tutorial server framework joemo

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Real estate",
+    "author": "Odoo",
+    "license": "LGPL-3",
+    "depends": ["base"],
+    "application": True,
+    "data": [
+        "security/ir.model.access.csv",
+        "views/estate_property_offer_views.xml",
+        "views/estate_property_type_views.xml",
+        "views/estate_property_tag_views.xml",
+        "views/estate_property_views.xml",
+        "views/res_user_views.xml",
+        "views/estate_menus.xml",
+    ],
+}

estate/models/__init__.py

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+from . import estate_property
+from . import estate_property_offer
+from . import estate_property_tag
+from . import estate_property_type
+from . import res_users

estate/models/estate_property.py

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+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "sequence, id desc"
+
+    name = fields.Char("Title", required=True)
+    sequence = fields.Integer(default=1)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        "Available From", default=lambda self: fields.Date.today() + relativedelta(months=3), copy=False
+    )
+    expected_price = fields.Float(required=True)
+    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([("north", "North"), ("south", "South"), ("east", "East"), ("west", "West")])
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        [
+            ("new", "New"),
+            ("offer", "Offer Received"),
+            ("accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("canceled", "Cancelled"),
+        ],
+        default="new",
+        readonly=True,
+    )
+    property_type_id = fields.Many2one("estate.property.type")
+    salesman_id = fields.Many2one("res.users", copy=False, default=lambda self: self.env.user)
+    buyer_id = fields.Many2one("res.partner", copy=False, readonly=True)
+    tag_ids = fields.Many2many("estate.property.tag")
+    offer_ids = fields.One2many("estate.property.offer", "property_id")
+    total_area = fields.Integer("Total Area (sqm)", compute="_compute_total_area")
+    best_offer = fields.Float(compute="_compute_best_offer")
+
+    _check_expected_price = models.Constraint("CHECK(expected_price>0)", "The expected price needs to be bigger then 0")
+    _check_selling_price = models.Constraint("CHECK(selling_price>=0)", "The selling price needs to be positive")
+
+    @api.depends("garden_area", "living_area")
+    def _compute_total_area(self):
+        for estate_property in self:
+            estate_property.total_area = estate_property.living_area + estate_property.garden_area
+
+    @api.depends("offer_ids.price")
+    def _compute_best_offer(self):
+        for estate_property in self:
+            estate_property.best_offer = max(estate_property.offer_ids.mapped("price"), default=None)
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        self.garden_area = 10 if self.garden else 0
+        self.garden_orientation = "north" if self.garden else None
+
+    @api.constrains("selling_price", "expected_price")
+    def _check_selling_price(self):
+        for estate_property in self:
+            if (
+                not float_is_zero(estate_property.selling_price, 2)
+                and float_compare(estate_property.selling_price, estate_property.expected_price * 0.9, 2) < 0
+            ):
+                raise ValidationError("The property can not be sold for a price lower than 90% of the expected price")
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_property(self):
+        if any(estate_property.state not in ["new", "canceled"] for estate_property in self):
+            raise UserError("Only properties with state new or canceled can be removed!")
+
+    def action_state_to_sold(self):
+        self.ensure_one()
+        if self.state == "canceled":
+            raise UserError("Canceled properties can not be sold")
+        if not [offer for offer in self.offer_ids if offer.status == 'accepted']:
+            raise UserError("Properties can not be marked as sold if there is no accepted offer")
+        self.state = "sold"
+
+    def action_state_to_canceled(self):
+        self.ensure_one()
+        if self.state == "sold":
+            raise UserError("Sold properties can not be canceled")
+        self.state = "canceled"
+
+    def accept_offer(self, price, buyer):
+        self.ensure_one()
+        if self.state not in ["new", "offer"]:
+            raise UserError(
+                "An offer can can only be accepted when the building is still for sale and no other offer is already accepted"
+            )
+        self.selling_price = price
+        self.buyer_id = buyer
+        self.state = "accepted"
+
+    def offer_made(self, price):
+        self.ensure_one()
+        if self.state not in ["new", "offer"]:
+            raise UserError(
+                "An offer can can only be accepted when the building is still for sale and no other offer is already accepted"
+            )
+        if float_compare(price, self.best_offer, 2) <= 0:
+            raise UserError("Only offers that are over the current best offer can be accepted")
+        self.state = "offer"

estate/models/estate_property_offer.py

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+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer"
+    _order = "price desc"
+
+    price = fields.Float()
+    status = fields.Selection([("accepted", "Accepted"), ("refused", "Refused")], copy=False)
+    partner_id = fields.Many2one("res.partner", required=True)
+    property_id = fields.Many2one("estate.property", required=True)
+    validity = fields.Integer("Validity (days)", default=7)
+    date_deadline = fields.Date("Deadline", compute="_calculate_date_deadline", inverse="_inverse_date_deadline")
+    property_type_id = fields.Many2one(related="property_id.property_type_id", store=True)
+
+    _check_price = models.Constraint("CHECK(price>0)", "The selling price needs to be bigger then 0")
+
+    @api.depends("validity", "create_date")
+    def _calculate_date_deadline(self):
+        for offer in self:
+            offer.date_deadline = (offer.create_date or fields.Date.today()) + relativedelta(days=offer.validity)
+
+    def _inverse_date_deadline(self):
+        for offer in self:
+            offer.validity = (offer.date_deadline - fields.Date.today()).days
+
+    @api.model
+    def create(self, vals_list):
+        for vals in vals_list:
+            self.env["estate.property"].browse(vals["property_id"]).offer_made(vals["price"])
+        return super().create(vals_list)
+
+    def action_accept_offer(self):
+        self.ensure_one()
+        if self.status:
+            raise UserError("The offer was already revised")
+        self.property_id.accept_offer(self.price, self.partner_id)
+        self.status = "accepted"
+
+    def action_refuse_offer(self):
+        self.ensure_one()
+        if self.status:
+            raise UserError("The offer was already revised")
+        self.status = "refused"

