From 18ca5045b61c06ea8890f71d68e9350929df19bc Mon Sep 17 00:00:00 2001
From: "Cyril Moreau (cymo)" <cyril.moreau07@proton.me>
Date: Mon, 16 Feb 2026 14:10:36 +0100
Subject: [PATCH 1/7] [ADD] estate: Create Real Estate module manifest

---
 estate/__init__.py     |  0
 estate/__manifest__.py | 10 ++++++++++
 2 files changed, 10 insertions(+)
 create mode 100644 estate/__init__.py
 create mode 100644 estate/__manifest__.py

diff --git a/estate/__init__.py b/estate/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/estate/__manifest__.py b/estate/__manifest__.py
new file mode 100644
index 00000000000..18fb9fb74ae
--- /dev/null
+++ b/estate/__manifest__.py
@@ -0,0 +1,10 @@
+{ 
+    'name': 'Real Estate',
+    'author': 'test :)',
+    'depends': [
+        'base',
+    ],
+    'installable': True,
+    'application': True,
+    'auto_install': False
+}
\ No newline at end of file

From 427542d5c8a7264a8443f64c25b93f8aff9c93ca Mon Sep 17 00:00:00 2001
From: "Cyril Moreau (cymo)" <cyril.moreau07@proton.me>
Date: Mon, 16 Feb 2026 15:39:55 +0100
Subject: [PATCH 2/7] [IMP] estate: create estate_property model add basic
 fields. \n Chapter 3 - Server framework 101

---
 estate/__init__.py               |  1 +
 estate/models/__init__.py        |  1 +
 estate/models/estate_property.py | 21 +++++++++++++++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 estate/models/__init__.py
 create mode 100644 estate/models/estate_property.py

diff --git a/estate/__init__.py b/estate/__init__.py
index e69de29bb2d..9a7e03eded3 100644
--- a/estate/__init__.py
+++ b/estate/__init__.py
@@ -0,0 +1 @@
+from . import models
\ No newline at end of file
diff --git a/estate/models/__init__.py b/estate/models/__init__.py
new file mode 100644
index 00000000000..f4c8fd6db6d
--- /dev/null
+++ b/estate/models/__init__.py
@@ -0,0 +1 @@
+from . import estate_property
\ No newline at end of file
diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
new file mode 100644
index 00000000000..9dfbe7328bb
--- /dev/null
+++ b/estate/models/estate_property.py
@@ -0,0 +1,21 @@
+from odoo import models, fields
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Handle real estate property"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date()
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float()
+    bedrooms = fields.Integer()
+    living_area = fields.Integer()
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        selection=[('north', 'North'), ('south', 'South'), ('east', 'East'), ('west', 'West')],
+    )

From a1468e327a18ebd0ca0c3f5fe5e7e5ca1bc9df38 Mon Sep 17 00:00:00 2001
From: "Cyril Moreau (cymo)" <cyril.moreau07@proton.me>
Date: Mon, 16 Feb 2026 17:29:31 +0100
Subject: [PATCH 3/7] [IMP] estate: Create access rights for estate property.

Chapter 4 - Security
---
 estate/__manifest__.py              | 3 +++
 estate/security/ir.model.access.csv | 2 ++
 2 files changed, 5 insertions(+)
 create mode 100644 estate/security/ir.model.access.csv

diff --git a/estate/__manifest__.py b/estate/__manifest__.py
index 18fb9fb74ae..92f3791623d 100644
--- a/estate/__manifest__.py
+++ b/estate/__manifest__.py
@@ -4,6 +4,9 @@
     'depends': [
         'base',
     ],
+    'data': [
+        'security/ir.model.access.csv',
+    ],
     'installable': True,
     'application': True,
     'auto_install': False
diff --git a/estate/security/ir.model.access.csv b/estate/security/ir.model.access.csv
new file mode 100644
index 00000000000..976b61e8cb3
--- /dev/null
+++ b/estate/security/ir.model.access.csv
@@ -0,0 +1,2 @@
+id,name,model_id/id,group_id/id,perm_read,perm_write,perm_create,perm_unlink
+access_estate_property,access_estate_property,model_estate_property,base.group_user,1,1,1,1
\ No newline at end of file

From 2aa5be2422395f159654727ddf3f7fbee0531429 Mon Sep 17 00:00:00 2001
From: "Cyril Moreau (cymo)" <cyril.moreau07@proton.me>
Date: Tue, 17 Feb 2026 10:47:52 +0100
Subject: [PATCH 4/7] [IMP] estate: Default menus and form view for estate
 properties.

