ollet - Technical Training

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+# noinspection statement-effect
+{
+    "name": "estate",
+    "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/res_users_views.xml",
+        "views/estate_menus.xml"
+    ],
+    "author": "Odoo S.A.",
+    "license": "AGPL-3"
+}

estate/models/__init__.py

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+from . import property
+from . import property_type
+from . import property_tag
+from . import property_offer
+from . import res_users

estate/models/property.py

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+from odoo import models, fields, api
+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 = "Real estate property"
+    _order = "id desc"
+
+    name = fields.Char(string="Title", required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        string="Available From",
+        copy=False,
+        default=lambda x: 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(string="Living Area (sqm)")
+    faces = fields.Integer(string="Facades")
+    has_garage = fields.Boolean(string="Garage")
+    has_garden = fields.Boolean(string="Garden")
+    garden_area = fields.Integer(string="Garden Area (sqm)")
+    garden_orientation = fields.Selection(
+        selection=[
+            ("north", "North"),
+            ("east", "East"),
+            ("south", "South"),
+            ("west", "West")
+        ]
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        default="new",
+        required=True,
+        copy=False,
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled")
+        ]
+    )
+    property_type_id = fields.Many2one("estate.property.type", string="Type")
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+    salesperson_id = fields.Many2one("res.users", string="Salesman", default=lambda self: self.env.user)
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+
+    total_area = fields.Float(compute="_compute_total_area")
+    best_price = fields.Float(string="Best Offer", compute="_compute_best_price")
+
+    # Constraints
+    _check_expected_price = models.Constraint(
+        "CHECK(expected_price > 0)",
+        "Expected price must be strictly positive",
+    )
+    _check_selling_price = models.Constraint(
+        "CHECK(selling_price >= 0)",
+        "Expected price must be positive",
+    )
+
+    @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.price")
+    def _compute_best_price(self):
+        for record in self:
+            record.best_price = max(record.offer_ids.mapped("price")) if record.offer_ids else 0.0
+
+    @api.constrains("expected_price", "selling_price")
+    def _check_expected_price_selling_price(self):
+        for record in self:
+            if not float_is_zero(record.selling_price, precision_digits=2) and \
+                    float_compare(record.expected_price * 0.90, record.selling_price, precision_digits=2) > 0:
+                raise ValidationError("Selling price must be above 90% of expected price")
+
+    @api.onchange("has_garden")
+    def _onchange_has_garden(self):
+        if self.has_garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = False
+
+    @api.ondelete(at_uninstall=False)
+    def prevent_unwanted_deletion(self):
+        if self.state not in ("new", "cancelled"):
+            raise UserError("Can only delete Property that are New or Cancelled")
+        return super().unlink()
+
+    def action_do_sold(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise UserError("Canceled property cannot be sold")
+            else:
+                record.state = "sold"
+        return True
+
+    def action_do_cancel(self):
+        for record in self:
+            if record.state == "sold":
+                raise UserError("Sold property cannot be canceled")
+            else:
+                record.state = "cancelled"
+        return True

