[ADD] estate : added the sprinkles.

estate/__init__.py

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+from . import models
+
+
+

estate/__manifest__.py

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+{
+    'name': 'estate',
+
+    'category': 'real estate',
+
+    'summary': 'create a estate property',
+
+    'website': 'https://www.odoo.com',
+
+    'depends': ['base'],
+    'installable': True,
+    'application': True,
+    'license': 'LGPL-3',
+
+    'data': [
+    'security/ir.model.access.csv',
+    'views/estate_property_views.xml',
+    'views/estate_property_type_views.xml',
+    'views/estate_property_tags_views.xml',
+    'views/estate_property_offer_views.xml',
+    'views/estate_menus.xml'
+    ],
+
+}

estate/models/__init__.py

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+from . import estate_property
+from . import estate_property_type
+from . import estate_property_tags
+from . import estate_property_offer

estate/models/estate_property.py

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+from odoo import models, fields
+from datetime import timedelta, date
+from odoo import models, fields, api
+from odoo.exceptions import UserError
+from odoo.exceptions import ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Property"
+    _order = 'id desc'
+    name = fields.Char(required=True)
+    description = fields.Text(string="Description")
+    postcode = fields.Char(string="Postcode")
+    date_availability = fields.Date(copy=False, default=lambda self: date.today() + timedelta(days=90))
+    expected_price = fields.Float(string="Expected Price", required=True)
+    selling_price = fields.Float(string="Selling Price")
+    bedrooms = fields.Integer(default=2)
+    active = fields.Boolean(default=True)
+    living_area = fields.Integer(string="Living Area (sqm)")
+    facades = fields.Integer(string="Facades")
+    garage = fields.Boolean(string="Garage Available")
+    garden = fields.Boolean(string="Garden")
+    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(selection=[
+        ('new', 'New'),
+         ('offer_received', 'Offer Received'),
+        ('offer_accepted', 'Offer Accepted'),
+        ('sold', 'Sold'),
+        ('cancelled', 'Cancelled'),
+    ], default='new', string="Status", copy=False)    
+    property_type_id = fields.Many2one('estate.property.type', string="Property Type",required=True,
+    options={'no_create': True, 'no_edit': True}) 
+    buyer_id = fields.Many2one('res.partner', string="Buyer")
+    seller_id = fields.Many2one('res.users', string="Salesperson", default=lambda self: self.env.user,required=False)
+    status = fields.Selection([('accepted', 'Accepted'), ('refused', 'Refused')], string="Status")
+    partner_id = fields.Many2one('res.partner', string="Partner",required=True, ondelete='restrict')
+    salesperson = fields.Char(string = "Salesperson", required=True)
+    buyer = fields.Char(string = "Buyers", required=True)
+    price = fields.Float(string="Price")
+    partners = fields.Char(string = "Partner", required=True)
+    tag_ids = fields.Many2one('estate.property.tag' , string="Tags") 
+    total_area = fields.Float(string="Total Area (sqm)", compute="_compute_total_area", store=True,copy=False)
+    best_offers = fields.Float(string="Best Offers")
+    offer_ids = fields.One2many(
+        'estate.property.offer', 
+        'property_id', 
+        string="Offers"
+    )
+    validity = fields.Integer(string="Validity (days)")
+    date_deadline = fields.Date(
+        string="Deadline",
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline",
+        store=True)
+    tag_ids = fields.Many2many(
+        'estate.property.tag',
+        string='Tags'
+    )
+    offer_ids = fields.One2many('estate.property.offer', 'property_id', string="Offers")
+    best_price = fields.Float(string="Best Price", compute="_compute_best_price", store=True)
+    offer_received = fields.Boolean(string="Offer Received", compute="_compute_offer_received", store=True)
+    offer_accepted = fields.Boolean(string="Offer Accepted", compute="_compute_offer_accepted", store=True)
+
+
+
+    @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_cancel(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError("A sold property cannot be cancelled.")
+            record.state = 'cancelled'
+
+    def action_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise UserError("A cancelled property cannot be sold.")
+            record.state = 'sold'
+
+    _sql_constraints = [
+        ('expected_price_positive', 'CHECK(expected_price > 0)',
+         'The expected price must be strictly positive.'),
+        ('selling_price_positive', 'CHECK(selling_price >= 0)',
+         'The selling price must be positive.')
+    ]
+
+    @api.constrains('expected_price')
+    def _check_expected_price(self):
+     for record in self:
+        if record.expected_price <= 0:
+            raise ValidationError("The expected price must be strictly positive.")
+
+
+    @api.depends('offer_ids.price')
+    def _compute_best_price(self):
+        for record in self:
+            record.best_price = max(record.offer_ids.mapped('price'), default=0)
+
+    @api.depends('living_area', 'garden_area')
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = (record.living_area or 0) + (record.garden_area or 0)
+
+    @api.constrains('expected_price', 'selling_price')
+    def _check_selling_price(self):
+        for record in self:
+            if float_is_zero(record.selling_price, precision_rounding=0.01):
+                continue
+            min_price = record.expected_price * 0.9
+            if float_compare(record.selling_price, min_price, precision_rounding=0.01) < 0:
+                raise ValidationError(
+                    "The selling price cannot be lower than 90% of the expected price."
+                )
+def action_sold(self):
+        self.state = 'sold'
+
+def action_cancel(self):
+        self.state = 'canceled'  
+
+
+@api.depends('state')
+def _compute_offer_received(self):
+        for record in self:
+            record.offer_received = record.state == 'offer_received'
+
+@api.depends('state')
+def _compute_offer_accepted(self):
+        for record in self:
+            record.offer_accepted = record.state == 'offer_accepted' 
+
+@api.ondelete(at_uninstall=False)
+def _check_state_on_delete(self):
+        for record in self:
+            if record.state not in ('new', 'cancelled'):
+                raise UserError(
+                    "You cannot delete a property unless it is in 'New' or 'Cancelled' state."
+                )
+
+
+

