From c5a4a938073fcacaaaadccbca7f874b7495473a5 Mon Sep 17 00:00:00 2001
From: Mark Orban <markorban1111@gmail.com>
Date: Tue, 19 May 2026 13:37:20 +0200
Subject: [PATCH 1/8] Server FW Tutorial Chapters 1, 2 & 3

---
 estate/__init__.py               |  1 +
 estate/__manifest__.py           |  7 +++++++
 estate/models/__init__.py        |  1 +
 estate/models/estate_property.py | 23 +++++++++++++++++++++++
 4 files changed, 32 insertions(+)
 create mode 100644 estate/__init__.py
 create mode 100644 estate/__manifest__.py
 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
new file mode 100644
index 00000000000..9a7e03eded3
--- /dev/null
+++ b/estate/__init__.py
@@ -0,0 +1 @@
+from . import models
\ No newline at end of file
diff --git a/estate/__manifest__.py b/estate/__manifest__.py
new file mode 100644
index 00000000000..dac861a9c12
--- /dev/null
+++ b/estate/__manifest__.py
@@ -0,0 +1,7 @@
+{
+    'name': 'Real Estate',
+    'depends': [
+        'base',
+    ],
+    'application': True,
+}
\ 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..7c10f24bb79
--- /dev/null
+++ b/estate/models/estate_property.py
@@ -0,0 +1,23 @@
+from odoo import models, fields
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property Model"
+
+    name = fields.Char(
+        string = "Property Name",
+        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(
+        string = "Orientation",
+        selection = [("north","North"), ("east", "East"), ("south", "South"), ("west", "West")])

From 57ae3e58c2b792c7ab8ff1cec1d28629dcb29d7c Mon Sep 17 00:00:00 2001
From: Mark Orban <markorban1111@gmail.com>
Date: Tue, 19 May 2026 14:32:46 +0200
Subject: [PATCH 2/8] Server FW 101 Chapter 4

---
 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 dac861a9c12..f9063d86e58 100644
--- a/estate/__manifest__.py
+++ b/estate/__manifest__.py
@@ -4,4 +4,7 @@
         'base',
     ],
     'application': True,
+    'data' : [
+        'security/ir.model.access.csv',
+    ]
 }
\ No newline at end of file
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 4944851f71d883088b8f7f82171d03b0da156026 Mon Sep 17 00:00:00 2001
From: Mark Orban <markorban1111@gmail.com>
Date: Tue, 19 May 2026 16:12:47 +0200
Subject: [PATCH 3/8] Server FW Chapter 5

---
 estate/__manifest__.py                 |  2 ++
 estate/models/estate_property.py       | 14 +++++++++++---
 estate/views/estate_menus.xml          |  8 ++++++++
 estate/views/estate_property_views.xml |  8 ++++++++
 4 files changed, 29 insertions(+), 3 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 f9063d86e58..186a6acd33b 100644
--- a/estate/__manifest__.py
+++ b/estate/__manifest__.py
@@ -6,5 +6,7 @@
     'application': True,
     'data' : [
         'security/ir.model.access.csv',
+        'views/estate_property_views.xml',
+        'views/estate_menus.xml',
     ]
 }
\ No newline at end of file
diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
index 7c10f24bb79..4c1a847fa86 100644
--- a/estate/models/estate_property.py
+++ b/estate/models/estate_property.py
@@ -9,10 +9,10 @@ class EstateProperty(models.Model):
         required = True)
     description = fields.Text()
     postcode = fields.Char()
-    date_availability = fields.Date()
+    date_availability = fields.Date(copy = False, default = fields.Date.today().replace(month=(fields.Date.today().month + 3) % 12))
     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()
@@ -21,3 +21,11 @@ class EstateProperty(models.Model):
     garden_orientation = fields.Selection(
         string = "Orientation",
         selection = [("north","North"), ("east", "East"), ("south", "South"), ("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")],
+        default = "new",
+        required = True,
+        copy = False
+    )
diff --git a/estate/views/estate_menus.xml b/estate/views/estate_menus.xml
new file mode 100644
index 00000000000..7904676252c
--- /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_first_level_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" name="Properties" action="estate_property_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>
\ No newline at end of file
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
new file mode 100644
index 00000000000..cf16f4f259c
--- /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">Estate Property Action</field>
+        <field name="res_model">estate.property</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>
\ No newline at end of file

