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115 lines
3.8 KiB
Python
115 lines
3.8 KiB
Python
from django.core.validators import RegexValidator
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from django.db import models
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from django.utils.functional import cached_property
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from django.utils.translation import ugettext_lazy as _
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from versions.models import VersionedForeignKey
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from pretix.base.settings import SettingsProxy
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from .auth import User
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from .base import Versionable
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class Organizer(Versionable):
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"""
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This model represents an entity organizing events, e.g. a company, institution,
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charity, person, …
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:param name: The organizer's name
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:type name: str
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:param slug: A globally unique, short name for this organizer, to be used
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in URLs and similar places.
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:type slug: str
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"""
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name = models.CharField(max_length=200,
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verbose_name=_("Name"))
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slug = models.SlugField(
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max_length=50, db_index=True,
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help_text=_(
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"Should be short, only contain lowercase letters and numbers, and must be unique among your events. "
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"This is being used in addresses and bank transfer references."),
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validators=[
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RegexValidator(
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regex="^[a-zA-Z0-9.-]+$",
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message=_("The slug may only contain letters, numbers, dots and dashes.")
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)
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],
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verbose_name=_("Slug"),
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)
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permitted = models.ManyToManyField(User, through='OrganizerPermission',
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related_name="organizers")
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class Meta:
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verbose_name = _("Organizer")
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verbose_name_plural = _("Organizers")
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ordering = ("name",)
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def __str__(self):
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return self.name
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def save(self, *args, **kwargs):
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obj = super().save(*args, **kwargs)
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self.get_cache().clear()
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return obj
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@cached_property
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def settings(self) -> SettingsProxy:
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"""
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Returns an object representing this organizer's settings
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"""
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return SettingsProxy(self, type=OrganizerSetting)
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def get_cache(self) -> "pretix.base.cache.ObjectRelatedCache":
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"""
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Returns an :py:class:`ObjectRelatedCache` object. This behaves equivalent to
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Django's built-in cache backends, but puts you into an isolated environment for
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this organizer, so you don't have to prefix your cache keys. In addition, the cache
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is being cleared every time the organizer changes.
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"""
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from pretix.base.cache import ObjectRelatedCache
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return ObjectRelatedCache(self)
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class OrganizerPermission(Versionable):
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"""
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The relation between an Organizer and an User who has permissions to
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access an organizer profile.
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:param organizer: The organizer this relation refers to
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:type organizer: Organizer
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:param user: The user this set of permissions is valid for
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:type user: User
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:param can_create_events: Whether or not this user can create new events with this
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organizer account.
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:type can_create_events: bool
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"""
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organizer = VersionedForeignKey(Organizer)
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user = models.ForeignKey(User, related_name="organizer_perms")
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can_create_events = models.BooleanField(
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default=True,
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verbose_name=_("Can create events"),
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)
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class Meta:
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verbose_name = _("Organizer permission")
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verbose_name_plural = _("Organizer permissions")
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def __str__(self):
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return _("%(name)s on %(object)s") % {
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'name': str(self.user),
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'object': str(self.organizer),
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}
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class OrganizerSetting(Versionable):
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"""
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An event option is a key-value setting which can be set for an
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organizer. It will be inherited by the events of this organizer
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"""
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object = VersionedForeignKey(Organizer, related_name='setting_objects')
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key = models.CharField(max_length=255)
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value = models.TextField()
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