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780 lines
36 KiB
Python
780 lines
36 KiB
Python
#
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# This file is part of pretix (Community Edition).
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#
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# Copyright (C) 2014-2020 Raphael Michel and contributors
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# Copyright (C) 2020-2021 rami.io GmbH and contributors
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
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# Public License as published by the Free Software Foundation in version 3 of the License.
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#
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# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
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# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
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# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
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# this file, see <https://pretix.eu/about/en/license>.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
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# <https://www.gnu.org/licenses/>.
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#
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import calendar
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import hashlib
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import json
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import logging
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from collections import defaultdict
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from datetime import date, datetime, timedelta
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from urllib.parse import urljoin
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from zoneinfo import ZoneInfo
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import isoweek
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from compressor.filters.jsmin import rJSMinFilter
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from django.conf import settings
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from django.contrib.staticfiles import finders
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from django.core.cache import cache
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from django.core.files.base import ContentFile, File
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from django.core.files.storage import default_storage
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from django.db.models import Q
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from django.http import FileResponse, Http404, HttpResponse, JsonResponse
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from django.template import Context, Engine
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from django.template.loader import get_template
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from django.utils.formats import date_format
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from django.utils.timezone import now
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from django.utils.translation import get_language, gettext, pgettext
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from django.utils.translation.trans_real import DjangoTranslation
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from django.views import View
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from django.views.decorators.cache import cache_page
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from django.views.decorators.gzip import gzip_page
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from django.views.decorators.http import condition
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from django.views.i18n import (
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JavaScriptCatalog, get_formats, js_catalog_template,
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)
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from lxml import html
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from pretix.base.context import get_powered_by
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from pretix.base.i18n import language
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from pretix.base.models import (
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CartPosition, Event, ItemVariation, Quota, SubEvent, Voucher,
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)
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from pretix.base.services.cart import error_messages
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from pretix.base.settings import GlobalSettingsObject
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from pretix.base.templatetags.rich_text import rich_text
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from pretix.helpers.daterange import daterange
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from pretix.helpers.thumb import get_thumbnail
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from pretix.multidomain.urlreverse import build_absolute_uri
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from pretix.presale.views.cart import get_or_create_cart_id
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from pretix.presale.views.event import (
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get_grouped_items, item_group_by_category,
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)
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from pretix.presale.views.organizer import (
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EventListMixin, add_events_for_days, add_subevents_for_days,
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days_for_template, filter_qs_by_attr, weeks_for_template,
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)
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logger = logging.getLogger(__name__)
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def indent(s):
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return s.replace('\n', '\n ')
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def widget_css_etag(request, **kwargs):
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o = getattr(request, 'event', request.organizer)
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return o.settings.presale_widget_css_checksum or o.settings.presale_widget_css_checksum
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def widget_js_etag(request, lang, **kwargs):
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gs = GlobalSettingsObject()
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return gs.settings.get('widget_checksum_{}'.format(lang))
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@gzip_page
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@condition(etag_func=widget_css_etag)
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@cache_page(60)
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def widget_css(request, **kwargs):
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o = getattr(request, 'event', request.organizer)
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if o.settings.presale_widget_css_file:
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try:
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resp = FileResponse(default_storage.open(o.settings.presale_widget_css_file),
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content_type='text/css')
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return resp
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except FileNotFoundError:
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pass
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tpl = get_template('pretixpresale/widget_dummy.html')
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et = html.fromstring(tpl.render({})).xpath('/html/head/link')[0].attrib['href'].replace(settings.STATIC_URL, '')
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f = finders.find(et)
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resp = FileResponse(open(f, 'rb'), content_type='text/css')
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resp._csp_ignore = True
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return resp
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def generate_widget_js(lang):
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code = []
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with language(lang):
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# Provide isolation
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code.append('(function (siteglobals) {\n')
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code.append('var module = {}, exports = {};\n')
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code.append('var lang = "%s";\n' % lang)
