srkod - estate addon practice

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Estate",
+    "depends": ["base"],
+    "author": "Odoo S.A.",
+    "license": "LGPL-3",
+    "data": [
+        "security/ir.model.access.csv",
+        "views/estate_property.xml",
+        "views/estate_property_type.xml",
+        "views/estate_property_tag.xml",
+        "views/estate_property_offer.xml",
+        "views/estate_menus.xml",
+    ],
+}

estate/models/__init__.py

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+from . import (
+    estate_property,
+    estate_property_offer,
+    estate_property_tag,
+    estate_property_type,
+)

estate/models/estate_property.py

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+from dateutil.relativedelta import relativedelta
+
+from odoo import _, api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "id desc"
+
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        string="State",
+        copy=False,
+        default="new",
+        required=True,
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+    )
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        default=(fields.Date.today() + relativedelta(months=3)),
+        copy=False,
+    )
+    seller_id = fields.Many2one(
+        "res.users",
+        string="Sales Person",
+        default=lambda self: self.env.user,
+    )
+    buyer_id = fields.Many2one("res.partner", string="Buyer")
+
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(readonly=True, copy=False)
+    best_price = fields.Float(compute="_compute_best_price")
+    property_tag_ids = fields.Many2many("estate.property.tag", string="Property Tags")
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer()
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer("Property Garden Area")
+    total_area = fields.Integer(compute="_compute_total_area")
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    garden_orientation = fields.Selection(
+        string="Garden Orientation",
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+        help="Select garden orientation",
+    )
+
+    _check_expected_price = models.Constraint(
+        "CHECK(expected_price > 0)",
+        "Expected price should be positive.",
+    )
+    _check_selling_price = models.Constraint(
+        "CHECK(selling_price > 0)",
+        "Selling price must be positive.",
+    )
+
+    @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 property in self:
+            property.best_price = max(property.offer_ids.mapped("price"), default=0)
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        for property in self:
+            if property.garden:
+                property.garden_area = 10
+                property.garden_orientation = "north"
+            else:
+                property.garden_area = None
+                property.garden_orientation = None
+
+    def action_cancel_property(self):
+        for property in self:
+            if property.state == "sold":
+                raise UserError(_("Sold properties cannot be cancelled."))
+            else:
+                property.state = "cancelled"
+                return True
+
+    def action_sold_property(self):
+        for property in self:
+            if property.state == "cancelled":
+                raise UserError(_("Cancelled properties cannot be sold."))
+            else:
+                property.state = "sold"
+                return True
+
+    @api.constrains("selling_price")
+    def _check_selling_price(self):
+        for property in self:
+            selling_price = property.selling_price
+            expected_price = property.expected_price
+            if (
+                not float_is_zero(property.selling_price, precision_digits=2)
+                and float_compare(
+                    selling_price,
+                    0.9 * expected_price,
+                    precision_digits=2,
+                )
+                == -1
+            ):
+                raise ValidationError(
+                    _("Selling price is not atleast 90% of expected price."),
+                )
+
+    @api.ondelete(at_uninstall=False)
+    def _ensure_state_before_deletion(self):
+        for property in self:
+            if property.state in ("new", "cancelled"):
+                raise UserError(_("can't delete a properties in intermediate states."))

estate/models/estate_property_offer.py

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+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 = "Offer made on properties"
+    _order = "price desc"
+
+    property_type_id = fields.Many2one(related="property_id.property_type_id")
+    price = fields.Float()
+    status = fields.Selection(
+        string="status",
+        selection=[
+            ("accepted", "Accepted"),
+            ("refused", "Refused"),
+        ],
+        help="Offer Status",
+    )
+    partner_id = fields.Many2one("res.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="_compute_validity",
+    )
+
+    _check_price = models.Constraint(
+        "CHECK(price > 0)",
+        "Offer price must be positive.",
+    )
+
+    @api.depends("validity", "create_date")
+    def _compute_date_deadline(self):
+        for offer in self:
+            offer.date_deadline = (
+                offer.create_date or fields.Date.today()
+            ) + relativedelta(days=offer.validity)
+
+    def action_accept_offer(self):
+        for offer in self:
+            is_not_actionable = any(
+                status == "accepted"
+                for status in offer.property_id.offer_ids.mapped("status")
+            )
+            if is_not_actionable:
+                raise UserError(
+                    _("An offer has already been accepted for this property."),
+                )
+
+            offer.status = "accepted"
+            offer.property_id.buyer_id = offer.partner_id
+            offer.property_id.selling_price = offer.price
+            offer.property_id.state = "sold"
+            return True
+
+    def action_reject_offer(self):
+        self.status = "refused"
+        return True
+
+    @api.depends("create_date", "date_deadline")
+    def _compute_validity(self):
+        for offer in self:
+            self.validity = (
+                offer.date_deadline - (offer.create_date or fields.Date.today()).date()
+            ).days
+
+    @api.model
+    def create(self, vals):
+        property = self.env["estate.property"].browse(vals["property_id"])
+        if property.state == "new":
+            property.state = "offer_recevied"
+
+        return super(EstatePropertyOffer, self).create(vals)

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Tag representing an attribute's presence in a property"
+    _order = "name"
+
+    active = fields.Boolean(default=True)
+    color = fields.Integer(string="Color")
+    name = fields.Char(required=True)
+
+    _name_uniq = models.Constraint(
+        "unique (name)",
+        "Each tag name must be unique.",
+    )

estate/models/estate_property_type.py

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+from odoo import api, fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "type of the estate property"
+    _order = "name"
+
+    offer_ids = fields.One2many(
+        "estate.property.offer",
+        "property_type_id",
+        string="Offers",
+    )
+    offer_count = fields.Integer(compute="_compute_offer_count")
+    active = fields.Boolean(default=True)
+    name = fields.Char(required=True)
+    sequence = fields.Integer(string="Sequence", default=1, help="Used for ordering")
+    property_ids = fields.One2many(
+        "estate.property",
+        "property_type_id",
+        string="Properties",
+    )
+
+    _name_uniq = models.Constraint(
+        "unique (name)",
+        "Each property type name must be unique.",
+    )
+
+    @api.depends("offer_ids")
+    def _compute_offer_count(self):
+        self.offer_count = len(property.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,model_estate_property,base.group_user,1,1,1,1
+estate.access_estate_property_type,access_estate_property_type,model_estate_property_type,base.group_user,1,1,1,1
+estate.access_estate_property_tag,access_estate_property_tag,model_estate_property_tag,base.group_user,1,1,1,1
+estate.access_estate_property_offer,access_estate_property_offer,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

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+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate.app_menu" name="Estate">
+        <menuitem id="advertisements_list_menu" name="Advertisements">
+            <menuitem 
+                id="estate.advertisements_properties_list_menu_item"
+                name="Properties"
+                action="estate.estate_property_list_form"/>
+        </menuitem>
+        <menuitem id="estate.settings_list_menu" name="Settings">
+            <menuitem 
+                id="estate.advertisements_property_types_list_menu_item"
+                name="Property Types"
+                action="estate.estate_property_type_list_form"/>
+            <menuitem 
+                id="estate.advertisements_property_tag_list_menu_item"
+                name="Property Tags"
+                action="estate.estate_property_tag_list_form"/>
+        </menuitem>
+    </menuitem>
+</odoo>