From 90025c95dbbe31572ff36fbf3f4285df31d248e3 Mon Sep 17 00:00:00 2001
From: Mark Orban <markorban1111@gmail.com>
Date: Wed, 20 May 2026 12:57:06 +0200
Subject: [PATCH 4/8] Server FW 101 Chapter 6

---
 estate/views/estate_property_views.xml | 77 +++++++++++++++++++++++++-
 1 file changed, 76 insertions(+), 1 deletion(-)

diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
index cf16f4f259c..d8c92136571 100644
--- a/estate/views/estate_property_views.xml
+++ b/estate/views/estate_property_views.xml
@@ -1,7 +1,82 @@
 <?xml version="1.0"?>
 <odoo>
+
+    <record id="estate_property_view_search" model="ir.ui.view">
+        <field name="name">estate.property.search</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <search>
+                <field name="name" string="Title"/>
+                <field name="postcode"/>
+                <field name="expected_price" string="Expected Price"/>
+                <field name="bedrooms"/>
+                <field name="living_area" string="Living Area (sqm)"/>
+                <field name="facades"/>
+                
+                <filter name="available_filter" string="Available" domain="['|',('state', 'ilike', 'new'), ('state', 'ilike', 'offer_received')]"/>
+                <filter name="groupby_postcode" string="Postcode" context="{'group_by': 'postcode'}"/>
+            </search>
+        </field>
+    </record>
+
+    <record id="estate_property_view_form" model="ir.ui.view">
+        <field name="name">estate.property.form</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group colspan="2">
+                        <h1><field name="name"/></h1>
+                    </group>
+                    <group>
+                        <group>
+                            <field name="postcode"/>
+                            <field name="date_availability" string="Available From"/>
+                            <field name="state" string="Status"/>
+                        </group>
+                        <group>
+                            <field name="expected_price"/>
+                            <field name="selling_price"/>
+                        </group>
+                    </group>
+                    <notebook>
+                        <page string="Description">
+                            <group>
+                                <field name="description"/>
+                                <field name="bedrooms"/>
+                                <field name="living_area" string="Living Area (sqm)"/>
+                                <field name="facades"/>
+                                <field name="garage"/>
+                                <field name="garden"/>
+                                <field name="garden_area" string="Garden Area (sqm)"/>
+                                <field name="garden_orientation" string="Garden Orientation"/>
+                            </group>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_view_list" model="ir.ui.view">
+        <field name="name">estate.property.list</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <list string="Properties">
+                <field name="name" string="Title"/>
+                <field name="postcode" string="Postcode"/>
+                <field name="state" string="Status"/>
+                <field name="bedrooms" string="Bedrooms"/>
+                <field name="living_area" string="Living Area (sqm)"/>
+                <field name="expected_price" string="Expected Price"/>
+                <field name="selling_price" string="Selling Price"/>
+                <field name="date_availability" string="Available From"/>
+            </list>
+        </field>
+    </record>
+    
     <record id="estate_property_action" model="ir.actions.act_window">
-        <field name="name">Estate Property Action</field>
+        <field name="name">Properties</field>
         <field name="res_model">estate.property</field>
         <field name="view_mode">list,form</field>
     </record>

From 55faeb615d3bde44aceee3f6d8f9853fad197438 Mon Sep 17 00:00:00 2001
From: Mark Orban <markorban1111@gmail.com>
Date: Wed, 20 May 2026 15:48:00 +0200
Subject: [PATCH 5/8] Server FW 101 Chapter 7

