diff --git a/estate/__init__.py b/estate/__init__.py
new file mode 100644
index 00000000000..0650744f6bc
--- /dev/null
+++ b/estate/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/estate/__manifest__.py b/estate/__manifest__.py
new file mode 100644
index 00000000000..109a18aa1e1
--- /dev/null
+++ b/estate/__manifest__.py
@@ -0,0 +1,25 @@
+{
+ 'name': 'Estate',
+ 'depends': [
+ 'base'
+ ],
+ 'data': [
+ 'security/ir.model.access.csv',
+ 'data/ir_config_parameter_data.xml',
+ 'data/estate_types.xml',
+ 'views/estate_property_views.xml',
+ 'views/estate_property_offer_views.xml',
+ 'views/estate_property_type_views.xml',
+ 'views/estate_property_tag_views.xml',
+ 'views/estate_res_user_views.xml',
+ 'views/res_config_settings_views.xml',
+ 'views/estate_menu_views.xml'
+ ],
+ 'demo': [
+ 'demo/demo_property_data.xml',
+ 'demo/demo_offer_data.xml'
+ ],
+ 'application': True,
+ 'author': 'Odoo S.A.',
+ 'license': 'LGPL-3'
+}
diff --git a/estate/data/estate_types.xml b/estate/data/estate_types.xml
new file mode 100644
index 00000000000..00bf748622b
--- /dev/null
+++ b/estate/data/estate_types.xml
@@ -0,0 +1,14 @@
+
+
+ Residential
+
+
+ Commercial
+
+
+ Industrial
+
+
+ Land
+
+
diff --git a/estate/data/ir_config_parameter_data.xml b/estate/data/ir_config_parameter_data.xml
new file mode 100644
index 00000000000..b6ed55c7c43
--- /dev/null
+++ b/estate/data/ir_config_parameter_data.xml
@@ -0,0 +1,12 @@
+
+
+
+ estate.default_garden_area
+ 10
+
+
+ estate.default_garden_orientation
+ north
+
+
+
diff --git a/estate/demo/demo_offer_data.xml b/estate/demo/demo_offer_data.xml
new file mode 100644
index 00000000000..6e0aff85c27
--- /dev/null
+++ b/estate/demo/demo_offer_data.xml
@@ -0,0 +1,26 @@
+
+
+
+
+ 10000
+ 14
+
+
+
+
+
+ 1500000
+ 14
+
+
+
+
+
+ 1500001
+ 14
+
+
+
+
+
+
diff --git a/estate/demo/demo_property_data.xml b/estate/demo/demo_property_data.xml
new file mode 100644
index 00000000000..62dd3152857
--- /dev/null
+++ b/estate/demo/demo_property_data.xml
@@ -0,0 +1,55 @@
+
+
+ Big Villa
+ new
+
+ A nice and big villa
+ 12345
+ 2020-02-02
+ 1600000
+ 6
+ 100
+ 4
+ True
+ True
+ 100000
+ south
+
+
+
+ Trailer home
+ cancelled
+
+ Home in trailer park
+ 54321
+ 1970-01-01
+ 100000
+ 120000
+ 1
+ 10
+ 4
+ False
+
+
+
+ Appartment
+ new
+
+ Nice appartment
+ 13579
+ 2025-01-01
+ 350000
+ 2
+ 80
+ 4
+ True
+
+
+
diff --git a/estate/models/__init__.py b/estate/models/__init__.py
new file mode 100644
index 00000000000..afa462190a9
--- /dev/null
+++ b/estate/models/__init__.py
@@ -0,0 +1,6 @@
+from . import estate_property
+from . import estate_property_offer
+from . import estate_property_tag
+from . import estate_property_type
+from . import res_config_settings
+from . import res_user
diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
new file mode 100644
index 00000000000..e94d2740883
--- /dev/null
+++ b/estate/models/estate_property.py
@@ -0,0 +1,101 @@
+from odoo import api, fields, models, _
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools import float_compare
+
+
+class PropertyModel(models.Model):
+ _name = "estate.property"
+ _description = "Estate Property model"
+ _order = "id desc"
+
+ name = fields.Char("Title", required=True)
+ description = fields.Text()
+ postcode = fields.Char()