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c = JavaScriptCatalog()
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c.translation = DjangoTranslation(lang, domain='djangojs')
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catalog, plural = c.get_catalog(), c.get_plural()
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str_wl = (
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'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa', 'Su',
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'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August',
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'September', 'October', 'November', 'December'
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)
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catalog = dict((k, v) for k, v in catalog.items() if k.startswith('widget\u0004') or k in str_wl)
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template = Engine().from_string(js_catalog_template)
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context = Context({
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'catalog_str': indent(json.dumps(
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catalog, sort_keys=True, indent=2)) if catalog else None,
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'formats_str': indent(json.dumps(
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get_formats(), sort_keys=True, indent=2)),
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'plural': plural,
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})
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i18n_js = template.render(context)
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i18n_js = i18n_js.replace('for (const ', 'for (var ') # remove if we really want to break IE11 for good
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i18n_js = i18n_js.replace(r"value.includes(", r"-1 != value.indexOf(") # remove if we really want to break IE11 for good
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code.append(i18n_js)
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files = [
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'vuejs/vue.js' if settings.DEBUG else 'vuejs/vue.min.js',
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'vuejs/vue-resize.min.js',
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'pretixpresale/js/widget/docready.js',
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'pretixpresale/js/widget/floatformat.js',
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'pretixpresale/js/widget/widget.js',
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]
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for fname in files:
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f = finders.find(fname)
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with open(f, 'r', encoding='utf-8') as fp:
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code.append(fp.read())
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if settings.DEBUG:
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code.append('})(this);\n')
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else:
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# Do not expose debugging variables
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code.append('})({});\n')
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code = ''.join(code)
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code = rJSMinFilter(content=code).output()
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return code
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@gzip_page
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@condition(etag_func=widget_js_etag)
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def widget_js(request, lang, **kwargs):
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if lang not in [lc for lc, ll in settings.LANGUAGES]:
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raise Http404()
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cached_js = cache.get('widget_js_data_{}'.format(lang))
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if cached_js and not settings.DEBUG:
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return HttpResponse(cached_js, content_type='text/javascript')
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gs = GlobalSettingsObject()
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fname = gs.settings.get('widget_file_{}'.format(lang))
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resp = None
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if fname and not settings.DEBUG:
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if isinstance(fname, File):
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fname = fname.name
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try:
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data = default_storage.open(fname).read()
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resp = HttpResponse(data, content_type='text/javascript')
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cache.set('widget_js_data_{}'.format(lang), data, 3600 * 4)
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except:
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logger.exception('Failed to open widget.js')
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if not resp:
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data = generate_widget_js(lang).encode()
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checksum = hashlib.sha1(data).hexdigest()
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if not settings.DEBUG:
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newname = default_storage.save(
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'widget/widget.{}.{}.js'.format(lang, checksum),
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ContentFile(data)
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)
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gs.settings.set('widget_file_{}'.format(lang), 'file://' + newname)
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gs.settings.set('widget_checksum_{}'.format(lang), checksum)
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cache.set('widget_js_data_{}'.format(lang), data, 3600 * 4)
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resp = HttpResponse(data, content_type='text/javascript')
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resp._csp_ignore = True
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return resp
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def price_dict(item, price):
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return {
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'gross': price.gross,
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'net': price.net,
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'tax': price.tax,
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'rate': price.rate,
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'name': str(price.name),
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'includes_mixed_tax_rate': item.includes_mixed_tax_rate,
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}
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def get_picture(event, picture, size=None):
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thumb = None
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if size:
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try:
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thumb = get_thumbnail(picture.name, size).thumb.url
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except:
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logger.exception(f'Failed to create thumbnail of {picture.name}')
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if not thumb:
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thumb = default_storage.url(picture.name)
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return urljoin(build_absolute_uri(event, 'presale:event.index'), thumb)
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class WidgetAPIProductList(EventListMixin, View):
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def _get_items(self):
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qs = self.request.event.items
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if 'items' in self.request.GET:
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qs = qs.filter(pk__in=[pk.strip() for pk in self.request.GET.get('items').split(",") if pk.strip().isdigit()])
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if 'categories' in self.request.GET:
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qs = qs.filter(category__pk__in=[pk.strip() for pk in self.request.GET.get('categories').split(",") if pk.strip().isdigit()])
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variation_filter = None
