[ADD] estate: doing the tutorial

estate/__init__.py

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+from . import models
+from odoo import api, SUPERUSER_ID

estate/__manifest__.py

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+{
+    'name':"estate",
+    'author':"Odoo S.A.",
+    'licence':"none",
+
+    'summary': """
+        Houses!
+    """,
+
+    'description': """
+        Lots of Houses!!"
+    """,
+
+    'application': True,
+    'installable': True,
+    'data':[
+        'security/ir.model.access.csv',
+        'views/estate_property_views.xml',
+        'views/estate_property_types_views.xml',
+        'views/estate_property_tags_views.xml',
+        'views/estate_property_offers_views.xml',
+        'views/estate_menus.xml',
+        'views/estate_users.xml',
+    ],
+}

estate/models/__init__.py

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+from . import est_property
+from . import est_property_offers
+from . import est_property_tags
+from . import est_property_types
+from . import inherited_model

estate/models/est_property.py

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+from datetime import timedelta
+from odoo import models, fields, api
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "est.property"
+    _description = "Real Estate"
+    _order = "id desc"
+
+    _check_expected_price = models.Constraint(
+        'CHECK (expected_price >= 0)',
+        'The Expected Price should be positive!',
+    )
+
+    _check_selling_price = models.Constraint(
+        'CHECK (selling_price >= 0)',
+        'The Selling Price should be positive!',
+    )
+    def _today_plus_90days(self):
+        return fields.Date.today(self) + timedelta(days=90)
+
+
+    name = fields.Char('Property Name', required=True)
+    description = fields.Text(required=True)
+    post_code = fields.Char(required=True)
+    date_availability = fields.Date(default=(_today_plus_90days)) #add 90 days which is about 3 months
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float()
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer("Living Area (sqm)")
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        selection=[("north","North"),("south","South"),("east","East"),("west","West")])
+    active = fields.Boolean("Active",default=True)
+    state = fields.Selection(
+        selection = [("new","New"),("offer_received","Offer Received"),("offer_accepted","Offer Accepted"),("sold","Sold"),("cancelled","Cancelled")],
+        default = "new"
+    )
+    partner_id = fields.Many2one("res.partner", string="Buyer")
+    user_id = fields.Many2one("res.users", string="Salesman")
+    property_type_id = fields.Many2one("est.property.type", string="Property Type")
+
+    tag_ids = fields.Many2many("est.property.tag",string="Tags")
+
+    offers_ids = fields.One2many("est.property.offer","property_id",string="Offers")
+
+    total_area = fields.Integer(compute="_compute_total", readonly=True)
+    max_offer = fields.Integer(compute="_compute_best_offer", readonly=True)
+
+    @api.constrains("selling_price")
+    def _check_selling_price(self):
+        for property in self:
+            ## if different than 0 and selling_price < 90% of expected_price
+            if  (not float_is_zero(self.selling_price,precision_digits=3) and (1 == float_compare(self.expected_price * .9, self.selling_price, precision_digits=3))):  
+                raise ValidationError(r"Selling price can't be less than 90% expected price")
+
+
+    @api.depends("living_area","garden_area")
+    def _compute_total(self):
+        for property in self:
+            property.total_area = property.living_area + property.garden_area
+
+    @api.depends("offers_ids")
+    def _compute_best_offer(self):
+
+        for property in self:
+
+            property.max_offer = max(property.offers_ids.mapped("price"),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 = None
+
+    @api.ondelete(at_uninstall=False)
+    def _ondelete(self):
+        for property in self:
+            if not(property.state == "new" or property.state == "cancelled"):
+                raise UserError("You can only delete properties that are 'New' or 'Cancelled'.")
+
+
+    # ------------- Actions -------------------------------
+
+    def sell_action(self):
+        for property in self:
+            if self.state == "cancelled":
+                #Raise error
+                raise UserError("Can't change to Sold if current state is Cancelled!")
+            else:
+                self.state = "sold"
+
+    def cancel_action(self):
+        for property in self:
+            if self.state =="sold":
+                #Raise error
+                raise UserError("Can't change to Cancel if current state is Sold!")
+            else:
+                self.state = "cancelled"
+

estate/models/est_property_offers.py

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+from datetime import timedelta
+from odoo import models, fields, api
+from odoo.exceptions import UserError
+
+
+class EstateOffer(models.Model):
+    _name = "est.property.offer"
+    _description = "Property Offers"
+    _order = "price desc"
+
+    _check_price = models.Constraint(
+        'CHECK (price >= 0)',
+        'The Price should be positive!',
+    )
+
+
+    name = fields.Char("name")
+    price = fields.Integer("price",required=True)
+    status = fields.Selection(
+        string="status", 
+        default="waiting",
+        selection = [
+            ("accepted","Accepted"),
+            ("refused","Refused"),
+            ("waiting","Waiting"),
+        ],
+    )
+    partner_id = fields.Many2one("res.partner")
+    property_id = fields.Many2one("est.property",required=True)
+
+    property_type_id = fields.Many2one("est.property.type", related="property_id.property_type_id", stored=True, compute="_compute_property_type_id") 
+
+
+    validity_date = fields.Date(compute="_compute_validity_date",inverse="_inverse_validity_duration")
+    validity_duration = fields.Integer(default=7)
+
+    @api.depends("validity_duration")
+    def _compute_validity_date(self):
+        for offer in self:
+            offer.validity_date = fields.Date.today() + timedelta(days=offer.validity_duration)
+
+    @api.depends("property_id")
+    def _compute_property_type_id(self):
+        for offer in self:
+            if offer.property_id.property_type_id:
+                offer.property_type_id = offer.property_id.property_type_id
+            else:
+                offer.property_type_id = False
+
+    def _inverse_validity_duration(self):
+        for offer in self:
+            offer.validity_duration = (offer.validity_date - fields.Date.today()).days
+
+    def action_confirm(self):
+        for offer in self:
+            if offer.property_id.state == "sold":
+                raise UserError(self.env._("Property was already sold!"))
+            elif offer.property_id.state == "cancelled":
+                raise UserError(self.env._("Property was already cancelled!"))
+            elif offer.status == "refused":
+                raise UserError(self.env._("Cannot accept a proposal that was already refused!"))
+            else:
+                offer.status = "accepted"
+                offer.property_id.selling_price = offer.price
+                offer.property_id.partner_id = offer.partner_id
+                offer.property_id.state = "sold"
+
+    def action_reject(self):
+        self.status = "refused"
+
+    @api.model
+    def create(self,vals_list):
+        for vals in vals_list:
+            property = self.env['est.property'].browse(vals.get('property_id'))
+
+            if property.state == 'new':
+                property.state = 'offer_received'
+
+            if property.max_offer > vals.get('price',0):
+                raise UserError(self.env._("Cannot create an offer with a lower value than a previous one!"))
+
+        return super().create(vals_list)

