19.0 tutorials pkhu

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': "estate",
+    'author': "pkhu",
+    'license': "LGPL-3",
+    'depends': ['base'],
+    'application': True,
+    'data': [
+        'security/ir.model.access.csv',
+        'views/estate_property_views.xml',
+        'views/estate_property_maintenance_view.xml',
+        'views/estate_property_offer_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/res_users_views.xml',
+        'views/estate_menus.xml',
+    ],
+}

estate/models/__init__.py

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+from . import estate_property
+from . import estate_property_offer
+from . import estate_property_tag
+from . import etsate_property_type
+from . import estate_property_maintenance
+from . import res_users

estate/models/estate_property.py

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+from datetime import timedelta
+
+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 = 'estate property details'
+    _order = 'id desc'
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False, default=lambda self: fields.Date.today() + timedelta(days=90)
+    )
+    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)")
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer(string="Garden Area (sqm)")
+    garden_orientation = fields.Selection(
+        selection=[
+            ('north', "North"),
+            ('west', "West"),
+            ('east', "East"),
+            ('south', "South"),
+        ]
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        selection=[
+            ('new', "New"),
+            ('offer_received', "Offer Received"),
+            ('offer_accepted', "Offer Accepted"),
+            ('sold', "Sold"),
+            ('cancelled', "Cancelled"),
+        ],
+        default='new',
+        copy=False,
+        required=True,
+    )
+    property_type_id = fields.Many2one(
+        'estate.property.type', string="Property Type")
+    user_id = fields.Many2one('res.users', string="Salesperson")
+    partner_id = fields.Many2one('res.partner', string="Buyer", readonly=True)
+    tag_ids = fields.Many2many('estate.property.tag', string="Tags")
+    offer_ids = fields.One2many(
+        'estate.property.offer', 'property_id')
+    total_area = fields.Integer(
+        compute='_compute_total_area', string="Total Area(sqm)")
+    best_price = fields.Float(compute='_compute_best_price', store=True)
+    property_maintainance_ids = fields.One2many(
+        'estate.property.maintenance', 'property_id')
+    total_maintenance_cost = fields.Float(
+        compute='_compute_total_maintenance_cost')
+
+    _check_expected_price = models.Constraint(
+        'CHECK(expected_price > 0)',
+        "The Expected price cannot be negative or zero."
+    )
+    _check_selling_price = models.Constraint(
+        'CHECK(selling_price > 0)',
+        "The Selling price cannot be negative."
+    )
+
+    @api.depends('garden_area', 'living_area')
+    def _compute_total_area(self):
+        self.total_area = self.living_area + self.garden_area
+
+    @api.depends('offer_ids.price')
+    def _compute_best_price(self):
+        for record in self:
+            if record.offer_ids.mapped('price'):
+                record.best_price = max(record.offer_ids.mapped('price'))
+            else:
+                record.best_price = None
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = None
+            self.garden_orientation = None
+
+    @api.constrains('selling_price', 'expected_price')
+    def _constraint_selling_price(self):
+        if float_is_zero(self.selling_price, precision_rounding=0.01):
+            return
+        if float_compare(self.selling_price, self.expected_price * 0.9, precision_rounding=0.01) < 0:
+            raise ValidationError(
+                "Selling price cannot be lower than 90% of the expected price.")
+
+    def action_property_sold(self):
+        if self.state == 'cancelled':
+            raise UserError("Cancelled property cannot be sold.")
+        else:
+            for record in self.property_maintainance_ids:
+                if record.status != 'done':
+                    raise UserError("Maintenance Request are still pending.")
+            self.state = "sold"
+
+    def action_property_cancel(self):
+        if self.state == 'sold':
+            raise UserError("Sold property cannot be Cancelled.")
+        else:
+            self.state = "cancelled"
+
+    @api.depends('property_maintainance_ids.cost')
+    def _compute_total_maintenance_cost(self):
+        for record in self:
+            if record.property_maintainance_ids:
+                record.total_maintenance_cost = sum(
+                    record.property_maintainance_ids.mapped('cost'))
+            else:
+                record.total_maintenance_cost = 0.00
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_property(self):
+        if self.state not in ['new', 'cancelled']:
+            raise UserError("Only new and cancelled property can be deleted.")

estate/models/estate_property_maintenance.py

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+from odoo import models, fields, api
+from odoo.exceptions import UserError
+from odoo.tools.float_utils import float_is_zero
+
+
+class PropertyMantainance(models.Model):
+    _name = 'estate.property.maintenance'
+    _description = 'show propety maintenance request'
+
+    name = fields.Char(string="Title", required=True)
+    cost = fields.Float()
+    status = fields.Selection(selection=[(
+        'new', "New"), ('approved', "Approved"), ('done', "Done")], default='new')
+    property_id = fields.Many2one('estate.property')
+
+    @api.onchange('status')
+    def _onchange_status(self):
+        for record in self:
+            if record.status == 'approved' and float_is_zero(record.cost, precision_rounding=0.01):
+                raise UserError("Cost must be greater than zero.")