Chapter 5 - Finally, Some UI To Play With
---
 estate/__manifest__.py                 |  4 +++-
 estate/models/estate_property.py       | 18 +++++++++++++++---
 estate/views/estate_menus.xml          |  8 ++++++++
 estate/views/estate_property_views.xml |  8 ++++++++
 4 files changed, 34 insertions(+), 4 deletions(-)
 create mode 100644 estate/views/estate_menus.xml
 create mode 100644 estate/views/estate_property_views.xml

diff --git a/estate/__manifest__.py b/estate/__manifest__.py
index 92f3791623d..5daa0ba363d 100644
--- a/estate/__manifest__.py
+++ b/estate/__manifest__.py
@@ -1,11 +1,13 @@
 { 
     'name': 'Real Estate',
-    'author': 'test :)',
+    'author': 'Odoo S.A.',
     'depends': [
         'base',
     ],
     'data': [
         'security/ir.model.access.csv',
+        'views/estate_property_views.xml',
+        'views/estate_menus.xml'
     ],
     'installable': True,
     'application': True,
diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
index 9dfbe7328bb..d0cd90df82d 100644
--- a/estate/models/estate_property.py
+++ b/estate/models/estate_property.py
@@ -1,5 +1,8 @@
+from dateutil.relativedelta import relativedelta
+
 from odoo import models, fields
 
+
 class EstateProperty(models.Model):
     _name = "estate.property"
     _description = "Handle real estate property"
@@ -7,10 +10,10 @@ class EstateProperty(models.Model):
     name = fields.Char(required=True)
     description = fields.Text()
     postcode = fields.Char()
-    date_availability = fields.Date()
+    date_availability = fields.Date(copy=False, default=fields.Date.today()+ relativedelta(months=3))
     expected_price = fields.Float(required=True)
-    selling_price = fields.Float()
-    bedrooms = fields.Integer()
+    selling_price = fields.Float(readonly=True, copy=False)
+    bedrooms = fields.Integer(default=2)
     living_area = fields.Integer()
     facades = fields.Integer()
     garage = fields.Boolean()
@@ -19,3 +22,12 @@ class EstateProperty(models.Model):
     garden_orientation = fields.Selection(
         selection=[('north', 'North'), ('south', 'South'), ('east', 'East'), ('west', 'West')],
     )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        string = 'Status',
+        selection=[('new', 'New'), ('offer_received', 'Offer Received'), 
+                    ('offer_accepted', 'Offer accepted'), ('sold', 'Sold'), ('cancelled', 'Cancelled')],
+        required = True,
+        copy=False,
+        default='new'
+    )
diff --git a/estate/views/estate_menus.xml b/estate/views/estate_menus.xml
new file mode 100644
index 00000000000..7ba49854a57
--- /dev/null
+++ b/estate/views/estate_menus.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_menu_advertisements" name="Advertisements">
+            <menuitem id="estate_menu_action" action="estate_property_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
new file mode 100644
index 00000000000..1d2a3aaa4cd
--- /dev/null
+++ b/estate/views/estate_property_views.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_action" model="ir.actions.act_window">
+        <field name="name">Properties</field>
+        <field name="res_model">estate.property</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>

From f7c4353d396dc68cc972c8e7fb928c617318f986 Mon Sep 17 00:00:00 2001
From: "Cyril Moreau (cymo)" <cyril.moreau07@proton.me>
Date: Tue, 17 Feb 2026 13:16:41 +0100
Subject: [PATCH 5/7] [IMP] estate: Add list,form and search views for estate
 properties

Chapter 6 - Basic views
---
 estate/models/estate_property.py       | 10 ++--
 estate/views/estate_property_views.xml | 75 ++++++++++++++++++++++++++
 2 files changed, 80 insertions(+), 5 deletions(-)

diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
index d0cd90df82d..4f09e0c6df6 100644
--- a/estate/models/estate_property.py
+++ b/estate/models/estate_property.py
@@ -7,18 +7,18 @@ class EstateProperty(models.Model):
     _name = "estate.property"
     _description = "Handle real estate property"
 
