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df001db1a9
Black 23 enforces some slightly more specific rules about empty line counts and redundant parenthesis removal, but the result is still compatible with Black 22. (This does not actually upgrade our Python environment to Black 23 yet.) Signed-off-by: Anders Kaseorg <anders@zulip.com>
81 lines
3.0 KiB
Python
81 lines
3.0 KiB
Python
from typing import Callable
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from django.http import HttpRequest, HttpResponse
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from django.shortcuts import render
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from django.views.decorators.csrf import csrf_exempt
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from confirmation.models import Confirmation, ConfirmationKeyError, get_object_from_key
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from zerver.actions.user_settings import do_change_user_setting
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from zerver.context_processors import common_context
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from zerver.lib.send_email import clear_scheduled_emails
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from zerver.models import ScheduledEmail, UserProfile
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def process_unsubscribe(
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request: HttpRequest,
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confirmation_key: str,
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subscription_type: str,
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unsubscribe_function: Callable[[UserProfile], None],
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) -> HttpResponse:
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try:
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user_profile = get_object_from_key(
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confirmation_key, [Confirmation.UNSUBSCRIBE], mark_object_used=False
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)
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except ConfirmationKeyError:
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return render(request, "zerver/unsubscribe_link_error.html")
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assert isinstance(user_profile, UserProfile)
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unsubscribe_function(user_profile)
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context = common_context(user_profile)
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context.update(subscription_type=subscription_type)
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return render(request, "zerver/unsubscribe_success.html", context=context)
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# Email unsubscribe functions. All have the function signature
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# processor(user_profile).
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def do_missedmessage_unsubscribe(user_profile: UserProfile) -> None:
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do_change_user_setting(
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user_profile, "enable_offline_email_notifications", False, acting_user=user_profile
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)
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def do_welcome_unsubscribe(user_profile: UserProfile) -> None:
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clear_scheduled_emails(user_profile.id, ScheduledEmail.WELCOME)
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def do_digest_unsubscribe(user_profile: UserProfile) -> None:
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do_change_user_setting(user_profile, "enable_digest_emails", False, acting_user=user_profile)
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def do_login_unsubscribe(user_profile: UserProfile) -> None:
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do_change_user_setting(user_profile, "enable_login_emails", False, acting_user=user_profile)
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def do_marketing_unsubscribe(user_profile: UserProfile) -> None:
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do_change_user_setting(user_profile, "enable_marketing_emails", False, acting_user=user_profile)
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# The keys are part of the URL for the unsubscribe link and must be valid
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# without encoding.
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# The values are a tuple of (display name, unsubscribe function), where the
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# display name is what we call this class of email in user-visible text.
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email_unsubscribers = {
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"missed_messages": ("missed messages", do_missedmessage_unsubscribe),
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"welcome": ("welcome", do_welcome_unsubscribe),
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"digest": ("digest", do_digest_unsubscribe),
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"login": ("login", do_login_unsubscribe),
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"marketing": ("marketing", do_marketing_unsubscribe),
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}
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# Login NOT required. These are for one-click unsubscribes.
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@csrf_exempt
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def email_unsubscribe(request: HttpRequest, email_type: str, confirmation_key: str) -> HttpResponse:
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if email_type in email_unsubscribers:
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display_name, unsubscribe_function = email_unsubscribers[email_type]
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return process_unsubscribe(request, confirmation_key, display_name, unsubscribe_function)
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return render(request, "zerver/unsubscribe_link_error.html")
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