estate/models/estate_property_offer.py

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+from datetime import timedelta
+
+from odoo import models, fields, api
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare
+
+
+class PropertyOffer(models.Model):
+    _name = 'estate.property.offer'
+    _description = 'Property offer for each property.'
+    _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(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)',
+        "The Offer price cannot be negative."
+    )
+
+    @api.depends('validity')
+    def _compute_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = record.create_date + \
+                    timedelta(days=record.validity)
+            else:
+                record.date_deadline = fields.Date.today() + timedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            if record.date_deadline:
+                record.validity = (
+                    record.date_deadline - record.create_date.date()
+                ).days
+            else:
+                record.validity = (record.date_deadline - fields.Date.today())
+
+    def action_accepted(self):
+        accepect_records = self.property_id.offer_ids.filtered(
+            lambda o: o.status == 'accepted')
+        if accepect_records:
+            raise UserError("Only one offer can be accepted.")
+        self.status = "accepted"
+        self.property_id.partner_id = self.partner_id
+        self.property_id.selling_price = self.price
+        self.property_id.state = 'offer_accepted'
+
+    def action_refused(self):
+        if self.status == 'accepted':
+            self.property_id.partner_id = None
+            self.property_id.selling_price = None
+            self.property_id.state = 'offer_received'
+        self.status = "refused"
+
+    @api.ondelete(at_uninstall=False)
+    def _ondelete_offer(self):
+        for records in self:
+            if records.status == 'accepted':
+                raise ValidationError("Accepted offer cannot be deleted.")
+
+    @api.model
+    def create(self, vals):
+        for val in vals:
+            price = val.get('price')
+            property_id = val.get('property_id')
+            property = self.env['estate.property'].browse(property_id)
+            if property.state == "new":
+                property.best_price = price
+            elif float_compare(price, property.best_price, precision_rounding=0.01) < 0:
+                raise UserError(
+                    f"Price should be greater than {property.best_price}")
+            else:
+                property.best_price = price
+            if property and property.state == 'new':
+                property.state = 'offer_received'
+
+        return super().create(vals)

estate/models/estate_property_tag.py

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+from odoo import models, fields
+
+
+class PropertyTag(models.Model):
+    _name = 'estate.property.tag'
+    _description = 'Property Tags to describe property such new, renovated...'
+    _order = 'name'
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _unique_name = models.Constraint(
+        'UNIQUE(name)',
+        "Property Tag must be unique."
+    )

estate/models/etsate_property_type.py

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+from odoo import models, fields, api
+
+
+class PropertyType(models.Model):
+    _name = 'estate.property.type'
+    _description = 'Define Type of property (House, Apartment, Penthouse, Castle…)'
+    _order = 'sequence, name desc'
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many('estate.property', 'property_type_id')
+    sequence = fields.Integer(default=10)
+    offer_ids = fields.One2many('estate.property.offer', 'property_type_id')
+    offer_count = fields.Integer(compute='_compute_offer_count')
+
+    _unique_name = models.Constraint(
+        'UNIQUE(name)',
+        "Property Type must be unique."
+    )
+
+    @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', 'user_id')

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
+model_estate,model_estate,model_estate_property,base.group_user,1,1,1,1
+model_estate_type,model_estate_type,model_estate_property_type,base.group_user,1,1,1,1
+model_estate_tag,model_estate_tag,model_estate_property_tag,base.group_user,1,1,1,1
+model_estate_offer,model_estate_offer,model_estate_property_offer,base.group_user,1,1,1,1
+model_estate_maintenance,model_estate_maintenance,model_estate_property_maintenance,base.group_user,1,1,1,1

estate/views/estate_menus.xml

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+<odoo>
+
+    <menuitem id="estate_menu" name="estate">
+        <menuitem id="estate_advertisements" name="Advertisements">
+            <menuitem id="estate_advertisements_properties" action="estate_property_action"/>
+            <!-- <menuitem id="estate_advertisements_property_offer" action="estate_property_offer_action"/> -->
+        </menuitem>
+
+        <menuitem id="estate_settings" name="Settings">
+            <menuitem id="estate_settings_property_type" action="estate_property_type_action"/>
+            <menuitem id="estate_settings_property_tag" action="estate_property_tag_action"/>
+            <menuitem id="estate_settings_property_maintenance" action="estate_property_maintenance_action"/>
+        </menuitem>
+    </menuitem>
+
+</odoo>

estate/views/estate_property_maintenance_view.xml

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+<odoo>
+
+    <record id="estate_property_maintenance_view_list" model="ir.ui.view">
+        <field name='name'>estate.property.maintenance.view.list</field>
+        <field name='model'>estate.property.maintenance</field>
+        <field name="arch" type="xml">
+            <list string="Channel">
+                <field name="name"/>
+                <field name="property_id"/>
+                <field name="cost"/>
+                <field name="status"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_maintenance_action" model="ir.actions.act_window">
+        <field name='name'>Maintenance Request</field>
+        <field name='res_model'>estate.property.maintenance</field>
+        <field name='view_mode'>list,form</field>
+    </record>
+
+</odoo>