-    name = fields.Char(required=True)
+    name = fields.Char(string='Title', required=True)
     description = fields.Text()
-    postcode = fields.Char()
-    date_availability = fields.Date(copy=False, default=fields.Date.today()+ relativedelta(months=3))
+    postcode = fields.Char(string='Postcode')
+    date_availability = fields.Date(string='Available From', copy=False, default=fields.Date.today()+ relativedelta(months=3))
     expected_price = fields.Float(required=True)
     selling_price = fields.Float(readonly=True, copy=False)
     bedrooms = fields.Integer(default=2)
-    living_area = fields.Integer()
+    living_area = fields.Integer(string='Living Area (sqm)')
     facades = fields.Integer()
     garage = fields.Boolean()
     garden = fields.Boolean()
-    garden_area = fields.Integer()
+    garden_area = fields.Integer(string='Garden Area (sqm)')
     garden_orientation = fields.Selection(
         selection=[('north', 'North'), ('south', 'South'), ('east', 'East'), ('west', 'West')],
     )
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
index 1d2a3aaa4cd..8999c821a2c 100644
--- a/estate/views/estate_property_views.xml
+++ b/estate/views/estate_property_views.xml
@@ -5,4 +5,79 @@
         <field name="res_model">estate.property</field>
         <field name="view_mode">list,form</field>
     </record>
+
+    <record id="estate_property_view_list" model="ir.ui.view">
+        <field name="name">estate.properties.list</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <list string="Estate Properties">
+                <field name="name"/>
+                <field name="postcode"/>
+                <field name="bedrooms"/>
+                <field name="living_area"/>
+                <field name="expected_price"/>
+                <field name="selling_price"/>
+                <field name="date_availability"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_view_form" model="ir.ui.view">
+        <field name="name">estate.properties.view.form</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <form string="Estate Property">
+                <sheet>
+                    <h1><field name="name"/></h1>
+                    <group>
+                        <group>
+                            <field name="postcode"/>
+                            <field name="date_availability"/>
+                        </group>
+                        <group>
+                            <field name="expected_price"/>
+                            <field name="selling_price"/>
+                        </group>
+                    </group>
+                    <notebook>
+                        <page name="Description">
+                            <group>
+                                <field name="description"/>
+                                <field name="bedrooms"/>
+                                <field name="living_area"/>
+                                <field name="facades"/>
+                                <field name="garage"/>
+                                <field name="garden"/>
+                                <field name="garden_area"/>
+                                <field name="garden_orientation"/>
+                            </group>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_view_search" model="ir.ui.view">
+        <field name="name">estate.properties.view.search</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <search string="Properties">
+                <field name="name"/>
+                <field name="postcode"/>
+                <field name="expected_price"/>
+                <field name="bedrooms"/>
+                <field name="living_area"/>
+                <field name="facades"/>
+                <separator/>
+                <filter string="Available" name="available" domain="[('state', 'in', ['new', 'offer_received'])]"/>
+                <group>
+                    <filter string="Postcode" name="group_by_postcode" context="{'group_by':'postcode'}"/>
+                </group>
+            </search>
+
+
+        </field>
+    </record>
+    
 </odoo>

From c2e3f0c76b40594e2c8c967da8b34d7c4d427e49 Mon Sep 17 00:00:00 2001
From: "Cyril Moreau (cymo)" <cyril.moreau07@proton.me>
Date: Tue, 17 Feb 2026 14:25:34 +0100
Subject: [PATCH 6/7] [IMP] estate: Add property types, tags and offers.

Chapter 7 - Relations Between Models
---
 estate/__manifest__.py                       |  5 +++-
 estate/models/__init__.py                    |  5 +++-
 estate/models/estate_property.py             |  6 ++++
 estate/models/estate_property_offer.py       | 12 ++++++++
 estate/models/estate_property_tag.py         |  8 ++++++
 estate/models/estate_property_type.py        |  8 ++++++
 estate/security/ir.model.access.csv          |  5 +++-
 estate/views/estate_menus.xml                |  4 +++
 estate/views/estate_property_offer_views.xml | 30 ++++++++++++++++++++
 estate/views/estate_property_tag_views.xml   | 19 +++++++++++++
 estate/views/estate_property_type_views.xml  | 19 +++++++++++++
 estate/views/estate_property_views.xml       | 16 +++++++++++
 12 files changed, 134 insertions(+), 3 deletions(-)
 create mode 100644 estate/models/estate_property_offer.py
 create mode 100644 estate/models/estate_property_tag.py
 create mode 100644 estate/models/estate_property_type.py
 create mode 100644 estate/views/estate_property_offer_views.xml
 create mode 100644 estate/views/estate_property_tag_views.xml
 create mode 100644 estate/views/estate_property_type_views.xml

