[ADD] estate: add computed fields and onchanges

Author: Tony Michel (tomic)

estate/models/estate_property.py

@@ -1,4 +1,4 @@
-from odoo import fields, models
+from odoo import api, fields, models
 
 
 class EstateProperty(models.Model):
@@ -53,3 +53,29 @@ class EstateProperty(models.Model):
     tag_ids = fields.Many2many("estate.property.tag", string="Tags")
 
     offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+
+    total_area = fields.Integer(
+        string="Total Area (sqm)", compute="_compute_total_area"
+    )
+    best_price = fields.Float(
+        string="Best Offer", compute="_compute_best_price"
+    )
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = (record.living_area or 0) + (record.garden_area or 0)
+
+    @api.depends("offer_ids.price")
+    def _compute_best_price(self):
+        for record in self:
+            record.best_price = max(record.offer_ids.mapped("price"), default=0.0)
+
+    @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 = False

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 PropertyOffer(models.Model):
@@ -16,3 +18,24 @@ class PropertyOffer(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(string="Validity (days)", default=7)
+    date_deadline = fields.Date(
+        string="Deadline",
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline",
+    )
+
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            date = record.create_date.date() if record.create_date else fields.Date.today()
+            record.date_deadline = date + timedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            date = record.create_date.date() if record.create_date else fields.Date.today()
+            if record.date_deadline:
+                record.validity = (record.date_deadline - date).days

estate/views/estate_property_views.xml

@@ -43,6 +43,7 @@
                         </group>
                         <group>
                             <field name="expected_price"/>
+                            <field name="best_price"/>
                             <field name="selling_price"/>
                         </group>
                     </group>
@@ -67,6 +68,7 @@
                                 <field name="garden"/>
                                 <field name="garden_area"/>
                                 <field name="garden_orientation"/>
+                                <field name="total_area"/>
                             </group>
                         </page>
 
@@ -75,6 +77,8 @@
                                 <list editable="bottom">
                                     <field name="price"/>
                                     <field name="partner_id"/>
+                                    <field name="validity"/>
+                                    <field name="date_deadline"/>
                                     <field name="status"/>
                                 </list>
                             </field>