yalla - Technical Training

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "estate",
+    "version": "0.0",
+    "depends": [
+        "base",
+    ],
+    "installable": True,
+    "application": True,
+    "author": "me",
+    "license": "LGPL-3",
+    "data": [
+        "security/ir.model.access.csv",
+        "views/estate_property_views.xml",
+        "views/estate_property_actions.xml",
+        "views/estate_menus.xml",
+        "views/estate_property_type_views.xml",
+        "views/estate_property_offer_views.xml",
+        "views/res_users_views.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 res_users

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
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "id desc"
+
+    name = fields.Char(string="Title", required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        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()
+    active = fields.Boolean(default=True)
+    garden_orientation = fields.Selection(
+        [("north", "North"), ("south", "South"), ("east", "East"), ("west", "West")],
+    )
+    state = fields.Selection(
+        required=True,
+        copy=False,
+        default="new",
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("canceled", "Canceled"),
+        ],
+    )
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    user_id = fields.Many2one(
+        "res.users",
+        string="Salesperson",
+        default=lambda self: self.env.user,
+    )
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+    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")
+    best_price = fields.Float(compute="_compute_best_price")
+
+    _positive_expected_price = models.Constraint(
+        "CHECK(expected_price > 0)",
+        "The expected price of a property cannot be negative.",
+    )
+    _positive_selling_price = models.Constraint(
+        "CHECK(selling_price >= 0)",
+        "The selling price of a property cannot be negative.",
+    )
+
+    @api.constrains("selling_price")
+    def _check_selling_price(self):
+        for record in self:
+            if float_is_zero(record.selling_price, precision_digits=2):
+                continue
+            if (
+                float_compare(
+                    record.selling_price,
+                    record.expected_price * 0.9,
+                    precision_digits=2,
+                )
+                < 0
+            ):
+                raise UserError(
+                    "The selling price cannot be less than 90% of the expected price.",
+                )
+
+    @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):
+        for record in self:
+            if record.offer_ids:
+                record.best_price = max(record.offer_ids.mapped("price"))
+            else:
+                record.best_price = 0.0
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if not self.garden:
+            self.garden_area = 0
+            self.garden_orientation = False
+        else:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+
+    def action_sold(self):
+        if self.state == "canceled":
+            raise UserError("You cannot mark a canceled property as sold.")
+        self.state = "sold"
+
+    def action_canceled(self):
+        if self.state == "sold":
+            raise UserError("You cannot cancel a sold property.")
+        self.state = "canceled"
+
+    @api.ondelete(at_uninstall=False)
+    def _delete_if_new_or_canceled(self):
+        for record in self:
+            if record.state not in ["new", "canceled"]:
+                raise UserError(
+                    "You can only delete new or cancelled properties.",
+                )

estate/models/estate_property_offer.py

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+from odoo import api, fields, models
+from odoo.exceptions import UserError
+from odoo.tools.float_utils import float_compare
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer"
+    _order = "price desc"
+
+    price = fields.Float()
+    status = fields.Selection(
+        copy=False,
+        selection=[("accepted", "Accepted"), ("refused", "Refused")],
+    )
+    partner_id = fields.Many2one("res.partner", required=True)
+    property_id = fields.Many2one("estate.property", required=True)
+    property_type_id = fields.Many2one(
+        related="property_id.property_type_id",
+        store=True,
+    )
+    date_deadline = fields.Date(
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline",
+        store=True,
+    )
+    validity = fields.Integer(default=7)
+
+    _positive_price = models.Constraint(
+        "CHECK(price > 0)",
+        "The price of an offer cannot be negative.",
+    )
+
+    @api.depends("create_date", "validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            base_date = (
+                fields.Date.to_date(record.create_date)
+                if record.create_date
+                else fields.Date.today()
+            )
+            record.date_deadline = fields.Date.add(base_date, days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            if not record.date_deadline:
+                continue
+            base_date = (
+                fields.Date.to_date(record.create_date)
+                if record.create_date
+                else fields.Date.today()
+            )
+            record.validity = (record.date_deadline - base_date).days
+
+    def action_accept_offer(self):
+        for record in self:
+            if record.property_id.state not in ["new", "offer_received"]:
+                msg = "You can only accept offers for properties that are new or have received offers."
+                raise UserError(
+                    msg,
+                )
+            record.status = "accepted"
+            record.property_id.state = "offer_accepted"
+            record.property_id.selling_price = record.price
+            record.property_id.buyer_id = record.partner_id
+
+    def action_refuse_offer(self):
+        for record in self:
+            if record.status == "accepted":
+                msg = "You cannot refuse an offer that has already been accepted."
+                raise UserError(
+                    msg,
+                )
+            record.status = "refused"
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            estate_property = self.env["estate.property"].browse(
+                vals.get("property_id"),
+            )
+            existing_prices = estate_property.offer_ids.mapped("price")
+
+            if existing_prices:
+                min_price = min(existing_prices)
+                if (
+                    float_compare(vals.get("price", 0.0), min_price, precision_digits=2)
+                    < 0
+                ):
+                    raise UserError(
+                        f"The offer {vals.get('price', 0.0)} cannot be lower than the other offers.",
+                    )
+            estate_property.state = "offer_received"
+
+        return super().create(vals_list)

