symposion_app/symposion/proposals/models.py
2016-08-02 10:51:43 +10:00

260 lines
9 KiB
Python

from __future__ import unicode_literals
import os
import uuid
from django.core.urlresolvers import reverse
from django.db import models
from django.db.models import Q
from django.utils.encoding import python_2_unicode_compatible
from django.utils.translation import ugettext_lazy as _
from django.utils.timezone import now
from django.contrib.auth.models import User
from django.core.exceptions import ObjectDoesNotExist
from django.core.exceptions import ValidationError
from model_utils.managers import InheritanceManager
from reversion import revisions as reversion
from symposion.markdown_parser import parse
from symposion.conference.models import Section
from symposion.speakers.models import Speaker
@python_2_unicode_compatible
class ProposalSection(models.Model):
"""
configuration of proposal submissions for a specific Section.
a section is available for proposals iff:
* it is after start (if there is one) and
* it is before end (if there is one) and
* closed is NULL or False
"""
section = models.OneToOneField(Section, verbose_name=_("Section"))
start = models.DateTimeField(null=True, blank=True, verbose_name=_("Start"))
end = models.DateTimeField(null=True, blank=True, verbose_name=_("End"))
closed = models.NullBooleanField(verbose_name=_("Closed"))
published = models.NullBooleanField(verbose_name=_("Published"))
@classmethod
def available(cls):
return cls._default_manager.filter(
Q(start__lt=now()) | Q(start=None),
Q(end__gt=now()) | Q(end=None),
Q(closed=False) | Q(closed=None),
)
def is_available(self):
if self.closed:
return False
if self.start and self.start > now():
return False
if self.end and self.end < now():
return False
return True
def __str__(self):
return self.section.name
@python_2_unicode_compatible
class ProposalKind(models.Model):
"""
e.g. talk vs panel vs tutorial vs poster
Note that if you have different deadlines, reviewers, etc. you'll want
to distinguish the section as well as the kind.
"""
section = models.ForeignKey(Section, related_name="proposal_kinds", verbose_name=_("Section"))
name = models.CharField(_("Name"), max_length=100)
slug = models.SlugField(verbose_name=_("Slug"))
def __str__(self):
return self.name
@python_2_unicode_compatible
class ProposalBase(models.Model):
objects = InheritanceManager()
kind = models.ForeignKey(ProposalKind, verbose_name=_("Kind"))
title = models.CharField(max_length=100, verbose_name=_("Title"))
abstract = models.TextField(
_("Abstract"),
help_text=_("This will appear in the conference programme. Up to about "
"500 words. Edit using <a "
"href='http://warpedvisions.org/projects/"
"markdown-cheat-sheet/' target='_blank'>Markdown</a>.")
)
abstract_html = models.TextField(blank=True)
private_abstract = models.TextField(
_("Private Abstract"),
help_text=_("This will only be shown to organisers and reviewers. You "
"should provide any details about your proposal that you "
"don't want to be public here. Edit using <a "
"href='http://warpedvisions.org/projects/"
"markdown-cheat-sheet/' target='_blank'>Markdown</a>.")
)
private_abstract_html = models.TextField(blank=True)
technical_requirements = models.TextField(
_("Special Requirements"),
blank=True,
help_text=_("Speakers will be provided with: Internet access, power, "
"projector, audio. If you require anything in addition, "
"please list your technical requirements here. Such as: a "
"static IP address, A/V equipment or will be demonstrating "
"security-related techniques on the conference network. "
"Edit using <a "
"href='http://warpedvisions.org/projects/"
"markdown-cheat-sheet/' target='_blank'>Markdown</a>.")
)
technical_requirements_html = models.TextField(blank=True)
project = models.CharField(
max_length=100,
blank=True,
help_text=_("The name of the project you will be talking about."),
)
project_url = models.URLField(
_("Project URL"),
blank=True,
help_text=_("If your project has a webpage, specify the URL here so "
"the committee can find out more about your proposal.")
)
video_url = models.URLField(
_("Video"),
blank=True,
help_text=_("You may optionally provide us with a link to a video of "
"you speaking at another event, or of a short 'elevator "
"pitch' of your proposed talk.")