---
 estate/__manifest__.py                       |  3 ++
 estate/models/__init__.py                    |  5 ++-
 estate/models/estate_property.py             |  5 +++
 estate/models/estate_property_offer.py       | 14 +++++++++
 estate/models/estate_property_tag.py         |  9 ++++++
 estate/models/estate_property_type.py        |  9 ++++++
 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   | 32 ++++++++++++++++++++
 estate/views/estate_property_type_views.xml  | 32 ++++++++++++++++++++
 estate/views/estate_property_views.xml       | 22 ++++++++++++--
 12 files changed, 166 insertions(+), 4 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 186a6acd33b..f4fae247aae 100644
--- a/estate/__manifest__.py
+++ b/estate/__manifest__.py
@@ -5,8 +5,11 @@
     ],
     'application': True,
     'data' : [
+        'views/estate_property_offer_views.xml',
         'security/ir.model.access.csv',
         'views/estate_property_views.xml',
         'views/estate_menus.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_tag_views.xml',
     ]
 }
\ No newline at end of file
diff --git a/estate/models/__init__.py b/estate/models/__init__.py
index f4c8fd6db6d..09b2099fe84 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_type
+from . import estate_property_tag
+from . import estate_property_offer
\ No newline at end of file
diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
index 4c1a847fa86..3d15cdcce31 100644
--- a/estate/models/estate_property.py
+++ b/estate/models/estate_property.py
@@ -29,3 +29,8 @@ class EstateProperty(models.Model):
         required = True,
         copy = False
     )
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    salesperson_id = fields.Many2one("res.users", string="Salesperson", default=lambda self: self.env.user)
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags", copy=False)
+    offer_ids = fields.One2many("estate.property.offer", "property_id", copy=False)
diff --git a/estate/models/estate_property_offer.py b/estate/models/estate_property_offer.py
new file mode 100644
index 00000000000..7b72bedfe4a
--- /dev/null
+++ b/estate/models/estate_property_offer.py
@@ -0,0 +1,14 @@
+from odoo import models, fields
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer Model"
+
+    price = fields.Float()
+    status = fields.Selection(
+        string = "Status",
+        selection = [("accepted", "Accepted"), ("refused", "Refused")],
+        copy = False
+    )
+    partner_id = fields.Many2one("res.partner", required = True)
+    property_id = fields.Many2one("estate.property", required = True)
\ No newline at end of file
diff --git a/estate/models/estate_property_tag.py b/estate/models/estate_property_tag.py
new file mode 100644
index 00000000000..27cbd8d93ea
--- /dev/null
+++ b/estate/models/estate_property_tag.py
@@ -0,0 +1,9 @@
+from odoo import models, fields
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Estate Property Tag Model"
+
+    name = fields.Char(
+        string = "Property Tag",
+        required = True)
\ No newline at end of file
diff --git a/estate/models/estate_property_type.py b/estate/models/estate_property_type.py
new file mode 100644
index 00000000000..4d667cc6789
--- /dev/null
+++ b/estate/models/estate_property_type.py
@@ -0,0 +1,9 @@
+from odoo import models, fields
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Estate Property Type Model"
+
+    name = fields.Char(
+        string = "Property Type",
+        required = True)
\ No newline at end of file
diff --git a/estate/security/ir.model.access.csv b/estate/security/ir.model.access.csv
index 976b61e8cb3..4c593ed42e4 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
\ No newline at end of file
diff --git a/estate/views/estate_menus.xml b/estate/views/estate_menus.xml
index 7904676252c..bcbe0df118f 100644
--- a/estate/views/estate_menus.xml
+++ b/estate/views/estate_menus.xml
@@ -4,5 +4,9 @@
         <menuitem id="estate_first_level_menu" name="Advertisements">
             <menuitem id="estate_property_menu_action" name="Properties" action="estate_property_action"/>
         </menuitem>
+        <menuitem id="estate_settings_menu" name="Settings">
+            <menuitem id="estate_property_type_menu_action" name="Property Types" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_menu_action" name="Property Tags" action="estate_property_tag_action"/>
+        </menuitem>
     </menuitem>
 </odoo>
\ No newline at end of file
diff --git a/estate/views/estate_property_offer_views.xml b/estate/views/estate_property_offer_views.xml
new file mode 100644
index 00000000000..502ef512395
--- /dev/null
+++ b/estate/views/estate_property_offer_views.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0"?>
+<odoo> 
+    <record id="estate_property_offer_view_form" model="ir.ui.view">
+        <field name="name">estate.property.offer.form</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <field name="price"/>
+                        <field name="partner_id" string="Partner"/>
+                        <field name="status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_view_list" model="ir.ui.view">
+        <field name="name">estate.property.offer.list</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="price" string="Price"/>
+                <field name="partner_id" string="Partner"/>
