[ADD] estate: init module

.gitignore

@@ -127,3 +127,5 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+.vscode/*

estate/__init__.py

@@ -0,0 +1 @@
+from . import models

estate/__manifest__.py

@@ -0,0 +1,27 @@
+{
+    'name': "Real Estate",
+
+    'summary': "Cool Real Estate App",
+    'description': """
+Cool Real Estate App
+Wow This is a description omgg
+    """,
+    'author': "kmhma",
+    'website': "https://www.odoo.com/",
+    'category': 'Tutorials',
+    'version': '0.1',
+    'application': True,
+    'installable': True,
+    'depends': ['base'],
+
+    'data': [
+        "security/ir.model.access.csv",
+        "views/property_type_views.xml",
+        "views/property_tag_views.xml",
+        "views/property_offer_views.xml",
+        "views/estate_property_views.xml",
+        "views/res_users_views.xml",
+        "views/estate_menus_views.xml",
+    ],
+    'license': 'LGPL-3',
+}

estate/models/__init__.py

@@ -0,0 +1,5 @@
+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

@@ -0,0 +1,125 @@
+from odoo import models, fields, api, exceptions
+from odoo.tools import float_compare
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate model"
+    _order = "id desc"
+
+    name = fields.Char(required=True)
+    description = fields.Char()
+    postcode = fields.Char()
+    available_from = fields.Date(
+        copy=False, default=fields.Date.add(fields.Date.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(string="Living Area (sqm)")
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    active = fields.Boolean(default=True)
+    garden_area = fields.Integer(string="Garden Area (sqm)")
+    garden_orientation = fields.Selection(
+        string="Garden Orientation",
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+    )
+    state = fields.Selection(
+        string="State",
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        required=True,
+        copy=False,
+        default="new",
+    )
+    property_type_id = fields.Many2one(
+        comodel_name="estate.property.type", string="Property Type"
+    )
+    buyer_id = fields.Many2one(comodel_name="res.partner", copy=False)
+    salesman_id = fields.Many2one(
+        comodel_name="res.users", default=lambda self: self.env.uid
+    )
+    tag_ids = fields.Many2many(comodel_name="estate.property.tag", string="Tags")
+    offer_ids = fields.One2many(
+        comodel_name="estate.property.offer", inverse_name="property_id"
+    )
+    total_area = fields.Integer(compute="_compute_area", string="Total Area (sqm)")
+    best_price = fields.Float(compute="_compute_best_price")
+
+    _postive_expected_price = models.Constraint(
+        "CHECK (expected_price > 0)", "The expected price must be strictly positive"
+    )
+
+    _postive_selling_price = models.Constraint(
+        "CHECK (selling_price > 0)", "The selling price must be strictly positive"
+    )
+
+    @api.depends("living_area", "garden_area")
+    def _compute_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=0.0)
+
+    @api.onchange("offer_ids")
+    def _onchange_offer_receieved(self):
+        if len(self.offer_ids):
+            self.state = "offer_received"
+
+    @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 = ""
+
+    def sell_property(self):
+        for property in self:
+            if property.state == "cancelled":
+                raise exceptions.UserError("You cannot sell a cancelled property")
+            property.state = "sold"
+        return True
+
+    def cancel_property(self):
+        for property in self:
+            if property.state == "sold":
+                raise exceptions.UserError("You cannot cancel a sold property")
+            else:
+                property.state = "cancelled"
+        return True
+
+    @api.constrains("selling_price")
+    def _check_selling_price(self):
+        for property in self:
+            if (
+                float_compare(property.selling_price, 0.9 * property.expected_price, 2)
+                == -1
+            ):
+                raise exceptions.ValidationError(
+                    "The selling price must be at least 90% of the expected price."
+                )
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_property_with_offer(self):
+        for property in self:
+            if property.state not in ["new", "cancelled"]:
+                raise exceptions.UserError(
+                    "You cannot delete a property with existing offers!"
+                )