diff --git a/estate/__manifest__.py b/estate/__manifest__.py
index 5daa0ba363d..8402c03656c 100644
--- a/estate/__manifest__.py
+++ b/estate/__manifest__.py
@@ -7,9 +7,12 @@
     'data': [
         'security/ir.model.access.csv',
         'views/estate_property_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/estate_property_offer_views.xml',
         'views/estate_menus.xml'
     ],
     'installable': True,
     'application': True,
     'auto_install': False
-}
\ No newline at end of file
+}
diff --git a/estate/models/__init__.py b/estate/models/__init__.py
index f4c8fd6db6d..8f2187ee09e 100644
--- a/estate/models/__init__.py
+++ b/estate/models/__init__.py
@@ -1 +1,4 @@
-from . import estate_property
\ No newline at end of file
+from . import estate_property
+from . import estate_property_offer
+from . import estate_property_tag
+from . import estate_property_type
diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
index 4f09e0c6df6..a1018a7ff6f 100644
--- a/estate/models/estate_property.py
+++ b/estate/models/estate_property.py
@@ -31,3 +31,9 @@ class EstateProperty(models.Model):
         copy=False,
         default='new'
     )
+
+    property_type_id = fields.Many2one('estate.property.type')
+    buyer_id = fields.Many2one('res.partner', copy=False)
+    salesman_id = fields.Many2one('res.users', default=lambda self: self.env.user) 
+    tag_ids = fields.Many2many('estate.property.tag')
+    offer_ids = fields.One2many('estate.property.offer', 'property_id')
diff --git a/estate/models/estate_property_offer.py b/estate/models/estate_property_offer.py
new file mode 100644
index 00000000000..3e1566e2e5a
--- /dev/null
+++ b/estate/models/estate_property_offer.py
@@ -0,0 +1,12 @@
+from odoo import fields, models
+
+
+class EstatePropertyOffer(models.Model):
+    _name = 'estate.property.offer'
+    _description = 'Offer for an estate property'
+
+    price = fields.Float()
+    status = fields.Selection(copy=False, selection=[('accepted', 'Accepted'), ('refused', 'Refused')])
+
+    partner_id = fields.Many2one('res.partner', required=True)
+    property_id = fields.Many2one('estate.property', required=True)
diff --git a/estate/models/estate_property_tag.py b/estate/models/estate_property_tag.py
new file mode 100644
index 00000000000..fef8d256bae
--- /dev/null
+++ b/estate/models/estate_property_tag.py
@@ -0,0 +1,8 @@
+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = 'estate.property.tag'
+    _description = 'Estate Property Tag'
+
+    name = fields.Char(required=True)
diff --git a/estate/models/estate_property_type.py b/estate/models/estate_property_type.py
new file mode 100644
index 00000000000..d2305c70939
--- /dev/null
+++ b/estate/models/estate_property_type.py
@@ -0,0 +1,8 @@
+from odoo import fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = 'estate.property.type'
+    _description = 'Define type of properties'
+
+    name = fields.Char(required=True)
diff --git a/estate/security/ir.model.access.csv b/estate/security/ir.model.access.csv
index 976b61e8cb3..49bca99cac8 100644
--- a/estate/security/ir.model.access.csv
+++ b/estate/security/ir.model.access.csv
@@ -1,2 +1,5 @@
 id,name,model_id/id,group_id/id,perm_read,perm_write,perm_create,perm_unlink
-access_estate_property,access_estate_property,model_estate_property,base.group_user,1,1,1,1
\ No newline at end of file
+access_estate_property,access_estate_property,model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type,access_estate_property_type,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag,access_estate_property_tag,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer,access_estate_property_offer,model_estate_property_offer,base.group_user,1,1,1,1
diff --git a/estate/views/estate_menus.xml b/estate/views/estate_menus.xml
index 7ba49854a57..f9f32a3a7fd 100644
--- a/estate/views/estate_menus.xml
+++ b/estate/views/estate_menus.xml
@@ -4,5 +4,9 @@
         <menuitem id="estate_menu_advertisements" name="Advertisements">
             <menuitem id="estate_menu_action" action="estate_property_action"/>
         </menuitem>
+        <menuitem id="estate_menu_settings" name="Settings">
+            <menuitem id="estate_property_type_menu_action" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_menu_action" action="estate_property_tag_action"/>
+        </menuitem>
     </menuitem>
 </odoo>
diff --git a/estate/views/estate_property_offer_views.xml b/estate/views/estate_property_offer_views.xml
new file mode 100644
index 00000000000..71134f43d8b
--- /dev/null
+++ b/estate/views/estate_property_offer_views.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <data>
+        <record id="estate_property_offer_view_lift" model="ir.ui.view">
+            <field name="name">estate.property.offers.view.list</field>