+                <field name="status"/>
+            </list>
+        </field>
+    </record>
+</odoo>
\ No newline at end of file
diff --git a/estate/views/estate_property_tag_views.xml b/estate/views/estate_property_tag_views.xml
new file mode 100644
index 00000000000..cb8a6d6edfb
--- /dev/null
+++ b/estate/views/estate_property_tag_views.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+<odoo> 
+    <record id="estate_property_tag_view_form" model="ir.ui.view">
+        <field name="name">estate.property.tag.form</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group colspan="2">
+                        <h1><field name="name"/></h1>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_tag_view_list" model="ir.ui.view">
+        <field name="name">estate.property.tag.list</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <list string="Tags">
+                <field name="name" string="Name"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Tags</field>
+        <field name="res_model">estate.property.tag</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>
\ No newline at end of file
diff --git a/estate/views/estate_property_type_views.xml b/estate/views/estate_property_type_views.xml
new file mode 100644
index 00000000000..82a6f5765c2
--- /dev/null
+++ b/estate/views/estate_property_type_views.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+<odoo> 
+    <record id="estate_property_type_view_form" model="ir.ui.view">
+        <field name="name">estate.property.type.form</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group colspan="2">
+                        <h1><field name="name"/></h1>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_type_view_list" model="ir.ui.view">
+        <field name="name">estate.property.type.list</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <list string="Properties">
+                <field name="name" string="Property Type"/>
+            </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,form</field>
+    </record>
+</odoo>
\ No newline at end of file
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
index d8c92136571..297db3d159e 100644
--- a/estate/views/estate_property_views.xml
+++ b/estate/views/estate_property_views.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0"?>
 <odoo>
-
     <record id="estate_property_view_search" model="ir.ui.view">
         <field name="name">estate.property.search</field>
         <field name="model">estate.property</field>
@@ -8,11 +7,13 @@
             <search>
                 <field name="name" string="Title"/>
                 <field name="postcode"/>
+                <field name="property_type_id" string="Property Type"/>
                 <field name="expected_price" string="Expected Price"/>
                 <field name="bedrooms"/>
                 <field name="living_area" string="Living Area (sqm)"/>
                 <field name="facades"/>
-                
+                <field name="tag_ids" string="Tags"/>
+
                 <filter name="available_filter" string="Available" domain="['|',('state', 'ilike', 'new'), ('state', 'ilike', 'offer_received')]"/>
                 <filter name="groupby_postcode" string="Postcode" context="{'group_by': 'postcode'}"/>
             </search>
@@ -28,8 +29,12 @@
                     <group colspan="2">
                         <h1><field name="name"/></h1>
                     </group>
+                    <group>
+                        <field name="tag_ids" widget="many2many_tags"/>
+                    </group>
                     <group>
                         <group>
+                            <field name="property_type_id" string="Property Type"/>
                             <field name="postcode"/>
                             <field name="date_availability" string="Available From"/>
                             <field name="state" string="Status"/>
@@ -52,6 +57,17 @@
                                 <field name="garden_orientation" string="Garden Orientation"/>
                             </group>
                         </page>
+                        <page string="Offers">
+                            <group>
+                                <field name="offer_ids" string="" context="{'list_view_ref' : 'estate.estate_property_offer_view_list'}"/>
+                            </group>
+                        </page>
+                        <page string="Other Info">
+                            <group>
+                                <field name="salesperson_id" string="Salesperson"/>
+                                <field name="buyer_id" string="Buyer"/>
+                            </group>
+                        </page>
                     </notebook>
                 </sheet>
             </form>
@@ -65,6 +81,8 @@
             <list string="Properties">
                 <field name="name" string="Title"/>
                 <field name="postcode" string="Postcode"/>
+                <field name="property_type_id" string="Property Type"/>
+                <field name="tag_ids" string="Tags" widget="many2many_tags"/>
                 <field name="state" string="Status"/>
                 <field name="bedrooms" string="Bedrooms"/>
                 <field name="living_area" string="Living Area (sqm)"/>

