haldis/app/notification.py

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"Script that handles Haldis notifications on chat platforms"
import json
import typing
from datetime import datetime
from threading import Thread
import requests
from flask import current_app as app
from flask import url_for
from models.order import Order
def webhook_text(order: Order) -> typing.Optional[str]:
"Function that makes the text for the notification"
if order.location_id == "test":
return None
if order.courier is not None:
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# pylint: disable=C0301, C0209
return "<!channel|@channel> {3} is going to {1}, order <{0}|here>! Deadline in {2} minutes!".format(
url_for("order_bp.order_from_id", order_id=order.id, _external=True),
order.location_name,
remaining_minutes(order.stoptime),
order.courier.username.title(),
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)
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# pylint: disable=C0209
return "<!channel|@channel> New order for {}. Deadline in {} minutes. <{}|Open here.>".format(
order.location_name,
remaining_minutes(order.stoptime),
url_for("order_bp.order_from_id", order_id=order.id, _external=True),
)
def post_order_to_webhook(order: Order) -> None:
"Function that sends the notification for the order"
message = webhook_text(order)
if message:
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webhookthread = WebhookSenderThread(message, app.config["SLACK_WEBHOOK"])
webhookthread.start()
class WebhookSenderThread(Thread):
"Extension of the Thread class, which sends a webhook for the notification"
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def __init__(self, message: str, url: str) -> None:
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super().__init__()
self.message = message
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self.url = url
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def run(self) -> None:
self.slack_webhook()
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def slack_webhook(self) -> None:
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"The webhook for the specified chat platform"
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if self.url:
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requests.post(self.url, json={"text": self.message})
else:
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print(self.message)
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def remaining_minutes(value) -> str:
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"Return the remaining minutes until the deadline of and order"
delta = value - datetime.now()
if delta.total_seconds() < 0:
return "0"
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minutes = delta.total_seconds() // 60
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return f"{minutes:02}"