mirror of
https://github.com/QingdaoU/OnlineJudge.git
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44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
# coding=utf-8
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from functools import wraps
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from django.http import HttpResponse, HttpResponseRedirect
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from django.shortcuts import render
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from utils.shortcuts import error_response, error_page
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from account.models import SUPER_ADMIN
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from .models import Announcement
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def check_user_announcement_permission(func):
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@wraps(func)
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def _check_user_announcement_permission(*args, **kwargs):
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"""
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这个函数检测当前用户能否查看这个公告
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"""
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# CBV 的情况，第一个参数是self，第二个参数是request
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if len(args) == 2:
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request = args[-1]
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else:
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request = args[0]
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if "announcement_id" not in kwargs:
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return error_page(request, u"参数错误")
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announcement_id = kwargs["announcement_id"]
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try:
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announcement = Announcement.objects.get(id=announcement_id, visible=True)
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except Announcement.DoesNotExist:
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return error_page(request, u"公告不存在")
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# 如果公告是只有部分小组可见的
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if not announcement.is_global:
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# 用户必须是登录状态的
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if not request.user.is_authenticated():
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return HttpResponseRedirect("/login/")
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if not announcement.groups.filter(id__in=request.user.group_set.all()).exists():
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return error_page(request, u"公告不存在")
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return func(*args, **kwargs)
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return _check_user_announcement_permission
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