[IMP] estate: added inheritance models to the estate module

After this commit:
-Added python inheritance
-Added Model inheritance
-Added view inheritance

estate/__manifest__.py

@@ -12,6 +12,7 @@
         'views/estate_property_type_view.xml',
         'views/estate_property_tag.xml',
         'views/estate_property_offer.xml',
+        'views/res_user.xml',
         'views/estate_menus.xml'
     ],
     'installable': True,

estate/models/__init__.py

@@ -2,3 +2,4 @@
 from . import estate_property_type
 from . import estate_property_tag
 from . import estate_peoperty_offer
+from . import res_user

estate/models/estate_peoperty_offer.py

@@ -7,6 +7,7 @@ class EstatePropertyOffer(models.Model):
     _name = 'estate.property.offer'
     _description = 'Estate Property offer'
     _order = 'price desc'
+
     price = fields.Float('Price')
     status = fields.Selection([
         ('accepted', 'Accepted'),
@@ -76,3 +77,15 @@ def _check_offer_price(self):
         for record in self:
             if record.price <= 0:
                 raise ValidationError("Price must be strictly positive.")
+
+    @api.model
+    def create(self, vals):
+        property_id = self.env['estate.property'].browse(vals['property_id'])
+        existing_offers = self.search([('property_id', '=', property_id.id)])
+        for offer in existing_offers:
+            if vals['price'] < offer.price:
+                raise UserError(
+                    "You cannot create an offer with an amount lower than an existing offer."
+                )
+        property_id.state = 'offer_received'
+        return super().create(vals)

estate/models/estate_property.py

@@ -37,7 +37,8 @@ class EstateProperty(models.Model):
         ('offer_received', 'Offer Received'),
         ('offer_accepted', 'Offer Accepted'),
         ('sold', 'Sold'),
-        ('canceled', 'Canceled')
+        ('canceled', 'Canceled'),
+        ('available', 'Available')
     ], required=True, default='new', copy=False)
     property_type_id = fields.Many2one(
         'estate.property.type', string="Property Type")
@@ -97,3 +98,11 @@ def _check_selling_price(self):
             if record.expected_price > 0:
                 if record.selling_price and float_compare(record.selling_price, record.expected_price * 0.9, precision_rounding=0.01) < 0:
                     raise ValidationError("The selling price must be at least 90% of the expected price.")
+
+    @api.ondelete(at_uninstall=False)
+    def _check_state_before_delete(self):
+        for record in self:
+            if record.state not in ['new', 'canceled']:
+                raise UserError(
+                    "You cannot delete a property unless its state is 'New' or 'Canceled'."
+                )

estate/models/estate_property_type.py

@@ -11,7 +11,7 @@ class EstatePropertyTypes(models.Model):
     sequence = fields.Integer('Sequence')
     offer_ids = fields.One2many('estate.property.offer', 'property_type_id', string='Offers')
     offer_count = fields.Integer(
-        string='Offers',
+        string=' Number of Offers',
         compute='_compute_offer_count',
         store=True
     )

estate/models/res_user.py

@@ -0,0 +1,12 @@
+from odoo import models, fields
+
+
+class ResUsers(models.Model):
+    _inherit = 'res.users'
+
+    property_ids = fields.One2many(
+        comodel_name='estate.property',
+        inverse_name='sell_person_id',
+        string='Properties',
+        domain="[('state', '=', 'available')]"
+    )

estate/views/estate_property_views.xml

@@ -118,8 +118,6 @@
                     filter_domain="[('living_area', '>=', self)]"/>
                     <filter name="available" string="Available"
                     domain="['|', ('state', '=', 'new'), ('state', '=', 'offer_received')]" />
-
-
                 <group expand="1" string="Group By">
                     <filter name="group_by_postcode" string="Postcode"
                         context="{'group_by':'postcode'}" />
@@ -129,11 +127,10 @@
     </record>
 
     <record id="estate_property_action" model="ir.actions.act_window">
-        <field name="name">Estate Properties</field>
+        <field name="name">Properties</field>
         <field name="res_model">estate.property</field>
         <field name="view_mode">tree,form</field>
         <field name="domain">[('state', '=', 'available')]</field>
-        <field name="context">{}</field>
-    </record>
-
+        <field name="context">{'search_default_available': 1}</field>
+    </record>      
 </odoo>

estate/views/res_user.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <record id="view_users_form_inherited" model="ir.ui.view">
+        <field name="name">res.users.form.inherited</field>
+        <field name="model">res.users</field>
+        <field name="inherit_id" ref="base.view_users_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//notebook" position="inside">
+                <page string="Properties">
+                    <field name="property_ids">
+                        <tree>
+                            <field name="name" string="Title"/>
+                            <field name="property_type_id" string="Property Type"/>
+                            <field name="postcode" string="Postcode"/>
+                            <field name="tag_ids" string="Tags"/>
+                            <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"/>
+                        </tree>
+                    </field>
+                </page>
+            </xpath>
+        </field>
+    </record>
+</odoo>