+ date_availability = fields.Date(default=fields.Date.add(fields.Date.today(), months=3), copy=False)
+ expected_price = fields.Float(required=True)
+ best_offer = fields.Float(compute="_compute_highest_price")
+ selling_price = fields.Float(readonly=True, copy=False)
+ bedrooms = fields.Integer(default=2)
+ living_area = fields.Integer("Living Area (sqm)")
+ facades = fields.Integer()
+ garage = fields.Boolean()
+ garden = fields.Boolean()
+ garden_area = fields.Integer("Garden Area (sqm)")
+ garden_orientation = fields.Selection(
+ selection=[('north', 'North'), ('south', 'South'), ('east', 'East'), ('west', 'West')]
+ )
+ total_living_area = fields.Integer("Total Area (sqm)", compute="_compute_total_area")
+ active = fields.Boolean(default=True)
+ state = fields.Selection(
+ selection=[
+ ("new", "New"),
+ ("received", "Offer Received"),
+ ("accepted", "Offer Accepted"),
+ ("sold", "Sold"),
+ ("cancelled", "Cancelled")
+ ],
+ string="Status",
+ required=True,
+ copy=False,
+ default="new"
+ )
+ property_type_id = fields.Many2one("estate.property.type")
+ buyer_id = fields.Many2one("res.partner", copy=False)
+ salesperson_id = fields.Many2one("res.users", default=lambda self: self.env.user)
+ tag_ids = fields.Many2many("estate.property.tag")
+ offer_ids = fields.One2many("estate.property.offer", "property_id")
+
+ _check_positive_expected_price = models.Constraint(
+ "CHECK(expected_price >= 0)",
+ "The expected price must be positive."
+ )
+ _check_positive_selling_price = models.Constraint(
+ "CHECK(selling_price >= 0)",
+ "The selling price must be positive"
+ )
+
+ @api.depends("living_area", "garden_area")
+ def _compute_total_area(self):
+ for record in self:
+ record.total_living_area = record.living_area + record.garden_area
+
+ @api.depends("offer_ids")
+ def _compute_highest_price(self):
+ for record in self:
+ record.best_offer = max(record.offer_ids.mapped("price")) if record.offer_ids else 0
+
+ @api.onchange("garden")
+ def _onchange_garden(self):
+ if self.garden:
+ self.garden_area = self.env["ir.config_parameter"].get_param("estate.default_garden_area")
+ self.garden_orientation = self.env["ir.config_parameter"].get_param("estate.default_garden_orientation")
+ else:
+ self.garden_area = 0
+ self.garden_orientation = None
+
+ @api.constrains("selling_price", "expected_price")
+ def _check_selling_price(self):
+ for record in self:
+ if record.selling_price and float_compare(record.selling_price, record.expected_price * .9, 0) == -1:
+ raise ValidationError("The selling price cannot be lower than 90% of the expected price.")
+
+ @api.ondelete(at_uninstall=False)
+ def _unlink_if_new_or_cancelled(self):
+ if any(record.state not in ('new', 'cancelled') for record in self):
+ raise UserError(_("Only 'New' and 'Cancelled' properties can be deleted."))
+
+ def action_mark_as_sold(self):
+ self.ensure_one()
+ if self.state == "cancelled":
+ raise UserError(_("A cancelled property cannot be set as sold."))
+ if not any(offer.status == "accepted" for offer in self.offer_ids):
+ raise UserError(_("A property must have an accepted offer to be marked as sold."))
+ self.state = "sold"
+ return True
+
+ def action_mark_as_cancelled(self):
+ self.ensure_one()
+ if self.state == "sold":
+ raise UserError(_("A sold property cannot be set as cancelled."))