)
submitted = models.DateTimeField(
default=now,
editable=False,
verbose_name=_("Submitted")
)
speaker = models.ForeignKey(Speaker, related_name="proposals", verbose_name=_("Speaker"))
# @@@ this validation used to exist as a validators keyword on additional_speakers
# M2M field but that is no longer supported by Django. Should be moved to
# the form level
def additional_speaker_validator(self, a_speaker):
if a_speaker.speaker.email == self.speaker.email:
raise ValidationError(_("%s is same as primary speaker.") % a_speaker.speaker.email)
if a_speaker in [self.additional_speakers]:
raise ValidationError(_("%s has already been in speakers.") % a_speaker.speaker.email)
additional_speakers = models.ManyToManyField(Speaker, through="AdditionalSpeaker",
blank=True, verbose_name=_("Addtional speakers"))
cancelled = models.BooleanField(default=False, verbose_name=_("Cancelled"))
def save(self, *args, **kwargs):
self.abstract_html = parse(self.abstract)
self.private_abstract_html = parse(self.private_abstract)
self.technical_requirements_html = parse(self.technical_requirements)
return super(ProposalBase, self).save(*args, **kwargs)
def can_edit(self):
return True
@property
def section(self):
return self.kind.section
@property
def speaker_email(self):
return self.speaker.email
@property
def number(self):
return str(self.pk).zfill(3)
@property
def status(self):
try:
return self.result.status
except ObjectDoesNotExist:
return _('Undecided')
def speakers(self):
yield self.speaker
speakers = self.additional_speakers.exclude(
additionalspeaker__status=AdditionalSpeaker.SPEAKING_STATUS_DECLINED)
for speaker in speakers:
yield speaker
def notification_email_context(self):
return {
"title": self.title,
"speaker": self.speaker.name,
"speakers": ', '.join([x.name for x in self.speakers()]),
"kind": self.kind.name,
}
def __str__(self):
return self.title
reversion.register(ProposalBase)
@python_2_unicode_compatible
class AdditionalSpeaker(models.Model):
SPEAKING_STATUS_PENDING = 1
SPEAKING_STATUS_ACCEPTED = 2
SPEAKING_STATUS_DECLINED = 3
SPEAKING_STATUS = [
(SPEAKING_STATUS_PENDING, _("Pending")),
(SPEAKING_STATUS_ACCEPTED, _("Accepted")),
(SPEAKING_STATUS_DECLINED, _("Declined")),
]
speaker = models.ForeignKey(Speaker, verbose_name=_("Speaker"))
proposalbase = models.ForeignKey(ProposalBase, verbose_name=_("Proposalbase"))
status = models.IntegerField(choices=SPEAKING_STATUS, default=SPEAKING_STATUS_PENDING, verbose_name=_("Status"))
class Meta:
unique_together = ("speaker", "proposalbase")
verbose_name = _("Addtional speaker")
verbose_name_plural = _("Additional speakers")
def __str__(self):
if self.status is self.SPEAKING_STATUS_PENDING:
return _(u"pending speaker (%s)") % self.speaker.email
elif self.status is self.SPEAKING_STATUS_DECLINED:
return _(u"declined speaker (%s)") % self.speaker.email
else:
return self.speaker.name
def uuid_filename(instance, filename):
ext = filename.split(".")[-1]
filename = "%s.%s" % (uuid.uuid4(), ext)
return os.path.join("document", filename)
class SupportingDocument(models.Model):
proposal = models.ForeignKey(ProposalBase, related_name="supporting_documents", verbose_name=_("Proposal"))
uploaded_by = models.ForeignKey(User, verbose_name=_("Uploaded by"))
created_at = models.DateTimeField(default=now, verbose_name=_("Created at"))
file = models.FileField(upload_to=uuid_filename, verbose_name=_("File"))
description = models.CharField(max_length=140, verbose_name=_("Description"))
def download_url(self):
return reverse("proposal_document_download",
args=[self.pk, os.path.basename(self.file.name).lower()])