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78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
import hashlib
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from typing import Dict
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from django.conf import settings
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from django.db import models
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from typing_extensions import override
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from zerver.lib import cache
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from zerver.lib.cache import cache_with_key
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class Client(models.Model):
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MAX_NAME_LENGTH = 30
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name = models.CharField(max_length=MAX_NAME_LENGTH, db_index=True, unique=True)
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@override
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def __str__(self) -> str:
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return self.name
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def default_read_by_sender(self) -> bool:
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"""Used to determine whether a message was sent by a full Zulip UI
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style client (and thus whether the message should be treated
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as sent by a human and automatically marked as read for the
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sender). The purpose of this distinction is to ensure that
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message sent to the user by e.g. a Google Calendar integration
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using the user's own API key don't get marked as read
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automatically.
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"""
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sending_client = self.name.lower()
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return (
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sending_client
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in (
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"zulipandroid",
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"zulipios",
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"zulipdesktop",
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"zulipmobile",
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"zulipelectron",
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"zulipterminal",
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"snipe",
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"website",
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"ios",
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"android",
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)
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or "desktop app" in sending_client
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# Since the vast majority of messages are sent by humans
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# in Zulip, treat test suite messages as such.
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or (sending_client == "test suite" and settings.TEST_SUITE)
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)
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get_client_cache: Dict[str, Client] = {}
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def clear_client_cache() -> None: # nocoverage
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global get_client_cache
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get_client_cache = {}
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def get_client(name: str) -> Client:
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# Accessing KEY_PREFIX through the module is necessary
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# because we need the updated value of the variable.
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cache_name = cache.KEY_PREFIX + name[0 : Client.MAX_NAME_LENGTH]
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if cache_name not in get_client_cache:
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result = get_client_remote_cache(name)
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get_client_cache[cache_name] = result
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return get_client_cache[cache_name]
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def get_client_cache_key(name: str) -> str:
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return f"get_client:{hashlib.sha1(name.encode()).hexdigest()}"
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@cache_with_key(get_client_cache_key, timeout=3600 * 24 * 7)
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def get_client_remote_cache(name: str) -> Client:
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(client, _) = Client.objects.get_or_create(name=name[0 : Client.MAX_NAME_LENGTH])
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return client
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