[IMP] Chapter 8: Added validity, date_deadline attributes for offers model. improved UX with compute and inverse methods

Author: OmarKhalil2001

estate/models/buildings_model.py

@@ -1,4 +1,4 @@
-from odoo import models, fields
+from odoo import models, fields, api
 from datetime import timedelta
 
 
@@ -13,6 +13,8 @@ class buildings_model(models.Model):
         default=fields.Date.today() + timedelta(days=90), copy=False
     )
     number_of_rooms = fields.Integer(default=2)
+    garden_area = fields.Integer()
+    building_area = fields.Integer()
     garden_orientation = fields.Selection(
         [("north", "North"), ("south", "South"), ("east", "East"), ("west", "West")],
         "garden Orientation",
@@ -36,3 +38,34 @@ class buildings_model(models.Model):
     )
     tag_ids = fields.Many2many("estate.building_tags", string="Tags")
     offer_ids = fields.One2many("estate.offers", "building_id", string="Offers")
+
+    total_area = fields.Integer(
+        string="Total Area", compute="_compute_total_area"
+    )
+
+    best_price = fields.Integer(
+        string="Best Offer Price",
+        compute="_compute_best_price",
+    )
+    has_garden = fields.Boolean(string="Has Garden", default=False)
+
+    @api.depends("building_area", "garden_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.building_area + record.garden_area
+
+    @api.depends("offer_ids.price")
+    def _compute_best_price(self):
+        for record in self:
+            if record.offer_ids:
+                record.best_price = max(record.offer_ids.mapped("price"))
+            else:
+                record.best_price = 0
+    @api.onchange("has_garden")
+    def _onchange_garden_area(self):
+        if self.has_garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = False

estate/models/offers_model.py

@@ -1,4 +1,5 @@
-from odoo import models, fields
+from odoo import models, fields, api
+from datetime import timedelta
 
 
 class offers_model(models.Model):
@@ -13,3 +14,18 @@ class offers_model(models.Model):
     )
     building_id = fields.Many2one("estate.buildings", string="Building")
     partner_id = fields.Many2one("res.partner", string="Partner")
+    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:
+            record.date_deadline = fields.Date.today() + timedelta(days=record.validity)
+    
+    def _inverse_date_deadline(self):
+        for record in self:
+            record.validity = (record.date_deadline - fields.Date.today()).days

estate/views/views.xml

@@ -36,14 +36,18 @@
                         </group>
                         <group>
                             <field name="number_of_rooms"/>
-                            <field name="garden_orientation"/>
                             <field name="post_code"/>
                         </group>
                     </group>
                     <notebook>
                         <page string="Description">
                             <group>
                                 <field name="description"/>
+                                <field name="building_area"/>
+                                <field name="has_garden"/>
+                                <field name="garden_area"/>
+                                <field name="garden_orientation"/>
+                                <field name="total_area"/>
                             </group>
                         </page>
                         <page string="Info">
@@ -58,8 +62,13 @@
                                     <field name="price"/>
                                     <field name="status"/>
                                     <field name="partner_id"/>
+                                    <field name="date_deadline"/>
+                                    <field name="validity"/>
                                 </list>
                             </field>
+                            <group>
+                                <field name="best_price"/>
+                            </group>
                         </page>
                     </notebook>
                 </sheet>