+ self.state = "cancelled"
+ return True
diff --git a/estate/models/estate_property_offer.py b/estate/models/estate_property_offer.py
new file mode 100644
index 00000000000..5c2908d6a07
--- /dev/null
+++ b/estate/models/estate_property_offer.py
@@ -0,0 +1,68 @@
+from odoo import api, fields, models, _
+from odoo.exceptions import UserError
+
+
+class PropertyOfferModel(models.Model):
+ _name = "estate.property.offer"
+ _description = "Estate Property Offer model"
+ _order = "price desc"
+
+ price = fields.Float()
+ status = fields.Selection(
+ selection=[
+ ("accepted", "Accepted"),
+ ("refused", "Refused")
+ ],
+ copy=False
+ )
+ partner_id = fields.Many2one("res.partner", required=True)
+ property_id = fields.Many2one("estate.property", required=True)
+ property_type_id = fields.Many2one(related="property_id.property_type_id", store=True)
+ validity = fields.Integer(default=7)
+ date_deadline = fields.Date(compute="_compute_deadline", inverse="_inverse_deadline")
+
+ _check_price = models.Constraint(
+ "CHECK(price >= 0)",
+ "The price of the offer must be positive."
+ )
+
+ @api.depends("validity")
+ def _compute_deadline(self):
+ for record in self:
+ record.date_deadline = fields.Date.add((record.create_date or fields.Datetime.now()), days=record.validity)
+
+ def _inverse_deadline(self):
+ for record in self:
+ record.validity = (record.date_deadline - fields.Date.to_date(record.create_date)).days if record.date_deadline else record.validity
+
+ @api.model
+ def create(self, vals_list: list[dict]):
+ EstateProperties = self.env["estate.property"].with_prefetch(
+ [vals["property_id"] for vals in vals_list]
+ )
+ for val in vals_list:
+ estate_property = EstateProperties.browse(val["property_id"])
+ if estate_property.state == "sold":
+ raise UserError(_("Cannot create a new offer for a sold property."))
+ if estate_property.offer_ids and val["price"] < min(estate_property.offer_ids.mapped("price")):
+ raise UserError(_("Cannot create a new offer with a lower price than an existing offer."))
+ if estate_property.state == 'new':
+ estate_property.state = 'received'
+ return super().create(vals_list)
+
+ def action_accept_offer(self):
+ self.ensure_one()
+ self.status = "accepted"
+ self.property_id.selling_price = self.price
+ self.property_id.buyer_id = self.partner_id
+ self.property_id.state = "accepted"
+ self.refuse_all_other_offers()
+
+ def refuse_all_other_offers(self):
+ for offer in self.property_id.offer_ids:
+ if offer != self:
+ offer.status = "refused"
+
+ def action_refuse_offer(self):
+ self.ensure_one()
+ self.status = "refused"
diff --git a/estate/models/estate_property_tag.py b/estate/models/estate_property_tag.py
new file mode 100644
index 00000000000..7764bebd6e4
--- /dev/null
+++ b/estate/models/estate_property_tag.py
@@ -0,0 +1,15 @@
+from odoo import fields, models
+
+
+class PropertyTagModel(models.Model):
+ _name = "estate.property.tag"
+ _description = "Estate Property Tag model"
+ _order = "name"
+
+ name = fields.Char(required=True)
+ color = fields.Integer()
+
+ _check_tag_uniqueness = models.Constraint(
+ "UNIQUE(name)",
+ "Each tag should have a unique name."
+ )
diff --git a/estate/models/estate_property_type.py b/estate/models/estate_property_type.py
new file mode 100644
index 00000000000..1ac10368cc4
--- /dev/null
+++ b/estate/models/estate_property_type.py
@@ -0,0 +1,23 @@
+from odoo import api, fields, models
+
+
+class PropertyTypeModel(models.Model):
+ _name = "estate.property.type"
+ _description = "Estate Property Type model"
+ _order = "sequence"
+
+ name = fields.Char(required=True)
+ property_ids = fields.One2many("estate.property", "property_type_id")
+ offer_ids = fields.One2many("estate.property.offer", "property_type_id")
+ offer_count = fields.Integer("Offer Count", compute="_compute_offer_count")
+ sequence = fields.Integer("Sequence")
+
+ _check_type_uniqueness = models.Constraint(
+ "UNIQUE(name)",
+ "Each type should have a unique name."