From a768ad24b6785d4e831d86d2a9a969be24559b20 Mon Sep 17 00:00:00 2001
From: Mark Orban <markorban1111@gmail.com>
Date: Thu, 21 May 2026 10:10:55 +0200
Subject: [PATCH 6/8] Server FW 101 Chapter 8

---
 estate/models/estate_property.py             | 75 +++++++++++++++++---
 estate/models/estate_property_offer.py       | 35 ++++++++-
 estate/views/estate_property_offer_views.xml |  4 ++
 estate/views/estate_property_views.xml       |  2 +
 4 files changed, 104 insertions(+), 12 deletions(-)

diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
index 3d15cdcce31..5e7aa325010 100644
--- a/estate/models/estate_property.py
+++ b/estate/models/estate_property.py
@@ -1,4 +1,4 @@
-from odoo import models, fields
+from odoo import models, fields, api
 
 class EstateProperty(models.Model):
     _name = "estate.property"
@@ -6,12 +6,24 @@ class EstateProperty(models.Model):
 
     name = fields.Char(
         string = "Property Name",
-        required = True)
+        required = True
+    )
     description = fields.Text()
     postcode = fields.Char()
-    date_availability = fields.Date(copy = False, default = fields.Date.today().replace(month=(fields.Date.today().month + 3) % 12))
+    date_availability = fields.Date(
+        copy = False, 
+        default = fields.Date.today().replace(month=(fields.Date.today().month + 3) % 12)
+    )
     expected_price = fields.Float(required = True)
-    selling_price = fields.Float(readonly = True, copy = False)
+    selling_price = fields.Float(
+        readonly = True, 
+        copy = False
+    )
+    best_price = fields.Float(
+        compute="_compute_best_price", 
+        readonly = True, 
+        copy = False
+    )
     bedrooms = fields.Integer(default = 2)
     living_area = fields.Integer()
     facades = fields.Integer()
@@ -29,8 +41,53 @@ class EstateProperty(models.Model):
         required = True,
         copy = False
     )
-    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
-    salesperson_id = fields.Many2one("res.users", string="Salesperson", default=lambda self: self.env.user)
-    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
-    tag_ids = fields.Many2many("estate.property.tag", string="Tags", copy=False)
-    offer_ids = fields.One2many("estate.property.offer", "property_id", copy=False)
+    property_type_id = fields.Many2one(
+        "estate.property.type", 
+        string="Property Type"
+    )
+    salesperson_id = fields.Many2one(
+        "res.users", 
+        string="Salesperson", 
+        default=lambda self: self.env.user
+    )
+    buyer_id = fields.Many2one(
+        "res.partner", 
+        string="Buyer", 
+        copy=False
+    )
+    tag_ids = fields.Many2many(
+        "estate.property.tag", 
+        string="Tags", 
+        copy=False
+    )
+    offer_ids = fields.One2many(
+        "estate.property.offer", 
+        "property_id", 
+        copy=False
+    )
+    total_area = fields.Integer(
+        compute="_compute_total_area", 
+        copy=False
+    )
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    @api.depends("offer_ids")
+    def _compute_best_price(self):
+        for record in self:
+            if record.offer_ids:
+                record.best_price = min(record.offer_ids.mapped("price"))
+            else:
+                record.best_price = 0
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = None
diff --git a/estate/models/estate_property_offer.py b/estate/models/estate_property_offer.py
index 7b72bedfe4a..7ec51f13abb 100644
--- a/estate/models/estate_property_offer.py
+++ b/estate/models/estate_property_offer.py
@@ -1,4 +1,4 @@
-from odoo import models, fields
+from odoo import models, fields, api
 
