[IMP] estate: Chapter 8 Computed fields and onchanges

Author: magai2002

estate/models/__init__.py

@@ -1,4 +1,4 @@
 from . import estate_property
 from . import estate_property_type
 from . import estate_property_tag
-from . import estate_property_offer
+from . import estate_property_offer

estate/models/estate_property.py

@@ -1,10 +1,10 @@
-from odoo import fields, models
+from odoo import api, fields, models
 from dateutil.relativedelta import relativedelta
 from datetime import date
 
 
 class EstatePropertyModel(models.Model):
-    _name = "estate.property"
+    _name = 'estate.property'
     _description = "Real Estate property database"
     name = fields.Char(required=True)
     description = fields.Text()
@@ -21,32 +21,59 @@ class EstatePropertyModel(models.Model):
     garden_area = fields.Integer()
     garden_orientation = fields.Selection(
         selection=[
-            ('north', 'North'),
-            ('east', 'East'),
-            ('south', 'South'),
-            ('west', 'West'),
+            ('north', "North"),
+            ('east', "East"),
+            ('south', "South"),
+            ('west', "West"),
         ],
-        string='Garden Orientation',
+        string="Garden Orientation",
         default='south',
     )
     state = fields.Selection(
         selection=[
-            ('new', 'New'),
-            ('offer_received', 'Offer Received'),
-            ('offer_accepted', 'Offer Accepted'),
-            ('sold', 'Sold'),
-            ('cancel', 'Cancelled'),
+            ('new', "New"),
+            ('offer_received', "Offer Received"),
+            ('offer_accepted', "Offer Accepted"),
+            ('sold', "Sold"),
+            ('cancel', "Cancelled"),
         ],
         required=True,
         copy=False,
         default='new',
     )
-    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
-    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+
+    property_type_id = fields.Many2one('estate.property.type', string="Property Type")
+    buyer_id = fields.Many2one('res.partner', string="Buyer", copy=False)
     salesperson_id = fields.Many2one(
-        "res.users", 
-        string="Salesperson", 
+        'res.users',
+        string="Salesperson",
         default=lambda self: self.env.user
     )
-    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
-    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    tag_ids = fields.Many2many('estate.property.tag', string="Tags")
+    offer_ids = fields.One2many('estate.property.offer', 'property_id', string="Offers")
+
+    total_area = fields.Integer(compute='_compute_total_area', string="Total Area (sqm)")
+    best_price = fields.Float(compute='_compute_best_price', string="Best Offer")
+
+    @api.depends('living_area', 'garden_area')
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    @api.depends('offer_ids.price')
+    def _compute_best_price(self):
+        for record in self:
+            offers = record.offer_ids.mapped('price')
+            if offers:
+                record.best_price = max(offers)
+            else:
+                record.best_price = 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

@@ -1,14 +1,29 @@
-from odoo import fields, models
+from odoo import api, fields, models
+from datetime import timedelta
 
 
 class EstatePropertyOffer(models.Model):
-    _name = "estate.property.offer"
+    _name = 'estate.property.offer'
     _description = "Property Offer"
 
     price = fields.Float()
     status = fields.Selection(
-        selection=[('accepted', 'Accepted'), ('refused', 'Refused')],
+        selection=[('accepted', "Accepted"), ('refused', "Refused")],
         copy=False
     )
-    partner_id = fields.Many2one("res.partner", string="Partner", required=True)
-    property_id = fields.Many2one("estate.property", string="Property", required=True)
+    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('create_date', 'validity')
+    def _compute_date_deadline(self):
+        for record in self:
+            start_date = record.create_date.date() if record.create_date else fields.Date.today()
+            record.date_deadline = start_date + timedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            start_date = record.create_date.date() if record.create_date else fields.Date.today()
+            record.validity = (record.date_deadline - start_date).days

estate/models/estate_property_tag.py

@@ -5,4 +5,5 @@ class EstatePropertyTag(models.Model):
     _name = "estate.property.tag"
     _description = "Property Tag"
 
-    name = fields.Char(required=True)
+    name = fields.Char(required=True)
+    

estate/models/estate_property_type.py

@@ -4,4 +4,5 @@
 class EstatePropertyTypeModel(models.Model):
     _name = "estate.property.type"
     _description = "Real Estate property types database"
-    name = fields.Char(required=True)
+    name = fields.Char(required=True)
+    

estate/views/estate_property_offer_views.xml

@@ -7,6 +7,8 @@
             <list string="Offers">
                 <field name="price"/>
                 <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
                 <field name="status"/>
             </list>
         </field>

estate/views/estate_property_type_views.xml

@@ -5,4 +5,4 @@
         <field name="res_model">estate.property.type</field>
         <field name="view_mode">list,form</field>
     </record>
-</odoo>
+</odoo>

estate/views/estate_property_views.xml

@@ -37,7 +37,7 @@
                             </group>
                             <group>
                                 <field name="expected_price"/>
-                                <field name="selling_price"/>
+                                <field name="best_price"/> <field name="selling_price"/>
                                 <field name="date_availability"/>
                             </group>
                         </group>
@@ -52,6 +52,7 @@
                                     <field name="garden"/>
                                     <field name="garden_area"/>
                                     <field name="garden_orientation"/>
+                                    <field name="total_area"/>
                                 </group>
                             </page>
                             <page string="Offers">