+ )
+
+ @api.depends("offer_ids")
+ def _compute_offer_count(self):
+ for record in self:
+ record.offer_count = len(record.offer_ids)
diff --git a/estate/models/res_config_settings.py b/estate/models/res_config_settings.py
new file mode 100644
index 00000000000..bc8c7cea325
--- /dev/null
+++ b/estate/models/res_config_settings.py
@@ -0,0 +1,11 @@
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+ _inherit = "res.config.settings"
+
+ garden_area = fields.Integer(default=10, config_parameter="estate.default_garden_area")
+ garden_orientation = fields.Selection(
+ selection=[('north', 'North'), ('south', 'South'), ('east', 'East'), ('west', 'West')],
+ config_parameter="estate.default_garden_orientation"
+ )
diff --git a/estate/models/res_user.py b/estate/models/res_user.py
new file mode 100644
index 00000000000..095bfdcd4b4
--- /dev/null
+++ b/estate/models/res_user.py
@@ -0,0 +1,9 @@
+from odoo import fields, models
+
+
+class ResUser(models.Model):
+ _inherit = "res.users"
+
+ property_ids = fields.One2many(
+ "estate.property", "salesperson_id", domain=['|', ('state', '=', 'new'), ('state', '=', 'received')]
+ )
diff --git a/estate/security/ir.model.access.csv b/estate/security/ir.model.access.csv
new file mode 100644
index 00000000000..0c0b62b7fee
--- /dev/null
+++ b/estate/security/ir.model.access.csv
@@ -0,0 +1,5 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+estate.access_estate_property,access_estate_property,estate.model_estate_property,base.group_user,1,1,1,1
+estate.access_estate_property_type,access_estate_property_type,estate.model_estate_property_type,base.group_user,1,1,1,1
+estate.access_estate_property_tag,access_estate_property_tag,estate.model_estate_property_tag,base.group_user,1,1,1,1
+estate.access_estate_property_offer,access_estate_property_offer,estate.model_estate_property_offer,base.group_user,1,1,1,1
diff --git a/estate/tests/__init__.py b/estate/tests/__init__.py
new file mode 100644
index 00000000000..576617cccff
--- /dev/null
+++ b/estate/tests/__init__.py
@@ -0,0 +1 @@
+from . import test_estate_property
diff --git a/estate/tests/test_estate_property.py b/estate/tests/test_estate_property.py
new file mode 100644
index 00000000000..d00dbcd74b0
--- /dev/null
+++ b/estate/tests/test_estate_property.py
@@ -0,0 +1,107 @@
+from odoo.tests.common import TransactionCase
+from odoo.exceptions import UserError
+from odoo.tests import tagged, Form
+
+
+@tagged("post_install", "-at_install")
+class EstateTestCase(TransactionCase):
+
+ @classmethod
+ def setUpClass(cls):
+ super().setUpClass()
+ cls.ADMINISTRATOR_ID = cls.env.ref("base.partner_admin").id
+ cls.new_property = cls.env["estate.property"].create([{
+ "name": "New Property",
+ "state": "new",
+ "expected_price": 1000.0
+ }])
+ cls.received_property = cls.env["estate.property"].create([{
+ "name": "Received offer Property",
+ "state": "received",
+ "expected_price": 2000.0
+ }])
+ cls.accepted_property = cls.env["estate.property"].create([{
+ "name": "Accepeted offer Property",
+ "state": "accepted",
+ "expected_price": 3000.0
+ }])
+ cls.sold_property = cls.env["estate.property"].create([{
+ "name": "Sold Property",
+ "state": "new",
+ "expected_price": 4000.0
+ }])
+ cls.env["estate.property.offer"].create([{
+ "partner_id": cls.ADMINISTRATOR_ID,
+ "property_id": cls.sold_property.id,
+ "status": "accepted",
+ "price": 4000.0
+ }])
+ cls.sold_property.state = "sold"
+ cls.cancelled_property = cls.env["estate.property"].create([{
+ "name": "Cancelled Property",
+ "state": "cancelled",
+ "expected_price": 5000.0
+ }])
+ cls.env["estate.property.offer"].create([
