[ADD] Estate: init

.gitignore

@@ -127,3 +127,6 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+
+.vscode/

estate/__init__.py

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

estate/__manifest__.py

@@ -0,0 +1,19 @@
+{
+    'name': 'Estate',
+    'version': '1.0',
+    'depends': ['base'],
+    'author': 'Odoo S.A.',
+    'application': True,
+    'installable': True,
+    'category': '',
+    'description': '',
+    'license': 'LGPL-3',
+    '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_menus.xml'
+    ]
+}

estate/models/__init__.py

@@ -0,0 +1,4 @@
+from . import estate_property
+from . import estate_property_type
+from . import estate_property_tag
+from . import estate_property_offer

estate/models/estate_property.py

@@ -0,0 +1,108 @@
+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "id desc"
+    _check_expected_price = models.Constraint(
+        'CHECK(expected_price > 0)',
+        'The expected price should be stricly positive'
+    )
+    _check_selling_price = models.Constraint(
+        'CHECK(selling_price >= 0)',
+        'The selling price should be positive'
+    )
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(copy=False, default=fields.Date.add(fields.Date.today(), 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()
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        string='Orientation',
+        selection=[
+                ('north', 'North'),
+                ('west', 'West'),
+                ('south', 'South'),
+                ('east', 'East')
+            ],
+        help="Choose the appropriate orientation of the garden"
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        string="Estate status",
+        selection=[('new', 'New'), ('offer_received', 'Offer Received'), ('offer_accepted', 'Offer Accepted'), ('sold', 'Sold'), ('cancelled', 'Cancelled')],
+        help='This field explain the estate status.',
+        required=True,
+        copy=False,
+        default='new'
+    )
+    property_type_id = fields.Many2one("estate.property.type", string="Type")
+    seller_id = fields.Many2one("res.users", string="Salesman", default=lambda self: self.env.user, domain="[('type', '=', 'internal')]")
+    buyer_id = fields.Many2one("res.partner", string="Buyer", domain="[('type', '=', 'portal')]")
+    tag_ids = fields.Many2many("estate.property.tag")
+    offer_ids = fields.One2many("estate.property.offer", "property_id")
+    total_area = fields.Float(compute="_compute_total_area", string="Total Area (sqm)")
+    best_price = fields.Float(compute="_compute_best_offer", string="Best Offer")
+
+    @api.depends("garden_area", "living_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.garden_area + record.living_area
+
+    @api.depends("offer_ids")
+    def _compute_best_offer(self):
+        for record in self:
+            record.best_price = max(record.offer_ids.mapped("price")) if len(record.offer_ids) > 0 else 0.0
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        for record in self:
+            if not record.garden:
+                record.garden_area = 0
+                record.garden_orientation = ''
+            else:
+                record.garden_area = 10
+                record.garden_orientation = 'north'
+
+    def estate_property_action_sold(self):
+        self.__estate_property_action_sold_cancel('sold', "A cancelled property cannot be sold!", "This property is already sold!")
+
+    def estate_property_action_cancel(self):
+        self.__estate_property_action_sold_cancel('cancelled', "A sold property cannot be cancelled!", "This property is already cancelled!")
+
+    def __estate_property_action_sold_cancel(self, target, error_message, error_same_target_message):
+        for record in self:
+            # exclude target from next condition
+            if record.state == target:
+                raise UserError(error_same_target_message)
+            # easiest way to exclude the other state
+            elif record.state in ('sold', 'cancelled'):
+                raise UserError(error_message)
+            # the property can be sold/cancelled
+            else:
+                record.state = target
+
+    @api.constrains('selling_price')
+    def _check_price_constraint(self):
+        for record in self:
+            if record.selling_price and float_compare(record.selling_price, record.expected_price * 0.9, precision_digits=4) < 0:
+                raise ValidationError("The price cannot be les than 90% of the expected price")
+
+    @api.onchange("offer_ids")
+    def _onchange_offer_ids(self):
+        for record in self:
+            if len(record.offer_ids) > 0:
+                record.state = "offer_received"
+            else:
+                record.state = "new"