+            <field name="model">estate.property.offer</field>
+            <field name="arch" type="xml">
+                <list string="Offer" editable="top">
+                    <field name="price"/>
+                    <field name="partner_id"/>
+                    <field name="status"/>
+                </list>
+            </field>
+        </record>
+
+        <record id="estate_property_offer_view_form" model="ir.ui.view">
+            <field name="name">estate.property.offers.view.form</field>
+            <field name="model">estate.property.offer</field>
+            <field name="arch" type="xml">
+                <form string="Offer">
+                    <sheet>
+                        <field name="price"/>
+                        <field name="partner_id"/>
+                        <field name="status"/>
+                    </sheet>
+                </form>
+            </field>
+        </record>
+    </data>
+</odoo>
diff --git a/estate/views/estate_property_tag_views.xml b/estate/views/estate_property_tag_views.xml
new file mode 100644
index 00000000000..01a5e76d1b9
--- /dev/null
+++ b/estate/views/estate_property_tag_views.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<odoo>
+
+    <record id="estate_property_tag_view_list" model="ir.ui.view">
+        <field name="name">estate.property.tag.view.list</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <list string="Property tags" editable="bottom">
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Property Tags</field>
+        <field name="res_model">estate.property.tag</field>
+        <field name="view_mode">list</field>
+    </record>
+</odoo>
diff --git a/estate/views/estate_property_type_views.xml b/estate/views/estate_property_type_views.xml
new file mode 100644
index 00000000000..f1cccd38757
--- /dev/null
+++ b/estate/views/estate_property_type_views.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<odoo>
+
+    <record id="estate_property_type_view_list" model="ir.ui.view">
+        <field name="name">estate.property.type.view.list</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <list string="Property types" editable="bottom">
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_type_action" model="ir.actions.act_window">
+        <field name="name">Property Types</field>
+        <field name="res_model">estate.property.type</field>
+        <field name="view_mode">list</field>
+    </record>
+</odoo>
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
index 8999c821a2c..d98ab48a35e 100644
--- a/estate/views/estate_property_views.xml
+++ b/estate/views/estate_property_views.xml
@@ -12,12 +12,14 @@
         <field name="arch" type="xml">
             <list string="Estate Properties">
                 <field name="name"/>
+                <field name="property_type_id"/>
                 <field name="postcode"/>
                 <field name="bedrooms"/>
                 <field name="living_area"/>
                 <field name="expected_price"/>
                 <field name="selling_price"/>
                 <field name="date_availability"/>
+                <field name="tag_ids" widget="many2many_tags"/>
             </list>
         </field>
     </record>
@@ -29,8 +31,12 @@
             <form string="Estate Property">
                 <sheet>
                     <h1><field name="name"/></h1>
+                    <groupe name="tags">
+                        <field name="tag_ids" widget="many2many_tags"/>
+                    </groupe>
                     <group>
                         <group>
+                            <field name="property_type_id"/>
                             <field name="postcode"/>
                             <field name="date_availability"/>
                         </group>
@@ -52,6 +58,15 @@
                                 <field name="garden_orientation"/>
                             </group>
                         </page>
+                        <page name="Offers">
+                            <field name="offer_ids"/>
+                        </page>
+                        <page name="Other Info">
+                            <group>
+                                <field name="buyer_id"/>
+                                <field name="salesman_id"/>
+                            </group>
+                        </page>
                     </notebook>
                 </sheet>
             </form>
@@ -69,6 +84,7 @@
                 <field name="bedrooms"/>
                 <field name="living_area"/>
                 <field name="facades"/>
+                <field name="property_type_id"/>
                 <separator/>
                 <filter string="Available" name="available" domain="[('state', 'in', ['new', 'offer_received'])]"/>
                 <group>

