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