Files
mayan-edms/apps/workflows/models.py
2012-03-16 02:06:24 -04:00

145 lines
5.4 KiB
Python

from __future__ import absolute_import
from django.db import models
from django.contrib.contenttypes import generic
from django.contrib.contenttypes.models import ContentType
from django.utils.translation import ugettext_lazy as _
from permissions.models import StoredPermission
from .literals import OPERAND_CHOICES, OPERAND_AND
class Ability(models.Model):
label = models.CharField(max_length=128, unique=True, verbose_name = _(u'label'))
description = models.TextField(blank=True, verbose_name=_(u'description'))
def __unicode__(self):
return self.label
class Meta:
verbose_name = _(u'ability')
verbose_name_plural = _(u'abilities')
class Workflow(models.Model):
label = models.CharField(max_length=128, unique=True, verbose_name = _(u'label'))
initial_state = models.ForeignKey('WorkflowState', related_name='workflow_initial_state', blank=True, null=True, verbose_name=_(u'initial state'))
description = models.TextField(blank=True, verbose_name=_(u'description'))
def __unicode__(self):
return self.label
class Meta:
verbose_name = _(u'workflow')
verbose_name_plural = _(u'workflows')
class State(models.Model):
label = models.CharField(max_length=128, verbose_name=_(u'label'))
description = models.TextField(blank=True, verbose_name=_(u'description'))
def __unicode__(self):
#return '%s (%s)' % (self.name, self.workflow.name)
return self.label
class Meta:
verbose_name = _(u'state')
verbose_name_plural = _(u'states')
class Transition(models.Model):
label = models.CharField(max_length=128, verbose_name=_(u'label'))
description = models.TextField(blank=True, verbose_name=_(u'description'))
def __unicode__(self):
#return '%s (%s)' % (self.name, self.workflow.name)
return self.label
class Meta:
verbose_name = _(u'transition')
verbose_name_plural = _(u'transitions')
class WorkflowState(models.Model):
workflow = models.ForeignKey(Workflow, verbose_name=_(u'workflow'))
state = models.ForeignKey(State, verbose_name=_(u'state'))
description = models.TextField(blank=True, verbose_name=_(u'description'))
def __unicode__(self):
#return '%s (%s)' % (self.label, self.workflow.label)
return unicode(self.state)
class Meta:
verbose_name = _(u'workflow state')
verbose_name_plural = _(u'workflows states')
class WorkflowStateAbilityGrant(models.Model):
workflow_state = models.ForeignKey(WorkflowState, related_name='workflow_state_ability', verbose_name=_(u'workflow state'))
content_type = models.ForeignKey(ContentType, related_name='workflow_state_ability_object')#, blank=True, null=True)
object_id = models.PositiveIntegerField()#blank=True, null=True)
content_object = generic.GenericForeignKey(ct_field='content_type', fk_field='object_id')
def __unicode__(self):
return unicode(self.content_object)
class Meta:
verbose_name = _(u'workflow state ability grant')
verbose_name_plural = _(u'workflows states ability grant')
#TODO: WorkflowStateACLEntry
#WorkflowState
#Actor
#Object
#Permission (s)
#TODO: WorkflowStateAlarm
#label
#timedate
#interval
class WorkflowStateTransition(models.Model):
workflow_state_source = models.ForeignKey(WorkflowState, related_name='workflow_state_transition_source', verbose_name=_(u'workflow state source'))
transition = models.ForeignKey(Transition, related_name='workflow_state_transition', verbose_name=_(u'transition'))
workflow_state_destination = models.ForeignKey(WorkflowState, related_name='workflow_state_transition_destination', verbose_name=_(u'workflow state destination'))
description = models.TextField(blank=True, verbose_name=_(u'description'))
def __unicode__(self):
return unicode(self.transition)
class Meta:
verbose_name = _(u'workflow state transition')
verbose_name_plural = _(u'workflows states transitions')
class WorkflowStateTransitionAbility(models.Model):
attribute_comparison_operand = models.CharField(max_length=8, default=OPERAND_AND, choices=OPERAND_CHOICES, verbose_name=_(u'operand'))
negate = models.BooleanField(verbose_name=_(u'negate'), help_text=_(u'Inverts the attribute comparison.'))
ability = models.ForeignKey(Ability, related_name='workflow_state_transition_ability', verbose_name=_(u'ability'))
description = models.TextField(blank=True, verbose_name=_(u'description'))
def __unicode__(self):
return unicode(self.ability)
class Meta:
verbose_name = _(u'transition')
verbose_name_plural = _(u'transitions')
class WorkflowInstance(models.Model):
workflow = models.ForeignKey(Workflow, verbose_name = _(u'workflow'))
content_type = models.ForeignKey(ContentType, verbose_name=_(u'Content type'), related_name='workflow_instance_object')#, blank=True, null=True)
object_id = models.PositiveIntegerField()#blank=True, null=True)
content_object = generic.GenericForeignKey(ct_field='content_type', fk_field='object_id')
workflow_state = models.ForeignKey(WorkflowState, related_name='workflow_instance_state', verbose_name=_(u'state'))
def __unicode__(self):
return unicode(self.content_object)
class Meta:
unique_together = ('content_type', 'object_id', 'workflow')