2016013233#71
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chenyijie2016
commented
Nov 16, 2018
| @@ -1,3 +1,7 @@ | |||
| from django.contrib import admin | |||
| from wechat.models import * | |||
chenyijie2016
commented
Nov 16, 2018
| from django.shortcuts import render | ||
| from django.contrib import auth | ||
| from django.utils import timezone | ||
| from codex.baseerror import * |
chenyijie2016
commented
Nov 16, 2018
| # else: | ||
| # raise ValidateError('Please login!') | ||
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| #创建活动 |
chenyijie2016
commented
Nov 16, 2018
| # else: | ||
| # raise ValidateError('Please login!') | ||
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| #删除活动 |
chenyijie2016
commented
Nov 16, 2018
| # else: | ||
| # raise ValidateError('Please login!') | ||
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| #上传图像并保存到服务器 |
chenyijie2016
commented
Nov 16, 2018
| if t.status == Ticket.STATUS_VALID: | ||
| bookedTickets += 1 | ||
| elif t.status == Ticket.STATUS_USED: | ||
| usedTickets += 1 |
Author
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上面几行 可以直接使用QuerySet的count方法
chenyijie2016
commented
Nov 16, 2018
| if activity.remain_tickets == 0: | ||
| return self.reply_text('没有多的票了！请自行尝试劝退抢到票的朋友们~') | ||
| unique_id = uuid.uuid5(uuid.NAMESPACE_DNS,self.user.student_id + activity.name + str(currentTime)) | ||
| Ticket.objects.create(student_id = self.user.student_id, unique_id = unique_id, |
Author
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这里没有考虑并发冲突的情况 并且判断条件为 activity.remain_tickets == 0 如果remain_tickets 被并发的修改为小于0的数，会导致之后可以无限抢票
chenyijie2016
commented
Nov 16, 2018
| activities = Activity.objects.filter(status = Activity.STATUS_PUBLISHED) | ||
| return activities | ||
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| def get_tickets(self): |
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