[ADD] estate_account: create customer invoice when property is sold

Create a link module between estate and account.
Extend estate.property action_sold to generate a customer invoice
with two invoice lines:
• 6% commission on selling price
• Fixed administrative fee of 100.00

Author: snrav-odoo

estate/models/estate_property.py

@@ -88,15 +88,13 @@ def action_sold_property(self):
                 raise exceptions.UserError("Properties which are Cancelled 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("Properties which are Sold cannot be Cancelled")
             else:
                 record.state = "cancelled"
-        return True
 
     @api.constrains("selling_price", "expected_price")
     def _check_selling_price_percentage_criteria(self):

estate/models/estate_property_offer.py

@@ -40,14 +40,12 @@ def action_accept(self):
             record.property_id.state = "offer_accepted"
             record.property_id.selling_price = record.price
             record.property_id.customer = record.partner_id
-        return True
 
     def action_refuse(self):
         for record in self:
             record.status = "refused"
             record.property_id.selling_price = 0.00
             record.property_id.customer = None
-        return True
 
     @api.model
     def create(self, vals):

estate/views/estate_property_views.xml

@@ -4,7 +4,7 @@
 		<field name="name">estate.property.list</field>
 		<field name="model">estate.property</field>
 		<field name="arch" type="xml">
-			<list string="Properties" decoration-success="state in ('offer_accepted')" decoration-bf="state in ('offer_accepted')" decoration-muted="state in ('sold')">
+			<list string="Properties" decoration-success="state in ('offer_accepted', 'offer_received')" decoration-bf="state in ('offer_accepted')" decoration-muted="state in ('sold')">
 				<field name="name" string="Title"/>
 				<field name="property_type_id"/>
 				<field name="postcode"/>
@@ -88,7 +88,7 @@
 				<field name="postcode" />
 				<field name="expected_price" />
 				<field name="bedrooms" />
-				<field name="living_area" string="Living Area (sqm)" />
+				<field name="living_area" string="Living Area (sqm)"  filter_domain="[('living_area', '&gt;=', self)]" />
 				<field name="facades" />
 				<filter string="Available" name="available" domain="[('state', '=', 'new')]"/>
 				<filter string="Archived" name="inactive" domain="[('active', '=', False)]"/>

estate_account/__init__.py

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

estate_account/__manifest__.py

@@ -0,0 +1,10 @@
+{
+    "name": "Estate Account",
+    "description": "Estate Account",
+    "version": "1.0",
+    "depends": ["estate", "account"],
+    "author": "snrav-odoo",
+    "category": "Category",
+    "license": "LGPL-3",
+    "data": [],
+}

estate_account/models/__init__.py

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

estate_account/models/estate_property.py

@@ -0,0 +1,29 @@
+from odoo import models, Command
+
+
+class EstateProperty(models.Model):
+    _inherit = 'estate.property'
+
+    def action_sold_property(self):
+            self.env["account.move"].create(
+                {
+                    "partner_id": self.customer.id,
+                    "move_type": "out_invoice",
+                    "invoice_line_ids": [
+                        Command.create(
+                            {
+                                "name": self.name,
+                                "quantity": 1,
+                                "price_unit": self.selling_price * 0.6
+                            }),
+                        Command.create(
+                            {
+                                "name": "Administrative fees",
+                                "quantity": 1,
+                                "price_unit": 100
+                            }
+                        )
+                    ],
+                }
+            )
+            return super().action_sold_property()