from django.core.validators import RegexValidator
from django.db import models
from django.utils.text import slugify
from django.utils.translation import gettext_lazy as _
from i18nfield.fields import I18nCharField, I18nTextField
from pretalx.agenda.rules import is_agenda_visible
from pretalx.common.models.mixins import OrderedModel, PretalxModel
from pretalx.common.urls import EventUrls
from pretalx.event.rules import can_change_event_settings
from pretalx.submission.rules import (
is_cfp_open,
orga_can_change_submissions,
use_tracks,
)
[docs]
class Track(OrderedModel, PretalxModel):
"""A track groups :class:`~pretalx.submission.models.submission.Submission`
objects within an :class:`~pretalx.event.models.event.Event`, e.g. by
topic.
:param color: The track colour, in the format #012345.
"""
event = models.ForeignKey(
to="event.Event", on_delete=models.PROTECT, related_name="tracks"
)
name = I18nCharField(
max_length=200,
verbose_name=_("Name"),
)
description = I18nTextField(
verbose_name=_("Description"),
blank=True,
)
color = models.CharField(
max_length=7,
verbose_name=_("Color"),
validators=[
RegexValidator("#([0-9A-Fa-f]{3}){1,2}"),
],
)
position = models.PositiveIntegerField(
null=True,
blank=True,
help_text="The position field is used to determine the order that tracks are displayed in (lowest first).",
)
requires_access_code = models.BooleanField(
verbose_name=_("Requires access code"),
help_text=_(
"This track will only be shown to submitters with a matching access code."
),
default=False,
)
log_prefix = "pretalx.track"
class Meta:
ordering = ("position",)
rules_permissions = {
"list": use_tracks & (is_agenda_visible | orga_can_change_submissions),
"view": use_tracks
& (is_cfp_open | is_agenda_visible | orga_can_change_submissions),
"orga_list": use_tracks & orga_can_change_submissions,
"orga_view": use_tracks & orga_can_change_submissions,
"create": use_tracks & can_change_event_settings,
"update": use_tracks & can_change_event_settings,
"delete": use_tracks & can_change_event_settings,
}
class urls(EventUrls):
base = edit = "{self.event.cfp.urls.tracks}{self.pk}/"
delete = "{base}delete/"
prefilled_cfp = "{self.event.cfp.urls.public}?track={self.slug}"
def __str__(self) -> str:
return str(self.name)
@property
def log_parent(self):
return self.event
@staticmethod
def get_order_queryset(event):
return event.tracks.all()
@property
def slug(self) -> str:
"""The slug makes tracks more readable in URLs.
It consists of the ID, followed by a slugified (and, in lookups,
optional) form of the track name.
"""
return f"{self.id}-{slugify(self.name)}"
