ahta - Server framework 101

.gitignore

@@ -127,3 +127,6 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+# vscode settings
+.vscode/

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "cSpell.words": ["odoo"]
+}

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Real Estate",
+    "author": "Odoo",
+    "website": "https://www.odoo.com/page/realestate",
+    "version": "0.1",
+    "application": True,
+    "installable": True,
+    "depends": ["base"],
+    "data": [
+        "security/ir.model.access.csv",
+        "views/estate_property_type_views.xml",
+        "views/estate_property_tag_views.xml",
+        "views/estate_property_offer_views.xml",
+        "views/estate_property_views.xml",
+        "views/estate_menus.xml",
+    ],
+    "license": "LGPL-3",
+}

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

estate/models/estate_property.py

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+from odoo import api, fields, models
+from odoo.exceptions import UserError
+from odoo.tools.float_utils import float_is_zero, float_compare
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "id desc"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False,
+        default=lambda x: fields.Datetime.add(fields.Datetime.today(), 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(
+        string="Garden Orientation",
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        string="State",
+        selection=[
+            ("new", "New"),
+            ("offer received", "Offer Received"),
+            ("offer accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("canceled", "Canceled"),
+        ],
+        default="new",
+        copy=False,
+    )
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    buyer = fields.Many2one("res.partner", string="Buyer", copy=False)
+    salesperson = fields.Many2one(
+        "res.users", string="Salesperson", default=lambda self: self.env.user
+    )
+    tags_ids = fields.Many2many("estate.property.tag", string="Tags")
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    total_area = fields.Float(compute="_compute_total_area")
+    best_price = fields.Float(compute="_compute_best_price")
+
+    _sql_constraints = [
+        (
+            "check_positive_expected_price",
+            "CHECK(expected_price>0)",
+            "The expected price should be positive.",
+        ),
+        (
+            "check_positive_selling_price",
+            "CHECK(selling_price>0)",
+            "The selling price should be positive.",
+        ),
+    ]
+
+    @api.depends("garden_area", "living_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.garden_area + record.living_area
+
+    @api.depends("offer_ids.price")
+    def _compute_best_price(self):
+        for record in self:
+            prices = record.offer_ids.mapped("price")
+            record.best_price = max(prices, default=0)
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = False
+
+    def action_sold(self):
+        for record in self:
+            if record.state != "canceled":
+                record.state = "sold"
+            else:
+                raise UserError("Canceled properties can't be sold")
+        return True
+
+    def action_cancel(self):
+        for record in self:
+            if record.state != "sold":
+                record.state = "canceled"
+            else:
+                raise UserError("Sold properties can't be sold")
+        return True
+
+    @api.constrains("selling_price", "expected_price")
+    def _check_selling(self):
+        for record in self:
+            if (
+                not float_is_zero(record.selling_price, precision_digits=3)
+                and float_compare(
+                    record.selling_price,
+                    record.expected_price * 0.9,
+                    precision_digits=3,
+                )
+                < 0
+            ):
+                raise UserError(
+                    "The selling price cannot be lower than 90% of the expected price"
+                )

estate/models/estate_property_offer.py

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+from odoo import api, fields, models
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Property Offer"
+    _order = "price asc"
+
+    price = fields.Float()
+    status = fields.Selection(
+        string="Type",
+        selection=[("accepted", "Accepted"), ("refused", "Refused")],
+        copy=False,
+    )
+    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="_inverse_date_deadline"
+    )
+    property_type_id = fields.Many2one(
+        "estate.property.type",
+        store=True,
+        string="Property Type",
+        related="property_id.property_type_id",
+    )
+
+    _sql_constraints = [
+        (
+            "check_positive_price",
+            "CHECK(price>0)",
+            "The offer price should be positive.",
+        ),
+    ]
+
+    @api.depends("validity", "create_date")
+    def _compute_date_deadline(self):
+        for record in self:
+            if not record.create_date:
+                record.create_date = fields.Datetime.today()
+            record.date_deadline = fields.Datetime.add(
+                record.create_date, days=record.validity
+            )
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            record.validity = (record.date_deadline - record.create_date.date()).days
+
+    def action_accept(self):
+        self.ensure_one()
+        self.status = "accepted"
+        self.property_id.selling_price = self.price
+        self.property_id.buyer = self.partner_id
+        self.property_id.state = "offer accepted"
+        return True
+
+    def action_refuse(self):
+        for record in self:
+            record.status = "refused"
+        return True

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Property Tags"
+    _order = "name"
+
+    name = fields.Char()
+    color = fields.Integer()
+    _sql_constraints = [
+        ("unique_name", "UNIQUE(name)", "The property tag 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 = "Estate Property Type"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many(
+        "estate.property", "property_type_id", string="Property"
+    )
+    sequence = fields.Integer("Sequence")
+    offer_ids = fields.One2many(
+        "estate.property.offer", inverse_name="property_type_id"
+    )
+    offer_count = fields.Integer(compute="_compute_offer_count")
+    _sql_constraints = [
+        ("unique_name", "UNIQUE(name)", "The 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/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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+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_first_level_menu" name="Advertisement">
+            <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_second_level_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_offer_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <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>
+
+    <record id="estate_property_offer_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 editable="bottom" decoration-success="status=='accepted'" decoration-danger="status=='refused'">
+                <field name="price" string="Price"/>
+                <field name="partner_id" string="Partner"/>
+                <field name="validity" string="Validity"/>
+                <field name="date_deadline" string="Deadline"/>
+                <button name="action_accept" type="object" icon="fa-check" invisible="status" title="Accept"/>
+                <button name="action_refuse" type="object" icon="fa-times" invisible="status" title="Refuse"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_form" model="ir.ui.view">
+        <field name="name">estate.property.offer.form</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <field name="price" width="40px" string="Price"/>
+                        <field name="partner_id" width="40px" string="Partner"/>
+                        <field name="validity" width="40px" string="Validity"/>
+                        <field name="date_deadline" width="40px" string="Deadline"/>
+                        <field name="status" width="40px" string="Status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Tags</field>
+        <field name="res_model">estate.property.tag</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <record id="estate_property_tag_list" model="ir.ui.view">
+        <field name="name">estate.property.tag.list</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <list editable="bottom">
+                <field name="name" string="Title"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_tag_form" model="ir.ui.view">
+        <field name="name">estate.property.form</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <field name="name" placeholder="e.g. cozy" string="Name"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>