[IMP] estate: Added Action button in Property and Offer Model

In estate.property model added the action button
1. to cancel the property advertisement
2. to mark the property sold

In estate.offer model added the action button
1. to accept the offer for the particular property
2. to refuse the offer for the particular property
3. set buyer and selling price, when any offer is accepted

Chapter 9

Author: shsak-odoo

estate/models/estate_property.py

@@ -1,4 +1,4 @@
-from odoo import models, fields, api
+from odoo import models, fields, api, exceptions
 
 
 class EstateProperty(models.Model):
@@ -58,3 +58,19 @@ def _onchange_garden(self):
         else:
             self.garden_orientation = None
             self.garden_area = 0
+
+    def cancel_property_sale(self):
+        for record in self:
+            if record.state == 'sold':
+                raise exceptions.UserError('A sold property cannot be cancelled')
+            else:
+                record.state = 'cancelled'
+        return True
+    
+    def set_property_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise exceptions.UserError('A cancelled property cannot be Sold')
+            else:
+                record.state = 'sold'
+        return True

estate/models/estate_property_offer.py

@@ -1,4 +1,4 @@
-from odoo import models, fields, api
+from odoo import models, fields, api, exceptions
 
 
 class EstatePropertyOffer(models.Model):
@@ -27,3 +27,19 @@ def _compute_offer_date_deadline(self):
     def _inverse_offer_date_deadline(self):
         for record in self:
             record.validity = (record.date_deadline - record.create_date.date()).days
+
+    def action_offer_accepted(self):
+        for record in self:
+            if record.status == 'accepted':
+                return False
+            if record.property_id.buyer:
+                raise exceptions.UserError('An another offer is already accepted')
+            record.property_id.selling_price = record.price
+            record.property_id.buyer = record.partner_id
+            record.status = 'accepted'
+        return True
+
+    def action_offer_refused(self):
+        for record in self:
+            record.status = 'refused'
+        return True

estate/views/estate_property_offer_views.xml

@@ -8,6 +8,8 @@
                 <field name="partner_id" string="Partner" />
                 <field name="validity" string="Validity (days)" />
                 <field name="date_deadline" />
+                <button name="action_offer_accepted" string="Accept" type="object" icon="fa-check"/>
+                <button name="action_offer_refused" string="Refuse" type="object" icon="fa-close" />
                 <field name="status" />
             </list>
         </field>

estate/views/estate_property_views.xml

@@ -4,6 +4,12 @@
         <field name="model">estate_property</field>
         <field name="arch" type="xml">
             <form string="Description">
+                <haeder>
+                    <group col="2">
+                        <button type="object" name="cancel_property_sale" string="Cancel" />
+                        <button type="object" name="set_property_sold" string="Sold" />
+                    </group>
+                </haeder>
                 <sheet>
                     <h1>
                         <field name="name" nolabel="True" />