# -*- coding: utf-8 -*- # Part of Odoo. See LICENSE file for full copyright and licensing details. from odoo import api, fields, models, _ from odoo.exceptions import ValidationError, UserError from odoo.tools.misc import formatLang class EventTemplateTicket(models.Model): _name = 'event.type.ticket' _description = 'Event Template Ticket' _order = 'sequence, name, id' sequence = fields.Integer('Sequence', default=10) # description name = fields.Char( string='Name', default=lambda self: _('Registration'), required=True, translate=True) description = fields.Text( 'Description', translate=True, help="A description of the ticket that you want to communicate to your customers.") event_type_id = fields.Many2one( 'event.type', string='Event Category', ondelete='cascade', required=True) # seats seats_limited = fields.Boolean(string='Limit Attendees', readonly=True, store=True, compute='_compute_seats_limited') seats_max = fields.Integer( string='Maximum Attendees', help="Define the number of available tickets. If you have too many registrations you will " "not be able to sell tickets anymore. Set 0 to ignore this rule set as unlimited.") @api.depends('seats_max') def _compute_seats_limited(self): for ticket in self: ticket.seats_limited = ticket.seats_max @api.model def _get_event_ticket_fields_whitelist(self): """ Whitelist of fields that are copied from event_type_ticket_ids to event_ticket_ids when changing the event_type_id field of event.event """ return ['sequence', 'name', 'description', 'seats_max'] class EventTicket(models.Model): """ Ticket model allowing to have different kind of registrations for a given event. Ticket are based on ticket type as they share some common fields and behavior. Those models come from <= v13 Odoo event.event.ticket that modeled both concept: tickets for event templates, and tickets for events. """ _name = 'event.event.ticket' _inherit = 'event.type.ticket' _description = 'Event Ticket' _order = "event_id, sequence, name, id" @api.model def default_get(self, fields): res = super(EventTicket, self).default_get(fields) if 'name' in fields and (not res.get('name') or res['name'] == _('Registration')) and self.env.context.get('default_event_name'): res['name'] = _('Registration for %s', self.env.context['default_event_name']) return res # description event_type_id = fields.Many2one(ondelete='set null', required=False) event_id = fields.Many2one( 'event.event', string="Event", ondelete='cascade', required=True) company_id = fields.Many2one('res.company', related='event_id.company_id') # sale start_sale_datetime = fields.Datetime(string="Registration Start") end_sale_datetime = fields.Datetime(string="Registration End") is_launched = fields.Boolean(string='Are sales launched', compute='_compute_is_launched') is_expired = fields.Boolean(string='Is Expired', compute='_compute_is_expired') sale_available = fields.Boolean( string='Is Available', compute='_compute_sale_available', compute_sudo=True, help='Whether it is possible to sell these tickets') registration_ids = fields.One2many('event.registration', 'event_ticket_id', string='Registrations') # seats seats_reserved = fields.Integer(string='Reserved Seats', compute='_compute_seats', store=False) seats_available = fields.Integer(string='Available Seats', compute='_compute_seats', store=False) seats_used = fields.Integer(string='Used Seats', compute='_compute_seats', store=False) seats_taken = fields.Integer(string="Taken Seats", compute="_compute_seats", store=False) is_sold_out = fields.Boolean( 'Sold Out', compute='_compute_is_sold_out', help='Whether seats are not available for this ticket.') # reports color = fields.Char('Color', default="#875A7B") @api.depends('end_sale_datetime', 'event_id.date_tz') def _compute_is_expired(self): for ticket in self: ticket = ticket._set_tz_context() current_datetime = fields.Datetime.context_timestamp(ticket, fields.Datetime.now()) if ticket.end_sale_datetime: end_sale_datetime = fields.Datetime.context_timestamp(ticket, ticket.end_sale_datetime) ticket.is_expired = end_sale_datetime < current_datetime else: ticket.is_expired = False @api.depends('start_sale_datetime', 'event_id.date_tz') def _compute_is_launched(self): now = fields.Datetime.now() for ticket in self: if not ticket.start_sale_datetime: ticket.is_launched = True else: ticket = ticket._set_tz_context() current_datetime = fields.Datetime.context_timestamp(ticket, now) start_sale_datetime = fields.Datetime.context_timestamp(ticket, ticket.start_sale_datetime) ticket.is_launched = start_sale_datetime <= current_datetime @api.depends('is_expired', 'start_sale_datetime', 'event_id.date_tz', 'seats_available', 'seats_max') def _compute_sale_available(self): for ticket in self: ticket.sale_available = ticket.is_launched and not ticket.is_expired and not ticket.is_sold_out @api.depends('seats_max', 'registration_ids.state', 'registration_ids.active') def _compute_seats(self): """ Determine available, reserved, used and taken seats. """ # initialize fields to 0 + compute seats availability for ticket in self: ticket.seats_reserved = ticket.seats_used = ticket.seats_available = 0 # aggregate registrations by ticket and by state results = {} if self.ids: state_field = { 'open': 'seats_reserved', 'done': 'seats_used', } query = """ SELECT event_ticket_id, state, count(event_id) FROM event_registration WHERE event_ticket_id IN %s AND state IN ('open', 'done') AND active = true GROUP BY event_ticket_id, state """ self.env['event.registration'].flush_model(['event_id', 'event_ticket_id', 'state', 'active']) self.env.cr.execute(query, (tuple(self.ids),)) for event_ticket_id, state, num in self.env.cr.fetchall(): results.setdefault(event_ticket_id, {})[state_field[state]] = num # compute seats_available for ticket in self: ticket.update(results.get(ticket._origin.id or ticket.id, {})) if ticket.seats_max > 0: ticket.seats_available = ticket.seats_max - (ticket.seats_reserved + ticket.seats_used) ticket.seats_taken = ticket.seats_reserved + ticket.seats_used @api.depends('seats_limited', 'seats_available') def _compute_is_sold_out(self): for ticket in self: ticket.is_sold_out = ticket.seats_limited and not ticket.seats_available @api.constrains('start_sale_datetime', 'end_sale_datetime') def _constrains_dates_coherency(self): for ticket in self: if ticket.start_sale_datetime and ticket.end_sale_datetime and ticket.start_sale_datetime > ticket.end_sale_datetime: raise UserError(_('The stop date cannot be earlier than the start date. ' 'Please check ticket %(ticket_name)s', ticket_name=ticket.name)) @api.constrains('registration_ids', 'seats_max') def _check_seats_availability(self, minimal_availability=0): sold_out_tickets = [] for ticket in self: if ticket.seats_max and ticket.seats_available < minimal_availability: sold_out_tickets.append((_( '- the ticket "%(ticket_name)s" (%(event_name)s): Missing %(nb_too_many)i seats.', ticket_name=ticket.name, event_name=ticket.event_id.name, nb_too_many=-ticket.seats_available))) if sold_out_tickets: raise ValidationError(_('There are not enough seats available for:') + '\n%s\n' % '\n'.join(sold_out_tickets)) @api.depends('seats_max', 'seats_available') @api.depends_context('name_with_seats_availability') def _compute_display_name(self): """Adds ticket seats availability if requested by context.""" if not self.env.context.get('name_with_seats_availability'): return super()._compute_display_name() for ticket in self: if not ticket.seats_max: name = ticket.name elif not ticket.seats_available: name = _('%(ticket_name)s (Sold out)', ticket_name=ticket.name) else: name = _( '%(ticket_name)s (%(count)s seats remaining)', ticket_name=ticket.name, count=formatLang(self.env, ticket.seats_available, digits=0), ) ticket.display_name = name def _get_ticket_multiline_description(self): """ Compute a multiline description of this ticket. It is used when ticket description are necessary without having to encode it manually, like sales information. """ return '%s\n%s' % (self.display_name, self.event_id.display_name) def _set_tz_context(self): self.ensure_one() return self.with_context(tz=self.event_id.date_tz or 'UTC') @api.ondelete(at_uninstall=False) def _unlink_except_if_registrations(self): if self.registration_ids: raise UserError(_( "The following tickets cannot be deleted while they have one or more registrations linked to them:\n- %s", '\n- '.join(self.mapped('name'))))