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if 'variations' in self.request.GET:
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variation_filter = [int(pk.strip()) for pk in self.request.GET.get('variations').split(",") if pk.strip().isdigit()]
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qs = qs.filter(
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pk__in=ItemVariation.objects.filter(
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item__event=self.request.event,
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pk__in=variation_filter,
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).values_list('item_id', flat=True)
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)
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items, display_add_to_cart = get_grouped_items(
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self.request.event,
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subevent=self.subevent,
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voucher=self.voucher,
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channel=self.request.sales_channel.identifier,
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base_qs=qs,
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require_seat=None,
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memberships=(
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self.request.customer.usable_memberships(
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for_event=self.subevent or self.request.event,
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testmode=self.request.event.testmode
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) if getattr(self.request, 'customer', None) else None
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),
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)
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grps = []
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for cat, g in item_group_by_category([i for i in items if not i.requires_seat]):
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grps.append({
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'id': cat.pk if cat else None,
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'name': str(cat.name) if cat else None,
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'description': str(rich_text(cat.description, safelinks=False)) if cat and cat.description else None,
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'items': [
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{
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'id': item.pk,
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'name': str(item.name),
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'picture': get_picture(self.request.event, item.picture, '60x60^') if item.picture else None,
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'picture_fullsize': get_picture(self.request.event, item.picture) if item.picture else None,
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'description': str(rich_text(item.description, safelinks=False)) if item.description else None,
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'has_variations': item.has_variations,
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'require_voucher': item.require_voucher,
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'order_min': item.min_per_order,
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'order_max': item.order_max if not item.has_variations else None,
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'price': price_dict(item, item.display_price) if not item.has_variations else None,
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'min_price': item.min_price if item.has_variations else None,
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'max_price': item.max_price if item.has_variations else None,
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'allow_waitinglist': item.allow_waitinglist,
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'mandatory_priced_addons': item.mandatory_priced_addons,
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'free_price': item.free_price,
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'avail': [
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item.cached_availability[0],
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item.cached_availability[1] if item.do_show_quota_left else None
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] if not item.has_variations else None,
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'original_price': (
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(item.original_price.net
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if self.request.event.settings.display_net_prices
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else item.original_price.gross)
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if item.original_price else None
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),
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'variations': [
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{
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'id': var.id,
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'value': str(var.value),
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'order_max': var.order_max,
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'description': str(rich_text(var.description, safelinks=False)) if var.description else None,
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'price': price_dict(item, var.display_price),
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'original_price': (
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(
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var.original_price.net
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if self.request.event.settings.display_net_prices
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else var.original_price.gross
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) if var.original_price else None
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) or (
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(
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item.original_price.net
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if self.request.event.settings.display_net_prices
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else item.original_price.gross
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) if item.original_price else None
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),
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'avail': [
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var.cached_availability[0],
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var.cached_availability[1] if item.do_show_quota_left else None
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],
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} for var in item.available_variations if (not variation_filter or var.id in variation_filter)
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]
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} for item in g
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]
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})
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return grps, display_add_to_cart, len(items), items
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def post_process(self, data):
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data['poweredby'] = get_powered_by(self.request, safelink=False)
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def response(self, data):
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self.post_process(data)
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resp = JsonResponse(data)
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resp['Access-Control-Allow-Origin'] = '*'
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resp._csp_ignore = True
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return resp
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def get(self, request, *args, **kwargs):
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if not hasattr(request, 'event'):
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return self._get_event_list(request, **kwargs)
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if not request.event.live:
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return self.response({
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'error': gettext('This ticket shop is currently disabled.')
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})
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if request.sales_channel.identifier not in request.event.sales_channels:
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return self.response({
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'error': gettext('Tickets for this event cannot be purchased on this sales channel.')