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Estate Property Tag"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _name_uniq = models.Constraint(
+        "UNIQUE (name)",
+        "The name of the tag 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 = "Estate Property Type"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True)
+    _name_uniq = models.Constraint(
+        "UNIQUE (name)",
+        "The name of the property type must be unique!",
+    )
+
+    property_ids = fields.One2many(
+        "estate.property",
+        "property_type_id",
+        string="Properties",
+    )
+    offer_ids = fields.One2many(
+        "estate.property.offer",
+        "property_type_id",
+        string="Offers",
+    )
+    offer_count = fields.Integer(compute="_compute_offer_count")
+    sequence = fields.Integer("Sequence", default=1)
+
+    @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",
+        string="Estate 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_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

estate/views/estate_menus.xml

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+<odoo>
+    <menuitem id="real_estate_menu_root" name="Real Estate">
+        <menuitem id="advertisements_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" action="estate_property_action" />
+        </menuitem>
+        <menuitem id="settings_menu" name="Settings">
+            <menuitem id="estate_property_type_menu_action" action="estate_property_type_action" />
+            <menuitem id="estate_property_tag_menu_action" action="estate_property_tag_action" />
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_actions.xml

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+<odoo>
+  <record id="estate_property_action" model="ir.actions.act_window">
+    <field name="name">Properties</field>
+    <field name="res_model">estate.property</field>
+    <field name="view_mode">list,form,kanban</field>
+    <field name="context">{'search_default_state_filter': 1}</field>
+  </record>
+
+  <record id="estate_property_type_action" model="ir.actions.act_window">
+    <field name="name">Property Types</field>
+    <field name="res_model">estate.property.type</field>
+    <field name="view_mode">list,form</field>
+  </record>
+
+  <record id="estate_property_tag_action" model="ir.actions.act_window">
+    <field name="name">Property Tags</field>
+    <field name="res_model">estate.property.tag</field>
+    <field name="view_mode">list,form</field>
+  </record>
+
+  <record id="estate_property_offer_action" model="ir.actions.act_window">
+    <field name="name">Property Offers</field>
+    <field name="res_model">estate.property.offer</field>
+    <field name="view_mode">list,form</field>
+    <field name="domain">[('property_type_id', '=', active_id)]</field>
+  </record>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<odoo>
+  <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-success="status=='accepted'"
+        decoration-danger="status=='refused'">
+        <field name="price" />
+        <field name="partner_id" />
+        <field name="property_type_id" />
+        <field name="validity" />
+        <field name="date_deadline" />
+        <button name="action_accept_offer" type="object" icon="fa-check"
+          title="Accept Offer"
+          invisible="status" />
+        <button name="action_refuse_offer" type="object" icon="fa-times"
+          title="Refuse Offer"
+          invisible="status" />
+      </list>
+    </field>
+  </record>
+</odoo>