estate/models/est_property_tags.py

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+from odoo import models, fields
+
+class EstateTag(models.Model):
+    _name = "est.property.tag"
+    _description = "Property tags"
+    _order = "name asc"
+
+    _check_name = models.Constraint(
+        'unique(name)',
+        'There is already a property tag with that name!',
+    )
+
+    name = fields.Char("name", required=True)
+    color = fields.Integer("color")

estate/models/est_property_types.py

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+from odoo import models, fields, api
+
+class EstateType(models.Model):
+    _name = "est.property.type"
+    _description = "Property types"
+    _order = "sequence,name"
+
+    _check_name = models.Constraint(
+        'unique(name)',
+        'There is already a property type with that name!',
+    )
+
+    name = fields.Char("name", required=True)
+    sequence = fields.Integer(default=1)
+
+
+    offer_ids = fields.One2many("est.property.offer","property_type_id")
+    offer_count = fields.Integer(compute="_compute_count")
+
+    @api.depends("offer_ids")
+    def _compute_count(self):
+        for type in self:
+            type.offer_count = len(type.offer_ids)

estate/models/inherited_model.py

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+from odoo import models, fields
+
+
+class User(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many("est.property","user_id",string="Properties")

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,access_estate_model,model_est_property,base.group_user,1,1,1,1
+access_type,access_type,model_est_property_type,base.group_user,1,1,1,1
+access_tag,access_tag,model_est_property_tag,base.group_user,1,1,1,1
+access_offer,access_offer,model_est_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <menuitem id="est_test_model_menu" name="Real Estate">
+        <menuitem id="est_testing_stuff" name='Advertisements'>
+            <menuitem id="est_test_model_menu_action" action="est_test_model_action"/>
+        </menuitem>
+        <menuitem id="est_Settings" name='Settings'>
+            <menuitem id="est_property_type_menu_action" action="est_property_type_model_action"/>
+            <menuitem id="est_property_tag_menu_action" action="est_property_tag_model_action"/>
+            <menuitem id="est_property_offer_menu_action" action="est_property_offer_model_action"/>
+
+        </menuitem>
+    </menuitem>
+
+</odoo>

estate/views/estate_property_offers_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="est_test_view_tree" model="ir.ui.view">
+		<field name="name">est_property_offer_view_list</field>
+        <field name="model">est.property.offer</field>
+        <field name="arch" type="xml">
+        <list string="Tests">
+
+
+            <field name="name"/>
+            <field name="price" />
+            <field name="status"/>
+
+        </list> 
+        </field>
+    </record>
+
+    <record id="est_property_offer_model_action" model="ir.actions.act_window">
+        <field name="name">Property offers</field>
+        <field name="res_model">est.property.offer</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+</odoo>

estate/views/estate_property_tags_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="est_property_tag_model_action" model="ir.actions.act_window">
+        <field name="name">Property tags</field>
+        <field name="res_model">est.property.tag</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+</odoo>

estate/views/estate_property_types_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+
+    <record id="est_property_type_view_list" model="ir.ui.view">
+		<field name="name">est.property.type.list</field>
+        <field name="model">est.property.type</field>
+        <field name="arch" type="xml">
+            <list string="Tests">
+
+                <field name="sequence" widget="handle"/>
+
+                <field name="name"/>
+
+
+            </list>
+        </field>
+    </record>
+
+    <record id="est_property_type_from_offer_event" model="ir.actions.act_window">
+        <field name="res_model">est.property.offer</field>
+        <field name="name">Property Types</field>
+        <field name="view_mode">list</field>
+        <field name="domain">[('property_type', '=', active_id)]</field>
+    </record>
+
+
+    <record id="est_property_type_view_form" model="ir.ui.view">
+		<field name="name">est.property.type.form</field>
+        <field name="model">est.property.type</field>
+        <field name="arch" type="xml">
+            <form string="Something">
+                <header>
+
+                    <button type="action" 
+                            name="%(est_property_type_from_offer_event)d" 
+                            string="View Offer" 
+                            class="oe_highlight"/>
+
+                </header>
+                <group>
+                    <field name="name"/>
+
+                    <field name="offer_ids"/>
+                </group>
+            </form>
+        </field>
+    </record>
+
+
+    <record id="est_property_type_model_action" model="ir.actions.act_window">
+        <field name="name">Property types</field>
+        <field name="res_model">est.property.type</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+
+</odoo>