121 lines
5.1 KiB
Python
121 lines
5.1 KiB
Python
# -*- coding: utf-8 -*-
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from odoo import fields, models, api
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from odoo.osv import expression
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from datetime import datetime
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import pytz
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class PosOrder(models.Model):
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_inherit = 'pos.order'
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@api.model
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def search_paid_order_ids(self, config_id, domain, limit, offset):
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"""Limit paid orders list loaded on POS frontend to the current day."""
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user_tz_name = self.env.context.get('tz') or self.env.user.tz or 'UTC'
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try:
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user_tz = pytz.timezone(user_tz_name)
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except pytz.UnknownTimeZoneError:
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user_tz = pytz.UTC
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today_local = fields.Date.to_date(fields.Date.context_today(self))
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today_start_local = datetime.combine(today_local, datetime.min.time())
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today_start_tz = user_tz.localize(today_start_local)
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today_start_utc = today_start_tz.astimezone(pytz.UTC).replace(tzinfo=None)
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# Restrict domain so only orders from the current day (local timezone start) are returned
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domain = expression.AND([domain, [('date_order', '>=', today_start_utc)]])
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return super(PosOrder, self).search_paid_order_ids(config_id, domain, limit, offset)
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@api.model
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def check_table_has_real_orders(self, table_id, local_order_ids=None):
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"""
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Check whether a restaurant table has real (non-empty, non-cancelled) orders
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on the server, excluding the empty local order IDs known to the calling device.
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This is a safety guard for the multi-device "Release table" scenario:
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- Device X creates an order on table T and syncs it to the server.
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- Device Y opens table T and sees an empty local order (sync lag).
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- Before allowing Device Y to release (cancel) the empty order, we verify
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with the server that no real orderlines exist for this table.
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Args:
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table_id (int): The restaurant.table ID to check.
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local_order_ids (list[int]): Server IDs of orders already known to the
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calling device (typically the empty local order).
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Returns:
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dict:
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- has_real_orders (bool): True if real draft orders with non-zero lines exist.
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- order_count (int): Number of matching server orders found.
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"""
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if local_order_ids is None:
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local_order_ids = []
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# Find draft (non-finalized) orders for this table that have lines
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domain = [
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('table_id', '=', table_id),
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('state', '=', 'draft'),
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('lines', '!=', False),
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]
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if local_order_ids:
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# Exclude the empty order(s) already known to the calling device so we
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# don't false-positive on an order that this device itself created.
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domain = expression.AND([domain, [('id', 'not in', local_order_ids)]])
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orders = self.env['pos.order'].search(domain)
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# Double-check: at least one line with non-zero qty must exist
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real_orders = orders.filtered(lambda o: any(line.qty != 0 for line in o.lines))
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return {
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'has_real_orders': bool(real_orders),
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'order_count': len(real_orders),
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}
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def _process_order(self, order, existing_order):
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"""
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Override to automatically concatenate orderline customer notes into the
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general_customer_note so they are easily visible on the backend.
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"""
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if 'lines' in order:
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line_notes = []
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for line in order['lines']:
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if len(line) >= 3 and isinstance(line[2], dict) and line[2].get('customer_note'):
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note = line[2]['customer_note'].strip()
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if note:
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line_notes.append(note)
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if line_notes:
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current_note = order.get('general_customer_note') or ""
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existing_parts = [p.strip() for p in current_note.split(" / ")] if current_note else []
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new_notes = [n for n in line_notes if n not in existing_parts]
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if new_notes:
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combined_notes = " / ".join(new_notes)
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if current_note:
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order['general_customer_note'] = f"{current_note} / {combined_notes}"
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else:
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order['general_customer_note'] = combined_notes
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return super(PosOrder, self)._process_order(order, existing_order)
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@api.model
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def sync_from_ui(self, orders):
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"""
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Override to prevent concurrent processing of the same order uuid.
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Uses pg_advisory_xact_lock on the order's uuid to force subsequent
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duplicate requests to wait until the first request completes/commits.
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"""
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# Sort orders by uuid to prevent potential deadlocks when locking multiple orders
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sorted_orders = sorted(orders, key=lambda x: x.get('uuid') or '')
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for order in sorted_orders:
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uuid = order.get('uuid')
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if uuid:
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# Use PostgreSQL transaction-level advisory lock
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self.env.cr.execute("SELECT pg_advisory_xact_lock(hashtext(%s))", (uuid,))
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return super(PosOrder, self).sync_from_ui(orders)
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