mirror of https://github.com/zulip/zulip.git
178 lines
7.9 KiB
Python
178 lines
7.9 KiB
Python
# Webhooks for external integrations.
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from __future__ import absolute_import
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from django.utils.translation import ugettext as _
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from zerver.lib.actions import check_send_message
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from zerver.lib.response import json_success, json_error
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from zerver.decorator import REQ, has_request_variables, api_key_only_webhook_view
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from zerver.models import Client, UserProfile
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from django.http import HttpRequest, HttpResponse
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from typing import Dict, Any, Optional, Text
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from datetime import datetime
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import time
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@api_key_only_webhook_view('Stripe')
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@has_request_variables
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def api_stripe_webhook(request, user_profile, client,
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payload=REQ(argument_type='body'), stream=REQ(default='test'),
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topic=REQ(default=None)):
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# type: (HttpRequest, UserProfile, Client, Dict[str, Any], Text, Optional[Text]) -> HttpResponse
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body = None
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event_type = payload["type"]
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try:
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data_object = payload["data"]["object"]
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if event_type.startswith('charge'):
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charge_url = "https://dashboard.stripe.com/payments/{}"
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amount_string = amount(payload["data"]["object"]["amount"], payload["data"]["object"]["currency"])
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if event_type.startswith('charge.dispute'):
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charge_id = data_object["charge"]
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link = charge_url.format(charge_id)
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body_template = "A charge dispute for **{amount}** has been {rest}.\n"\
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"The charge in dispute {verb} **[{charge}]({link})**."
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if event_type == "charge.dispute.closed":
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rest = "closed as **{}**".format(data_object['status'])
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verb = 'was'
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else:
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rest = "created"
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verb = 'is'
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body = body_template.format(amount=amount_string, rest=rest, verb=verb, charge=charge_id, link=link)
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else:
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charge_id = data_object["id"]
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link = charge_url.format(charge_id)
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body_template = "A charge with id **[{charge_id}]({link})** for **{amount}** has {verb}."
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if event_type == "charge.failed":
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verb = "failed"
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else:
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verb = "succeeded"
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body = body_template.format(charge_id=charge_id, link=link, amount=amount_string, verb=verb)
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if topic is None:
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topic = "Charge {}".format(charge_id)
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elif event_type.startswith('customer'):
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object_id = data_object["id"]
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if event_type.startswith('customer.subscription'):
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link = "https://dashboard.stripe.com/subscriptions/{}".format(object_id)
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if event_type == "customer.subscription.created":
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amount_string = amount(data_object["plan"]["amount"], data_object["plan"]["currency"])
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body_template = "A new customer subscription for **{amount}** " \
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"every **{interval}** has been created.\n" \
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"The subscription has id **[{id}]({link})**."
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body = body_template.format(
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amount=amount_string,
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interval=data_object['plan']['interval'],
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id=object_id,
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link=link
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)
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elif event_type == "customer.subscription.deleted":
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body_template = "The customer subscription with id **[{id}]({link})** was deleted."
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body = body_template.format(id=object_id, link=link)
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else: # customer.subscription.trial_will_end
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DAY = 60 * 60 * 24 # seconds in a day
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# days_left should always be three according to
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# https://stripe.com/docs/api/python#event_types, but do the
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# computation just to be safe.
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days_left = int((data_object["trial_end"] - time.time() + DAY//2) // DAY)
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body_template = "The customer subscription trial with id **[{id}]({link})** will end in {days} days."
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body = body_template.format(id=object_id, link=link, days=days_left)
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else:
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link = "https://dashboard.stripe.com/customers/{}".format(object_id)
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body_template = "{beginning} customer with id **[{id}]({link})** {rest}."
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if event_type == "customer.created":
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beginning = "A new"
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if data_object["email"] is None:
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rest = "has been created"
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else:
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rest = "and email **{}** has been created".format(data_object['email'])
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else:
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beginning = "A"
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rest = "has been deleted"
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body = body_template.format(beginning=beginning, id=object_id, link=link, rest=rest)
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if topic is None:
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topic = "Customer {}".format(object_id)
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elif event_type == "invoice.payment_failed":
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object_id = data_object['id']
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link = "https://dashboard.stripe.com/invoices/{}".format(object_id)
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amount_string = amount(data_object["amount_due"], data_object["currency"])
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body_template = "An invoice payment on invoice with id **[{id}]({link})** and "\
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"with **{amount}** due has failed."
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body = body_template.format(id=object_id, amount=amount_string, link=link)
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if topic is None:
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topic = "Invoice {}".format(object_id)
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elif event_type.startswith('order'):
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object_id = data_object['id']
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link = "https://dashboard.stripe.com/orders/{}".format(object_id)
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amount_string = amount(data_object["amount"], data_object["currency"])
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body_template = "{beginning} order with id **[{id}]({link})** for **{amount}** has {end}."
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if event_type == "order.payment_failed":
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beginning = "An order payment on"
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end = "failed"
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elif event_type == "order.payment_succeeded":
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beginning = "An order payment on"
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end = "succeeded"
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else:
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beginning = "The"
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end = "been updated"
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body = body_template.format(beginning=beginning, id=object_id, link=link, amount=amount_string, end=end)
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if topic is None:
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topic = "Order {}".format(object_id)
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elif event_type.startswith('transfer'):
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object_id = data_object['id']
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link = "https://dashboard.stripe.com/transfers/{}".format(object_id)
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amount_string = amount(data_object["amount"], data_object["currency"])
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body_template = "The transfer with description **{description}** and id **[{id}]({link})** " \
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"for amount **{amount}** has {end}."
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if event_type == "transfer.failed":
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end = 'failed'
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else:
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end = "been paid"
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body = body_template.format(
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description=data_object['description'],
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id=object_id,
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link=link,
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amount=amount_string,
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end=end
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)
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if topic is None:
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topic = "Transfer {}".format(object_id)
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except KeyError as e:
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return json_error(_("Missing key {} in JSON".format(str(e))))
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if body is None:
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return json_error(_("We don't support {} event".format(event_type)))
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check_send_message(user_profile, client, 'stream', [stream], topic, body)
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return json_success()
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def amount(amount, currency):
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# type: (int, str) -> str
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# zero-decimal currencies
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zero_decimal_currencies = ["bif", "djf", "jpy", "krw", "pyg", "vnd", "xaf", "xpf", "clp", "gnf", "kmf", "mga", "rwf", "vuv", "xof"]
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if currency in zero_decimal_currencies:
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return str(amount) + currency
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else:
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return '{0:.02f}'.format(float(amount) * 0.01) + currency
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