[IMP] estate : integrate account module to automate invoice creation

Author: hazemayman1

estate_account/__init__.py

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+from . import models

estate_account/__manifest__.py

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+{
+    'name': "Real Estate Account",
+    'summary': "Testing the real estate with the account module",
+    'description': "Testing the description real estate account module",
+    'depends': ['base', 'estate', 'account'],
+    'data': [],
+    'application': True,
+    'author': "Odoo",
+    'license': 'LGPL-3',
+}

estate_account/models/__init__.py

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+from . import estate_property

estate_account/models/estate_property.py

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+from odoo import Command, models
+
+
+class EstateProperty(models.Model):
+    _inherit = 'estate.property'
+
+    def action_mark_as_sold(self):
+        invoice_vals = {
+            'partner_id': self.salesperson_id.id,
+            'move_type': 'out_receipt',
+            'invoice_line_ids': [
+                Command.create(
+                    {'name': 'Administrative Fees', 'quantity': 1, 'price_unit': 100.0}
+                ),
+                Command.create(
+                    {'name': 'Down Payment', 'quantity': 1, 'price_unit': 0.06 * self.selling_price}
+                ),
+            ],
+        }
+        self.env['account.move'].create(invoice_vals)
+        return super().action_mark_as_sold()