[IMP] estate: add computed fields,inverse funcs, onchange & Sold/Cancel buttons

Added computed fields with inverse functions and onchange methods,
along with Sold and Cancel buttons to enhance the
Real Estate module functionality.

Author: pimai-odoo

estate/__manifest__.py

@@ -12,4 +12,3 @@
     'application': True,
     'installable':True
 }
-

estate/models/estate_property.py

@@ -1,5 +1,7 @@
-from odoo import models, fields
+from odoo import models, fields, api
 from dateutil.relativedelta import relativedelta
+from datetime import date
+from odoo.exceptions import UserError
 
 
 class EstateProperty(models.Model):
@@ -35,15 +37,53 @@ class EstateProperty(models.Model):
             ("sold", "Sold"),
             ("cancelled", "Cancelled"),
         ],
-        string="Status",
+        "Status",
         required=True,
         copy=False,
         default="new",
     )
     active = fields.Boolean(default=True)
-    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    property_type_id = fields.Many2one("estate.property.type", "Property Type")
     buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
     salesperson_id = fields.Many2one(
         "res.users", string="Salesperson")
     tag_ids = fields.Many2many("estate.property.tag", string="Tags")
-    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    offer_ids = fields.One2many("estate.property.offer", "property_id", "Offers")
+    total_area = fields.Integer("Total Area(sqm)", compute="_compute_total_area")
+    best_price = fields.Float("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 + 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('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
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError("A sold property cannot be cancelled")
+            else:
+                self.state = 'cancelled'
+
+    def action_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise UserError("A cancelled property cannot be set as sold")
+            else:
+                self.state = 'sold'

estate/models/estate_property_offer.py

@@ -1,4 +1,5 @@
-from odoo import fields, models
+from odoo import fields, models, api
+from dateutil.relativedelta import relativedelta
 
 
 class EstatePropertyOffer(models.Model):
@@ -12,4 +13,20 @@ 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(string="Validity(days)", default=7)
+    date_deadline = fields.Date(string="Deadline Date", compute="_compute_date_deadline", inverse="_inverse_date_deadline")
+
+    @api.depends('validity')
+    def _compute_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = fields.Date.to_date(record.create_date) + relativedelta(days=record.validity)
+            else:
+                record.date_deadline = False
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.validity = (record.date_deadline - fields.Date.to_date(record.create_date)).days
+            else:
+                record.validity = False

estate/models/estate_property_tag.py

@@ -6,3 +6,4 @@ class EstatePropertyTag(models.Model):
     _description = "Real Estate Property Tag"
 
     name = fields.Char(required=True)
+

estate/models/estate_property_type.py

@@ -6,3 +6,4 @@ class EstatePropertyType(models.Model):
     _description = "Real Estate Property Type"
 
     name = fields.Char(required=True)
+

estate/views/estate_property_offer_views.xml

@@ -7,6 +7,8 @@
                 <field name="price" />
                 <field name="partner_id" />
                 <field name="status" />
+                <field name="validity" />
+                <field name="date_deadline" />
             </list>
         </field>
     </record>
@@ -18,9 +20,11 @@
             <form>
                 <sheet>
                     <group>
-                        <field name="price"/>
-                        <field name="partner_id"/>
-                        <field name="status"/>
+                        <field name="price" />
+                        <field name="partner_id" />
+                        <field name="status" />
+                        <field name="validity" />
+                        <field name="date_deadline" />
                     </group>
                 </sheet>
             </form>

estate/views/estate_property_views.xml

@@ -33,14 +33,20 @@
         <field name="model">estate.property</field>
         <field name="arch" type="xml">
             <form string="form">
+                <header>
+                    <button name="action_sold" type="object" string="Sold" />
+                    <button name="action_cancel" type="object" string="Cancel" />
+                </header>
                 <sheet>
                     <group>
                         <group>
                             <field name="name" />
                             <field name="postcode" />
                             <field name="date_availability" />
                             <field name="property_type_id" />
+                            <field name="state" />
                             <field name="tag_ids" widget="many2many_tags" />
+                            <field name="best_price" />
                         </group>
                         <group>
                             <field name="expected_price" />
@@ -52,6 +58,7 @@
                             <field name="garden" />
                             <field name="garden_area" />
                             <field name="garden_orientation" />
+                            <field name="total_area" />
                         </group>
                     </group>
                     <notebook>
@@ -65,12 +72,16 @@
                                     <field name="price" />
                                     <field name="partner_id" />
                                     <field name="status" />
+                                    <field name="validity" />
+                                    <field name="date_deadline" />
                                 </list>
                                 <form>
                                     <group>
                                         <field name="price" />
                                         <field name="partner_id" />
                                         <field name="status" />
+                                        <field name="validity" />
+                                        <field name="date_deadline" />
                                     </group>
                                 </form>
                             </field>