 class EstatePropertyOffer(models.Model):
     _name = "estate.property.offer"
@@ -10,5 +10,34 @@ class EstatePropertyOffer(models.Model):
         selection = [("accepted", "Accepted"), ("refused", "Refused")],
         copy = False
     )
-    partner_id = fields.Many2one("res.partner", required = True)
-    property_id = fields.Many2one("estate.property", required = True)
\ No newline at end of file
+    partner_id = fields.Many2one(
+        "res.partner", 
+        required = True
+    )
+    property_id = fields.Many2one(
+        "estate.property", 
+        required = True
+    )
+    validity = fields.Integer(
+        string = "Validity (days)",
+        default = 7
+    )
+    date_deadline = fields.Date(
+        compute = "_compute_date_deadline",
+        inverse = "_inverse_date_deadline",
+        readonly = False)
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = fields.Date.add(record.create_date, days=record.validity)
+            else:
+                record.date_deadline = fields.Date.add(fields.Date.today(), days=record.validity)
+    
+    def _inverse_date_deadline(self):
+        for record in self:
+            if record.date_deadline:
+                record.validity = (record.date_deadline - record.create_date.date()).days
+            else:
+                record.validity = (fields.Date.today() - record.create_date.date()).days
\ No newline at end of file
diff --git a/estate/views/estate_property_offer_views.xml b/estate/views/estate_property_offer_views.xml
index 502ef512395..83079595927 100644
--- a/estate/views/estate_property_offer_views.xml
+++ b/estate/views/estate_property_offer_views.xml
@@ -9,6 +9,8 @@
                     <group>
                         <field name="price"/>
                         <field name="partner_id" string="Partner"/>
+                        <field name="validity"/>
+                        <field name="date_deadline"/>
                         <field name="status"/>
                     </group>
                 </sheet>
@@ -23,6 +25,8 @@
             <list>
                 <field name="price" string="Price"/>
                 <field name="partner_id" string="Partner"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
                 <field name="status"/>
             </list>
         </field>
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
index 297db3d159e..1b5a6be5475 100644
--- a/estate/views/estate_property_views.xml
+++ b/estate/views/estate_property_views.xml
@@ -42,6 +42,7 @@
                         <group>
                             <field name="expected_price"/>
                             <field name="selling_price"/>
+                            <field name="best_price"/>
                         </group>
                     </group>
                     <notebook>
@@ -55,6 +56,7 @@
                                 <field name="garden"/>
                                 <field name="garden_area" string="Garden Area (sqm)"/>
                                 <field name="garden_orientation" string="Garden Orientation"/>
+                                <field name="total_area" string="Total Area (sqm)"/>
                             </group>
                         </page>
                         <page string="Offers">

From 7a7d9c28db96fac0cca9528d29b5f85a592e12ec Mon Sep 17 00:00:00 2001
From: Mark Orban <markorban1111@gmail.com>
Date: Thu, 21 May 2026 10:57:37 +0200
Subject: [PATCH 7/8] Server FW 101 Chapter 9

---
 estate/models/estate_property.py             | 16 ++++++++++++++++
 estate/models/estate_property_offer.py       | 17 ++++++++++++++++-
 estate/views/estate_property_offer_views.xml |  2 ++
 estate/views/estate_property_views.xml       |  4 ++++
 4 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
index 5e7aa325010..9eb261b9a4f 100644
--- a/estate/models/estate_property.py
+++ b/estate/models/estate_property.py
@@ -1,4 +1,5 @@
 from odoo import models, fields, api
+from odoo.exceptions import UserError
 
 class EstateProperty(models.Model):
     _name = "estate.property"
@@ -91,3 +92,18 @@ def _onchange_garden(self):
         else:
             self.garden_area = 0
             self.garden_orientation = None
+
+    def action_sold_button(self):
+        if self.state != "cancelled":
+            self.state = "sold"
+        else:
+            raise UserError("A cancelled property cannot be sold!")
+        return True
+    
+    def action_cancel_button(self):
+        if self.state != "sold":
+            self.state = "cancelled"
+        else:
+            raise UserError("A sold property cannot be cancelled!")
+        return True
+
diff --git a/estate/models/estate_property_offer.py b/estate/models/estate_property_offer.py
index 7ec51f13abb..4a5ddae5fa0 100644
--- a/estate/models/estate_property_offer.py
+++ b/estate/models/estate_property_offer.py
@@ -1,4 +1,5 @@
 from odoo import models, fields, api
+from odoo.exceptions import UserError
 
 class EstatePropertyOffer(models.Model):
     _name = "estate.property.offer"
@@ -40,4 +41,18 @@ def _inverse_date_deadline(self):
             if record.date_deadline:
                 record.validity = (record.date_deadline - record.create_date.date()).days
             else:
-                record.validity = (fields.Date.today() - record.create_date.date()).days
\ No newline at end of file
+                record.validity = (fields.Date.today() - record.create_date.date()).days
+    
+    def action_status_accepted(self):
+        if self.property_id.state == "new" or self.property_id.state == "offer_received":
+            self.status = "accepted"
+            self.property_id.state = "offer_accepted"
+            self.property_id.selling_price = self.price
+            self.property_id.buyer_id = self.partner_id
+        else:
+            raise UserError("This property has already accepted an offer, been sold, or is cancelled!")
+        return True
+
+    def action_status_refused(self):
+        self.status = "refused"
+        return True
\ No newline at end of file
diff --git a/estate/views/estate_property_offer_views.xml b/estate/views/estate_property_offer_views.xml
index 83079595927..c6a9c71a191 100644
--- a/estate/views/estate_property_offer_views.xml
+++ b/estate/views/estate_property_offer_views.xml
@@ -27,6 +27,8 @@
                 <field name="partner_id" string="Partner"/>
                 <field name="validity"/>
                 <field name="date_deadline"/>
+                <button name="action_status_accepted" type="object" icon="fa-check"/>
+                <button name="action_status_refused" type="object" icon="fa-close"/>
                 <field name="status"/>
             </list>
         </field>
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
index 1b5a6be5475..9b9f12f9198 100644
--- a/estate/views/estate_property_views.xml
+++ b/estate/views/estate_property_views.xml
@@ -25,6 +25,10 @@
         <field name="model">estate.property</field>
         <field name="arch" type="xml">
             <form>
+                <header>
+                    <button name="action_sold_button" type="object" string="Sold"/>
+                    <button name="action_cancel_button" type="object" string="Cancel"/>
+                </header>
                 <sheet>
                     <group colspan="2">
                         <h1><field name="name"/></h1>

