HAZEI Onboarding

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': 'Odoo Tutorial Real Estate',
+    'category': 'Real Estate',
+    'version': '19.0.1.0',
+    'author': 'Hazei',
+    'summary': 'Real Estate Management Tutorial',
+    'depends': [
+        'base',
+    ],
+    'data': [
+        'security/ir.model.access.csv',
+        'views/estate_property_offer_view.xml',
+        'views/estate_property_tags_view.xml',
+        'views/estate_property_type.xml',
+        'views/estate_property_views.xml',
+        'views/res_users_views.xml',
+        'views/menu_views.xml',
+    ],
+    'application': True,
+    'license': 'LGPL-3',
+}

estate/models/__init__.py

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+from . import estate_property
+from . import estate_property_offer
+from . import estate_property_tags
+from . import estate_property_type
+from . import res_users

estate/models/estate_property.py

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+from datetime import date
+
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+from odoo.tools import float_compare
+
+
+class EstateProperty(models.Model):
+    # ---------------------------------------- Private Attributes ---------------------------------
+
+    _name = "estate.property"
+    _description = "Real Estate Property"
+    _order = "id desc"
+
+    _check_expected_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.')
+
+    # ---------------------------------------- Fields Declaration ---------------------------------
+
+    name = fields.Char(string="Title", required=True)
+    property_type = fields.Selection(
+        string='Property Type',
+        selection=[('house', 'House'), ('apartment', 'Apartment')])
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(copy=False, readonly=True, default=lambda self: date.today() + relativedelta(months=3))
+    expected_price = fields.Float("Expected Price", required=True)
+    selling_price = fields.Float("Selling Price", readonly=True, copy=False)
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer(string='Living Area (m2)')
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer(string='Garden Area (m2)')
+    garden_orientation = fields.Selection(
+        string='Garden Orientation',
+        selection=[('north', 'North'), ('south', 'South'),
+        ('east', 'East'), ('west', 'West')])
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        copy=False,
+        readonly=True,
+        default='new',
+        string='Property_States',
+        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)
+    salesman_id = fields.Many2one('res.users', string='Salesman', default=lambda self: self.env.user)
+    tags_ids = fields.Many2many('estate.property.tags', string='Tags')
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="offer")
+    total_area = fields.Integer(string='Total Area(m2)', compute='_compute_total_area', store=True)
+    best_price = fields.Float(string='Best Offer', compute='_compute_best_price', store=True)
+
+    @api.depends('living_area', 'garden_area')
+    def _compute_total_area(self):
+        for property in self:
+            property.total_area = property.living_area + property.garden_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
+
+    # ----------------------------------- Constrains and Onchanges --------------------------------
+
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price_expected_price(self):
+        for record in self:
+            if record.selling_price == 0:
+                continue
+            if float_compare(record.selling_price, 0.9 * record.expected_price, precision_digits=2) == -1:
+                raise UserError("The selling price must be at least 90% of the expected price.")
+
+    @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 = False
+
+    @api.onchange('offer_ids')
+    def _onchange_offers(self):
+        for record in self:
+            has_offers = any(offer.status not in ('refused', 'accepted') for offer in record.offer_ids)
+            if record.state == 'new' and has_offers:
+                record.state = 'offer_received'
+
+            if not has_offers and not any(offer.status == 'accepted' for offer in record.offer_ids) and record.state in ('offer_received',):
+                record.state = 'offer_receive'
+    # ------------------------------------------ CRUD Methods -------------------------------------
+
+    @api.ondelete(at_uninstall=False)
+    def _if_new_or_canceled(self):
+        if not set(self.mapped("state")) <= {"new", "canceled"}:
+            raise UserError("Only new and canceled properties can be deleted.")
+
+    # ---------------------------------------- Action Methods -------------------------------------
+
+    def action_set_sold(self):
+        if self.state == "cancelled":
+            raise UserError("A cancelled property can not be sold")
+        self.state = "sold"
+        return True
+
+    def action_set_cancelled(self):
+        if self.state == "sold":
+            raise UserError("A sold property can not be cancelled")
+        self.state = "cancelled"
+        return True

