[ADD] estate: invoicing (chapter 13)

Author: tskv

estate/__manifest__.py

@@ -3,7 +3,7 @@
     'version': '1.0',
     'depends': ['base'],
     'author': "taskv",
-    'category': 'Category',
+    'category': 'Tutorials',
     'description': """
     Tutorial Project
     """,

estate/models/estate_property.py

@@ -94,13 +94,13 @@ def property_sold(self):
             if record.state != 'cancelled':
                 record.state = 'sold'
             else:
-                raise exceptions.UserError("Sold properties cannot be cancelled.")
+                raise exceptions.UserError("Cancelled properties cannot be sold.")
         return True
 
     def property_cancelled(self):
         for record in self:
             if record.state != 'sold':
                 record.state = 'cancelled'
             else:
-                raise exceptions.UserError("Cancelled properties cannot be sold.")
+                raise exceptions.UserError("Sold properties cannot be cancelled.")
         return True

estate_account/__init__.py

@@ -0,0 +1,3 @@
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from . import models

estate_account/__manifest__.py

@@ -0,0 +1,18 @@
+
+{
+    'name': "Real Estate Invoicing",
+    'version': '1.0',
+    'depends': ['estate', 'account'],
+    'author': "taskv",
+    'category': 'Tutorials',
+    'description': """
+    Tutorial Project
+    """,
+    'data': [
+    ],
+    'demo': [
+    ],
+    'installable': True,
+    'application': True,
+    'license': 'LGPL-3',
+}

estate_account/models/__init__.py

@@ -0,0 +1,3 @@
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from . import estate_property

estate_account/models/estate_property.py

@@ -0,0 +1,31 @@
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import models, Command
+
+
+class EstateProperty(models.Model):
+    _inherit = 'estate.property'
+
+    def property_sold(self):
+        invoice_vals_list = []
+        for record in self:
+            if record.state == 'offer_accepted' and record.buyer_id:
+                invoice_vals = {
+                    'move_type': 'out_invoice',
+                    'partner_id': record.buyer_id.id,
+                    'invoice_line_ids': [
+                        Command.create({
+                            "name": "Commission 6%",
+                            "quantity": 1,
+                            "price_unit": record.selling_price * 0.06,
+                        }),
+                        Command.create({
+                            "name": "Administrative fees",
+                            "quantity": 1,
+                            "price_unit": 100.,
+                        }),
+                    ],
+                }
+                invoice_vals_list.append(invoice_vals)
+        self.env['account.move'].sudo().create(invoice_vals_list)
+        return super().property_sold()