training-hoelg

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "estate",
+    "depends": [
+        "base",
+    ],
+    "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/estate_menus.xml",
+    ],
+    "application": True,
+    "installable": True,
+    "author": "Gendi (HOELG)",
+    "license": "LGPL-3",
+}

estate/models/__init__.py

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+from . import (
+    estate_property,
+    estate_property_offer,
+    estate_property_tag,
+    estate_property_type,
+)

estate/models/estate_property.py

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+import logging
+
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools import float_compare, float_is_zero
+
+logger = logging.getLogger(__name__)
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Real state property"
+    _order = "id DESC"
+
+    name = fields.Char(required=True, string="Title")
+    description = fields.Text()
+    property_type_id = fields.Many2one(
+        comodel_name="estate.property.type",
+        string="Type",
+    )
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False,
+        default=fields.Date.today() + relativedelta(months=3),
+        string="Available From",
+    )
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(readonly=True, copy=False)
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer(string="Living Area (sqm)")
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer(string="Garden Area (sqm)")
+    garden_orientation = fields.Selection(
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+    )
+    total_area = fields.Integer(
+        compute="_compute_total_area", string="Total Area (sqm)",
+    )
+    state = fields.Selection(
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        default="new",
+    )
+    active = fields.Boolean(default=True)
+    seller = fields.Many2one(
+        comodel_name="res.users",
+        string="Salesman",
+        default=(lambda self: self.env.user),
+    )
+    buyer = fields.Many2one(
+        comodel_name="res.partner",
+        copy=False,
+    )
+    tag_ids = fields.Many2many(
+        comodel_name="estate.property.tag",
+        string="Tags",
+    )
+    offer_ids = fields.One2many(
+        comodel_name="estate.property.offer",
+        inverse_name="property_id",
+        string="Offers",
+    )
+    best_offer = fields.Float(compute="_compute_best_offer")
+
+    _check_positive_expected_price = models.Constraint(
+        "CHECK(expected_price > 0)",
+        "Expected Price must be positive!",
+    )
+    _check_positive_selling_price = models.Constraint(
+        "CHECK(selling_price > 0)",
+        "Selling Price must be positive!",
+    )
+    _name_uniq = models.Constraint(
+        "UNIQUE(name)",
+        "A property with this name already exists!",
+    )
+
+    @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_offer(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 = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = None
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError("Sold properties cannot be cancelled.")
+            record.state = "cancelled"
+
+    def action_sold(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise UserError("Cancelled properties cannot be sold")
+            record.state = "sold"
+
+    @api.constrains("selling_price", "expected_price")
+    def _check_reasonable_selling_price(self):
+        for record in self:
+            if (
+                not float_is_zero(record.selling_price, precision_digits=2)
+                and float_compare(record.selling_price, 0.9 * record.expected_price, precision_digits=2) == -1
+            ):
+                raise ValidationError("Selling price cannot be lower than 90% of the expected price")

estate/models/estate_property_offer.py

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+from datetime import timedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "an amount a potential buyer offers to the seller"
+    _order = "price DESC"
+
+    price = fields.Float()
+    status = fields.Selection(
+        selection=[
+            ("accepted", "Accepted"),
+            ("refused", "Refused"),
+        ],
+        copy=False,
+    )
+    partner_id = fields.Many2one(
+        comodel_name="res.partner",
+        required=True,
+    )
+    property_id = fields.Many2one(
+        comodel_name="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_date_deadline",
+        inverse="_inverse_date_deadline",
+        string="Deadline",
+    )
+
+    _check_positive_price = models.Constraint(
+        "CHECK(price > 0)",
+        "Offer price must be positive!",
+    )
+
+    @api.depends("validity", "create_date")
+    def _compute_date_deadline(self):
+        for record in self:
+            record.date_deadline = (
+                record.create_date or fields.Date.today()
+            ) + timedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            record.validity = (
+                record.date_deadline - fields.Date.to_date(record.create_date)
+            ).days
+
+    def action_refuse(self):
+        self.ensure_one()
+        self.status = "refused"
+
+    def action_accept(self):
+        self.ensure_one()
+        # TODO: property state should be readonly and just check on state == 'offer_accepted'
+        if any(offer.status == 'accepted' for offer in self.property_id.offer_ids):
+            raise UserError("Property already has another accepted offer.")
+        # TODO: consider checking other property states
+        self.status = "accepted"
+        self.property_id.buyer = self.partner_id
+        self.property_id.selling_price = self.price
+        self.property_id.state = 'offer_accepted'

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class PropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Tag to be applied to a property"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _name_uniq = models.Constraint(
+        "UNIQUE(name)",
+        "A property tag with this 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 = "Type of a real estate property"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer("Sequence", default=1, help="Used to order property types. Lower is better.")
+    property_ids = fields.One2many(
+        comodel_name="estate.property",
+        inverse_name="property_type_id",
+        string="Properties",
+    )
+    offer_ids = fields.One2many(
+        comodel_name="estate.property.offer",
+        inverse_name="property_type_id",
+        string="Offers",
+    )
+    offer_count = fields.Integer(compute="_compute_offer_count", string="Offer count")
+
+    @api.depends("offer_ids")
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)

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,1,1,1,1

estate/views/estate_menus.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="advertisement" name="Advertisement">
+            <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="settings" name="Settings">
+            <menuitem id="estate_property_type_menu_action" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_menu_action" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <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="Property Offer">
+                <sheet>
+                    <group>
+                        <field name="price"/>
+                        <field name="partner_id"/>
+                        <field name="validity"/>
+                        <field name="date_deadline"/>
+                        <field name="status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_view_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 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" title="Accept" type="object" icon="fa-check" invisible="status"/>
+                <button name="action_refuse" title="Refuse" type="object" icon="fa-times" invisible="status"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_action" model="ir.actions.act_window">
+        <field name="name">Property offer</field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="view_mode">list,form</field>
+        <field name="domain">[('property_type_id', '=', active_id)]</field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_tag_view_tree" 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,form</field>
+    </record>
+</odoo>