sevan - Technical Training

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': "Sevan Estate",
+    'license': 'LGPL-3',
+    'depends': ['base'],
+    'summary': "Just a simple estate app for Sevan.",
+    'application': True,
+    'installable': True,
+
+    'data': [
+        'security/ir.model.access.csv',
+
+        # Be careful with the order!
+        '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',
+    ],
+    'author': "Sevan Corp.",
+}

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.tools.float_utils import float_compare, float_is_zero
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from datetime import datetime
+from dateutil.relativedelta import relativedelta
+
+
+class Property(models.Model):
+    # Model definition
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "id desc"
+
+    # Fields
+    name = fields.Char('Title', required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        'Available From',
+        default=datetime.today() + relativedelta(months=3),
+        copy=False,
+    )
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(
+        readonly=True,
+        copy=False,
+    )
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer('Living Area (sqm)')
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer('Garden Area (sqm)')
+    garden_orientation = fields.Selection(
+        string='Orientation',
+        selection=[
+            ('north', 'North'),
+            ('south', 'South'),
+            ('east', 'East'),
+            ('west', 'West'),
+        ],
+    )
+    total_area = fields.Integer("Total Area (sqm)", compute="_compute_total_area")
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    buyer = fields.Many2one("res.partner", copy=False)
+    salesman = fields.Many2one("res.users", default=lambda self: self.env.user)
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    offer_ids = fields.One2many("estate.property.offer", "property_id")
+    best_price = fields.Float(compute="_compute_best_price")
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        selection=[
+            ('new', 'New'),
+            ('offer_received', 'Offer Received'),
+            ('offer_accepted', 'Offer Accepted'),
+            ('sold', 'Sold'),
+            ('cancelled', 'Cancelled'),
+        ],
+        required=True,
+        copy=False,
+        default='new',
+        store=True,
+        compute='_compute_if_offer',
+    )
+
+    _check_expected_price = models.Constraint(
+        'CHECK(expected_price > 0)',
+        'The expected price should be strictly positive.',
+    )
+
+    @api.constrains('expected_price', 'selling_price')
+    def _check_selling_price_above_90(self):
+        for record in self:
+            if (not float_is_zero(record.selling_price, precision_digits=0) and
+            float_compare(record.selling_price, record.expected_price * 0.9, precision_digits=0) == -1):
+                raise ValidationError("The selling price should be at least 90% of the expected price.")
+
+    @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:
+            record.best_price = max(record.offer_ids.mapped("price")) if record.offer_ids else 0.0
+
+    @api.depends("offer_ids")
+    def _compute_if_offer(self):
+        for record in self:
+            if (record.state == 'new' and len(record.offer_ids) > 0):
+                record.state = 'offer_received'
+
+    @api.onchange("garden")
+    def _onchange_garden_values(self):
+        self.garden_area = 10 if self.garden else 0
+        self.garden_orientation = 'north' if self.garden else None
+
+    def action_cancel_property(self):
+        if self.state == 'sold':
+            raise UserError("You can't cancel a property that is already sold.")
+        self.state = 'cancelled'
+        return True
+
+    def action_sold_property(self):
+        if self.state == 'cancelled':
+            raise UserError("You can't sell a property that is cancelled.")
+        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
+from datetime import datetime
+from dateutil.relativedelta import relativedelta
+
+
+class PropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer"
+    _order = "price desc"
+
+    price = fields.Float()
+    status = fields.Selection(
+        selection=[
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused'),
+        ],
+        copy=False,
+    )
+    partner_id = fields.Many2one(
+        "res.partner",
+        string="Partner",
+        required=True,
+    )
+    property_id = fields.Many2one(
+        "estate.property",
+        string="Property",
+        required=True,
+    )
+    validity = fields.Integer("Validity (days)", default=7)
+    date_deadline = fields.Date("Deadline", compute="_compute_deadline", inverse="_inverse_deadline")
+    property_type_id = fields.Many2one("estate.property.type", store=True, related="property_id.property_type_id")
+
+    _check_price = models.Constraint(
+        'CHECK(price > 0.00)',
+        "The offer's amount should be strictly positive.",
+    )
+
+    @api.depends("validity")
+    def _compute_deadline(self):
+        for record in self:
+            if not record.create_date:
+                record.create_date = datetime.today()
+            record.date_deadline = record.create_date + relativedelta(days=record.validity)
+
+    def _inverse_deadline(self):
+        for record in self:
+            if not record.create_date:
+                record.create_date = datetime.today()
+            record.validity = (record.date_deadline - record.create_date.date()).days
+
+    def action_accept_offer(self):
+        if any(record != self and record.status == 'accepted' for record in self.property_id.offer_ids):
+            raise UserError("Only one offer can be accepted")
+        self.status = 'accepted'
+        self.property_id.buyer = self.partner_id
+        self.property_id.selling_price = self.price
+        self.property_id.state = 'offer_accepted'
+        return True
+
+    def action_refuse_offer(self):
+        for record in self:
+            if record.status == 'accepted':
+                record.property_id.buyer = None
+                record.property_id.selling_price = 0.00
+            record.status = 'refused'

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class PropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Estate Property Tag"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _check_tag_name_unique = models.Constraint(
+        'UNIQUE(name)',
+        'This tag already exists.',
+    )

estate/models/estate_property_type.py

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+from odoo import fields, models, api
+
+
+class PropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Estate Property Type"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many("estate.property", "property_type_id")
+    sequence = fields.Integer("Sequence", default=1)
+    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

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+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,1,1,1,0
+estate.access_estate_property_type,access_estate_property_type,estate.model_estate_property_type,base.group_user,1,1,1,0
+estate.access_estate_property_tag,access_estate_property_tag,estate.model_estate_property_tag,base.group_user,1,1,1,0
+estate.access_estate_property_offer,access_estate_property_offer,estate.model_estate_property_offer,base.group_user,1,1,1,0

estate/views/estate_menus.xml

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+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Sevan Estate">
+        <menuitem id="estate_first_level_menu" name="Advertisements">
+            <menuitem id="estate_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_settings_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_list" 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" string="offers" 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_offer" string="Accept" type="object"
+                icon="fa-check" invisible="status"/>
+                <button name="action_refuse_offer" string="Refuse" type="object"
+                icon="fa-times" invisible="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>
+                <sheet>
+                    <group>
+                        <group>
+                            <field name="price"/>
+                            <field name="partner_id"/>
+                            <field name="validity"/>
+                            <field name="date_deadline"/>
+                        </group>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_action" model="ir.actions.act_window">
+        <field name="name">Property Offers</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_list" 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" string="Tags">
+                <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>
+                    <group>
+                        <field name="name"/>
+                    </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,form</field>
+    </record>
+</odoo>

estate/views/estate_property_type_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_type_view_list" 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 string="Properties">
+                <field name="sequence" widget="handle"/>
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_type_view_form" 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>
+                <header>
+                    <button class="oe_stat_button" type="action"
+                    name="%(estate.estate_property_offer_action)d" icon="fa-money">
+                        <field name="offer_count" widget="statinfo" string="Offers"/>
+                    </button>
+                </header>
+                <sheet>
+                    <h1>
+                        <field name="name"/>
+                    </h1>
+                    <notebook>
+                        <page string="Properties">
+                            <field name="property_ids">
+                                <list>
+                                    <field name="name"/>
+                                    <field name="expected_price"/>
+                                    <field name="state"/>
+                                </list>
+                            </field>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </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>