From 93273bd3188a6103b4b1e8da86a1ffa4f7ab550c Mon Sep 17 00:00:00 2001
From: Mark Orban <markorban1111@gmail.com>
Date: Thu, 21 May 2026 11:46:41 +0200
Subject: [PATCH 8/8] Server FW 101 Chapter 10

---
 estate/models/estate_property.py       | 12 +++++++++++-
 estate/models/estate_property_offer.py |  1 +
 estate/models/estate_property_tag.py   |  1 +
 estate/models/estate_property_type.py  |  1 +
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
index 9eb261b9a4f..b0a58f8cfb3 100644
--- a/estate/models/estate_property.py
+++ b/estate/models/estate_property.py
@@ -1,8 +1,11 @@
 from odoo import models, fields, api
-from odoo.exceptions import UserError
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare
 
 class EstateProperty(models.Model):
     _name = "estate.property"
+    _check_expected_price = models.Constraint("CHECK (expected_price >= 0)", "The expected price must be strictly positive.")
+    _check_selling_price = models.Constraint("CHECK (selling_price >=0)", "The selling price must be strictly positive.")
     _description = "Estate Property Model"
 
     name = fields.Char(
@@ -92,6 +95,13 @@ def _onchange_garden(self):
         else:
             self.garden_area = 0
             self.garden_orientation = None
+    
+    @api.constrains("selling_price")
+    def _check_minimum_selling_price(self):
+        for record in self:
+            if record.selling_price and float_compare(record.expected_price * 0.9, record.selling_price, precision_digits=2) > 0:
+                raise ValidationError("The selling price must be at least 90%% of the expected price. You must reduce the expected price in order to accept this offer.")
+
 
     def action_sold_button(self):
         if self.state != "cancelled":
diff --git a/estate/models/estate_property_offer.py b/estate/models/estate_property_offer.py
index 4a5ddae5fa0..6cf33ed6a0e 100644
--- a/estate/models/estate_property_offer.py
+++ b/estate/models/estate_property_offer.py
@@ -3,6 +3,7 @@
 
 class EstatePropertyOffer(models.Model):
     _name = "estate.property.offer"
+    _check_price_positive = models.Constraint("CHECK (price >= 0)", "Offer price must be strictly positive.")
     _description = "Estate Property Offer Model"
 
     price = fields.Float()
diff --git a/estate/models/estate_property_tag.py b/estate/models/estate_property_tag.py
index 27cbd8d93ea..f6700b5ad37 100644
--- a/estate/models/estate_property_tag.py
+++ b/estate/models/estate_property_tag.py
@@ -2,6 +2,7 @@
 
 class EstatePropertyTag(models.Model):
     _name = "estate.property.tag"
+    _check_name_unique = models.Constraint("UNIQUE(name)", "Tag must be unique.")
     _description = "Estate Property Tag Model"
 
     name = fields.Char(
diff --git a/estate/models/estate_property_type.py b/estate/models/estate_property_type.py
index 4d667cc6789..01a61d3b74d 100644
--- a/estate/models/estate_property_type.py
+++ b/estate/models/estate_property_type.py
@@ -2,6 +2,7 @@
 
 class EstatePropertyType(models.Model):
     _name = "estate.property.type"
+    _check_name_unique = models.Constraint("UNIQUE(name)", "Property type must be unique.")
     _description = "Estate Property Type Model"
 
     name = fields.Char(