estate/models/estate_property_offer.py

@@ -0,0 +1,58 @@
+from odoo import api, fields, models
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer"
+    _order = "price desc"
+    _check_offer_price = models.Constraint(
+        'CHECK(price > 0)',
+        'The offer price should be stricly positive'
+    )
+
+    price = fields.Float()
+    status = fields.Selection(
+        string="Status",
+        copy=False,
+        selection=[
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused')
+        ]
+    )
+    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_date_deadline", inverse="_inverse_date_deadline")
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            record.date_deadline = fields.Date.add(fields.Date.today(), days=record.validity)
+
+    @api.onchange("date_deadline")
+    def _inverse_date_deadline(self):
+        for record in self:
+            record.validity = (record.date_deadline - fields.Date.today()).days
+
+    def action_accept_offer(self):
+        for record in self:
+            if record.status == 'accepted':
+                return False
+            record.property_id.selling_price = record.price
+            record.property_id.buyer_id = record.partner_id
+            for offer in record.property_id.offer_ids:
+                offer.status = "refused"
+            record.status = 'accepted'
+            record.property_id.state = 'offer_accepted'
+        return True
+
+    def action_refuse_offer(self):
+        for record in self:
+            record.status = "refused"
+        return True
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_if_deleted(self):
+        for record in self:
+            record.property_id.selling_price = 0.0

estate/models/estate_property_tag.py

@@ -0,0 +1,10 @@
+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()

estate/models/estate_property_type.py

@@ -0,0 +1,18 @@
+from odoo import api, fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Estate Property Types"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many("estate.property", "property_type_id")
+    sequence = fields.Integer('Sequence', default=1, help="Used to order estate property types.")
+    offer_ids = fields.One2many("estate.property.offer", "property_type_id")
+    offer_count = fields.Integer(compute="_compute_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

@@ -0,0 +1,6 @@
+id,name,model_id/id,group_id/id,perm_read,perm_write,perm_create,perm_unlink
+access_estate_model,estate_property_users,model_estate_property,base.group_user,1,1,1,1
+access_estate_model_type,estate_property_type_users,model_estate_property_type,base.group_user,1,1,1,1
+portal_access_estate_model,estate_property_portal,model_estate_property,base.group_portal,1,0,0,0
+access_estate_model_tag,estate_property_tag_users,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_model_offer,estate_property_offer_users,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Estate">
+        <menuitem id="estate_first_level_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+        </menuitem>
+
+        <menuitem id="estate_property_type_settings_menu" name="Settings">
+            <menuitem id="estate_property_type_menu" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_menu" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <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 string="Offers" editable="bottom" decoration-success="status == 'accepted'" decoration-danger="status == 'refused'">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity" string="Validity (days)"/>
+                <field name="date_deadline" string="Deadline"/>
+                <button type="object" name="action_accept_offer" title="accept" icon="fa-check" invisible="status in ('accepted', 'refused')"/>
+                <button type="object" name="action_refuse_offer" title="refuse" icon="fa-times" invisible="status in ('accepted', 'refused')"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_action" model="ir.actions.act_window">
+        <field name="name">Offer</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

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <record id="estate_property_tag_form_view" model="ir.ui.view">
+        <field name="name">estate.property.tag.form</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <form string="New Tag">
+                <sheet>
+                    <group>
+                        <h1><field name="name" placeholder="New property tag"/></h1>
+                    </group>
+                </sheet>
+            </form>
+        </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>

estate/views/estate_property_type_views.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_type_form_view" model="ir.ui.view">
+        <field name="name">estate.property.type.form</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <form string="New Type">
+                <sheet>
+                    <group class="border-bottom">
+                        <group>
+                            <h1><field name="name" nolabel="1" placeholder="New property type"/></h1>
+                        </group>
+                        <group>
+                            <div class="d-flex flex-row-reverse">
+                                <button class="oe_stat_button border" name="%(estate.estate_property_offer_action)d" type="action" string="Stat button" icon="fa-money">
+                                    <field name="offer_count"/>
+                                </button>
+                            </div>
+                        </group>
+                    </group>
+                    <notebook>
+                        <page string="Properties">
+                            <field name="property_ids">
+                                <list>
+                                    <field name="name"/>
+                                    <field name="expected_price"/>
+                                    <field name="state" string="Status"/>
+                                </list>
+                            </field>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_type_list_view" model="ir.ui.view">
+        <field name="name">estate.property.type.list</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="sequence" widget="handle"/>
+                <field name="name" string="Type"/>
+            </list>
+        </field>
+    </record>
+
+    <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>