基于django的作业管理系统.zip

from rest_framework.views import APIView from rest_framework.response import Response from .serializers import HomeWorkUpSerializer, HomeWorkInfSerializer, HomeWorkSerializer, HomeWorkCreateSerializer, \ DoneListSerializer from common.common import get_first_error from .models import HomeWorkInfModel, HomeWorkMembersModel from datetime import datetime from rest_framework.authentication import SessionAuthentication, BasicAuthentication from django.http import QueryDict, FileResponse import os from group.models import GroupModel, GroupMembersModel import pytz class CsrfExemptSessionAuthentication(SessionAuthentication): def enforce_csrf(self, request): return class HomeWorkView(APIView): authentication_classes = (CsrfExemptSessionAuthentication, BasicAuthentication) def post(self, request): context = dict() user = request.user if user.is_anonymous: context['err_code'] = 1001 context['error'] = "您还未登录" return Response(context) data = HomeWorkUpSerializer(data=request.POST) if not data.is_valid(): # 验证有效性 errors = data.errors key, value = get_first_error(errors) context['error'] = key + ' ' + value[0] context['err_code'] = 2002 return Response(context) else: context['err_code'] = 0 data = data.data end_time = data['end_time'] groups = request.POST.get('groups') if groups is None or len(groups) == 0: context['error'] = "至少选择一个小组" context['err_code'] = 2002 return Response(context) groups = str(groups) groups = groups.split(',') groups_int = list() try: for group in groups: group = int(group) groups_int.append(group) except: context['error'] = "小组id只能为int" context['err_code'] = 2002 return Response(context) for group_id in groups_int: group = GroupModel.objects.filter(id=group_id) if not group.exists(): context['error'] = "添加了无效的小组" context['err_code'] = 4004 return Response(context) group = group.first() if user == group.owner: continue if not GroupMembersModel.objects.filter(user=user, group__id=group_id).exists(): context['error'] = "添加了无效的小组" context['err_code'] = 4004 return Response(context) if not group.member_can_use: context['error'] = "添加了无效的小组" context['err_code'] = 4004 return Response(context) homework = HomeWorkInfModel.objects.create(name=data['name'], type=data['type'], subject=data['subject'], remark=data.get('remark') if data.get('remark') else '', owner=user, member_can_know_donelist=True if data[ 'member_can_know_donelist'] == 'true' else False, member_can_see_others=True if data[ 'member_can_see_others'] == 'true' else False, can_submit_after_end=True if data[ 'can_submit_after_end'] == 'true' else False, end_time=datetime(year=int(end_time[0:4]), month=int(end_time[5:7]), day=int(end_time[8:10]), hour=int(end_time[11:13]), minute=int(end_time[14:16]) ), ) for group_id in groups_int: homework.groups.add(group_id) context['data'] = dict() context['data']['id'] = homework.id return Response(context) def get(self, request): context = dict() user = request.user if user.is_anonymous: context['err_code'] = 1001 context['error'] = "您还未登录" return Response(context) id = request.GET.get('id') if id is None: # 验证有效性 context['error'] = "没有请求的作业id" context['err_code'] = 2002 return Response(context) else: try: id = int(id) except: context['err_code'] = 2002 context['error'] = "参数格式不正确" return Response(context) querys = HomeWorkInfModel.objects.filter(id=id) if not querys.exists(): # 请求数据不存在 context['err_code'] = 4004 context['error'] = "无法找到您要的数据" return Response(context) query = querys.first() is_member = HomeWorkMembersModel.objects.filter(owner=user, work__id=id).exists() is_owner = (user == query.owner) if not is_member and not is_owner: context['err_code'] = 4003 context['error'] = "您无权查看此内容" return Response(context) context['err_code'] = 0 context['data'] = HomeWorkInfSerializer(query).data if is_owner: context['data'].update({'is_creater': True}) else: context['data'].update({'is_creater': False}) return Response(context) def put(self, request): context = dict() user = request.user if user.is_anonymous: context['err_code'] = 1001 context['error'] = "您还未登录" return Response(context) put_data = QueryDict(request.body) data = HomeWorkUpSerializer(data=put_data) if not data.is_valid(): # 验证有效性 errors = data.errors key, value = get_first_error(errors) context['error'] = key + ' ' + value[0] context['err_code'] = 2002 return Response(context) else: context['err_code'] = 0 data = data.data end_time = data['end_time'] id = put_data.get('id') if id is None: context['error'] = "没有请求的作业id" context['err_code'] = 2002 return Response(context) try: id = int(id) except: context['err_code'] = 2002 context['error'] = "参数格式不正确" return Response(context) querys = HomeWorkInfModel.objects.filter(id=id) if not querys.exists(): # 请求数据不存在 context['err_code'] = 4004 context['error'] = "无法找到您要的数据" return Response(context) query = querys.first() if user != query.owner: