19.0 tutorial dhvag

estate/__init__.py

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

estate/__manifest__.py

@@ -0,0 +1,23 @@
+{
+    'name': "Estate",
+    'version': '1.0',
+    'depends': ['base'],
+    'author': 'Dhrudeep',
+    'description': """
+        This module provides functionality to manage real estate properties.
+        """,
+    'data': [
+        'security/ir.model.access.csv',
+        'views/estate_property_tag_views.xml',
+        'views/estate_property_offer_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_views.xml',
+        'views/estate_property_maintenance_requests_view.xml',
+        'views/estate_investor_profile_view.xml',
+        'views/estate_res_users_view.xml',
+        'views/estate_menus.xml',
+    ],
+    'category': 'Tutorial',
+    'license': 'LGPL-3',
+    'application': True,
+}

estate/models/__init__.py

@@ -0,0 +1,7 @@
+from . import estate_property
+from . import estate_property_type
+from . import estate_property_tag
+from . import estate_property_offer
+from . import estate_property_maintenance_requests
+from . import res_users
+from . import estate_investor_profile

estate/models/estate_investor_profile.py

@@ -0,0 +1,9 @@
+from odoo import fields, models
+
+
+class EstatePropertyInvestor(models.Model):
+    _name = 'estate.property.investor'
+    _description = 'Estate Property investor'
+
+    name = fields.Many2one('res.partner', string="investor")
+    property_ids = fields.One2many('estate.property', 'buyer_ids')

estate/models/estate_property.py

@@ -0,0 +1,137 @@
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+
+
+class EstateProperty(models.Model):
+    _name = 'estate.property'
+    _description = 'Estate Property Planning'
+    _order = 'id desc'  # defaultvalue = asc
+
+    name = fields.Char(required=True, default="Unknown")
+    description = fields.Text()
+    postcode = fields.Float()
+    date_availability = fields.Date(
+        "Available From", copy=False, default=lambda self: fields.Date.today() + relativedelta(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()
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        selection=[
+            ('north', "North"),
+            ('west', "West"),
+            ('east', "East"),
+            ('south', "South"),
+        ],
+        help="Direction for the garden"
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        selection=[
+            ('new', "New"),
+            ('offer_received', "Offer Received"),
+            ('offer_accepted', "Offer Accepted"),
+            ('sold', "Sold"),
+            ('cancelled', "Cancelled"),
+        ],
+        string="Status",
+        default='new',
+    )
+    property_type_id = fields.Many2one(
+        'estate.property.type', string="Property Type")
+    seller_id = fields.Many2one(
+        'res.users', string="Salesman", default=lambda self: self.env.user
+    )
+    buyer_ids = fields.Many2one(
+        'res.partner', string="Partner/Buyer", copy=False)
+    tags_ids = fields.Many2many('estate.property.tag')
+    offer_ids = fields.One2many('estate.property.offer', 'property_id')
+    total_area = fields.Float(compute='_compute_total_area')
+    best_price = fields.Float(
+        "Best offer", compute='_compute_best_price', store=True)
+    property_maintenance_requests = fields.One2many(
+        'estate.property.maintenance.requests', 'property_id')
+    total_maintenance_cost = fields.Float(
+        compute='_compute_total_maintenance_cost', string="Total Maintenance Cost")
+    is_favorite = fields.Boolean(string="Favorite")
+
+    # SQL Constraint
+    _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")
+
+    # Python Constriant
+    @api.constrains('selling_price', 'expected_price')
+    def _check_price(self):
+        if self.buyer_ids and self.selling_price < (self.expected_price * 0.9):
+            raise ValidationError(
+                "The selling price must be at least 90% of the expected price! You must reduce the expected price if you want to accept this offer.")
+
+    # Compute Methods
+    # Depends Decorator
+    @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.price')
+    def _compute_best_price(self):
+        result = dict(self.env['estate.property.offer']._read_group(
+            [('property_id', 'in', self.ids)],
+            ['property_id'],
+            ['price:max']
+        ))
+        for record in self:
+            record.best_price = result.get(record, 0)
+
+    @api.depends('property_maintenance_requests.cost')
+    def _compute_total_maintenance_cost(self):
+        result = dict(self.env['estate.property.maintenance.requests']._read_group(
+            [('property_id', 'in', self.ids)],
+            ['property_id'],
+            ['cost:sum']
+        ))
+        for record in self:
+            record.total_maintenance_cost = result.get(record, 0)
+
+    # Onchange Decorator
+    @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
+
+    # Action Methods
+    def action_sold(self):
+        if 'cancelled' in self.mapped('state'):
+            raise UserError("Cancelled properties cannot be sold.")
+        else:
+            for record in self:
+                if record.property_maintenance_requests.status != 'done':
+                    raise UserError(
+                        "Property cannot be sold if there is any maintenance request not done.")
+        return self.write({'state': 'sold'})
+
+    def action_cancel(self):
+        if 'sold' in self.mapped('state'):
+            raise UserError("Sold properties cannot be cancelled.")
+        return self.write({'state': 'cancelled'})
+
+    # Ondelete Decorator
+    @api.ondelete(at_uninstall=False)
+    def _check_state(self):
+        for record in self:
+            if record.state in ('offer_received', 'offer_accepted'):
+                raise UserError(
+                    "Only new and canceled properties can be deleted.")

