chapt 9-10

estate/models/estate_property.py

@@ -1,10 +1,22 @@
 # -*- coding: utf-8 -*-
-from odoo import api, fields, models
+from odoo import api, fields, models, exceptions
+from odoo.tools import float_utils as floatTool
 
 class EstateProperty(models.Model):
+
+    # ------------- Private attributes ------------------------- #
+
     _name = "estate.property"
     _description = "Properties for the Estate module"
 
+    _sql_constraints = [
+        ('check_expected_price', 'CHECK (expected_price > 0)', 'Expected rice should be superior to 0'),
+        ('check_selling_price', 'CHECK (selling_price >= 0)', 'Selling price cannot be negative'),
+        ('unique_name', 'UNIQUE (name)', 'A property with this name aready exists. Name should be unique.'),
+    ]
+
+    # ------------- Fields ------------------------- #
+
     name = fields.Char(required=True)
     description = fields.Text()
     active = fields.Boolean(default=True)
@@ -28,6 +40,8 @@ class EstateProperty(models.Model):
     total_area = fields.Integer(compute="_get_total_area", readonly=True)
     best_price = fields.Float(compute="_compute_best_price")
 
+    # ------------- Compute methods  ------------------------- #
+
     @api.depends('living_area', 'garden_area')
     def _get_total_area(self):
         for entry in self:
@@ -38,6 +52,8 @@ class EstateProperty(models.Model):
         for record in self:
             record.best_price = max(record.offer_ids.mapped('price')) if record.offer_ids else None
 
+    # ------------- OnChange ------------------------- #
+
     @api.onchange('garden')
     def _onchange_garden(self):
         if self.garden:
@@ -53,3 +69,40 @@ class EstateProperty(models.Model):
             return {'warning': {
                 'title': ("Warning"),
                 'message': ("The date is in the past.")}}
+
+    # ------------- Constrains ------------------------- #
+
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price(self):
+        for property in self:
+            if (
+                not floatTool.float_is_zero(property.selling_price, precision_rounding=0.01) 
+                and floatTool.float_compare((property.expected_price * 0.9), property.selling_price, precision_rounding=0.01) > 0
+            ):
+                raise exceptions.ValidationError("Selling price can't be less than 90% of the expected price")
+
+    # ------------- Actions ------------------------- #
+            
+    def action_sold(self):
+        if self.exists():
+            if self.state == 'cancelled':
+                raise exceptions.UserError('A cancelled property cannot be sold')
+                return False
+            else:
+                self.state = 'sold'
+            return True
+        else:
+            raise exceptions.MissingError('Property not found')
+            return False
+
+    def action_cancel(self):
+        if self.exists():
+            if self.state == 'sold':
+                raise exceptions.UserError('A sold property cannot be cancelled')
+                return False
+            else:
+                self.state = 'cancelled'
+            return True
+        else:
+            raise exceptions.MissingError('Property not found')
+            return False

estate/models/estate_property_offer.py

@@ -1,17 +1,22 @@
 # -*- coding: utf-8 -*-
-from odoo import api, fields, models
+from odoo import api, fields, models, exceptions
+from odoo.tools import float_utils as floatTool
 
 class EstatePropertyOffer(models.Model):
     _name = "estate.property.offer"
     _description = "Offers made on properties"
 
     price = fields.Float()
-    status = fields.Selection(copy=False, selection=[('accepted', 'Accepted'), ('refused', 'Refused')])
+    state = fields.Selection(copy=False, selection=[('accepted', 'Accepted'), ('refused', 'Refused')])
     partner_id = fields.Many2one("res.partner", required=True)
     property_id = fields.Many2one("estate.property", required=True)
     validity = fields.Integer(default=7, string='validity (days)')
     date_deadline = fields.Date(compute="_compute_date_deadline", inverse="_inverse_date_deadline")
 
+    _sql_constraints = [
+        ('check_price', 'CHECK (price > 0)', 'Expected price should be superior to 0'),
+    ]
+
     @api.depends('validity', 'create_date')
     def _compute_date_deadline(self):
         for record in self:
@@ -20,3 +25,34 @@ class EstatePropertyOffer(models.Model):
     def _inverse_date_deadline(self):
         for record in self:
             record.validity = (record.date_deadline - (record.create_date.date() or fields.Date.today())).days
+
+    def action_accept(self):
+        if self.exists():
+            if "accepted" in self.mapped("property_id.offer_ids.state"):
+                raise exceptions.UserError("An offer as already been accepted.")
+            self.write(
+                {
+                    "state": "accepted",
+                }
+            )
+            return self.mapped("property_id").write(
+                {
+                    "state": "offer_accepted",
+                    "selling_price": self.price,
+                    "buyer_id": self.partner_id.id,
+                }
+            )
+        else:
+            raise exceptions.MissingError('Offer not found')
+
+    def action_reject(self):
+        if self.exists():
+            if self.state == 'accepted':
+                raise exceptions.UserError('Cannot accept an offer refused')
+                return False
+            else:
+                self.state = 'refused'
+            return True
+        else:
+            raise exceptions.MissingError('Offer not found')
+            return False

estate/views/estate_property_offer_views.xml

@@ -9,7 +9,9 @@
                 <field name="partner_id" />
                 <field name="validity" />
                 <field name="date_deadline" />
-                <field name="status" />
+                <button name="action_accept" string="Accept" type="object" icon="fa-check"/>
+                <button name="action_reject" string="Reject" type="object" icon="fa-close"/>
+                <field name="state" />
             </tree>
         </field>
     </record>
@@ -24,7 +26,7 @@
                     <field name="partner_id" />
                     <field name="validity" />
                     <field name="date_deadline" />
-                    <field name="status" />
+                    <field name="state" />
                 </sheet>
             </form>
         </field>

estate/views/estate_property_views.xml

@@ -28,6 +28,10 @@
         <field name="model">estate.property</field>
         <field name="arch" type="xml">
             <form>
+                <header>
+                    <button name="action_sold" type="object" string="Sold"/>
+                    <button name="action_cancel" type="object" string="Cancel"/>
+                </header>
                 <sheet>
                     <h1>
                         <field name="name" />
@@ -35,6 +39,7 @@
                     <field name="tag_ids" widget="many2many_tags" />
                     <group>
                         <group>
+                            <field name="state"/>
                             <field name="property_type_id" />
                             <field name="postcode" />
                             <field name="date_availability" />