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Estate Property Tag"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _unique_name = models.UniqueIndex(
+        "(name)",
+        "Another entry with the same name already exists.",
+    )

estate/models/estate_property_type.py

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+from odoo import api, fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Estate property type"
+    _order = "name"
+
+    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(compute="_compute_offer_count")
+
+    _unique_name = models.UniqueIndex(
+        "(name)",
+        "Another entry with the same name already exists.",
+    )
+
+    @api.depends("offer_ids")
+    def _compute_offer_count(self):
+        for property_type in self:
+            property_type.offer_count = len(property_type.offer_ids)

estate/models/res_users.py

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+from odoo import fields, models
+
+
+class ResUsers(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many("estate.property", "salesman_id")

estate/security/ir.model.access.csv

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+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_estate_property,access_estate_property,model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type,access_estate_property_type,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag,access_estate_property_tag,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer,access_estate_property_offer,model_estate_property_offer,base.group_user,1,1,1,0
+access_estate_property_offer_admin,access_estate_property_offer_admin,model_estate_property_offer,base.group_system,1,1,1,1

estate/tests/__init__.py

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+from . import test_estate_property
+from . import test_estate_property_offer

estate/tests/test_estate_property.py

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+from odoo.exceptions import UserError
+from odoo.tests import TransactionCase, tagged, Form
+
+
+@tagged('post_install', '-at_install')
+class TestEstateProperty(TransactionCase):
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+
+    def test_mark_as_sold_without_offer(self):
+        self.property = self.env['estate.property'].create({
+            'name': 'property1',
+            'expected_price': 100,
+            'state': 'offer'
+        })
+        with self.assertRaises(UserError):
+            self.property.action_state_to_sold()
+
+    def test_reset_garden(self):
+        self.property = self.env['estate.property'].create({
+            'name': 'property',
+            'expected_price': 100,
+            'garden': True,
+            'garden_area': 20,
+            'garden_orientation': 'north'
+        })
+        with Form(self.property) as f1:
+            f1.garden = False
+        self.assertFalse(self.property.garden, 'the garden should not be there anymore')
+        self.assertEqual(self.property.garden_area, 0, "garden area should be reset")
+        self.assertFalse(self.property.garden_orientation, "garden orientation is expected to be unset")

estate/tests/test_estate_property_offer.py

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+from odoo.exceptions import UserError
+from odoo.tests import TransactionCase, tagged
+
+
+@tagged('post_install', '-at_install')
+class TestEstatePropertyOffer(TransactionCase):
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+
+        cls.buyer = cls.env['res.partner'].create({'name': 'buyer'})
+
+    def test_good_offer(self):
+        self.property = self.env['estate.property'].create({
+            'name': 'property1',
+            'expected_price': 100,
+        })
+        self.env['estate.property.offer'].create({
+            'price': 90,
+            'partner_id': self.buyer.id,
+            'property_id': self.property.id,
+        })
+        self.assertRecordValues(self.property.offer_ids, [
+            {'price': 90, 'partner_id': self.buyer.id}
+        ])
+        self.assertEqual(self.property.state, "offer")
+
+    def test_offer_for_sold(self):
+        self.property = self.env['estate.property'].create({
+            'name': 'property1',
+            'expected_price': 100,
+            'state': 'sold'
+        })
+        with self.assertRaises(UserError):
+            self.env['estate.property.offer'].create({
+                'price': 90,
+                'partner_id': self.buyer.id,
+                'property_id': self.property.id,
+            })
+        self.assertFalse(self.property.offer_ids, "after failure there should be no offer added")
+        self.assertEqual(self.property.state, "sold", "after failure the state should not change")

estate/views/estate_menus.xml

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+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_advertisement_menu" name="Advertisement">
+            <menuitem id="estate_property_menu" name="Properties" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_settings_menu" name="Settings">
+            <menuitem id="estate_property_type" name="Property Types" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag" name="Property Tags" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<odoo>
+    <record id="estate_property_offer_view_list" model="ir.ui.view">
+        <field name="name">estate.property.offer.view.list</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <list string="Offers" editable="bottom"
+                  decoration-success="status == 'accepted'"
+                  decoration-danger="status == 'refused'">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="action_accept_offer" type="object" title="Accept" icon="fa-check" invisible="status"/>
+                <button name="action_refuse_offer" type="object" title="Refuse" icon="fa-times" invisible="status"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_action" model="ir.actions.act_window">
+        <field name="name">Offers</field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="view_mode">list</field>
+        <field name="domain">[('property_type_id', '=', active_id)]</field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<odoo>
+    <record id="estate_property_tag_view_list" model="ir.ui.view">
+        <field name="name">estate.property.tag.view.list</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <list string="Tags" editable="bottom">
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Property Tags</field>
+        <field name="res_model">estate.property.tag</field>
+        <field name="view_mode">list</field>
+    </record>
+</odoo>