18.0 training rvar

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Real Estate",
+    "category": "All",
+    "summary": "Demo app for estate",
+    "description": "This is the demo app ",
+    "installable": True,
+    "depends": ["base"],
+    "application": True,
+    "auto_install": False,
+    "license": "AGPL-3",
+    "data": [
+        "security/ir.model.access.csv",
+        "views/estate_property_offer_views.xml",
+        "views/estate_property_views.xml",
+        "views/estate_settings_views.xml",
+        "views/estate_property_tags_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_type
+from . import estate_property_tag
+from . import estate_property_offer
+from . import inherited_model

estate/models/estate_property.py

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+from dateutil.relativedelta import relativedelta
+from odoo import fields, models, api, _
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class RecurringPlan(models.Model):
+    _name = "estate.property"
+    _description = "estate property revenue plans"
+    _order = "id desc"  # For ordering in ascending opr descending order   one more way to do so is from view like: <list default_order="date desc">
+
+    name = fields.Char(required=True)
+    description = fields.Text(string="Description")
+    postcode = fields.Char(string="Postcode")
+    date_availability = fields.Date(
+        string="Available From",
+        copy=False,
+        default=lambda self: fields.Date.today() + relativedelta(months=3),
+    )
+    expected_price = fields.Float(string="Expected Price", required=True)
+    selling_price = fields.Float(string="Selling Price", readonly=True, copy=False)
+    bedrooms = fields.Integer(string="Bedrooms", default=2)
+    living_area = fields.Integer(string="Living Area (sqm)")
+    facades = fields.Integer(string="Number of Facades")
+    garage = fields.Boolean(string="Garage")
+    garden = fields.Boolean(string="Garden")
+    garden_area = fields.Integer(string="Garden Area (sqm)")
+    garden_orientation = fields.Selection(
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+        string="Garden Orientation",
+        help="Orientation of the garden relative to the property",
+    )
+    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",
+        required=True,
+        default="new",
+        copy=False,
+        # readonly=True
+    )
+
+    total_area = fields.Integer(string="Total Area", compute="_compute_total_area")
+    best_price = fields.Float(string="Best Offer", compute="_compute_best_price")
+
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+    user_id = fields.Many2one(
+        "res.users", string="Salesman", copy=False, default=lambda self: self.env.user
+    )
+
+    tag_id = fields.Many2many("estate.property.tag", string="Tags", copy=False)
+
+    offer_id = fields.One2many("estate.property.offer", "property_id", string="Offer")
+
+    _sql_constraints = [
+        (
+            "check_expected_price",
+            "CHECK(expected_price > 0)",
+            "The Expected price of a property should be strictly positive.",
+        ),
+        (
+            "check_selling_price",
+            "CHECK(selling_price IS NULL OR selling_price >= 0)",
+            "Selling price must be positive when set.",
+        ),
+    ]
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for area in self:
+            area.total_area = area.living_area + area.garden_area
+
+    @api.depends("offer_id.price")
+    def _compute_best_price(self):
+        for record in self:
+            # Get all prices from offer_ids
+            offer_prices = record.offer_id.mapped("price")
+            record.best_price = max(offer_prices) if offer_prices else 0.0
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_orientation = "north"
+            self.garden_area = 10
+        else:
+            self.garden_orientation = False
+            self.garden_area = 0
+
+    def action_property_sold(self):
+        for prop in self:
+            if prop.state == "cancelled":
+                raise UserError(_("Cancelled properties cannot be sold."))
+            prop.state = "sold"
+        return True
+
+    def action_property_cancel(self):
+        for prop in self:
+            if prop.state == "sold":
+                raise UserError(_("Sold properties cannot be cancelled."))
+            prop.state = "cancelled"
+        return True
+
+    @api.constrains("selling_price", "expected_price")
+    def _check_selling_price(self):
+        for record in self:
+            if float_is_zero(record.selling_price, precision_digits=2):
+                continue
+            min_allowed_price = record.expected_price * 0.9
+
+            if (
+                float_compare(
+                    record.selling_price, min_allowed_price, precision_digits=2
+                )
+                < 0
+            ):
+                raise ValidationError(
+                    "Selling price cannot be lower than 90% of the expected price. "
+                    f"(Minimum allowed: {min_allowed_price:.2f})"
+                )
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_except_state_not_new(self):
+        for rec in self:
+            if rec.state not in ["new", "cancelled"]:
+                raise UserError(
+                    _(
+                        "You cannot delete a property unless its state is 'New' or 'Cancelled'."
+                    )
+                )

