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55 lines
2.5 KiB
Python
55 lines
2.5 KiB
Python
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from django.conf import settings
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from django.http import HttpRequest, HttpResponse
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from django.shortcuts import render
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from typing import Callable
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from confirmation.models import Confirmation, get_object_from_key, \
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render_confirmation_key_error, ConfirmationKeyException
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from zerver.lib.actions import do_change_notification_settings, clear_scheduled_emails
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from zerver.models import UserProfile, ScheduledEmail
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from zerver.context_processors import common_context
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def process_unsubscribe(request: HttpRequest, confirmation_key: str, subscription_type: str,
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unsubscribe_function: Callable[[UserProfile], None]) -> HttpResponse:
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try:
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user_profile = get_object_from_key(confirmation_key, Confirmation.UNSUBSCRIBE)
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except ConfirmationKeyException as exception:
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return render(request, 'zerver/unsubscribe_link_error.html')
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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_notification_settings(user_profile, 'enable_offline_email_notifications', False)
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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_notification_settings(user_profile, 'enable_digest_emails', False)
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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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}
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# Login NOT required. These are for one-click unsubscribes.
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def email_unsubscribe(request: HttpRequest, email_type: str,
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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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