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proceeding.py
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proceeding.py
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from django.db.models import CASCADE
from mptt.fields import TreeOneToOneField
try:
from django.contrib.contenttypes.fields import GenericForeignKey
except ImportError:
from django.contrib.contenttypes.generic import GenericForeignKey
from django.db import models
from django.utils.translation import ugettext_lazy as _
from river.models.proceeding_meta import ProceedingMeta
from river.models.base_model import BaseModel
from river.models.managers.proceeding import ProceedingManager
from river.config import app_config
__author__ = 'ahmetdal'
PENDING = 0
APPROVED = 1
REJECTED = 2
PROCEEDING_STATUSES = [
(PENDING, _('Pending')),
(APPROVED, _('Approved')),
(REJECTED, _('Rejected')),
]
class Proceeding(BaseModel):
class Meta:
app_label = 'river'
verbose_name = _("Proceeding")
verbose_name_plural = _("Proceedings")
objects = ProceedingManager()
content_type = models.ForeignKey(app_config.CONTENT_TYPE_CLASS, verbose_name=_('Content Type'), on_delete=CASCADE)
object_id = models.PositiveIntegerField(verbose_name=_('Related Object'))
workflow_object = GenericForeignKey('content_type', 'object_id')
meta = models.ForeignKey(ProceedingMeta, verbose_name=_('Meta'), related_name="proceedings", on_delete=CASCADE)
transactioner = models.ForeignKey(app_config.USER_CLASS, verbose_name=_('Transactioner'), null=True, blank=True, on_delete=CASCADE)
transaction_date = models.DateTimeField(null=True, blank=True)
status = models.IntegerField(_('Status'), choices=PROCEEDING_STATUSES, default=PENDING)
skip = models.BooleanField(_('Skip'), default=False)
permissions = models.ManyToManyField(app_config.PERMISSION_CLASS, verbose_name=_('Permissions'))
groups = models.ManyToManyField(app_config.GROUP_CLASS, verbose_name=_('Groups'))
order = models.IntegerField(default=0, verbose_name=_('Order'))
enabled = models.BooleanField(_('Enabled?'), default=True)
previous = TreeOneToOneField("self", verbose_name=_('Previous Proceeding'), related_name="next_proceeding",null=True, blank=True, on_delete=CASCADE)
cloned = models.BooleanField(_('Cloned?'), default=False)