-
Notifications
You must be signed in to change notification settings - Fork 0
/
workflows.py
51 lines (40 loc) · 1.36 KB
/
workflows.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
import asyncio
from datetime import timedelta
from enum import IntEnum
from typing import Optional
from temporalio import workflow
with workflow.unsafe.imports_passed_through():
from activities import Purchase, do_purchase
class PurchaseStatus(IntEnum):
PENDING = 1
CONFIRMED = 2
CANCELLED = 3
COMPLETED = 4
@workflow.defn
class OneClickBuyWorkflow:
def __init__(self) -> None:
self.status = PurchaseStatus.PENDING
self.purchase: Optional[Purchase] = None
@workflow.run
async def run(self, purchase: Purchase) -> PurchaseStatus:
self.purchase = self.purchase or purchase
try:
await asyncio.sleep(10)
except asyncio.CancelledError:
self.status = PurchaseStatus.CANCELLED
return self.status
self.status = PurchaseStatus.CONFIRMED
await workflow.execute_activity(
do_purchase,
self.purchase,
start_to_close_timeout=timedelta(minutes=1),
cancellation_type=workflow.ActivityCancellationType.WAIT_CANCELLATION_COMPLETED,
)
self.status = PurchaseStatus.COMPLETED
return self.status
@workflow.signal
def update_purchase(self, purchase: Purchase) -> None:
self.purchase = purchase
@workflow.query
def current_status(self) -> PurchaseStatus:
return self.status