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})
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self.subevent = None
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if request.event.has_subevents:
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if 'subevent' in kwargs:
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self.subevent = request.event.subevents.filter(pk=kwargs['subevent'], active=True).first()
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if not self.subevent:
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return self.response({
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'error': gettext('The selected date does not exist in this event series.')
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})
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else:
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return self._get_event_list(request, **kwargs)
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else:
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if 'subevent' in kwargs:
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return self.response({
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'error': gettext('This is not an event series.')
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})
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return self._get_event_view(request, **kwargs)
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def dispatch(self, request, *args, **kwargs):
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o = getattr(request, 'event', request.organizer)
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if 'lang' in request.GET and request.GET.get('lang') in [lc for lc, ll in settings.LANGUAGES]:
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with language(request.GET.get('lang'), o.settings.region):
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return self.get(request, **kwargs)
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else:
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return self.get(request, **kwargs)
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def _get_availability(self, ev, event, tz=None):
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availability = {}
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if ev.presale_is_running and event.settings.event_list_availability:
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if ev.best_availability_state == Quota.AVAILABILITY_OK:
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if ev.best_availability_is_low:
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availability['color'] = 'green'
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availability['text'] = gettext('Few tickets left')
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availability['reason'] = 'low'
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else:
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availability['color'] = 'green'
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if ev.has_paid_item:
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availability['text'] = pgettext('available_event_in_list', 'Buy now')
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else:
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availability['text'] = gettext('Book now')
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availability['reason'] = 'ok'
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elif event.settings.waiting_list_enabled and (ev.best_availability_state is not None and ev.best_availability_state >= 0):
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availability['color'] = 'orange'
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availability['text'] = gettext('Waiting list')
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availability['reason'] = 'waitinglist'
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elif ev.best_availability_state == Quota.AVAILABILITY_RESERVED:
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availability['color'] = 'red'
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availability['text'] = gettext('Reserved')
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availability['reason'] = 'reserved'
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elif ev.best_availability_state is not None and ev.best_availability_state < Quota.AVAILABILITY_RESERVED:
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availability['color'] = 'red'
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if ev.has_paid_item:
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availability['text'] = gettext('Sold out')
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else:
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availability['text'] = gettext('Fully booked')
