mirror of https://github.com/zulip/zulip.git
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
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from __future__ import absolute_import
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from django.core.exceptions import ValidationError
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from django.http import HttpRequest, HttpResponse
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from django.utils.translation import ugettext as _
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from six import text_type
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from zerver.decorator import to_non_negative_int
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from zerver.lib.actions import do_update_pointer
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from zerver.lib.request import has_request_variables, JsonableError, REQ
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from zerver.lib.response import json_success
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from zerver.lib.utils import statsd, generate_random_token
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from zerver.models import UserProfile, Message, UserMessage
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def get_pointer_backend(request, user_profile):
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# type: (HttpRequest, UserProfile) -> HttpResponse
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return json_success({'pointer': user_profile.pointer})
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@has_request_variables
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def update_pointer_backend(request, user_profile,
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pointer=REQ(converter=to_non_negative_int)):
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# type: (HttpRequest, UserProfile, int) -> HttpResponse
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if pointer <= user_profile.pointer:
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return json_success()
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try:
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UserMessage.objects.get(
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user_profile=user_profile,
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message__id=pointer
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)
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except UserMessage.DoesNotExist:
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raise JsonableError(_("Invalid message ID"))
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request._log_data["extra"] = "[%s]" % (pointer,)
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update_flags = (request.client.name.lower() in ['android', "zulipandroid"])
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do_update_pointer(user_profile, pointer, update_flags=update_flags)
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return json_success()
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def generate_client_id():
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# type: () -> text_type
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return generate_random_token(32)
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def get_profile_backend(request, user_profile):
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# type: (HttpRequest, UserProfile) -> HttpResponse
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result = dict(pointer = user_profile.pointer,
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client_id = generate_client_id(),
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max_message_id = -1)
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messages = Message.objects.filter(usermessage__user_profile=user_profile).order_by('-id')[:1]
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if messages:
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result['max_message_id'] = messages[0].id
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return json_success(result)
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