[ADD] estate: Chapter 8 - add computed fields and views

Enhance property and offer models with computed fields and views

Author: yewentai

estate/models/estate_property.py

@@ -1,4 +1,4 @@
-from odoo import fields, models
+from odoo import api, fields, models
 from dateutil.relativedelta import relativedelta
 
 
@@ -15,7 +15,9 @@ class EstateProperty(models.Model):
     description = fields.Text("Description")
     postcode = fields.Char("Postcode")
     date_availability = fields.Date(
-        "Available From", default=lambda self: fields.Date.today() + relativedelta(months=3), copy=False
+        "Available From",
+        default=lambda self: fields.Date.today() + relativedelta(months=3),
+        copy=False,
     )
     expected_price = fields.Float("Expected Price", required=True)
     selling_price = fields.Float("Selling Price", copy=False, readonly=True)
@@ -55,3 +57,30 @@ class EstateProperty(models.Model):
     property_type_id = fields.Many2one("estate.property.type", string="Property Type")
     tag_ids = fields.Many2many("estate.property.tag", string="Tags")
     offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+
+    # Computed fields
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    total_area = fields.Integer("Total Area (sqm)", compute="_compute_total_area", store=True)
+
+    @api.depends("offer_ids.price")
+    def _compute_best_offer(self):
+        for record in self:
+            prices = record.offer_ids.mapped("price")
+            record.best_offer = max(prices) if prices else 0.0
+
+    best_offer = fields.Float("Best Offer", compute="_compute_best_offer", store=True)
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if not self.garden:
+            self.garden_area = 0
+            self.garden_orientation = False
+        else:
+            if not self.garden_area:
+                self.garden_area = 10
+            if not self.garden_orientation:
+                self.garden_orientation = "north"

estate/models/estate_property_offer.py

@@ -1,4 +1,6 @@
-from odoo import fields, models
+from datetime import timedelta
+
+from odoo import api, fields, models
 
 
 class EstatePropertyOffer(models.Model):
@@ -16,3 +18,20 @@ class EstatePropertyOffer(models.Model):
     )
     partner_id = fields.Many2one("res.partner", string="Partner", required=True)
     property_id = fields.Many2one("estate.property", string="Property", required=True)
+    validity = fields.Integer("Validity (days)", default=7)
+    date_deadline = fields.Date("Deadline", compute="_compute_date_deadline", inverse="_inverse_date_deadline")
+
+    @api.depends("create_date", "validity")
+    def _compute_date_deadline(self):
+        for offer in self:
+            if offer.create_date:
+                offer.date_deadline = offer.create_date.date() + timedelta(days=offer.validity)
+            else:  # Fallback if create_date is not set
+                offer.date_deadline = fields.Date.today() + timedelta(days=offer.validity)
+
+    def _inverse_date_deadline(self):
+        for offer in self:
+            if offer.date_deadline and offer.create_date:
+                offer.validity = (offer.date_deadline - offer.create_date.date()).days
+            elif offer.date_deadline:  # Fallback if create_date is not set
+                offer.validity = (offer.date_deadline - fields.Date.today()).days

estate/views/estate_property_views.xml

@@ -44,6 +44,7 @@
                         </group>
                         <group>
                             <field name="expected_price" string="Expected Price" widget="monetary" options="{'currency_field': 'currency_id'}"/>
+                            <field name="best_offer" string="Best Offer" widget="monetary" options="{'currency_field': 'currency_id'}" readonly="1"/>
                             <field name="selling_price" string="Selling Price" widget="monetary" options="{'currency_field': 'currency_id'}"/>
                         </group>
                     </group>
@@ -59,15 +60,27 @@
                                 <field name="garden" string="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">
                             <field name="offer_ids">
                                 <list string="Offers">
                                     <field name="price" string="Price" widget="monetary" options="{'currency_field': 'currency_id'}"/>
                                     <field name="partner_id" string="Partner"/>
+                                    <field name="validity" string="Validity (days)"/>
+                                    <field name="date_deadline" string="Deadline"/>
                                     <field name="status" string="Status"/>
                                 </list>
+                                <form string="Offer">
+                                    <group>
+                                        <field name="price" string="Price"/>
+                                        <field name="partner_id" string="Partner"/>
+                                        <field name="validity" string="Validity (days)"/>
+                                        <field name="date_deadline" string="Deadline"/>
+                                        <field name="status" string="Status"/>
+                                    </group>
+                                </form>
                             </field>
                         </page>
                         <page string="Other Info">