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dtf-system/app/runtime.py
Cauê Faleiros eae3dad306
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feat: offer credit card, debit card and PIX, with the bank's 3-D Secure step
The payment page lists credit card (preselected), debit card and PIX. Each
card option limits Mercado Pago's form to its kind; debit is paid at once.
Card payments ask for 3-D Secure when the issuer requires it, and a
challenge opens the bank's page in a frame, which needs
PAYMENT_CHALLENGE_SOURCES=https: (frames and form posts only). A card left
waiting for that confirmation stops blocking a new attempt after ten
minutes, and a refusal reported by the notification returns the customer to
the payment choice. Written from the documentation; not yet run with a real
debit card.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-28 13:24:06 -03:00

109 lines
5.6 KiB
Python

"""Composition root, and the pieces every router needs.
app.py held the adapters, the configuration, the shared query helpers and all
nineteen of its routes, so customer.py could not import from it without a cycle
and was wired instead by passing nine callables into install_routes. Everything
shared lives here: routers import downwards, never from each other.
"""
import os
from datetime import datetime, timedelta, timezone
from uuid import uuid5, NAMESPACE_URL
from fastapi import HTTPException
from psycopg.types.json import Jsonb
from .adapters import FakeFreight, FakePayment, LocalS3Storage, require_runtime
from .core.secrets import load as load_secret_files
# Secret files must resolve before any configuration below is read.
load_secret_files()
require_runtime()
storage = LocalS3Storage()
if os.environ.get('PAYMENT_ADAPTER') == 'mercadopago':
from .mercadopago import MercadoPagoPayment
payment = MercadoPagoPayment()
else:
payment = FakePayment()
freight = FakeFreight()
ENVIRONMENT = os.environ.get('APP_ENV', 'local')
PUBLIC_ORIGIN = os.environ.get('PUBLIC_ORIGIN', 'http://localhost')
ALLOWED_HOSTS = [host for host in os.environ.get('ALLOWED_HOSTS', 'localhost,127.0.0.1').split(',') if host]
ALLOWED_ORIGINS = [origin for origin in os.environ.get('ALLOWED_ORIGINS', PUBLIC_ORIGIN).split(',') if origin]
# Per source and generous: a browser needs one session and keeps the cookie, but
# offices and mobile carriers put many real customers behind one address, so a
# tight per-IP ceiling would lock out the same people the old global one did.
GUEST_SESSION_LIMIT = int(os.environ.get('GUEST_SESSION_LIMIT', '240'))
# The board returned every order ever created. Finished ones are terminal, so
# they were pure growth: at a few hundred a day the response and the page both
# degrade with no operator benefit.
BOARD_FINISHED_LIMIT = int(os.environ.get('BOARD_FINISHED_LIMIT', '50'))
BOARD_QUOTE_LIMIT = int(os.environ.get('BOARD_QUOTE_LIMIT', '100'))
PART_BYTES = int(os.environ.get('UPLOAD_PART_BYTES', '8388608'))
if not 5242880 <= PART_BYTES <= 67108864:
raise RuntimeError('UPLOAD_PART_BYTES must be between 5 and 64 MiB')
STATES = {'rec': 'Arte recebida', 'tra': 'Arte tratada', 'fil': 'Fila de impressão',
'imp': 'Imprimindo', 'cor': 'Correção', 'fin': 'Finalizado'}
TRANSITIONS = {'rec': ['tra','cor'], 'tra': ['fil','cor'], 'fil': ['imp','cor'],
'imp': ['fin','cor'], 'cor': ['rec','tra'], 'fin': []}
# Undoing a move made by mistake: one stage back, with an internal reason. It
# is not a correction: the customer is not told and approved finals stay.
BACK = {'tra': 'rec', 'fil': 'tra', 'imp': 'fil', 'fin': 'imp'}
def require_delivery_available(service):
"""Outside the local stack, a simulated freight price must never reach a
customer: until a real freight provider exists, only pickup is offered."""
if service != 'pickup' and ENVIRONMENT != 'local' and getattr(freight, 'name', '') == 'fake':
raise HTTPException(503, 'A entrega ainda não está disponível. Escolha a retirada em Franca.')
def upload_row(c, upload_id, session_id, lock=False):
row = c.execute('SELECT * FROM dtf_local.uploads WHERE id=%s AND owner=%s' +
(' FOR UPDATE' if lock else ''), (upload_id, session_id)).fetchone()
if not row:
raise HTTPException(404, 'Upload not found')
days = 30 if row['complete'] else 1
if row['purged_at'] or row['expires_at'] <= datetime.now(timezone.utc) or row['created_at'] < datetime.now(timezone.utc) - timedelta(days=days):
raise HTTPException(410, 'Upload expired; select the file again')
return row
def quote_view(c, row):
from .quote_review import review_reason # it imports this module
order = c.execute('SELECT id,number,state FROM dtf_local.orders WHERE quote_id=%s', (row['id'],)).fetchone()
# The latest payment attempt, so the payment page can tell a refused card
# (the notification updates it) from one still waiting.
attempt = c.execute('''SELECT method,status,response->>'status_detail' AS status_detail
FROM dtf_local.payment_intents WHERE quote_id=%s ORDER BY created_at DESC LIMIT 1''', (row['id'],)).fetchone()
expired = row['approved_at'] and row['approved_at'] < datetime.now(timezone.utc)-timedelta(hours=24)
return {'id': row['id'], 'created_at': row['created_at'],
'draft': row['draft'], 'approved': row['approved'],
'status': 'paid' if order else 'expired' if expired else 'approved' if row['approved'] else 'pending_review',
'auto_approved': row.get('reviewed_by') == 'auto',
'review_reason': None if row['approved'] else review_reason(row['draft']),
'payment': attempt,
'order': order}
def enqueue(c, event_key, provider, payload):
c.execute('INSERT INTO dtf_local.outbox(event_key,provider,payload) VALUES(%s,%s,%s) ON CONFLICT(event_key) DO NOTHING',
(event_key, provider, Jsonb(payload)))
def owned_order(c, oid, identity, lock=False):
row = c.execute('SELECT * FROM dtf_local.orders WHERE id=%s AND owner=%s'+(' FOR UPDATE' if lock else ''), (oid,identity)).fetchone()
if not row: raise HTTPException(404, 'Order not found')
return row
def file_rows(c, oid):
return c.execute('''SELECT f.id,f.upload_id,f.item_index,f.kind,f.active,f.note,f.created_at,
u.name,u.size,u.expires_at,(u.expires_at<=now()) AS expired
FROM dtf_local.order_files f JOIN dtf_local.uploads u ON u.id=f.upload_id
WHERE order_id=%s ORDER BY f.created_at''', (oid,)).fetchall()
def operator_identity(user):
return uuid5(NAMESPACE_URL, 'dtf-local-operator:'+user)