mirror of
https://github.com/QingdaoU/OnlineJudge.git
synced 2024-09-21 08:23:20 +00:00
317 lines
12 KiB
Python
317 lines
12 KiB
Python
# coding=utf-8
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from django.shortcuts import render
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from django.db import IntegrityError
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from rest_framework.views import APIView
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from utils.shortcuts import error_response, serializer_invalid_response, success_response, paginate, error_page
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from account.models import REGULAR_USER, ADMIN, SUPER_ADMIN
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from account.decorators import login_required
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from .models import Group, JoinGroupRequest, UserGroupRelation
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from .serializers import (CreateGroupSerializer, EditGroupSerializer,
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CreateJoinGroupRequestSerializer, GroupSerializer,
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GroupMemberSerializer, EditGroupMemberSerializer,
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JoinGroupRequestSerializer, PutJoinGroupRequestSerializer)
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from announcement.models import Announcement
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from django.core.paginator import Paginator
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from django.db.models import Q
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class GroupAPIViewBase(object):
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def get_group(self, request, group_id):
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"""
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根据group_id查询指定的小组的信息,结合判断用户权限
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管理员可以查询所有的小组,其他用户查询自己创建的自傲组
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"""
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if request.user.admin_type == SUPER_ADMIN:
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group = Group.objects.get(id=group_id, visible=True)
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else:
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group = Group.objects.get(id=group_id, visible=True, admin=request.user)
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return group
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def get_groups(self, request):
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"""
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如果是超级管理员,就返回全部的小组
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如果是管理员,就返回他创建的全部小组
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"""
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if request.user.admin_type == SUPER_ADMIN:
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groups = Group.objects.filter(visible=True)
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else:
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groups = Group.objects.filter(admin=request.user, visible=True)
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return groups
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class GroupAdminAPIView(APIView, GroupAPIViewBase):
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def post(self, request):
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"""
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创建小组的api
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---
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request_serializer: CreateGroupSerializer
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response_serializer: GroupSerializer
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"""
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serializer = CreateGroupSerializer(data=request.data)
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if serializer.is_valid():
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data = serializer.data
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try:
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group = Group.objects.create(name=data["name"],
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description=data["description"],
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join_group_setting=data["join_group_setting"],
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admin=request.user)
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except IntegrityError:
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return error_response(u"小组名已经存在")
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return success_response(GroupSerializer(group).data)
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else:
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return serializer_invalid_response(serializer)
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def put(self, request):
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"""
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修改小组信息的api
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---
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request_serializer: EditGroupSerializer
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response_serializer: GroupSerializer
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"""
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serializer = EditGroupSerializer(data=request.data)
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if serializer.is_valid():
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data = serializer.data
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try:
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group = self.get_group(request, data["group_id"])
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except Group.DoesNotExist:
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return error_response(u"小组不存在")
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try:
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group.name = data["name"]
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group.description = data["description"]
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group.join_group_setting = data["join_group_setting"]
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group.save()
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except IntegrityError:
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return error_response(u"小组名已经存在")
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return success_response(GroupSerializer(group).data)
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else:
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return serializer_invalid_response(serializer)
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def get(self, request):
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"""
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查询小组列表或者单个小组的信息,查询单个小组需要传递group_id参数,否则返回全部
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---
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response_serializer: GroupSerializer
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"""
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group_id = request.GET.get("group_id", None)
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# 根据 id 查询小组信息
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if group_id:
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try:
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group = self.get_group(request, group_id)
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return success_response(GroupSerializer(group).data)
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except Group.DoesNotExist:
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return error_response(u"小组不存在")
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else:
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groups = self.get_groups(request)
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# 搜索小组
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if request.GET.get("keyword", None):
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groups = groups.filter(name__contains=request.GET["keyword"])
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# 只返回我创建的小组 适用于超级管理员
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if request.GET.get("my_group", None):
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groups = groups.filter(admin=request.user)
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# 只返回指定用户的小组 适用于管理员
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elif request.GET.get("admin_id", None):
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groups = groups.filter(admin__id=request.GET["admin_id"])
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return paginate(request, groups, GroupSerializer)
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class GroupMemberAdminAPIView(APIView, GroupAPIViewBase):
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def get(self, request):
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"""
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查询小组成员的api,需要传递group_id参数
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---
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response_serializer: GroupMemberSerializer
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"""
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group_id = request.GET.get("group_id", None)
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if not group_id:
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return error_response(u"参数错误")
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try:
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group = self.get_group(request, group_id)
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except Group.DoesNotExist:
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return error_response(u"小组不存在")
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return paginate(request, UserGroupRelation.objects.filter(group=group), GroupMemberSerializer)
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def put(self, request):
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"""
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删除小组成员的api接口
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---
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request_serializer: EditGroupMemberSerializer
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"""
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serializer = EditGroupMemberSerializer(data=request.data)
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if serializer.is_valid():
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try:
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group = self.get_group(request, serializer.data["group_id"])
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except Group.DoesNotExist:
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return error_response(u"小组不存在")
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user_id_list = serializer.data["members"]
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UserGroupRelation.objects.filter(group=group, user__id__in=user_id_list).delete()
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return success_response(u"删除成功")
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else:
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return serializer_invalid_response(serializer)