+ {
+ "partner_id": cls.ADMINISTRATOR_ID,
+ "property_id": cls.accepted_property.id,
+ "status": "accepted",
+ "price": 3000.0
+ },
+ {
+ "partner_id": cls.ADMINISTRATOR_ID,
+ "property_id": cls.received_property.id,
+ "status": "refused",
+ "price": 1999.0
+ },
+ {
+ "partner_id": cls.ADMINISTRATOR_ID,
+ "property_id": cls.received_property.id,
+ "price": 2000.0
+ }
+ ])
+
+ def test_offer_for_sold_property(self):
+ offer_for_sold_property = {
+ "partner_id": EstateTestCase.ADMINISTRATOR_ID,
+ "property_id": self.sold_property.id
+ }
+ correct_offers = [
+ {"partner_id": EstateTestCase.ADMINISTRATOR_ID, "property_id": self.new_property.id, "price": 1000},
+ {"partner_id": EstateTestCase.ADMINISTRATOR_ID, "property_id": self.received_property.id, "price": 2000},
+ {"partner_id": EstateTestCase.ADMINISTRATOR_ID, "property_id": self.accepted_property.id, "price": 3000},
+ {"partner_id": EstateTestCase.ADMINISTRATOR_ID, "property_id": self.cancelled_property.id, "price": 5000},
+ ]
+ with self.assertRaises(UserError, msg="Creating an offer for a sold property should raise a UserError but it did not."):
+ self.env["estate.property.offer"].create([offer_for_sold_property])
+ for offer in correct_offers:
+ self.env["estate.property.offer"].create([offer])
+
+ def test_sell_property_with_no_accepted_offer(self):
+ non_sellable_properties = [
+ self.new_property,
+ self.received_property
+ ]
+ for property in non_sellable_properties:
+ with self.assertRaises(UserError):
+ property.action_mark_as_sold()
+ self.accepted_property.action_mark_as_sold()
+
+ def test_sold_state_correctly_set(self):
+ self.accepted_property.action_mark_as_sold()
+ self.assertEqual(self.accepted_property.state, "sold", "When a property is sold, its state should be set to 'sold'.")
+
+ def test_garden_area_orientation_reset(self):
+ property_form = Form(self.env["estate.property"])
+ self.assertFalse(property_form.garden)
+ self.assertEqual(property_form.garden_area, 0)
+ self.assertFalse(property_form.garden_orientation)
+ property_form.garden = True
+ self.assertTrue(property_form.garden)
+ self.assertEqual(property_form.garden_area, 10)
+ self.assertEqual(property_form.garden_orientation, "north")
+ property_form.garden = False
+ self.assertFalse(property_form.garden)
+ self.assertEqual(property_form.garden_area, 0)
+ self.assertFalse(property_form.garden_orientation)
diff --git a/estate/views/estate_menu_views.xml b/estate/views/estate_menu_views.xml
new file mode 100644
index 00000000000..69042027848
--- /dev/null
+++ b/estate/views/estate_menu_views.xml
@@ -0,0 +1,12 @@
+
+
+
diff --git a/estate/views/estate_property_offer_views.xml b/estate/views/estate_property_offer_views.xml
new file mode 100644
index 00000000000..4333fe0c7b1
--- /dev/null
+++ b/estate/views/estate_property_offer_views.xml
@@ -0,0 +1,45 @@
+
+
+ Property Offers
+ estate.property.offer
+ list,form
+ [('property_type_id', '=', active_id)]
+
+
+
+ estate.property.offer.list
+ estate.property.offer
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ estate.property.offer.form
+ estate.property.offer
+
+
+
+
+
diff --git a/estate/views/estate_property_tag_views.xml b/estate/views/estate_property_tag_views.xml
new file mode 100644
index 00000000000..2f1cbcb7b8a
--- /dev/null
+++ b/estate/views/estate_property_tag_views.xml
@@ -0,0 +1,18 @@
+
+
+ Property Tags
+ estate.property.tag
+ list,form
+
+
+
+ estate.property.tag.list
+ estate.property.tag
+
+
+
+
+
+
+
+
diff --git a/estate/views/estate_property_type_views.xml b/estate/views/estate_property_type_views.xml
new file mode 100644
index 00000000000..eae0f39815e
