[IMP] estate: add inverse method and onchange logic

- added inverse method for date_deadline
- validity updates when deadline is changed
- handled case when create_date is not set
- added onchange for garden field
- sets default garden area = 10 and orientation = north
- resets values when garden is unchecked

Author: keman-odoo

estate/models/estate_property.py

@@ -15,6 +15,12 @@ def _compute_total_area(self):
         for record in self:
             record.total_area = record.garden_area + record.living_area
 
+    @api.depends("offer_ids.price")
+    def _compute_best_price(self):
+        for record in self:
+            prices = record.offer_ids.mapped("price")
+            record.best_price = max(prices) if prices else 0
+        
     name = fields.Char(required=True, default="UNKNOWN")
     description = fields.Text()
     postcode = fields.Char()
@@ -71,3 +77,13 @@ def _compute_total_area(self):
         "property_id",
     )
     total_area = fields.Float(compute="_compute_total_area")
+    best_price = fields.Float(compute="_compute_best_price")
+
+    @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 = False

estate/models/estate_property_offer.py

@@ -1,10 +1,26 @@
-from odoo import fields, models
+from datetime import timedelta
+
+from odoo import api, fields, models
 
 
 class EstatePropertyOffer(models.Model):
     _name = "estate.property.offer"
     _description = "estate property offers"
 
+    @api.depends("create_date" , "validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = record.create_date + timedelta(days=record.validity)
+            else:
+                record.date_deadline = fields.Date.today() + timedelta(days=record.validity)    
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            if record.create_date and record.date_deadline:
+                record.validity = (record.date_deadline - record.create_date.date()).days
+
+
     price = fields.Float()
     status = fields.Selection(
         [
@@ -22,3 +38,8 @@ class EstatePropertyOffer(models.Model):
         "estate.property",
         required=True
     )
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(
+        compute = "_compute_date_deadline",
+        inverse = "_inverse_date_deadline"
+    )

estate/views/estate_property_offer_views.xml

@@ -9,6 +9,8 @@
                 <field name="price"/>
                 <field name="partner_id"/>
                 <field name="status"/>
+                <field name="validity" />
+                <field name="date_deadline" />
             </list>
         </field>
     </record>
@@ -22,6 +24,8 @@
                     <field name="status"/>
                     <field name="partner_id"/>
                     <field name="price"/>
+                    <field name="validity" />
+                    <field name="date_deadline" />
                 </group>
             </form>
         </field>

estate/views/estate_property_views.xml

@@ -41,6 +41,7 @@
                         </group>
                         <group>
                             <field name="expected_price"/>
+                            <field name="best_price" />
                             <field name="selling_price"/>
                         </group>
                     </group>