How to use the river.services.proceeding.ProceedingService.get_available_proceedings function in river

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github javrasya / django-river / river / services / transition.py View on Github external
def process(workflow_object, user, action, next_state=None, god_mod=False):
            proceedings = ProceedingService.get_available_proceedings(workflow_object, [workflow_object.get_state()], user=user, god_mod=god_mod)
            c = proceedings.count()
            if c == 0:
                raise RiverException(ErrorCode.NO_AVAILABLE_NEXT_STATE_FOR_USER, "There is no available state for destination for the user.")
            if c > 1:
                if next_state:
                    proceedings = proceedings.filter(meta__transition__destination_state=next_state)
                    if proceedings.count() == 0:
                        available_states = StateService.get_available_states(workflow_object, user)
                        raise RiverException(ErrorCode.INVALID_NEXT_STATE_FOR_USER, "Invalid state is given(%s). Valid states is(are) %s" % (
                            next_state.__str__(), ','.join([ast.__str__() for ast in available_states])))
                else:
                    raise RiverException(ErrorCode.NEXT_STATE_IS_REQUIRED,
                                         "State must be given when there are multiple states for destination")
            proceeding = proceedings[0]
            proceeding.status = action
            proceeding.transactioner = user
github javrasya / django-river / river / services / object.py View on Github external
def get_objects_waiting_for_approval(content_type, user):
        object_pks = []
        WorkflowObjectClass = content_type.model_class()
        for workflow_object in WorkflowObjectClass.objects.all():
            proceedings = ProceedingService.get_available_proceedings(workflow_object, [workflow_object.get_state()], user=user)
            if proceedings.count():
                object_pks.append(workflow_object.pk)
        return WorkflowObjectClass.objects.filter(pk__in=object_pks)
github javrasya / django-river / river / services / proceeding.py View on Github external
proceedings = Proceeding.objects.filter(
            workflow_object=workflow_object,
            meta__transition__source_state__in=source_states,
            status=PENDING,
            enabled=True
        )

        suitable_proceedings = get_proceeding(proceedings.filter(skip=False))

        if user and not god_mod:
            suitable_proceedings = authorize_proceedings(suitable_proceedings)

        skipped_proceedings = get_proceeding(proceedings.filter(skip=True))
        if skipped_proceedings:
            source_state_pks = list(skipped_proceedings.values_list('meta__transition__destination_state', flat=True))
            suitable_proceedings = suitable_proceedings | ProceedingService.get_available_proceedings(workflow_object,
                                                                                                      State.objects.filter(
                                                                                                          pk__in=source_state_pks),
                                                                                                      user=user,
                                                                                                      destination_state=destination_state,
                                                                                                      god_mod=god_mod)
        return suitable_proceedings
github javrasya / django-river / river / services / transition.py View on Github external
raise RiverException(ErrorCode.NEXT_STATE_IS_REQUIRED,
                                         "State must be given when there are multiple states for destination")
            proceeding = proceedings[0]
            proceeding.status = action
            proceeding.transactioner = user
            proceeding.transaction_date = datetime.now()
            if workflow_object.proceeding:
                proceeding.previous = workflow_object.proceeding
            proceeding.save()

            return proceeding

        proceeding = process(workflow_object, user, APPROVED, next_state, god_mod)

        # Any other proceeding is left?
        required_proceedings = ProceedingService.get_available_proceedings(workflow_object, [workflow_object.get_state()], destination_state=next_state,
                                                                           god_mod=god_mod)

        transition_status = False
        if required_proceedings.count() == 0:
            workflow_object.set_state(proceeding.meta.transition.destination_state)
            transition_status = True

            # Next states should be PENDING back again if there is circle.
            ProceedingService.cycle_proceedings(workflow_object)
            # ProceedingService.get_next_proceedings(workflow_object).update(status=PENDING)

        with ProceedingSignal(workflow_object, proceeding), TransitionSignal(transition_status, workflow_object, proceeding), FinalSignal(workflow_object):
            workflow_object.save()

        LOGGER.debug("Workflow object %s is proceeded for next transition. Transition: %s -> %s" % (
            workflow_object, workflow_object.get_state().label, workflow_object.get_state()))