[IMP] estate: added accept/refuse offer

	added requirement of chapter 9

Author: youness benbraitit (yoben)

estate/models/estate_property.py

@@ -1,5 +1,6 @@
 from datetime import date
 from dateutil.relativedelta import relativedelta
+from odoo.exceptions import UserError, ValidationError
 from odoo import api, fields, models
 
 
@@ -57,8 +58,7 @@ class EstateProperty(models.Model):
     offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
     total_area = fields.Integer("Total Area (sqm)", compute="_compute_total_area")
     best_price = fields.Float(
-        "Best Offer",
-        compute="_compute_best_price", readonly=True
+        "Best Offer", compute="_compute_best_price", readonly=True
     )
 
     @api.depends('living_area', 'garden_area')
@@ -85,3 +85,13 @@ def _onchange_garden(self):
         else:
             self.garden_area = 0
             self.garden_orientation = False
+
+    def action_sold(self):
+        if "cancelled" in self.mapped("state"):
+            raise UserError("Canceled property cannot be sold !")
+        return self.write({"state": "sold"})
+
+    def action_cancel(self):
+        if "sold" in self.mapped("state"):
+            raise UserError("Sold property cannot be canceled !")
+        return self.write({"state": "cancelled"})

estate/models/estate_property_offer.py

@@ -15,9 +15,7 @@ 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(
-        "Validity (days)", default=7
-    )
+    validity = fields.Integer("Validity (days)", default=7)
     date_deadline = fields.Date(
         "Deadline", compute="_compute_date_deadline", store=True
     )
@@ -31,3 +29,20 @@ def _compute_date_deadline(self):
                 )
             else:
                 offer.date_deadline = False
+
+    def action_accept(self):
+        for offer in self:
+            offer.state = 'accepted'
+            offer.property_id.selling_price = offer.price
+            offer.property_id.buyer_id = offer.partner_id.id
+            offer.property_id.state = 'offer_accepted'
+            other_offers = offer.property_id.offer_ids.filtered(
+                lambda o: o.id != offer.id and o.state != 'refused'
+            )
+            other_offers.state = 'refused'
+        return True
+
+    def action_refuse(self):
+        for offer in self:
+            offer.state = 'refused'
+        return True

estate/views/estate_property_offer_views.xml

@@ -12,7 +12,7 @@
             </form>
         </field>
     </record>
-
+<!-- Add the buttons ‘Accept’ and ‘Refuse’ to the estate.property.offer model. -->
     <record id="estate_property_offer_view_tree" model="ir.ui.view">
         <field name="name">estate.property.offer.tree</field>
         <field name="model">estate.property.offer</field>
@@ -23,6 +23,10 @@
                 <field name="state"/>
                 <field name="validity"/>
                 <field name="date_deadline"/>
+                <button name="action_accept" type="object" icon="fa-check" help="Accept"
+                    />
+                <button name="action_refuse" type="object" icon="fa-times" help="Refuse"
+                    />
             </list>
         </field>
     </record>

estate/views/estate_view_form.xml

@@ -6,6 +6,12 @@
             <form string="Property">
                 <header>
                     <field name="state" widget="statusbar"/>
+                    <button name="action_sold" string="SOLD" type="object" 
+                    invisible="state in ['action_solde']"
+                         class="oe_highlight"/>
+                    <button name="action_cancel" string="CANCEL" type="object" 
+                    invisible="state in ['action_cancel']"
+                         class="oe_highlight"/>
                 </header>
                 <sheet>
                     <div class="oe_title">