estate/models/estate_property_offer.py

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+from odoo import models, fields
+from datetime import timedelta
+from odoo.exceptions import UserError
+from odoo import models, fields, api
+
+
+class EstatePropertyOffer(models.Model):
+    _name = 'estate.property.offer'
+    _description = 'Real Estate Property Offer'
+    _order = 'price desc'
+    price = fields.Float()
+    state= fields.Selection([('new', 'New'),('accepted', 'Accepted'), ('refused', 'Refused')], string= "Status" ,default='new')
+    partner_id = fields.Many2one('res.partner', string="Partner", required=True)
+    property_id = fields.Many2one('estate.property', string="Property", required=True)
+    status = fields.Selection([('accepted', 'Accepted'), ('refused', 'Refused')], string="Status")
+    property_type_id = fields.Many2one(
+        related='property_id.property_type_id', 
+        string="Property Type", 
+        readonly=True,
+        store=True
+    )
+    buyer_id = fields.Many2one(
+        'res.partner', 
+        string="Buyer", 
+        required=True
+    )
+    seller_id = fields.Many2one(
+        'res.partner',
+        string="Seller"
+    )
+    validity = fields.Integer(string="Validity (days)")
+    date_deadline = fields.Date(
+        string="Deadline",
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline",
+        store=True
+    )
+    def action_offer_accepted(self):
+        pass
+
+    @api.depends('create_date', 'validity')
+    def _compute_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = record.create_date + timedelta(days=record.validity)
+            else:
+                record.date_deadline = fields.Date.today() + timedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            if record.create_date and record.date_deadline:
+                delta = (record.date_deadline - record.create_date.date()).days
+                record.validity = max(delta, 0)
+            else:
+                record.validity = 7
+
+    def action_offer_accepted(self):
+        for record in self:
+            record.status = 'accepted'
+            record.property_id.selling_price = record.price
+            record.property_id.buyer_id = record.partner_id
+
+            # set status 'refused' in the other offers of that particular property
+            for offer in record.property_id.offer_ids:
+                if offer.id != record.id:
+                    offer.status = 'refused'
+        return True
+
+    def action_offer_refused(self):
+        for record in self:
+            record.status = 'refused'
+        return True
+
+    _sql_constraints = [
+        ('offer_price_positive', 'CHECK(price > 0)',
+         'The offer price must be strictly positive.')
+    ]
+
+
+    @api.model
+    def create(self, vals):
+        # Ensure property_id exists in vals
+        property_id = self.env['estate.property'].browse(vals.get('property_id'))
+        if not property_id:
+            raise UserError("The property associated with this offer does not exist.")
+
+        # Check if the new offer amount is lower than any existing offers
+        existing_offers = self.search([('property_id', '=', property_id.id)])
+        for offer in existing_offers:
+            if vals.get('price', 0.0) <= offer.price:
+                raise UserError(
+                    "You cannot create an offer with a price lower than an existing offer."
+                )
+
+        # Update the property's state to 'Offer Received'
+        property_id.state = 'offer_received'
+
+        # Create the offer as usual
+        return super(EstatePropertyOffer, self).create(vals)   
+
+