--- /dev/null
+++ b/estate/views/estate_property_type_views.xml
@@ -0,0 +1,57 @@
+
+
+ Property Types
+ estate.property.type
+ list,form
+
+
+
+ estate.property.type.form
+ estate.property.type
+
+
+
+
+
+
+ estate.property.type.list
+ estate.property.type
+
+
+
+
+
+
+
+
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
new file mode 100644
index 00000000000..c83a9b9d7fe
--- /dev/null
+++ b/estate/views/estate_property_views.xml
@@ -0,0 +1,135 @@
+
+
+ Properties
+ estate.property
+ list,form,kanban
+ {'search_default_available': True}
+
+
+
+ estate.property.list
+ estate.property
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ estate.property.form
+ estate.property
+
+
+
+
+
+
+ estate.property.search
+ estate.property
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ estate.property.kanban
+ estate.property
+
+
+
+
+
+
+
+ ()
+
+
+ Expected Price:
+
+
+
+ Best Offer:
+
+
+
+ Selling Price:
+
+
+
+
+
+
+
+
+
diff --git a/estate/views/estate_res_user_views.xml b/estate/views/estate_res_user_views.xml
new file mode 100644
index 00000000000..fde66af8cfd
--- /dev/null
+++ b/estate/views/estate_res_user_views.xml
@@ -0,0 +1,21 @@
+
+
+ res.users.form
+ res.users
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/estate/views/res_config_settings_views.xml b/estate/views/res_config_settings_views.xml
new file mode 100644
index 00000000000..a3851b741dd
--- /dev/null
+++ b/estate/views/res_config_settings_views.xml
@@ -0,0 +1,28 @@
+
+
+ Settings
+ res.config.settings
+ form
+
+
+
+ res.config.settings.view.form.inherit.estate
+ res.config.settings
+
+
+
+
+
+
+
+ sqm
+
+
+
+
+
+
+
+
+
+
diff --git a/estate_account/__init__.py b/estate_account/__init__.py
new file mode 100644
index 00000000000..0650744f6bc
--- /dev/null
+++ b/estate_account/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/estate_account/__manifest__.py b/estate_account/__manifest__.py
new file mode 100644
index 00000000000..a5cc3b3cc3f
--- /dev/null
+++ b/estate_account/__manifest__.py
@@ -0,0 +1,11 @@
+{
+ 'name': 'Estate Account',
+ 'depends': [
+ 'base',
+ 'account',
+ 'estate'
+ ],
+ 'data': [],
+ 'author': 'Odoo S.A.',
+ 'license': 'LGPL-3'
+}
diff --git a/estate_account/models/__init__.py b/estate_account/models/__init__.py
new file mode 100644
index 00000000000..5e1963c9d2f
--- /dev/null
+++ b/estate_account/models/__init__.py
@@ -0,0 +1 @@
+from . import estate_property
diff --git a/estate_account/models/estate_property.py b/estate_account/models/estate_property.py
new file mode 100644
index 00000000000..78ec297815f
--- /dev/null
+++ b/estate_account/models/estate_property.py
@@ -0,0 +1,39 @@
+import re
+
+from odoo import models, Command
+
+
+class EstateAccountPropertyModel(models.Model):
+ _inherit = "estate.property"
+
+ def action_mark_as_sold(self):
+ self.ensure_one()
+ self.env["account.move"].create({
+ "name": self._generate_invoice_name(),
+ "partner_id": self.salesperson_id.id,
+ "move_type": "out_invoice",
+ "line_ids": [
+ Command.create({
+ "name": self.name,
+ "quantity": 1,
+ "price_unit": self.selling_price
+ }),
+ Command.create({
+ "name": "VAT",
+ "quantity": 1,
+ "price_unit": self.selling_price * .06
+ }),
+ Command.create({
+ "name": "Administrative Fees",
+ "quantity": 1,
+ "price_unit": 100.00
+ })
+ ]
+ })
+ return super().action_mark_as_sold()
+
+ def _generate_invoice_name(self):
+ invoice = self.env["account.move"].search([("name", "like", "Invoice %")], order="id desc", limit=1)
+ if invoice and (match := re.match(r"Invoice\s+(\d+)", invoice.name)):
+ return f"Invoice {int(match.group(1)) + 1}"
+ return "Invoice 1"