+        else:
+            display = DisplayDriver.get_default_display()
+
         if display:
             return display.get_serialized_order()
         return {
@@ -179,8 +183,8 @@ class DisplayController(http.Controller):
             'error': "No display found",
         }
 
-    @http.route(['/point_of_sale/display'], type='http', auth='none')
-    def display(self):
+    @http.route(['/point_of_sale/display', '/point_of_sale/display/<string:display_identifier>'], type='http', auth='none')
+    def display(self, display_identifier=None):
         cust_js = None
         interfaces = ni.interfaces()
 
@@ -200,9 +204,13 @@ class DisplayController(http.Controller):
                             'icon': 'sitemap' if 'eth' in iface_id else 'wifi',
                         })
 
+        if not display_identifier:
+            display_identifier = DisplayDriver.get_default_display().device_identifier
+
         return pos_display_template.render({
             'title': "Odoo -- Point of Sale",
             'breadcrumb': 'POS Client display',
             'cust_js': cust_js,
             'display_ifaces': display_ifaces,
+            'display_identifier': display_identifier,
         })

addons/hw_drivers/static/src/js/worker.js

@@ -8,7 +8,7 @@
         function longpolling() {
             $.ajax({
                 type: 'POST',
-                url: window.location.origin+'/point_of_sale/get_serialized_order',
+                url: window.location.origin + '/point_of_sale/get_serialized_order/' + display_identifier,
                 dataType: 'json',
                 beforeSend: function(xhr){xhr.setRequestHeader('Content-Type', 'application/json');},
                 data: JSON.stringify({jsonrpc: '2.0'}),

addons/hw_drivers/views/pos_display.html

@@ -9,6 +9,7 @@
         <script class="origin" type="text/javascript" src="/web/static/lib/bootstrap/js/bootstrap.min.js"></script>
         <link rel="stylesheet" type="text/css" href="/web/static/lib/fontawesome/css/font-awesome.css"/>
         <script type="text/javascript" class="origin">
+            var display_identifier = '{{ display_identifier }}';
             {{ cust_js|safe }}
         </script>
         <style class="origin">