[ADD] estate : init

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Real estate",
+    "depends": ["base"],
+    "application": True,
+    "installable": True,
+    "data": [
+        "security/ir.model.access.csv",
+        "views/estate_property_views.xml",
+        "views/estate_menus.xml",
+    ],
+    "license": "LGPL-3",
+    "author": "Abdallah",
+}

estate/models/__init__.py

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+from . import estate_property
+from . import estate_property_misc
+from . import res_user

estate/models/estate_property.py

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+from odoo import fields, models, api, exceptions
+from odoo.tools import float_compare
+
+
+class Property(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property Info"
+    _order = "id desc"
+
+    name = fields.Char(required=True, translate=True, string="Title")
+    description = fields.Text(translate=True)
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False,
+        default=fields.Datetime.add(fields.Datetime.today(), months=3),
+        string="Available From",
+    )
+    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()
+    garden_area = fields.Integer(string="Garden Area(sqm)")
+    garden_orientation = fields.Selection(
+        string="Garden Orientation",
+        selection=[
+            ("north", "North"),
+            ("east", "East"),
+            ("west", "West"),
+            ("south", "South"),
+        ],
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        required=True,
+        copy=False,
+        default="new",
+        selection=[
+            ("new", "New"),
+            ("offer_recieved", "Offer Recieved"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+    )
+
+    property_type_id = fields.Many2one(
+        "estate.property.type",
+        string="Property Type",
+    )
+
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy="False")
+    salesperson_id = fields.Many2one(
+        "res.users",
+        string="Salesman",
+        default=lambda self: self.env.user,
+    )
+
+    tag_ids = fields.Many2many(
+        "estate.property.tags",
+        string="Tags",
+    )
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+
+    total_area = fields.Float(
+        compute="_compute_total_area",
+        string="Total Area(sqm)",
+    )
+    best_offer = fields.Float(
+        compute="_compute_best_price",
+        string="Best Offer",
+    )
+
+    _check_positive_expected_price = models.Constraint(
+        "CHECK(expected_price > 0)",
+        "Prices Must Be Positive",
+    )
+
+    _check_positive_selling_price = models.Constraint(
+        "CHECK(selling_price > 0)",
+        "Prices Must Be Positive",
+    )
+
+    @api.depends("garden_area", "living_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    @api.depends("offer_ids")
+    def _compute_best_price(self):
+        for record in self:
+            record.best_offer = max(record.offer_ids.mapped("price"), default=0.0)
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        self.garden_area = 10 if self.garden else 0
+        self.garden_orientation = "north" if self.garden else None
+
+    def button_sell_property(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise exceptions.UserError("Property Cancelled")
+            record.state = "sold"
+        return True
+
+    def button_cancel_property(self):
+        for record in self:
+            if record.state == "sold":
+                raise exceptions.UserError("Property Sold")
+            record.state = "cancelled"
+        return True
+
+    @api.constrains("selling_price")
+    def _check_selling_price(self):
+        for record in self:
+            if float_compare(record.selling_price, record.expected_price * 0.90, 2) < 0:
+                raise exceptions.ValidationError("The selling price is too low")
+
+    @api.ondelete(at_uninstall=False)
+    def _check_ondelete(self):
+        if any((property.state not in ("new", "cancelled")) for property in self):
+            raise exceptions.UserError(
+                "Can't delete, one or more property has some action done, mark as cancelled first"
+            )

estate/models/estate_property_misc.py

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+from odoo import fields, models, api, exceptions
+
+
+class PropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Estate Property Type"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True, string="Type Name")
+    description = fields.Char()
+    sequence = fields.Integer("Sequence", default=1)
+
+    property_ids = fields.One2many("estate.property", "property_type_id")
+    offer_ids = fields.One2many("estate.property.offer", "property_type_id")
+    offer_count = fields.Integer(compute="_compute_offer_count", default=0)
+
+    _check_unique_name = models.Constraint(
+        "unique(name)",
+        "Type must be unique",
+    )
+
+    @api.depends("offer_ids")
+    def _compute_offer_count(self):
+        for type in self:
+            count = 0
+            for offer in type.offer_ids:
+                count += 1
+            type.offer_count = count
+
+
+class PropertyTags(models.Model):
+    _name = "estate.property.tags"
+    _description = "Estate Property Tags"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _check_unique_name = models.Constraint(
+        "unique(name)",
+        "Tag must be unique",
+    )
+
+
+class PropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer"
+    _order = "price desc"
+
+    price = fields.Float(required=True)
+    state = fields.Selection(
+        string="State",
+        copy=False,
+        selection=[
+            ("accepted", "Accepted"),
+            ("refused", "Refused"),
+        ],
+    )
+    validity = fields.Integer(default=7)
+
+    buyer_id = fields.Many2one("res.partner", string="Buyer", required=True)
+    property_id = fields.Many2one("estate.property", string="Property", required=True)
+    property_type_id = fields.Many2one(
+        related="property_id.property_type_id", store=True
+    )
+
+    date_deadline = fields.Datetime(
+        compute="_compute_date_deadline", inverse="_inverse_date_deadline"
+    )
+
+    _check_positive_price = models.Constraint(
+        "CHECK(price > 0.001)",
+        "Prices Must Be Positive",
+    )
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for property in self:
+            create_date = property.create_date or fields.Datetime.now()
+            property.date_deadline = fields.Datetime.add(
+                create_date,
+                days=property.validity,
+            )
+
+    def _inverse_date_deadline(self):
+        for property in self:
+            create_date = property.create_date or fields.Datetime.now()
+            property.validity = (property.date_deadline - create_date).days
+
+    def accept_offer(self):
+        self.ensure_one()
+        if self.property_id.state == "sold":
+            raise exceptions.UserError("Property is already sold")
+        self.property_id.buyer_id = self.buyer_id
+        self.property_id.selling_price = self.price
+        self.state = "accepted"
+        return True
+
+    def refuse_offer(self):
+        self.ensure_one()
+        if self.property_id.state == "sold":
+            raise exceptions.UserError("Property is already sold")
+        self.state = "refused"
+        return True
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            property = self.env["estate.property"].browse(vals["property_id"])
+            property.state = "offer_recieved"
+            if vals["price"] < property.best_offer:
+                raise exceptions.UserError("Property is already sold")
+        return super().create(vals_list)

estate/models/res_user.py

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+from odoo import fields, models
+
+
+class ResUsers(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many(
+        "estate.property",
+        "salesperson_id",
+        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_model,access_estate_model,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_tags,access_estate_property_tags,model_estate_property_tags,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_ads_menu"
+              name="Ads"
+              parent="estate_menu_root"/>
+	<menuitem id="estate_ads_properties"
+              name="Properties"
+              action="estate_property_action"
+              parent="estate_ads_menu"/>
+	<menuitem id="estate_settings_menu"
+              name="Settings"
+              parent="estate_menu_root"/>
+	<menuitem id="estate_settings_types"
+              name="Property Types"
+              action="estate_property_type_action"
+              parent="estate_settings_menu"/>
+	<menuitem id="estate_settings_tags"
+              name="Property Tags"
+              action="estate_property_tags_action"
+              parent="estate_settings_menu"/>
+</odoo>