From 407eb5d8579db7ff9d7b7ee03c2a8b2663f30cb6 Mon Sep 17 00:00:00 2001
From: "Cyril Moreau (cymo)" <cyril.moreau07@proton.me>
Date: Tue, 17 Feb 2026 15:24:07 +0100
Subject: [PATCH 7/7] [IMP] estate: Add total_area, best_price and validity
 date.

Chapter 8 - Computed Fields and Onchanges
---
 estate/models/estate_property.py             | 24 +++++++++++++++++++-
 estate/models/estate_property_offer.py       | 17 +++++++++++++-
 estate/views/estate_property_offer_views.xml |  6 ++++-
 estate/views/estate_property_views.xml       |  2 ++
 4 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
index a1018a7ff6f..c2d5ca0cac7 100644
--- a/estate/models/estate_property.py
+++ b/estate/models/estate_property.py
@@ -1,6 +1,6 @@
 from dateutil.relativedelta import relativedelta
 
-from odoo import models, fields
+from odoo import api, models, fields
 
 
 class EstateProperty(models.Model):
@@ -37,3 +37,25 @@ class EstateProperty(models.Model):
     salesman_id = fields.Many2one('res.users', default=lambda self: self.env.user) 
     tag_ids = fields.Many2many('estate.property.tag')
     offer_ids = fields.One2many('estate.property.offer', 'property_id')
+
+    total_area = fields.Integer(compute="_compute_total_area")
+    best_price = fields.Float(string='Best Offer', compute="_compute_best_price")
+
+    @api.depends('living_area', 'garden_area')
+    def _compute_total_area(self):
+        for line in self:
+            line.total_area = line.living_area + line.garden_area
+
+    @api.depends('offer_ids.price')
+    def _compute_best_price(self):
+        for record in self:
+            record.best_price = max(self.offer_ids.mapped('price'), default=0)
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = 'north'
+        else:
+            self.garden_area = False
+            self.garden_orientation = False
diff --git a/estate/models/estate_property_offer.py b/estate/models/estate_property_offer.py
index 3e1566e2e5a..31705e99203 100644
--- a/estate/models/estate_property_offer.py
+++ b/estate/models/estate_property_offer.py
@@ -1,4 +1,6 @@
-from odoo import fields, models
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
 
 
 class EstatePropertyOffer(models.Model):
@@ -7,6 +9,19 @@ class EstatePropertyOffer(models.Model):
 
     price = fields.Float()
     status = fields.Selection(copy=False, selection=[('accepted', 'Accepted'), ('refused', 'Refused')])
+    validity = fields.Integer(string='Validity (days)', default=7)
+    date_deadline = fields.Date(string='Deadline', compute='_compute_deadline', inverse='_inverse_deadline')
 
     partner_id = fields.Many2one('res.partner', required=True)
     property_id = fields.Many2one('estate.property', required=True)
+
+    @api.depends('validity')
+    def _compute_deadline(self):
+        for record in self:
+            if not record.create_date:
+                record.create_date = fields.Date.today()
+            record.date_deadline = record.create_date + relativedelta(days=record.validity)
+
+    def _inverse_deadline(self):
+        for record in self:
+            record.validity = (record.date_deadline - record.create_date.date()).days
diff --git a/estate/views/estate_property_offer_views.xml b/estate/views/estate_property_offer_views.xml
index 71134f43d8b..9b56f6cb7fc 100644
--- a/estate/views/estate_property_offer_views.xml
+++ b/estate/views/estate_property_offer_views.xml
@@ -5,9 +5,11 @@
             <field name="name">estate.property.offers.view.list</field>
             <field name="model">estate.property.offer</field>
             <field name="arch" type="xml">
-                <list string="Offer" editable="top">
+                <list string="Offer">
                     <field name="price"/>
                     <field name="partner_id"/>
+                    <field name="validity"/>
+                    <field name="date_deadline"/>
                     <field name="status"/>
                 </list>
             </field>
@@ -21,6 +23,8 @@
                     <sheet>
                         <field name="price"/>
                         <field name="partner_id"/>
+                        <field name="validity"/>
+                        <field name="date_deadline"/>
                         <field name="status"/>
                     </sheet>
                 </form>
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
index d98ab48a35e..b7918aaabfe 100644
--- a/estate/views/estate_property_views.xml
+++ b/estate/views/estate_property_views.xml
@@ -42,6 +42,7 @@
                         </group>
                         <group>
                             <field name="expected_price"/>
+                            <field name="best_price"/>
                             <field name="selling_price"/>
                         </group>
                     </group>
@@ -56,6 +57,7 @@
                                 <field name="garden"/>
                                 <field name="garden_area"/>
                                 <field name="garden_orientation"/>
+                                <field name="total_area"/>
                             </group>
                         </page>
                         <page name="Offers">