estate/models/property_offer.py

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+from odoo import models, fields, api
+from odoo.exceptions import UserError
+
+
+class PropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Property Offer"
+    _order = "price desc"
+
+    price = fields.Float()
+    status = fields.Selection(
+        copy=False,
+        selection=[
+            ("accepted", "Accepted"),
+            ("refused", "Refused"),
+        ],
+    )
+    partner_id = fields.Many2one("res.partner", string="Partner", required=True)
+    property_id = fields.Many2one("estate.property", required=True)
+    property_id_state = fields.Selection(related="property_id.state")
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(
+        compute="_compute_date_deadline", inverse="_inverse_date_deadline"
+    )
+    property_type_id = fields.Many2one(
+        "estate.property.type", related="property_id.property_type_id", store=True
+    )
+
+    _check_price = models.Constraint(
+        "CHECK(price > 0)",
+        "Offer price must be strictly positive",
+    )
+
+    @api.depends("validity", "create_date")
+    def _compute_date_deadline(self):
+        for record in self:
+            base_date = record.create_date or fields.Date.today()
+            record.date_deadline = fields.Date.add(base_date, days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            base_date = (
+                fields.Date.to_date(record.create_date)
+                if record.create_date
+                else fields.Date.today()
+            )
+            record.validity = (record.date_deadline - base_date).days
+
+    @api.model
+    def create(self, vals_list):
+        for vals in vals_list:
+            property_id = self.env['estate.property'].browse(vals['property_id'])
+            property_id.state = 'offer_received'
+            for record in property_id.offer_ids:
+                if record.price > vals['price']:
+                    raise UserError("Cannot create an offer with a lower value than an existing one")
+        return super().create(vals_list)
+
+    def action_accept(self):
+        # TODO Investigate using write() to update records
+        for record in self:
+            if record.property_id.state in ("offer_accepted", "sold", "cancelled"):
+                err_msg = f"Cannot accept offer on property that is {record.property_id.state}"
+                raise UserError(err_msg)
+            record.status = "accepted"
+            record.property_id.buyer_id = record.partner_id
+            record.property_id.selling_price = record.price
+            record.property_id.state = "offer_accepted"
+        return True
+
+    def action_refuse(self):
+        for record in self:
+            record.status = "refused"
+        return True

estate/models/property_tag.py

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+from odoo import fields, models
+
+
+class PropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Property Tag"
+    _order = "name asc"
+
+    name = fields.Char(string="Name", required=True)
+    color = fields.Integer()
+
+    _name_uniq = models.Constraint(
+        "UNIQUE (name)",
+        "The name of the tag must be unique!",
+    )

estate/models/property_type.py

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+from odoo import models, fields
+
+
+class PropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Property Type"
+    _order = "sequence asc"
+
+    name = fields.Char(string="Name", required=True)
+    property_ids = fields.One2many("estate.property", "property_type_id", string="Properties")
+    sequence = fields.Integer(default=1, help="Used to order type. Lower is better.")
+    offer_ids = fields.One2many("estate.property.offer", "property_type_id")
+    offer_count = fields.Integer(compute="_compute_offer_count")
+
+    _name_uniq = models.Constraint(
+        "UNIQUE (name)",
+        "The name of the type must be unique!",
+    )
+
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)

estate/models/res_users.py

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+from odoo import models, fields, api
+from odoo.exceptions import UserError
+
+
+class ResUser(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many('estate.property', 'salesperson_id', name='Properties',
+                                   domain=[('state', 'in', ['offer_received', 'new'])])

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_menus.xml

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+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_advertisements_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_settgins_menu" 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_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="property_id_state in ('offer_accepted', 'sold', 'cancelled')"
+                />
+                <button name="action_refuse" title="Refuse" type="object"
+                        icon="oi-close"
+                        invisible="property_id_state in ('offer_accepted', 'sold', 'cancelled')"
+                />
+            </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>
+                <group>
+                    <field name="price"/>
+                    <field name="partner_id"/>
+                    <field name="date_deadline"/>
+                    <field name="validity"/>
+                    <field name="status"/>
+                </group>
+            </form>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?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>
+    <record id="estate_property_tag_view_tree" model="ir.ui.view">
+        <field name="name">estate.property.tag.list</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <list editable="top">
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+    <record id="estate_property_tag_view_form" 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>
+                <sheet>
+                    <div class="oe_title">
+                        <h1>
+                            <group>
+                                <field name="name"/>
+                            </group>
+                        </h1>
+                    </div>
+                    <group>
+                        <field name="color"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+    <record id="estate_property_tag_view_search" model="ir.ui.view">
+        <field name="name">estate.property.tag.search</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <search>
+                <field name="name"/>
+            </search>
+        </field>
+    </record>
+</odoo>