estate/models/estate_property_offer.py

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+from dateutil.relativedelta import relativedelta
+
+from odoo import models, fields, api
+from odoo.exceptions import UserError
+from odoo.tools import float_compare
+
+
+class EstatePropertyOffer(models.Model):
+
+    # ---------------------------------------- Private Attributes ---------------------------------
+
+    _name = 'estate.property.offer'
+    _description = 'Estate Property Offer'
+    _order = 'price desc'
+
+    # --------------------------------------- Fields Declaration ----------------------------------
+
+    price = fields.Float(string='price', required=True)
+    status = fields.Selection(selection=[('accepted', 'Accepted'), ('refused', 'Refused')], string="Status", copy=False)
+    validity = fields.Integer(string='Validity(days)', default=7)
+    partner_id = fields.Many2one('res.partner', string='Partner', required=True)
+    property_id = fields.Many2one('estate.property', required=True)
+    date_deadline = fields.Date(string='Deadline', compute='_compute_date_deadline', store=True)
+    property_type_id = fields.Many2one("estate.property.type", related="property_id.property_type_id", store=True, string="Property Type")
+
+    # ---------------------------------------- Compute methods ------------------------------------
+
+    @api.depends('validity', 'create_date')
+    def _compute_date_deadline(self):
+        for offer in self:
+            if not offer.create_date:
+                offer.date_deadline = fields.Date.today() + relativedelta(days=offer.validity)
+
+    # ------------------------------------------ CRUD Methods -------------------------------------
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            if vals.get("property_id") and vals.get("price"):
+                prop = self.env["estate.property"].browse(vals["property_id"])
+
+                if float_compare(vals["price"], prop.expected_price * 0.9, precision_rounding=0.01) < 0:
+                    raise UserError(
+                        "The offer price must be at least 90%% of the expected price.")
+
+                if prop.offer_ids:
+                    max_offer = max(prop.mapped("offer_ids.price"))
+                    if float_compare(vals["price"], max_offer, precision_rounding=0.01) <= 0:
+                        raise UserError(
+                            "The offer must be higher than %.2f" % max_offer)
+
+        new_offers = super().create(vals_list)
+
+        for offer in new_offers:
+            offer.property_id.state = "offer_received"
+
+        return new_offers
+
+    # ---------------------------------------- Action Methods -------------------------------------
+
+    def action_accept(self):
+        for offer in self:
+            if any(prop_offer.status == 'accepted' for prop_offer in offer.property_id.offer_ids):
+                raise UserError(
+                    "An offer has already been accepted for this property.")
+
+            if offer.status == 'refused':
+                raise UserError("A refused offer cannot be accepted.")
+
+            offer.status = 'accepted'
+            offer.property_id.write({
+                'state': 'offer_accepted',
+                'selling_price': offer.price,
+                'buyer_id': offer.partner_id.id,
+            })
+        return True
+
+    def action_refuse(self):
+        if any(offer.status == 'accepted' for offer in self):
+            raise UserError("An accepted offer cannot be refused.")
+        self.status = 'refused'
+        return True

estate/models/estate_property_tags.py

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+from odoo import models, fields
+
+
+class PropertyTypeTags(models.Model):
+
+    # ---------------------------------------- Private Attributes ---------------------------------
+    _name = 'estate.property.tags'
+    _description = 'Estate Property Tags'
+    _order = 'name'
+
+    # --------------------------------------- Fields Declaration ----------------------------------
+
+    name = fields.Char(required=True)
+    color = fields.Integer()

estate/models/estate_property_type.py

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+from odoo import api, fields, models
+
+
+class PropertyType(models.Model):
+
+    # ---------------------------------------- Private Attributes ---------------------------------
+
+    _name = 'estate.property.type'
+    _description = 'Estate Property Type'
+    _order = 'sequence, name'
+
+    # --------------------------------------- Fields Declaration ----------------------------------
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many('estate.property', 'property_type_id', string='Properties')
+    sequence = fields.Integer(string="Sequence", default=10)
+    offer_ids = fields.One2many("estate.property.offer", "property_type_id", string="Offers")
+    offer_count = fields.Integer(string="Offer Count", compute="_compute_offer_count")
+
+    # ---------------------------------------- Compute methods ------------------------------------
+
+    @api.depends("offer_ids")
+    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 fields, models
+
+
+class ResUsers(models.Model):
+
+    _inherit = "res.users"
+
+    property_ids = fields.One2many(
+        "estate.property", "salesman_id", string="Available Properties", domain=[("state", "in", ["new", "offer_received"])]
+    )

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_tags,access_estate_property_tags,model_estate_property_tags,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_property_offer_view.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_action" model="ir.actions.act_window">
+        <field name="name">Property</field>
+        <field name="res_model">estate.property</field>
+        <field name="view_mode">list,form</field>
+    </record>
+    <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 string="Property Offers" editable="bottom" decoration-danger="status=='refused'" decoration-success="status=='accepted'">
+                <field name="partner_id"/>
+                <field name="property_type_id"/>
+                <field name="price"/>
+                <field name="status"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="action_accept" type="object" icon="fa-check" title="Accept" invisible="status in ['accepted', 'refused']"/>
+                <button name="action_refuse" type="object" icon="fa-times" title="Refuse" invisible="status in ['accepted', 'refused']"/>
+            </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 string="Property Offer">
+                <sheet>
+                    <group>
+                        <field name="partner_id"/>
+                        <field name="price"/>
+                        <field name="status"/>
+                        <field name="validity"/>
+                        <field name="date_deadline"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_tags_view.xml

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+ <odoo>
+    <record id="estate_property_tags_action" model="ir.actions.act_window">
+        <field name="name">Property Tags</field>
+        <field name="res_model">estate.property.tags</field>
+        <field name="view_mode">list,form</field>
+    </record>
+    <record id="estate_property_tag_view_list" model="ir.ui.view">
+    <field name="name">estate.property.tag.list</field>
+    <field name="model">estate.property.tags</field>
+    <field name="arch" type="xml">
+        <list string="Property Tags" editable="bottom">
+            <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.tags</field>
+    <field name="arch" type="xml">
+        <form string="Property Tag">
+            <sheet>
+                <group>
+                    <field name="name"/>
+                </group>
+            </sheet>
+        </form>
+    </field>
+</record>
+</odoo>