[IMP] estate: implement offer acceptance and refusal actions, and add property sold/canceled state management

Author: Sylsee

estate/models/estate_property.py

@@ -1,4 +1,5 @@
 from odoo import api, fields, models
+from odoo.exceptions import UserError
 
 
 class EstateProperty(models.Model):
@@ -39,7 +40,7 @@ class EstateProperty(models.Model):
             ('offer_received', 'Offer Received'),
             ('offer_accepted', 'Offer Accepted'),
             ('sold', 'Sold'),
-            ('cancelled', 'Cancelled'),
+            ('canceled', 'Canceled'),
         ],
         required=True,
         copy=False,
@@ -77,4 +78,18 @@ def _onchange_garden(self):
             self.garden_orientation = 'north'
         else:
             self.garden_area = 0
-            self.garden_orientation = ''
+            self.garden_orientation = False
+
+    def action_set_property_as_sold(self):
+        for property in self:
+            if property.state == 'canceled':
+                raise UserError('Canceled properties cannot be sold.')
+            property.state = 'sold'
+        return True
+
+    def action_set_property_as_canceled(self):
+        for property in self:
+            if property.state == 'sold':
+                raise UserError('Sold properties cannot be canceled.')
+            property.state = 'canceled'
+        return True

estate/models/estate_property_offer.py

@@ -1,4 +1,5 @@
 from odoo import api, fields, models
+from odoo.exceptions import UserError
 from odoo.tools import date_utils
 
 
@@ -34,3 +35,20 @@ def _inverse_date_deadline(self):
             offer.validity = (
                 offer.date_deadline - (offer.create_date.date() or fields.Date.today())
             ).days
+
+    def action_accept(self):
+        for offer in self:
+            other_offers = offer.property_id.offer_ids - offer
+            if any(other_offers.filtered(lambda o: o.status == 'accepted')):
+                raise UserError('An offer has already been accepted.')
+
+            offer.status = 'accepted'
+            offer.property_id.state = 'offer_accepted'
+            offer.property_id.buyer = offer.partner_id
+            offer.property_id.selling_price = offer.price
+        return True
+
+    def action_refuse(self):
+        for offer in self:
+            offer.status = 'refused'
+        return True

estate/views/estate_property_offer_views.xml

@@ -27,6 +27,8 @@
                 <field name="partner_id" />
                 <field name="validity" />
                 <field name="date_deadline" />
+                <button name="action_accept" type="object" icon="fa-check" title="Accept" />
+                <button name="action_refuse" type="object" icon="fa-times" title="Refuse" />
                 <field name="status" />
             </list>
         </field>

estate/views/estate_property_views.xml

@@ -25,6 +25,10 @@
         <field name="model">estate.property</field>
         <field name="arch" type="xml">
             <form string="Property">
+                <header>
+                    <button name='action_set_property_as_sold' type='object' string='Sold' />
+                    <button name='action_set_property_as_canceled' type='object' string='Cancel' />
+                </header>
                 <sheet>
                     <div class="oe_title mb-4">
                         <h1>