[ADD] estate: add new module

.gitignore

@@ -127,3 +127,4 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+estate/models/ir_ui_view.py

estate/__init__.py

@@ -0,0 +1 @@
+from . import models

estate/__manifest__.py

@@ -0,0 +1,19 @@
+{
+    'name': 'Real Estate',
+    'version': '1.0',
+    'category': 'tutorials',
+    'depends': ['base'],
+    'data': [
+        'security/ir.model.access.csv',
+        'views/estate_property_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/estate_property_offer_views.xml',
+        'views/estate_menus.xml',
+    ],
+    'installable': True,
+    'application': True,
+    'author': 'Odoo S.A.',
+    'description': """Training module for real estate""",
+    'license': 'LGPL-3',
+}

estate/models/__init__.py

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+from . import estate_property, estate_property_type, estate_property_tag, estate_property_offer

estate/models/estate_property.py

@@ -0,0 +1,110 @@
+from odoo import fields, models, api
+from odoo.exceptions import UserError
+from odoo.tools import float_utils
+
+
+class EstateProperties(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Properties"
+
+    active = fields.Boolean(default=True)
+    bedrooms = fields.Integer(default=2)
+    best_price = fields.Float(compute="_compute_best_price", string="Best Offer")
+    buyer = fields.Many2one("res.partner", string="Buyer", copy=False)
+    description = fields.Text()
+    date_availability = fields.Date(
+        copy=False, default=lambda self: fields.Date.add(fields.Date.today(), months=3)
+    )
+    expected_price = fields.Float(required=True)
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        selection=[
+            ('north', "North"),
+            ('south', "South"),
+            ('east', "East"),
+            ('west', "West"),
+        ]
+    )
+    living_area = fields.Integer()
+    name = fields.Char(required=True)
+    postcode = fields.Char()
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    selling_price = fields.Float(readonly=True, copy=False)
+    state = fields.Selection(
+        selection=[
+            ('new', "New"),
+            ('offer received', "Offer Received"),
+            ('offer accepted', "Offer Accepted"),
+            ('sold', "Sold"),
+            ('canceled', "Canceled"),
+        ],
+        required=True,
+        copy=False,
+        default="new",
+    )
+    sales_person = fields.Many2one(
+        "res.users", string="Sales Person", default=lambda self: self.env.user
+    )
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    total_area = fields.Float(
+        compute="_compute_total_area", string="Total Area", store=True
+    )
+
+    _check_price = models.Constraint(
+        'check (expected_price >= 0)',
+        'The expected price must be strictly positive',
+    )
+
+    _check_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_area = record.living_area + record.garden_area
+
+    @api.depends("offer_ids.price")
+    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("garden")
+    def _onchange_garden(self):
+        for record in self:
+            if record.garden:
+                record.garden_area = 10
+                record.garden_orientation = "north"
+            else:
+                record.garden_area = 0
+                record.garden_orientation = False
+
+    @api.constrains("selling_price", "expected_price")
+    def _check_selling_price_constraint(self):
+        for record in self:
+            if float_utils.float_compare(
+                record.selling_price, record.expected_price * 0.9, precision_digits=2
+            ) < 0:
+                raise UserError(
+                    "The selling price cannot be lower than 90% of the expected price."
+                )
+
+    def action_sold(self):
+        for record in self:
+            if record.state == "canceled":
+                raise UserError("Canceled properties cannot be sold.")
+            record.state = "sold"
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == "sold":
+                raise UserError("Sold properties cannot be canceled.")
+            record.state = "canceled"

estate/models/estate_property_offer.py

@@ -0,0 +1,45 @@
+from odoo import models, fields, api
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer"
+
+    date_deadline = fields.Date(
+        string="Deadline",
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline",
+    )
+    price = fields.Float(string="Price")
+    partner_id = fields.Many2one("res.partner", string="Partner", required=True)
+    property_id = fields.Many2one("estate.property", string="Property", required=True)
+    status = fields.Selection(
+        selection=[('accepted', "Accepted"), ('refused', "Refused")], copy=False
+    )
+    validity = fields.Integer(string="Validity (days)", default=7)
+
+    @api.depends("create_date", "validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            create_date = record.create_date or fields.Date.today()
+            record.date_deadline = fields.Date.add(
+                fields.Date.to_date(create_date), days=record.validity
+            )
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            create_date = record.create_date or fields.Date.today()
+            record.validity = (
+                record.date_deadline - fields.Date.to_date(create_date)
+            ).days
+
+    def action_accept(self):
+        for record in self:
+            record.status = "accepted"
+            record.property_id.selling_price = record.price
+            record.property_id.buyer = record.partner_id
+            record.property_id.state = "offer accepted"
+
+    def action_refuse(self):
+        for record in self:
+            record.status = "refused"

estate/models/estate_property_tag.py

@@ -0,0 +1,13 @@
+from odoo import models, fields
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Estate Property Tag"
+
+    name = fields.Char(required=True)
+
+    _name_uniq = models.Constraint(
+        'unique(name)',
+        'Property tag name must be unique.',
+    )

estate/models/estate_property_type.py

@@ -0,0 +1,13 @@
+from odoo import fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Real Estate Property Types"
+
+    name = fields.Char(required=True)
+
+    _name_uniq = models.Constraint(
+        'unique(name)',
+        'Property type name must be unique.',
+    )

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,
+access_estate_property_type,access_estate_property_type,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

estate/views/estate_menus.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate"/>
+    <menuitem id="estate_menu_advertisement" name="Advertisement" parent="estate_menu_root" />
+    <menuitem id="estate_menu_property" name="Properties" parent="estate_menu_advertisement" action="estate_property_action" />
+    <menuitem id="estate_menu_settings" name="Settings" parent="estate_menu_root" />
+    <menuitem id="estate_menu_property_type" name="Property Types" parent="estate_menu_settings" action="estate_property_type_action" />
+    <menuitem id="estate_menu_property_tag" name="Property Tags" parent="estate_menu_settings" action="estate_property_tag_action" />
+</odoo>

estate/views/estate_property_offer_views.xml

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+<?xml version="1.0"?>
+<odoo>
+
+    <!-- List View -->
+    <record id="estate_property_offer_list_view" 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>
+                <field name="price"/>
+                <field name="date_deadline"/>
+                <field name="status"/>
+                <field name="partner_id"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form View -->
+    <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>
+                <sheet>
+                    <group>
+                        <field name="price"/>
+                        <field name="partner_id"/>
+                        <field name="validity"/>
+                        <field name="date_deadline"/>
+                        <field name="status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+</odoo>

estate/views/estate_property_tag_views.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<odoo>
+    <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>

estate/views/estate_property_type_views.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_type_action" model="ir.actions.act_window">
+        <field name="name">Property Types</field>
+        <field name="res_model">estate.property.type</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>