from django.db import models
from django.utils.text import slugify
from django.utils.translation import gettext_lazy as _
from i18nfield.fields import I18nCharField
from pretalx.common.models.mixins import PretalxModel
from pretalx.common.urls import EventUrls
def pleasing_number(number):
if int(number) == number:
return int(number)
return number
[docs]
class SubmissionType(PretalxModel):
"""Each :class:`~pretalx.submission.models.submission.Submission` has one
SubmissionType.
SubmissionTypes are used to group submissions by default duration (which
can be overridden on a per-submission basis), and to be able to offer
different deadlines for some parts of the
:class:`~pretalx.event.models.event.Event`.
"""
event = models.ForeignKey(
to="event.Event", related_name="submission_types", on_delete=models.CASCADE
)
name = I18nCharField(max_length=100, verbose_name=_("name"))
default_duration = models.PositiveIntegerField(
default=30,
verbose_name=_("default duration"),
help_text=_("Default duration in minutes"),
)
deadline = models.DateTimeField(
null=True,
blank=True,
verbose_name=_("Deadline"),
help_text=_(
"If you want a different deadline than the global deadline for this session type, enter it here."
),
)
requires_access_code = models.BooleanField(
verbose_name=_("Requires access code"),
help_text=_(
"This session type will only be shown to submitters with a matching access code."
),
default=False,
)
class urls(EventUrls):
base = edit = "{self.event.cfp.urls.types}{self.pk}/"
default = "{base}default"
delete = "{base}delete"
prefilled_cfp = "{self.event.cfp.urls.public}?submission_type={self.slug}"
def __str__(self) -> str:
"""Used in choice drop downs."""
if not self.default_duration:
return str(self.name)
if self.default_duration > 60 * 24:
return _("{name} ({duration} days)").format(
name=self.name,
duration=pleasing_number(round(self.default_duration / 60 / 24, 1)),
)
if self.default_duration > 90:
return _("{name} ({duration} hours)").format(
name=self.name,
duration=pleasing_number(round(self.default_duration / 60, 1)),
)
return _("{name} ({duration} minutes)").format(
name=self.name, duration=self.default_duration
)
@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 submission type name.
"""
return f"{self.id}-{slugify(self.name)}"
[docs]
def update_duration(self):
"""Updates the duration of all.
:class:`~pretalx.schedule.models.slot.TalkSlot` objects of
:class:`~pretalx.submission.models.submission.Submission` objects of
this type.
Runs only for submissions that do not override their default
duration. Should be called whenever ``duration`` changes.
"""
for submission in self.submissions.filter(duration__isnull=True):
submission.update_duration()
update_duration.alters_data = True