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availability['reason'] = 'full'
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else: # unknown / no product
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availability['color'] = 'none'
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availability['text'] = ''
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availability['reason'] = 'unknown'
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elif ev.presale_is_running:
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availability['color'] = 'green'
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availability['text'] = gettext('Book now')
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availability['reason'] = 'ok'
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elif ev.presale_has_ended:
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availability['color'] = 'red'
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availability['text'] = gettext('Sale over')
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availability['reason'] = 'over'
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elif event.settings.presale_start_show_date and ev.presale_start:
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availability['color'] = 'orange'
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availability['text'] = gettext('from %(start_date)s') % {
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'start_date': date_format(ev.presale_start.astimezone(tz or event.timezone), "SHORT_DATE_FORMAT")
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}
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availability['reason'] = 'soon'
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else:
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availability['color'] = 'orange'
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availability['text'] = gettext('Soon')
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availability['reason'] = 'soon'
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return availability
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def _get_date_range(self, ev, event, tz=None):
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tz = tz or event.timezone
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dr = ev.get_date_range_display(tz)
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if event.settings.show_times:
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dr += " " + date_format(ev.date_from.astimezone(tz), "TIME_FORMAT")
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if event.settings.show_date_to and ev.date_to and ev.date_from.astimezone(tz).date() == ev.date_to.astimezone(tz).date():
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dr += " – " + date_format(ev.date_to.astimezone(tz), "TIME_FORMAT")
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return dr
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def _serialize_events(self, ebd):
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events = []
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for e in ebd:
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ev = e['event']
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if isinstance(ev, SubEvent):
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event = ev.event
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else:
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event = ev
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tz = ZoneInfo(e['timezone'])
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time = date_format(ev.date_from.astimezone(tz), 'TIME_FORMAT') if e.get('time') and event.settings.show_times else None
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if time and ev.date_to and ev.date_from.astimezone(tz).date() == ev.date_to.astimezone(tz).date() and event.settings.show_date_to:
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time += ' – ' + date_format(ev.date_to.astimezone(tz), 'TIME_FORMAT')
|
||
events.append({
|
||
'name': str(ev.name),
|
||
'time': time,
|
||
'continued': e['continued'],
|
||
'location': str(ev.location),
|
||
'date_range': self._get_date_range(ev, event, tz=tz),
|
||
'availability': self._get_availability(ev, event, tz=tz),
|
||
'event_url': build_absolute_uri(event, 'presale:event.index'),
|
||
'subevent': ev.pk if isinstance(ev, SubEvent) else None,
|
||
})
|
||
return events
|
||
|
||
def _get_event_list(self, request, **kwargs):
|
||
data = {}
|
||
o = getattr(request, 'event', request.organizer)
|
||
list_type = self.request.GET.get("style", o.settings.event_list_type)
|
||
data['list_type'] = list_type
|
||
|
||
if hasattr(self.request, 'event') and data['list_type'] not in ("calendar", "week"):
