[IMP] estate: add python, model, view inheritance

restrict user to delete property which is not in new or sold state
add property id field in user model using inheritance

Author: utpat-odoo

estate/__manifest__.py

@@ -9,6 +9,7 @@
         'views/estate_property_type_views.xml',
         'views/estate_property_tag_views.xml',
         'views/estate_property_offer_views.xml',
+        'views/res_users_views.xml',
         'views/estate_menus.xml'
         ],
     'application': True,

estate/models/__init__.py

@@ -2,3 +2,4 @@
 from . import estate_property_type
 from . import estate_property_tag
 from . import estate_property_offer
+from . import res_users

estate/models/estate_property.py

@@ -101,3 +101,21 @@ def _check_selling_price(self):
             if record.state in ['sold', 'offer_accepted']:
                 if float_compare(record.selling_price, 0.9 * record.expected_price, precision_digits=2) < 0:
                     raise ValidationError("the selling price is lower")
+
+    @api.ondelete(at_uninstall=True)
+    def _unlink_check_state_of_property(self):
+        for record in self:
+            if record.state in ('offer_received', 'offer_accepted', 'sold'):
+                raise UserError("You cannot delete a new or cancelled property !")
+
+    @api.model
+    def write(self, vals):
+        for record in self:
+            if 'state' in vals:
+                new_state = vals['state']
+                current_state = record.state
+                if current_state == 'sold' and new_state == 'cancelled':
+                    raise UserError("sold property cannot be cancelled.")
+                if current_state == 'cancelled' and new_state == 'sold':
+                    raise UserError("cancelled property cannot be sold.")
+        return super().write(vals)

estate/models/estate_property_offer.py

@@ -54,3 +54,13 @@ def action_refuse(self):
     'CHECK(price>=0)',
     'offer price must be positive',
     )
+
+    @api.model
+    def create(self,value):
+        for record in value:
+            property = self.env['estate.property'].browse(record['property_id'])
+            if property.state == 'new':
+                property.state = 'offer_received'
+            if record['price'] < property.best_offer:
+                raise UserError("Offer must be higher or equal than %d" % property.best_offer)
+            return super().create(value)

estate/models/estate_property_type.py

@@ -9,8 +9,8 @@ class EstatePropertyType(models.Model):
     name = fields.Char(required=True)
     property_ids = fields.One2many('estate.property', 'type_id')
     sequence = fields.Integer(string="Sequence", default=1)
-    offer_count = fields.Integer(compute="_compute_total_offers")  
-    offer_ids = fields.One2many("estate.property.offer","property_type_id")
+    offer_count = fields.Integer(compute="_compute_total_offers")
+    offer_ids = fields.One2many("estate.property.offer", "property_type_id")
 
     @api.depends("offer_ids")
     def _compute_total_offers(self):

estate/models/res_users.py

@@ -0,0 +1,12 @@
+from odoo import fields, models
+
+
+class ResUsers(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many(
+        "estate.property",
+        "salesperson",
+        string="Estate Properties",
+        domain=[("state", "!=", "sold")],
+    )

estate/views/estate_property_type_views.xml

@@ -16,11 +16,11 @@
         <field name="arch" type="xml">
             <form>
                 <sheet>
-                    <header>
-                        <button type="action" name="%(estate.estate_property_offer_action)d" class="oe_stat_button" icon="fa-money">
+                    <div class="oe_button_box" name="button_box">
+                        <button name="%(estate.estate_property_offer_action)d" type="action" class="oe_stat_button" icon="fa-money">
                             <field name="offer_count" widget="statinfo" string="Offers"/>
                         </button>
-                    </header>
+                    </div>
                    <group>
                         <group>
                             <field name="name"/>
@@ -30,7 +30,7 @@
                         <page name="Properties">
                            <group>
                                 <field name="property_ids"/>
-                           </group> 
+                           </group>
                         </page>
                     </notebook>
                 </sheet>

estate/views/res_users_views.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="res_users_view_form_inherit" model="ir.ui.view">
+        <field name="name">res.users.view.form.inherit</field>
+        <field name="model">res.users</field>
+        <field name="inherit_id" ref="base.view_users_form"/>
+        <field name="arch" type="xml">
+            <notebook>
+                <page name="Properties">
+                    <field name="property_ids"/>
+                </page>
+            </notebook>
+        </field>
+    </record>
+</odoo>