estate/models/estate_property_maintenance_requests.py

@@ -0,0 +1,23 @@
+from odoo import api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class EstatePropertyMaintenanceRequests(models.Model):
+    _name = 'estate.property.maintenance.requests'
+    _description = 'Estate Property Maintenance Requests'
+
+    title = fields.Char()
+    cost = fields.Float()
+    status = fields.Selection(
+        default='new',
+        copy=False,
+        selection=[('new', "New"), ('approved', "Approved"), ('done', "Done")],
+    )
+    property_id = fields.Many2one('estate.property', required=True)
+
+    # Constraint Decorator
+    @api.constrains('status', 'cost')
+    def _check_cost(self):
+        if self.status == 'approved' and self.cost <= 0:
+            raise ValidationError(
+                "The cost must be greater than zero.")

estate/models/estate_property_offer.py

@@ -0,0 +1,80 @@
+from dateutil.relativedelta import relativedelta
+from odoo import api, fields, models
+
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = 'estate.property.offer'
+    _description = 'Estate Property offer'
+    # _order = 'price desc'
+
+    price = fields.Float("Price")
+    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)
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(
+        compute='_compute_date_deadline', inverse='_inverse_date_deadline')
+    property_type_id = fields.Many2one(
+        related='property_id.property_type_id', store=True)
+
+    # SQL Constraint
+    _check_offer_price = models.Constraint(
+        'CHECK(price > 0)', "The selling price must be  positive")
+
+    # Compute Methods
+    # Depends Decorator
+    @api.depends('create_date', 'validity')
+    def _compute_date_deadline(self):
+        for offer in self:
+            date = offer.create_date.date() if offer.create_date else fields.Date.today()
+            offer.date_deadline = date + relativedelta(days=offer.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            start_date = (
+                record.create_date.date() if record.create_date else fields.Date.today()
+            )
+            record.validity = (record.date_deadline - start_date).days
+
+    # Model Decorator
+    @api.model
+    def create(self, vals):
+        for vals in vals:
+            property_id = vals.get('property_id')
+            if property_id:
+                result = self.env['estate.property.offer']._read_group(
+                    [('property_id', '=', property_id)],
+                    [],
+                    ['price:max']
+                )
+                max_offer = result[0][0] if result else 0.0
+                if vals.get('price', 0.0) <= max_offer:
+                    raise UserError(
+                        "The offer must be higher than existing offers.")
+                self.env['estate.property'].browse(
+                    property_id).state == 'offer_received'
+        return super().create(vals)
+
+    # Action Funcitons
+    def action_accept(self):
+        for record in self:
+            if record.property_id.state != 'offer_accepted':
+                record.status = 'accepted'
+                record.property_id.selling_price = record.price
+                record.property_id.buyer_ids = self.partner_id
+                record.property_id.state = 'offer_accepted'
+            else:
+                raise UserError('One offer has already been accepted')
+
+    def action_refuse(self):
+        for record in self:
+            record.status = 'refused'
+            record.property_id.state = 'new'
+            record.property_id.selling_price = '0'
+            record.property_id.buyer_ids = None

estate/models/estate_property_tag.py

@@ -0,0 +1,29 @@
+from odoo import api, fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = 'estate.property.tag'
+    _description = 'Estate Property Tag'
+    _order = 'name'
+
+    name = fields.Char(required=True)
+    color = fields.Integer("Color Index")
+
+    # SQL Constraint
+    _check_name = models.Constraint('UNIQUE(name)', "The name must be unique")
+
+    local_datetime = fields.Char(
+        compute='_compute_local_datetime', store=True)
+
+    # Copmute Method - Depends Decorator
+    @api.depends('create_date')
+    def _compute_local_datetime(self):
+        for record in self:
+            if record.create_date:
+                # user_tz = self.env.user.tz or 'Asia/Kolkata'
+                local_dt = fields.Datetime.context_timestamp(
+                    record, record.create_date
+                )
+                record.local_datetime = local_dt.strftime("%Y-%m-%d %H:%M:%S")
+            else:
+                record.local_datetime = False

estate/models/estate_property_type.py

@@ -0,0 +1,26 @@
+from odoo import api, fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = 'estate.property.type'
+    _description = 'Estate Property Type'
+    _order = 'name'
+    # _rec_name = 'id'
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer(default=10)
+    offer_ids = fields.One2many('estate.property.offer', 'property_type_id')
+    offer_count = fields.Integer(compute='_compute_offer_count')
+
+    # Depends Decorator
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)
+
+    # SQL Constarint
+    _check_name = models.Constraint('unique(name)', "The name must be unique")
+
+    # For Inline View
+    property_ids = fields.One2many(
+        "estate.property", "property_type_id", string="Properties")

estate/models/res_users.py

@@ -0,0 +1,22 @@
+from odoo import api, fields, models
+
+
+class EstatePropertyUsers(models.Model):
+    _inherit = 'res.users'
+
+    property_ids = fields.One2many('estate.property', 'seller_id')
+    name = fields.Char()
+
+    prices = fields.One2many(
+        'estate.property', 'seller_id')
+    total_unsold_value = fields.Float(
+        compute='_compute_total_unsold_value')
+
+    @api.depends('prices.expected_price', 'prices.state')
+    def _compute_total_unsold_value(self):
+        for record in self:
+            unsold_prices = record.prices.filtered(lambda p: p.state != 'sold')
+            record.total_unsold_value = (
+                sum(unsold_prices.mapped('expected_price')
+                    ) if unsold_prices else 0.0
+            )

estate/security/ir.model.access.csv

@@ -0,0 +1,7 @@
+id,name,model_id/id,group_id/id,perm_read,perm_write,perm_create,perm_unlink
+access_estate_model,access_estate_model,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_tag,access_estate_property_tag,model_estate_property_tag,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
+access_estate_property_maintenance_requests,access_estate_property_maintenance_requests,model_estate_property_maintenance_requests,base.group_user,1,1,1,1
+access_estate_property_investor,access_estate_property_investor,model_estate_property_investor,base.group_user,1,1,1,1