|
||
# only allow list-view of more than 50 subevents if ordering is by data as this can be done in the database
|
||
# ordering by name is currently not supported in database due to I18NField-JSON
|
||
ordering = self.request.event.settings.get('frontpage_subevent_ordering', default='date_ascending', as_type=str)
|
||
if ordering not in ("date_ascending", "date_descending") and self.request.event.subevents.filter(date_from__gt=now()).count() > 50:
|
||
if self.request.event.settings.event_list_type not in ("calendar", "week"):
|
||
self.request.event.settings.event_list_type = "calendar"
|
||
data['list_type'] = list_type = 'calendar'
|
||
|
||
if hasattr(self.request, 'event'):
|
||
data['name'] = str(request.event.name)
|
||
data['frontpage_text'] = str(rich_text(request.event.settings.frontpage_text, safelinks=False))
|
||
|
||
cache_key = ':'.join([
|
||
'widget.py',
|
||
'eventlist',
|
||
request.organizer.slug,
|
||
request.event.slug if hasattr(request, 'event') else '-',
|
||
list_type,
|
||
request.GET.urlencode(),
|
||
get_language(),
|
||
])
|
||
cached_data = cache.get(cache_key)
|
||
if cached_data:
|
||
return self.response(cached_data)
|
||
|
||
if list_type == "calendar":
|
||
self._set_month_year()
|
||
_, ndays = calendar.monthrange(self.year, self.month)
|
||
|
||
data['date'] = date(self.year, self.month, 1)
|
||
if hasattr(self.request, 'event'):
|
||
tz = self.request.event.timezone
|
||
else:
|
||
tz = self.request.organizer.timezone
|
||
before = datetime(self.year, self.month, 1, 0, 0, 0, tzinfo=tz) - timedelta(days=1)
|
||
after = datetime(self.year, self.month, ndays, 0, 0, 0, tzinfo=tz) + timedelta(days=1)
|
||
if hasattr(self.request, 'event') and self.request.event.settings.event_calendar_future_only:
|
||
limit_before = min(after, now().astimezone(tz))
|
||
else:
|
||
limit_before = before
|
||
|
||
ebd = defaultdict(list)
|
||
|
||
if hasattr(self.request, 'event'):
|
||
add_subevents_for_days(
|
||
filter_qs_by_attr(
|
||
self.request.event.subevents_annotated('web').filter(
|
||
event__sales_channels__contains=self.request.sales_channel.identifier
|
||
), self.request
|
||
),
|
||
limit_before, after, ebd, set(), self.request.event,
|
||
kwargs.get('cart_namespace')
|
||
)
|
||
else:
|
||
timezones = set()
|
||
add_events_for_days(
|
||
self.request,
|
||
filter_qs_by_attr(
|
||
Event.annotated(self.request.organizer.events, 'web').filter(
|
||
sales_channels__contains=self.request.sales_channel.identifier
|
||
), self.request
|
||
),
|
||
limit_before, after, ebd, timezones
|
||
)
|
||
add_subevents_for_days(filter_qs_by_attr(SubEvent.annotated(SubEvent.objects.filter(
|
||
event__organizer=self.request.organizer,
|
||
event__is_public=True,
|
||
event__live=True,
|
||
event__sales_channels__contains=self.request.sales_channel.identifier
|
||
).prefetch_related(
|
||
'event___settings_objects', 'event__organizer___settings_objects'
|
||
)), self.request), limit_before, after, ebd, timezones)
|
||
|
||
data['weeks'] = weeks_for_template(ebd, self.year, self.month)
|
||
for w in data['weeks']:
|
||
for d in w:
|
||
if not d:
|
||
continue
|
||
d['events'] = self._serialize_events(d['events'] or [])
|
||
elif list_type == "week":
|
||
self._set_week_year()
|
||
|
||
if hasattr(self.request, 'event'):
|
||
tz = self.request.event.timezone
|
||
else:
|
||
tz = self.request.organizer.timezone
|
||
|
||
week = isoweek.Week(self.year, self.week)
|
||
data['week'] = [self.year, self.week]
|
||
before = datetime(
|
||
week.monday().year, week.monday().month, week.monday().day, 0, 0, 0, tzinfo=tz
|
||
) - timedelta(days=1)
|
||
after = datetime(
|
||
week.sunday().year, week.sunday().month, week.sunday().day, 0, 0, 0, tzinfo=tz
|
||
) + timedelta(days=1)
|
||
|
||
if hasattr(self.request, 'event') and self.request.event.settings.event_calendar_future_only:
|
||
limit_before = now().astimezone(tz)
|
||
else:
|
||
limit_before = before
|
||
|
||
ebd = defaultdict(list)
|
||
if hasattr(self.request, 'event'):
|
||
add_subevents_for_days(
|
||
filter_qs_by_attr(self.request.event.subevents_annotated('web'), self.request),
|
||
limit_before, after, ebd, set(), self.request.event,
|
||
kwargs.get('cart_namespace')
|
||
)
|
||
else:
|
||
timezones = set()
|
||
add_events_for_days(
|
||
self.request,
|
||
filter_qs_by_attr(Event.annotated(self.request.organizer.events, 'web'), self.request),
|
||
limit_before, after, ebd, timezones
|
||
)
|
||
add_subevents_for_days(filter_qs_by_attr(SubEvent.annotated(SubEvent.objects.filter(
|
||
event__organizer=self.request.organizer,
|
||
event__is_public=True,
|
||
event__live=True,
|
||
).prefetch_related(
|
||
'event___settings_objects', 'event__organizer___settings_objects'
|
||
)), self.request), limit_before, after, ebd, timezones)
