[ADD] estate: added Estate Account Module

created Estate Account module and necessary files.
added invoicing functionality by using inherit method.
added UserError on sold button if no offer are accepted.

Author: danal-odoo

estate/models/estate_property.py

@@ -89,15 +89,15 @@ def _onchange_garden(self):
     def action_sold_property(self):
         for record in self:
             if record.state == "cancelled":
-                raise exceptions.UserError("Cancelled Property cannot be Sold")
+                raise UserError("Cancelled Property cannot be Sold")
             else:
                 record.state = "sold"
         return True
 
     def action_cancel_offer(self):
         for record in self:
             if record.state == "sold":
-                raise exceptions.UserError("Sold Property cannot be Cancelled")
+                raise UserError("Sold Property cannot be Cancelled")
             else:
                 record.state = "cancelled"
         return True

estate_account/__init__.py

@@ -0,0 +1,2 @@
+#!/usr/bin/env python3
+from . import models

estate_account/__manifest__.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+{
+    "name": "Estate Account",
+    "description": """
+    Estate account module to manage Estate Customers and Salesman.
+    """,
+    "version": "1.0",
+    "depends": ["estate", "account"],
+    "author": "danal",
+    "category": "Category",
+    "license": "LGPL-3",
+    "data": [],
+}

estate_account/models/__init__.py

@@ -0,0 +1,2 @@
+#!/usr/bin/env python3
+from . import estate_property

estate_account/models/estate_property.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+from odoo.exceptions import UserError
+
+from odoo import fields, models, Command
+
+
+class EstatePropertyInherit(models.Model):
+    _inherit = "estate.property"
+
+    def action_sold_property(self):
+        for record in self:
+            if record.selling_price == 0:
+                raise UserError("Cannot sell Property without any accepted offer")
+            self.env["account.move"].create(
+                {
+                    "partner_id": self.customer.id,
+                    "move_type": "out_invoice",
+                    "invoice_line_ids": [
+                        Command.create(
+                            {
+                                "name": "6% of the selling price",
+                                "quantity": 1,
+                                "price_unit": record.selling_price * 0.06,
+                            }
+                        ),
+                        Command.create(
+                            {
+                                "name": "an additional 100.00 from administrative fees",
+                                "quantity": 1,
+                                "price_unit": 100,
+                            }
+                        ),
+                    ],
+                }
+            )
+        return super().action_sold_property()