estate/models/estate_property_offer.py

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+from odoo import fields, models, api, exceptions, _
+from dateutil.relativedelta import relativedelta
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Offers of Estate property "
+    _order = "price desc"
+
+    price = fields.Float(string="Price")
+    status = fields.Selection(
+        selection=[("accepted", "Accepted"), ("refused", "Refused")],
+        copy=False,
+        string="Status",
+    )
+
+    validity = fields.Integer(string="Validity", default=7)
+    date_deadline = fields.Date(
+        string="Deadline",
+        compute="_compute_deadline_date",
+        inverse="_inverse_deadline_date",
+    )
+
+    partner_id = fields.Many2one(
+        "res.partner", string="Partner", copy=False, required=True
+    )
+    property_id = fields.Many2one("estate.property", copy=False, required=True)
+    property_type_id = fields.Many2one(
+        "estate.property.type",
+        related="property_id.property_type_id",
+        store=True,
+        readonly=False,
+    )
+    _sql_constraints = [
+        (
+            "check_offer_price",
+            "CHECK(price > 0)",
+            "The Offer price must be strictly positive",
+        )
+    ]
+
+    @api.depends("create_date", "validity")
+    def _compute_deadline_date(self):
+        for offer in self:
+            create_dt = offer.create_date or fields.Date.today()
+            offer.date_deadline = create_dt + relativedelta(days=offer.validity)
+
+    def _inverse_deadline_date(self):
+        for offer in self:
+            if offer.date_deadline:
+                create_dt = (offer.create_date or fields.Datetime.now()).date()
+                delta = (offer.date_deadline - create_dt).days
+                offer.validity = delta
+            else:
+                offer.validity = 0
+
+    def action_accept(self):
+        for offer in self:
+            # Allow only if property has no accepted offer
+            if offer.property_id.buyer_id:
+                raise UserError(
+                    _("An offer has already been accepted for this property.")
+                )
+            # Set buyer and selling price
+            offer.property_id.buyer_id = offer.partner_id
+            offer.property_id.selling_price = offer.price
+            offer.status = "accepted"
+            offer.property_id.state = "offer_accepted"
+            # Setting remaining Offer as refused
+            other_offers = offer.property_id.offer_id - offer
+            # for other in other_offers:                  # -----> Normal for loop logic
+            #     other.status = 'refused'
+            other_offers.write({"status": "refused"})  # -----> Odoo ORM Method
+
+        return True
+
+    def action_refused(self):
+        for offer in self:
+            offer.status = "refused"
+        return True
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        new_records = []
+        for vals in vals_list:
+            property_id = vals.get("property_id")
+
+            property_rec = self.env["estate.property"].browse(property_id)
+            # Business logic: set property state
+            if property_rec.state == "new":
+                property_rec.state = "offer_received"
+
+            # Business logic: validate price
+            if "price" in vals and vals["price"] < property_rec.best_price:
+                raise exceptions.ValidationError(
+                    "Offer price must be higher than existing offers."
+                )
+
+            new_records.append(vals)
+
+        return super().create(new_records)
+
+        # vals_list---------> [{'partner_id': 23, 'price': 100, 'validity': 7, 'date_deadline': '2025-07-16', 'property_id': 19}]

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Tags of Estate property "
+    _order = "name asc"
+
+    name = fields.Char(required=True, string="Name")
+    color = fields.Integer(default=3)
+
+    _sql_constraints = [
+        (
+            "unique_property_tag_name",
+            "UNIQUE(name)",
+            "A property tag name must be unique.",
+        ),
+    ]

estate/models/estate_property_type.py

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+from odoo import fields, models, api
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Types of Estate property "
+    _order = "sequence, name asc"  # Order by sequence first
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer(
+        "Sequence", default=10, help="Used to order property types."
+    )
+
+    property_ids = fields.One2many("estate.property", "property_type_id")
+    offer_ids = fields.One2many(
+        "estate.property.offer", "property_type_id", string="Offers"
+    )
+    offer_count = fields.Integer(
+        string="Offer Count", compute="_compute_offer_count", store=True
+    )
+
+    _sql_constraints = [
+        (
+            "unique_property_type_name",
+            "UNIQUE(name)",
+            "A property type name must be unique.",
+        ),
+    ]
+
+    @api.depends("offer_ids")
+    def _compute_offer_count(self):
+        for rec in self:
+            rec.offer_count = len(rec.offer_ids)

estate/models/inherited_model.py

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+from odoo import models, fields
+
+
+class ResUsers(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many(
+        comodel_name="estate.property",
+        inverse_name="user_id",
+        string="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_model,estate.property,model_estate_property,base.group_user,1,1,1,1
+access_estate_model_property,estate.property.type,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_model_tag,estate.property.tag,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_model_offer,estate.property.offer,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

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+<odoo>
+    <menuitem id="test_menu_root" 
+    name="Real Estate"> <!-- Root Level = which is displayed in the App switcher -->
+
+        <menuitem id="Advertisement_menu" 
+        name="Advertisement"> <!-- First Level = Top Bar-->
+
+            <menuitem id="estate_property_menu_action" 
+            action="estate_property_action"/> <!-- The action menus = Drop Down in topo bar -->
+
+        </menuitem>
+
+        <menuitem id="Settings_menu" 
+            name="Settings"> <!-- First Level = Top Bar-->
+
+            <menuitem id="estate_property_menu_action_settings" 
+                action="estate_property_action_settings"/>
+
+            <menuitem id="estate_property_menu_action_settings_tag" 
+                action="estate_property_action_tag"/>
+
+        </menuitem>
+
+
+
+
+    </menuitem>
+
+</odoo>