add button bill

sale.py

@@ -18,21 +18,53 @@ class Sale(metaclass=PoolMeta):
         cls._buttons.update({
             'add_pizza': {},
             'kitchen': {},
-            'bar': {}
+            'bar': {},
+            'print_bill': {},
         })
 
+    
     @classmethod
     def default_pizza_number(cls):
         return 0
 
 
+    def report_bill(records):
+        if not records:
+            return
+
+        pool = Pool()
+        ctx = Transaction().context
+        report = records[0]
+        User = pool.get('res.user')
+        data = {}
+        user = User(Transaction().user)
+        data["user"] = user.name
+        data["party"] = report.party.name
+        data["tax_identifier_type"] = report.party.tax_identifier.type_string
+        data["tax_identifier_code"] = report.party.tax_identifier.code
+        data["address"] = report.invoice_address.street
+        data["city"] = report.invoice_address.subdivision_municipality.name
+        data["zone"] = report.zone.name if report.zone else ""
+        data["table"] = report.table.name if report.table else ""
+        data["lines"] = [{'type': line.type,
+                          "product": line.product.name if line.type != 'title' else None,
+                          "quantity": line.quantity if line.type != 'title' else None,
+                          "uom": line.unit.name if line.type != 'title' else None,
+                          "unit_price": line.unit_price if line.type != 'title' else None,
+                          "taxes": line.taxes[0] if line.type != 'title' and line.taxes  else None
+                          } for line in report.lines]
+
     def report_customer_order(records):
         if not records:
             return
 
+        pool = Pool()
         ctx = Transaction().context
         report = records[0]
+        User = pool.get('res.user')
         data = {}
+        user = User(Transaction().user)
+        data["user"] = user.name
         data["party"] = report.party.name
         data["tax_identifier_type"] = report.party.tax_identifier.type_string
         data["tax_identifier_code"] = report.party.tax_identifier.code
@@ -58,7 +90,28 @@ class Sale(metaclass=PoolMeta):
             record.lines += (saleLine(type="title",
                                       description="Pizza Combinada"),)
             record.save()
+
+    @classmethod
+    @ModelView.button
+    def print_bill(cls, records):
+        pool = Pool()
+        context = Transaction().context
+        shop = context['shop']
+        Printer = pool.get('sale.printer')
+        printers = Printer.search([('zone', '=', 'reception'), ('shop', '=', shop)])
+        if not printers:
+            return
+
+        printer = printers[0]
+
+        url = f"http://{printer.api.ip_address}/print_bill"
             
+        customer_order = cls.report_customer_order(records)
+        content = {"content": str(json.dumps(customer_order)), "ip_printer": str(printer.ip_address)}
+        headers = {"accept": 'application/json', 'Content-Type': 'application/json'}
+
+        response = requests.post(url, data=json.dumps(content), headers=headers)
+
     @classmethod
     @ModelView.button
     def kitchen(cls, records):

sale.xml

@@ -32,6 +32,11 @@
         <field name="string">Bar</field>
         <field name="model" search="[('model', '=', 'sale.sale')]"/>
     </record>
+    <record model="ir.model.button" id="sale_print_bill_button">
+        <field name="name">print_bill</field>
+        <field name="string">Bill</field>
+        <field name="model" search="[('model', '=', 'sale.sale')]"/>
+    </record>
     <record model="ir.action.report" id="report_customer_order">
         <field name="name">Customer Order</field>
         <field name="model">sale.sale</field>

view/sale_form.xml

@@ -9,5 +9,6 @@ this repository contains the full copyright notices and license terms. -->
 	<button name="add_pizza"/>
 	<button name="kitchen"/>
 	<button name="bar"/>
+	<button name="print_bill"/>
     </xpath>
 </data>