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Allow to import orders (#1516)
* Allow to import orders * seats, subevents * Plugin support * Add docs * Warn about lack of quota handling * Control interface test * Test skeleton * First tests for the impotr columns * Add tests for all columns * Fix question validation
This commit is contained in:
Raphael Michel
173
src/pretix/base/services/orderimport.py
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173
src/pretix/base/services/orderimport.py
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import csv
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import io
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from decimal import Decimal
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from django.core.exceptions import ValidationError
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from django.db import transaction
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from django.utils.timezone import now
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from django.utils.translation import gettext as _
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from pretix.base.i18n import LazyLocaleException, language
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from pretix.base.models import (
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CachedFile, Event, InvoiceAddress, Order, OrderPayment, OrderPosition,
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User,
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)
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from pretix.base.orderimport import get_all_columns
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from pretix.base.services.invoices import generate_invoice, invoice_qualified
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from pretix.base.services.tasks import ProfiledEventTask
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from pretix.base.signals import order_paid, order_placed
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from pretix.celery_app import app
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class DataImportError(LazyLocaleException):
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def __init__(self, *args):
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msg = args[0]
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msgargs = args[1] if len(args) > 1 else None
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self.args = args
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if msgargs:
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msg = _(msg) % msgargs
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else:
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msg = _(msg)
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super().__init__(msg)
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def parse_csv(file, length=None):
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data = file.read(length)
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try:
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import chardet
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charset = chardet.detect(data)['encoding']
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except ImportError:
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charset = file.charset
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data = data.decode(charset or 'utf-8')
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# If the file was modified on a Mac, it only contains \r as line breaks
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if '\r' in data and '\n' not in data:
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data = data.replace('\r', '\n')
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dialect = csv.Sniffer().sniff(data.split("\n")[0], delimiters=";,.#:")
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if dialect is None:
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return None
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reader = csv.DictReader(io.StringIO(data), dialect=dialect)
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return reader
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def setif(record, obj, attr, setting):
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if setting.startswith('csv:'):
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setattr(obj, attr, record[setting[4:]] or '')
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@app.task(base=ProfiledEventTask, throws=(DataImportError,))
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def import_orders(event: Event, fileid: str, settings: dict, locale: str, user) -> None:
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# TODO: quotacheck?
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cf = CachedFile.objects.get(id=fileid)
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user = User.objects.get(pk=user)
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with language(locale):
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cols = get_all_columns(event)
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parsed = parse_csv(cf.file)
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orders = []
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order = None
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data = []
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# Run validation
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for i, record in enumerate(parsed):
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values = {}
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for c in cols:
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val = c.resolve(settings, record)
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try:
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values[c.identifier] = c.clean(val, values)
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except ValidationError as e:
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raise DataImportError(
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_(
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'Error while importing value "{value}" for column "{column}" in line "{line}": {message}').format(
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value=val if val is not None else '', column=c.verbose_name, line=i + 1, message=e.message
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)
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)
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data.append(values)
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# Prepare model objects. Yes, this might consume lots of RAM, but allows us to make the actual SQL transaction
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# shorter. We'll see what works better in reality…
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for i, record in enumerate(data):
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try:
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if order is None or settings['orders'] == 'many':
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order = Order(
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event=event,
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testmode=settings['testmode'],
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)
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order.meta_info = {}
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order._positions = []
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order._address = InvoiceAddress()
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order._address.name_parts = {'_scheme': event.settings.name_scheme}
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orders.append(order)
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position = OrderPosition()
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position.attendee_name_parts = {'_scheme': event.settings.name_scheme}
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position.meta_info = {}
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order._positions.append(position)
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position.assign_pseudonymization_id()
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for c in cols:
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c.assign(record.get(c.identifier), order, position, order._address)
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except ImportError as e:
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raise ImportError(
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_('Invalid data in row {row}: {message}').format(row=i, message=str(e))
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)
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# quota check?
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with event.lock():
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with transaction.atomic():
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for o in orders:
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o.total = sum([c.price for c in o._positions]) # currently no support for fees
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if o.total == Decimal('0.00'):
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o.status = Order.STATUS_PAID
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o.save()
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OrderPayment.objects.create(
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local_id=1,
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order=o,
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amount=Decimal('0.00'),
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provider='free',
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info='{}',
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payment_date=now(),
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state=OrderPayment.PAYMENT_STATE_CONFIRMED
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)
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elif settings['status'] == 'paid':
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o.status = Order.STATUS_PAID
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o.save()
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OrderPayment.objects.create(
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local_id=1,
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order=o,
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amount=o.total,
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provider='manual',
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info='{}',
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payment_date=now(),
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state=OrderPayment.PAYMENT_STATE_CONFIRMED
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)
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else:
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o.status = Order.STATUS_PENDING
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o.save()
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for p in o._positions:
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p.order = o
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p.save()
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o._address.order = o
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o._address.save()
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for c in cols:
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c.save(o)
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o.log_action(
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'pretix.event.order.placed',
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user=user,
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data={'source': 'import'}
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)
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for o in orders:
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with language(o.locale):
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order_placed.send(event, order=o)
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if o.status == Order.STATUS_PAID:
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order_paid.send(event, order=o)
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gen_invoice = invoice_qualified(o) and (
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(event.settings.get('invoice_generate') == 'True') or
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(event.settings.get('invoice_generate') == 'paid' and o.status == Order.STATUS_PAID)
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) and not o.invoices.last()
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if gen_invoice:
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generate_invoice(o, trigger_pdf=True)
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cf.delete()
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