19.0 technical training coleo

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': 'Real Estate',
+    'author': 'Odoo S.A.',
+    'license': 'LGPL-3',
+    'depends': ['base'],
+    'data': [
+        'security/ir.model.access.csv',
+        '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_menu.xml',
+    ],
+    'application': True,
+}

estate/models/__init__.py

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

estate/models/estate_property.py

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+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class Property(models.Model):
+    _name = "estate.property"
+    _description = "Estate property"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False,
+        default=lambda self: fields.Date.add(
+            fields.Date.today(),
+            months=3,
+        ),
+    )
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(
+        readonly=True,
+        copy=False,
+    )
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer()
+    facades = fields.Integer()
+    has_garage = fields.Boolean()
+    has_garden = fields.Boolean()
+    garden_area = fields.Integer()
+    total_area = fields.Integer(compute="_compute_total_area")
+    garden_orientation = fields.Selection(
+        string="Garden Orientation",
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        string="State",
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        default="new",
+        required=True,
+        copy=False,
+    )
+    type_id = fields.Many2one("estate.property.type")
+    partner_id = fields.Many2one(
+        "res.partner",
+        string="Buyer",
+        index=True,
+        copy=False,
+    )
+    user_id = fields.Many2one(
+        "res.users",
+        string="Salesperson",
+        index=True,
+        default=lambda self: self.env.user,
+    )
+    tag_ids = fields.Many2many("estate.property.tag")
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    best_price = fields.Float(compute="_compute_best_price")
+
+    _check_expected_price_positive = models.Constraint(
+        "CHECK(expected_price >= 0)",
+        "The Expected Price should be positive.",
+    )
+    _check_selling_price_positive = models.Constraint(
+        "CHECK(selling_price >= 0)",
+        "The Selling Price should be positive.",
+    )
+
+    @api.constrains("selling_price")
+    def _check_selling_price(self):
+        for record in self:
+            if (not float_is_zero(record.selling_price, 2)) and float_compare(
+                record.selling_price, (record.expected_price * 0.9), 2,
+            ) < 0:
+                msg = (
+                    r"The selling price cannot be lower than 90% of the expected price"
+                )
+                raise ValidationError(msg)
+
+    @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")
+    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("has_garden")
+    def _onchange_hjas_garden(self):
+        if self.has_garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = False
+
+    def cancel_property(self):
+        if self.state == "sold":
+            msg = "A sold property cannot be cancelled"
+            raise UserError(msg)
+        self.state = "cancelled"
+        return True
+
+    def sell_property(self):
+        if self.state == "cancelled":
+            msg = "A cancelled property cannot be sold"
+            raise UserError(msg)
+        if not ("accepted" in self.offer_ids.mapped("status")):
+            msg = "A offer need to be accepted before selling"
+            raise UserError(msg)
+        self.state = "sold"
+        return True

estate/models/estate_property_offer.py

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+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class Offer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Offer for a property of Estate"
+
+    price = fields.Float(required=True)
+    status = fields.Selection(
+        selection=[
+            ("accepted", "Accepted"),
+            ("refused", "Refused"),
+        ],
+        copy=False,
+    )
+    partner_id = fields.Many2one(
+        "res.partner",
+        string="Partner",
+        index=True,
+        required=True,
+    )
+    property_id = fields.Many2one("estate.property", required=True)
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(
+        compute="_compute_deadline",
+        inverse="_inverse_deadline",
+    )
+
+    _check_price_positive = models.Constraint(
+        "CHECK(price >= 0)",
+        "The Price of an Offer should be positive.",
+    )
+
+    @api.depends("validity")
+    def _compute_deadline(self):
+        for record in self:
+            if record.create:
+                record_date = fields.Date.today()
+            else:
+                record_date = record.create_date
+            record.date_deadline = fields.Date.add(
+                record_date,
+                days=record.validity,
+            )
+
+    def _inverse_deadline(self):
+        for record in self:
+            record.validity = (
+                record.date_deadline - fields.Date.to_date(record.create_date)
+            ).days
+
+    def confirm_offer(self):
+        if "accepted" in self.property_id.offer_ids.mapped("status"):
+            msg = "Property already sold"
+            raise UserError(msg)
+        self.status = "accepted"
+        self.property_id.selling_price = self.price
+        return True
+
+    def refuse_offer(self):
+        if self.status == "accepted":
+            self.property_id.selling_price = 0
+        self.status = "refused"
+        return True

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class Type(models.Model):
+    _name = "estate.property.tag"
+    _description = "Tag of property of Estate"
+
+    name = fields.Char(required=True)
+
+    _uniq_name = models.Constraint(
+        "unique(name)",
+        "A tag name should be unique.",
+    )

estate/models/estate_property_type.py

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+from odoo import fields, models
+
+
+class Type(models.Model):
+    _name = "estate.property.type"
+    _description = "Type of property of Estate"
+
+    name = fields.Char(required=True)
+
+    _uniq_name = models.Constraint(
+        "unique(name)",
+        "A Type name should be unique.",
+    )

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_user","access_estate_property","model_estate_property","base.group_user",1,1,1,1
+"access_estate_property_type_user","access_estate_property_type","model_estate_property_type","base.group_user",1,1,1,1
+"access_estate_property_tag_user","access_estate_property_tag","model_estate_property_tag","base.group_user",1,1,1,1
+"access_estate_property_offer_user","access_estate_property_offer","model_estate_property_offer","base.group_user",1,1,1,1

estate/views/estate_menu.xml

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+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_first_level_menu_advertisements" name="Advertisements">
+            <menuitem id="estate_menu_action_property_list" action="estate_property_show_list" name="Properties"/>
+        </menuitem>
+        <menuitem id="estate_first_level_menu_settings" name="Settings">
+            <menuitem id="estate_menu_action_property_type_list" action="estate_property_type_show_list" name="Property Types"/>
+            <menuitem id="estate_menu_action_property_tag_list" action="estate_property_tag_show_list" name="Property Tags"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<odoo>
+    <record id="estate_property_view_offer_tree" model="ir.ui.view">
+        <field name="name">estate.property.offer.list</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <list string="Offers">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="confirm_offer" string="Confirm" type="object" icon="fa-check"/>
+                <button name="refuse_offer" string="Refuse" type="object" icon="fa-times"/>
+                <field name="status"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_view_form" model="ir.ui.view">
+        <field name="name">estate.property.offer.form</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <form string="Offer">
+                <group>
+                    <field name="price"/>
+                    <field name="partner_id"/>
+                    <field name="validity"/>
+                    <field name="date_deadline"/>
+                </group>
+            </form>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<odoo>
+    <record id="estate_property_tag_show_list" model="ir.actions.act_window">
+        <field name="name">Tags</field>
+        <field name="res_model">estate.property.tag</field>
+        <field name="view_mode">list</field>
+    </record>
+</odoo>

estate/views/estate_property_type_views.xml

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+<odoo>
+    <record id="estate_property_type_show_list" model="ir.actions.act_window">
+        <field name="name">Types</field>
+        <field name="res_model">estate.property.type</field>
+        <field name="view_mode">list</field>
+    </record>
+</odoo>