estate/models/estate_property_offer.py

@@ -0,0 +1,73 @@
+from odoo import models, fields, api, exceptions
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "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, string="Partner")
+    property_id = fields.Many2one(
+        "estate.property", required=True, string="Property", ondelete="cascade"
+    )
+    validity = fields.Integer(default=7)
+    deadline_date = fields.Date(
+        compute="_compute_deadline_date", inverse="_inverse_deadline_date"
+    )
+    property_type_id = fields.Many2one(related="property_id.property_type_id", store=True)
+
+    _postive_price = models.Constraint(
+        "CHECK (price > 0)",
+        "The expected price must be strictly positive"
+    )
+
+    @api.depends("create_date", "validity")
+    def _compute_deadline_date(self):
+        for record in self:
+            create_date = record.create_date or fields.Date.today()
+            record.deadline_date = fields.Date.add(create_date, days=record.validity)
+
+    def _inverse_deadline_date(self):
+        for record in self:
+            create_date = record.create_date or fields.Date.today()
+            record.validity = (record.deadline_date - create_date.date()).days
+
+    def button_accept_offer(self):
+        for offer in self:
+            if offer.property_id.state == "sold":
+                raise exceptions.UserError(
+                    f"Property '{offer.property_id.name}' is already sold"
+                )
+            offer.property_id.write({
+                    "buyer_id": offer.partner_id,
+                    "selling_price": offer.price,
+                    "state": "offer_accepted"
+                })
+            offer.status = "accepted"
+        return True
+
+    def button_refuse_offer(self):
+        for offer in self:
+            if offer.property_id.state == "sold" and offer.status == "accepted":
+                raise exceptions.UserError(
+                    f"Property '{offer.property_id.name}' is already sold to '{offer.partner_id.name}'"
+                )
+            offer.status = "refused"
+        return True
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for val in vals_list:
+            property_id = self.env['estate.property'].browse(val['property_id'])
+            if property_id.offer_ids and max(offer.price for offer in property_id.offer_ids) > val['price']:
+                raise exceptions.UserError("An offer with a higher price exists")
+            property_id.state = "offer_received"
+        return super().create(vals_list)

estate/models/estate_property_tag.py

@@ -0,0 +1,12 @@
+from odoo import models, fields
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "property tags"
+    _order = "name asc"
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _unique_tag = models.Constraint("unique(name)", "This tag already exists")

estate/models/estate_property_type.py

@@ -0,0 +1,23 @@
+from odoo import models, fields, api
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "property types"
+    _order = "sequence, name asc"
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer('Sequence', default=1)
+
+    property_ids = fields.One2many(
+        comodel_name="estate.property", inverse_name="property_type_id"
+    )
+    offer_ids = fields.One2many(comodel_name="estate.property.offer", inverse_name="property_type_id")
+    offer_count = fields.Integer(compute="_compute_offer_count", default=0, string="Offers")
+
+    _unique_type = models.Constraint("unique(name)", "This type already exists")
+
+    @api.depends("offer_ids")
+    def _compute_offer_count(self):
+        for type in self:
+            type.offer_count = len(type.offer_ids)

estate/models/res_users.py

@@ -0,0 +1,7 @@
+from odoo import models, fields
+
+
+class Users(models.Model):
+    _inherit = "res.users"
+    property_ids = fields.One2many(comodel_name="estate.property", inverse_name="salesman_id",
+        string="Properties")

estate/security/ir.model.access.csv

@@ -0,0 +1,6 @@
+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
+access_res_users,access.res.users,model_res_users,base.group_user,1,1,1,1

estate/views/estate_menus_views.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<odoo>
+<menuitem id="estate_menu_root" name="Estate Property">
+    <menuitem id="advertisement_menu" name="Advertisments">
+        <menuitem id="properties_action" action="estate_property_view"/>
+    </menuitem>
+
+    <menuitem id="settings_menu" name="Settings">
+        <menuitem id="property_type_action" action="property_type_view"/>
+        <menuitem id="property_tag_action" action="property_tag_view"/>
+        <menuitem id="users_and_companies" action="user_and_companies_view"/>
+    </menuitem>
+</menuitem>
+</odoo>