class ShippingWorkflow(models.Shipment):
checkout = tasks.StartView(fields=["shipping_address", "email"])
ship = tasks.UpdateView(fields=["tracking_code"])
def has_email(self, task):
if self.email:
return [self.send_tracking_code]
def send_tracking_code(self, task):
send_mail(
subject="Your tracking code",
message=self.tracking_code,
from_email=None,
recipient_list=[self.email],
)
def end(self, task):
pass
edges = [
(checkout, ship),
(ship, has_email),
(has_email, send_tracking_code),
(has_email, end),
(send_tracking_code, end),
]
class Meta:
proxy = True
class TestWorkflow(models.TestWorkflowState):
a = tasks.Start()
b = tasks.UpdateView()
c = lambda s, t: s
not_a_node = lambda s, t: s
edges = [
(a, b),
(b, c),
]
class Meta:
proxy = True
class SimpleWorkflow(models.SimpleWorkflowState):
start_view = tasks.StartView(fields="__all__", path="custom/postfix/")
start_method = tasks.Start()
save_the_princess = tasks.UpdateView(fields="__all__")
def end(self):
pass
edges = (
(start_view, save_the_princess),
(start_method, save_the_princess),
(save_the_princess, end),
)
class Meta:
proxy = True
class GatewayWorkflow(models.GatewayWorkflowState):
start = tasks.StartView(fields="__all__")
save_the_princess = tasks.UpdateView()
def is_princess_safe(self):
return [self.happy_end]
happy_end = lambda s, task: s.finish()
bad_end = lambda s, task: s.finish()
edges = (
(start, is_princess_safe),
(is_princess_safe, happy_end),
(is_princess_safe, bad_end),
)
class Meta:
proxy = True