[IMP] estate: Created estate_account module and generate invoices on sale

Chapter 13 : Create estate_account link module to connect estate and account
Extend property sold action to create a customer invoice
Add invoice lines for commission and administrative fees on sale

Author: haman-odoo

estate/models/estate_property_offer.py

@@ -54,7 +54,7 @@ def _inverse_date_deadline(self):
     def action_accept(self):
         for offer in self:
             if offer.property_id.buyer_id:
-                raise UserError('Only one offer can be accepted for a property.')
+                raise exceptions.UserError(_('Only one offer can be accepted for a property.'))
             offer.status = 'accepted'
             offer.property_id.selling_price = offer.price
             offer.property_id.buyer_id = offer.partner_id

estate/models/res_users.py

@@ -1,5 +1,6 @@
 from odoo import models, fields
 
+
 class ResUsers(models.Model):
     _inherit = "res.users"
 

estate_account/__init__.py

@@ -0,0 +1 @@
+from . import models

estate_account/__manifest__.py

@@ -0,0 +1,10 @@
+{
+    "name": "Estate Account",
+    "description": "Link real estate properties with invoicing",
+    "version": "1.0",
+    "category": "Real Estate",
+    "depends": ["estate", "account"],
+    "author": "Harsh Maniya",
+    "license": "LGPL-3",
+    "data": [],
+}

estate_account/models/__init__.py

@@ -0,0 +1 @@
+from . import estate_property

estate_account/models/estate_property.py

@@ -0,0 +1,30 @@
+from odoo import models, Command
+
+
+class EstateProperty(models.Model):
+    _inherit = "estate.property"
+
+    def action_set_sold(self):
+        self.env["account.move"].create(
+            {
+                "move_type": "out_invoice",
+                "partner_id": self.buyer_id.id,
+                "invoice_line_ids": [
+                    Command.create(
+                        {
+                            "name": "6% of selling price",
+                            "quantity": 1,
+                            "price_unit": self.selling_price * 0.6,
+                        }
+                    ),
+                    Command.create(
+                        {
+                            "name": "Administrative fees",
+                            "quantity": 1,
+                            "price_unit": 100.0,
+                        }
+                    ),
+                ],
+            }
+        )
+        return super().action_set_sold()