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def join_group(user, group):
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try:
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UserGroupRelation.objects.create(user=user, group=group)
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return True
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except IntegrityError:
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return False
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class JoinGroupAPIView(APIView):
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# @login_required
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def post(self, request):
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"""
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加入某个小组的api
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---
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request_serializer: CreateJoinGroupRequestSerializer
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"""
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serializer = CreateJoinGroupRequestSerializer(data=request.data)
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if serializer.is_valid():
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data = serializer.data
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try:
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group = Group.objects.get(id=data["group_id"])
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except Group.DoesNotExist:
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return error_response(u"小组不存在")
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if group.join_group_setting == 0:
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if join_group(request.user, group):
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return success_response(u"你已经成功的加入该小组")
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else:
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return error_response(u"你已经是小组成员了")
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elif group.join_group_setting == 1:
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if not data["message"]:
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return error_response(u"message : 该字段是必填项。")
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try:
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JoinGroupRequest.objects.get(user=request.user, group=group, status=False)
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return error_response(u"你已经提交过申请了,请等待审核")
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except JoinGroupRequest.DoesNotExist:
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JoinGroupRequest.objects.create(user=request.user, group=group, message=data["message"])
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return success_response(u"申请提交成功,请等待审核")
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elif group.join_group_setting == 2:
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return error_response(u"该小组不允许任何人加入")
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else:
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return serializer_invalid_response(serializer)
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def get(self, request):
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"""
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搜索小组的api,需要传递keyword参数
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---
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response_serializer: GroupSerializer
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"""
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keyword = request.GET.get("keyword", None)
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if not keyword:
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return error_response(u"参数错误")
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# 搜索包含这个关键词的 没有解散的 而且允许加入的小组
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groups = Group.objects.filter(name__contains=keyword, visible=True, join_group_setting__lte=2)
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return paginate(request, groups, GroupSerializer)
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class JoinGroupRequestAdminAPIView(APIView, GroupAPIViewBase):
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def get(self, request):
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"""
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返回管理的群的加群请求
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---
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response_serializer: JoinGroupRequestSerializer
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"""
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requests = JoinGroupRequest.objects.filter(group=Group.objects.filter(admin=request.user, visible=True),
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status=False)
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return paginate(request, requests, JoinGroupRequestSerializer)
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def put(self, request):
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"""
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同意或者拒绝加入小组请求
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---
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request_serializer: PutJoinGroupRequestSerializer
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"""
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serializer = PutJoinGroupRequestSerializer(data=request.data)
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if serializer.is_valid():
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data = serializer.data
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try:
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join_request = JoinGroupRequest.objects.get(id=data["request_id"], group__admin=request.user,
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status=False)
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except JoinGroupRequest.DoesNotExist:
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return error_response(u"请求不存在")
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join_request.status = True
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join_request.save()
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if data["status"]:
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if join_group(join_request.user, join_request.group):
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join_request.accepted = True
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join_request.save()
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return success_response(u"加入成功")
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else:
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return error_response(u"加入失败,已经在本小组内")
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else:
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return success_response(u"已拒绝")
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else:
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return serializer_invalid_response(serializer)
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@login_required
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def group_list_page(request, page=1):
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groups = Group.objects.filter(visible=True, join_group_setting__lte=2)
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# 搜索的情况
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keyword = request.GET.get("keyword", None)
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if keyword:
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groups = groups.filter(Q(name__contains=keyword) | Q(description__contains=keyword))
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paginator = Paginator(groups, 20)
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try:
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current_page = paginator.page(int(page))
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except Exception:
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return error_page(request, u"不存在的页码")
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previous_page = next_page = None
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try:
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previous_page = current_page.previous_page_number()
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except Exception:
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pass
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next_page = None
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try:
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next_page = current_page.next_page_number()
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except Exception:
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pass
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return render(request, "oj/group/group_list.html", {
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"groups": groups,
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"contests": current_page, "page": int(page),
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"previous_page": previous_page, "next_page": next_page,
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"keyword": keyword
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})
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@login_required
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def group_page(request, group_id):
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try:
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group = Group.objects.get(id=group_id, visible=True)
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except Group.DoesNotExist:
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return error_page(request, u"小组不存在")
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return render(request, "oj/group/group.html", {"group": group})
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@login_required
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def application_list_page(request, group_id):
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try:
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group = Group.objects.get(id=group_id, visible=True)
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except Group.DoesNotExist:
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return error_page(request, u"小组不存在")
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applications = JoinGroupRequest.objects.filter(user=request.user, group=group)
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return render(request, "oj/group/my_application_list.html",
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{"group": group, "applications": applications})
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@login_required
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def application_page(request, request_id):
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try:
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application = JoinGroupRequest.objects.get(user=request.user, pk=request_id)
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except JoinGroupRequest.DoesNotExist:
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return error_page(request, u"申请不存在")
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return render(request, "oj/group/my_application.html",
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{"application": application})
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