estate/models/estate_property_resusers.py

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+from odoo import models, fields
+class ResUsers(models.Model):
+    _inherit = 'res.users'
+
+    property_ids = fields.One2many(
+        'estate.property', 
+        'seller_id', 
+        string="Properties",
+        domain=[('state', 'in', ['new', 'offer_received'])]  
+    )

estate/models/estate_property_tags.py

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+from odoo import models, fields
+class EstatePropertyTag(models.Model):
+    _name = 'estate.property.tag'
+    _description = 'Real Estate Property Tag'
+    _order = "name"
+
+    name = fields.Char(string="Tag Name", required=True)
+    color = fields.Integer(string='Color')
+    tag_ids = fields.Many2many(
+        'estate.property.tag',
+        'estate_property_tag_rel',  
+        'tag_id1',  
+        'tag_id2',
+        string="Related Tags"
+    )
+
+    _sql_constraints = [
+        ('unique_tag_name', 'UNIQUE(name)',
+         'The tag name must be unique.')
+    ]

estate/models/estate_property_type.py

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+from odoo import models, fields, api
+class EstatePropertyType(models.Model):
+    _name = 'estate.property.type'
+    _description = 'Real Estate Property Type'
+    _order = "sequence,name"
+
+    sequence = fields.Integer(default=10)
+    name = fields.Char(string="Type Name", required=True)
+    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(string="Offer Count", compute="_compute_offer_count")
+
+    _sql_constraints = [
+        ('unique_type_name', 'UNIQUE(name)',
+         'The property type name must be unique.')
+    ]
+
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)
+
+    def action_view_offers(self):
+        self.ensure_one()
+        return {
+            'type': 'ir.actions.act_window',
+            'name': 'Offers',
+            'view_mode': 'tree,form',
+            'res_model': 'estate.property.offer',
+            'domain': [('property_type_id', '=', self.id)],
+            'context': {'default_property_type_id': self.id},
+        }        
+
+

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_user,access_estate_property_user,model_estate_property,base.group_user,1,1,1,1
+estate.access_estate_property_type,access_estate_property_type,estate.model_estate_property_type,base.group_user,1,1,1,1
+estate.access_estate_property_offer,access_estate_property_offer,estate.model_estate_property_offer,base.group_user,1,1,1,1
+estate.access_estate_property_tag,access_estate_property_tag,estate.model_estate_property_tag,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="estate_menu_root" name="Estate"/>
+    <menuitem id="estate_properties_menu" name="Advertisements" parent="estate_menu_root" action="estate_property_action"/>
+      <menuitem id="estate_properties_menu_two" name="Settings" parent="estate_menu_root"/>
+        <menuitem id="estate_property_type_menu" name="Property Types" parent="estate_properties_menu_two" action="estate_property_type_action"/>
+          <menuitem id="estate_property_tag_menu" name="Property Tags" parent="estate_properties_menu_two" action="estate_property_tag_action"/>  
+</odoo>