|
||
|
||
data['days'] = days_for_template(ebd, week)
|
||
for d in data['days']:
|
||
d['events'] = self._serialize_events(d['events'] or [])
|
||
else:
|
||
offset = int(self.request.GET.get("offset", 0))
|
||
limit = 50
|
||
if hasattr(self.request, 'event'):
|
||
evs = filter_qs_by_attr(self.request.event.subevents_annotated(self.request.sales_channel.identifier), self.request)
|
||
evs = self.request.event.subevents_sorted(evs)
|
||
ordering = self.request.event.settings.get('frontpage_subevent_ordering', default='date_ascending', as_type=str)
|
||
data['has_more_events'] = False
|
||
if ordering in ("date_ascending", "date_descending"):
|
||
# fetch one more result than needed to check if more events exist
|
||
evs = list(evs[offset:offset + limit + 1])
|
||
if len(evs) > limit:
|
||
data['has_more_events'] = True
|
||
evs = evs[:limit]
|
||
|
||
tz = request.event.timezone
|
||
if self.request.event.settings.event_list_available_only:
|
||
evs = [
|
||
se for se in evs
|
||
if not se.presale_has_ended and (
|
||
se.best_availability_state is not None and
|
||
se.best_availability_state >= Quota.AVAILABILITY_RESERVED
|
||
)
|
||
]
|
||
|
||
data['events'] = [
|
||
{
|
||
'name': str(ev.name),
|
||
'location': str(ev.location),
|
||
'date_range': self._get_date_range(ev, ev.event, tz),
|
||
'availability': self._get_availability(ev, ev.event, tz=tz),
|
||
'event_url': build_absolute_uri(ev.event, 'presale:event.index'),
|
||
'subevent': ev.pk,
|
||
} for ev in evs
|
||
]
|
||
else:
|
||
data['events'] = []
|
||
qs = self._get_event_queryset()
|
||
for event in qs:
|
||
tz = ZoneInfo(event.cache.get_or_set('timezone', lambda: event.settings.timezone))
|
||
if event.has_subevents:
|
||
dr = daterange(
|
||
event.min_from.astimezone(tz),
|
||
(event.max_fromto or event.max_to or event.max_from).astimezone(tz)
|
||
)
|
||
avail = {'color': 'none', 'text': gettext('Event series')}
|
||
else:
|
||
dr = self._get_date_range(event, event, tz)
|
||
avail = self._get_availability(event, event, tz=tz)
|
||
data['events'].append({
|
||
'name': str(event.name),
|
||
'location': str(event.location),
|
||
'date_range': dr,
|
||
'availability': avail,
|
||
'event_url': build_absolute_uri(event, 'presale:event.index'),
|
||
})
|
||
|
||
cache.set(cache_key, data, 30)
|
||
# These pages are cached for a really short duration – this should make them pretty accurate, while still
|
||
# providing some protection against burst traffic.
|
||
return self.response(data)
|
||
|
||
def _get_event_view(self, request, **kwargs):
|
||
cache_key = ':'.join([
|
||
'widget.py',
|
||
'event',
|
||
request.organizer.slug,
|
||
request.event.slug,
|
||
str(self.subevent.pk) if self.subevent else "",
|
||
request.GET.urlencode(),
|
||
get_language(),
|
||
request.sales_channel.identifier,
|
||
])
|
||
if "cart_id" not in request.GET:
|
||
cached_data = cache.get(cache_key)
|
||
if cached_data:
|
||
return self.response(cached_data)
|
||
|
||
data = {
|
||
'currency': request.event.currency,
|
||
'display_net_prices': request.event.settings.display_net_prices,
|
||
'use_native_spinners': request.event.settings.widget_use_native_spinners,
|
||
'show_variations_expanded': request.event.settings.show_variations_expanded,
|
||
'waiting_list_enabled': request.event.settings.waiting_list_enabled,
|
||
'voucher_explanation_text': str(rich_text(request.event.settings.voucher_explanation_text, safelinks=False)),
|
||
'error': None,
|
||
'cart_exists': False
|
||
}
|
||
|
||
if 'cart_id' in request.GET and CartPosition.objects.filter(event=request.event, cart_id=request.GET.get('cart_id')).exists():
|
||
data['cart_exists'] = True
|
||
|
||
ev = self.subevent or request.event
|
||
data['name'] = str(ev.name)
|
||
if self.subevent:
|
||
data['frontpage_text'] = str(rich_text(self.subevent.frontpage_text, safelinks=False))
|
||
data['location'] = str(rich_text(self.subevent.location, safelinks=False))
|
||
else:
|
||
data['frontpage_text'] = str(rich_text(request.event.settings.frontpage_text, safelinks=False))
|
||
data['location'] = str(rich_text(request.event.location, safelinks=False))
|
||
data['date_range'] = self._get_date_range(ev, request.event)
|
||
fail = False
|
||
|
||
vouchers_exist = self.request.event.get_cache().get('vouchers_exist')
|
||
if vouchers_exist is None:
|
||
vouchers_exist = self.request.event.vouchers.exists()
|
||
self.request.event.get_cache().set('vouchers_exist', vouchers_exist)
|
||
data['vouchers_exist'] = vouchers_exist
|
||
|
||
if not ev.presale_is_running:
|
||
data['vouchers_exist'] = False
|
||
if ev.presale_has_ended:
|
||
if request.event.settings.presale_has_ended_text:
|
||
data['error'] = str(request.event.settings.presale_has_ended_text)
|
||
else:
|
||
data['error'] = gettext('The booking period for this event is over.')
|
||
elif request.event.settings.presale_start_show_date:
|
||
data['error'] = gettext('The booking period for this event will start on %(date)s at %(time)s.') % {
|
||
'date': date_format(ev.effective_presale_start.astimezone(request.event.timezone), "SHORT_DATE_FORMAT"),
|
||
'time': date_format(ev.effective_presale_start.astimezone(request.event.timezone), "TIME_FORMAT"),
|
||
}
|
||
else:
|
||
data['error'] = gettext('The booking period for this event has not yet started.')
|
||
|
||
self.voucher = None
|
||
if 'voucher' in request.GET:
|
||
try:
|
||
self.voucher = request.event.vouchers.get(code__iexact=request.GET.get('voucher').strip())
|
||
if self.voucher.redeemed >= self.voucher.max_usages:
|
||
data['error'] = error_messages['voucher_redeemed']
|
||
fail = True
|
||
if self.voucher.valid_until is not None and self.voucher.valid_until < now():
|
||
data['error'] = error_messages['voucher_expired']
|
||
fail = True
|
||
|
||
cart_id = get_or_create_cart_id(request, create=False)
|
||
if cart_id:
|
||
redeemed_in_carts = CartPosition.objects.filter(
|
||
Q(voucher=self.voucher) & Q(event=request.event) &
|
||
(Q(expires__gte=now()) | Q(cart_id=get_or_create_cart_id(request)))
|
||
)
|
||
else:
|
||
redeemed_in_carts = CartPosition.objects.filter(
|
||
Q(voucher=self.voucher) & Q(event=request.event) & Q(expires__gte=now())
|
||
)
|
||
v_avail = self.voucher.max_usages - self.voucher.redeemed - redeemed_in_carts.count()
|
||
|
||
if v_avail < 1:
|
||
data['error'] = error_messages['voucher_redeemed']
|
||
fail = True
|
||
except Voucher.DoesNotExist:
|
||
data['error'] = error_messages['voucher_invalid']
|
||
fail = True
|
||
|
||
if not fail and (ev.presale_is_running or request.event.settings.show_items_outside_presale_period):
|
||
data['items_by_category'], data['display_add_to_cart'], data['itemnum'], items = self._get_items()
|
||
data['display_add_to_cart'] = data['display_add_to_cart'] and ev.presale_is_running
|
||
else:
|
||
items = []
|
||
data['items_by_category'] = []
|
||
data['display_add_to_cart'] = False
|
||
data['itemnum'] = 0
|
||
data['vouchers_exist'] = False
|
||
|
||
data['has_seating_plan'] = ev.seating_plan is not None
|
||
data['has_seating_plan_waitinglist'] = False
|
||
if request.event.settings.waiting_list_enabled and ev.presale_is_running:
|
||
for i in items:
|
||
if not i.allow_waitinglist or not i.requires_seat:
|
||
continue
|
||
|
||
if i.has_variations:
|
||
for v in i.available_variations:
|
||
if v.cached_availability[0] != Quota.AVAILABILITY_OK:
|
||
data['has_seating_plan_waitinglist'] = True
|
||
break
|
||
else:
|
||
if i.cached_availability[0] != Quota.AVAILABILITY_OK:
|
||
data['has_seating_plan_waitinglist'] = True
|
||
break
|
||
|
||
if "cart_id" not in request.GET:
|
||
cache.set(cache_key, data, 10)
|
||
# These pages are cached for a really short duration – this should make them pretty accurate with
|
||
# regards to availability display, while still providing some protection against burst traffic.
|
||
return self.response(data)
|