def sign_up(user, **kwargs):
selected = kwargs.get('class', False)
if not selected:
print("班级参数异常")
return False
student = LuffyStudent.fetch_one(user.sn)
course = LuffyCourse.fetch_one(selected.course_sn)
if float(student.get_balance()) < float(course.price):
print('余额不足')
return False
# 更新学生余额及消费记录信息
student.add_balance(-1 * float(course.price))
student.add_transaction(
'%s 报名课程：%s 价格：%s' % (utils.calculate_date(time_format=True), course.title, str(course.price)))
student.save()
# 更新班级学生列表
selected.add_student(student.sn)
selected.save()
# 更新班级讲师的学生列表
teacher = LuffyTeacher.fetch_one(selected.teacher_sn)
teacher.add_student(student.sn)
teacher.save()
return {'status': 0, 'logger': kwargs.get('logger'),
'msg': "报名课程：%s 价格：%s" % (course.title, str(course.price))}
def add_user(**kwargs):
"""
添加用户
:param kwargs:
:return:
"""
username = input("请输入用户名，（b,返回）:>>").strip()
if username.lower() == 'b':
return False
password = input("请输入用户密码:>>").strip()
credit = input("请输入用户额度:>>").strip()
if check_exists(settings.USER_TABLE,
**{'where': [{
'field': 'username',
'value': username
}]}):
print("用户已存在")
return False
if not credit.isdigit() and not utils.is_float_num(credit):
print("请输入数字字符")
return False
entry = settings.DATABASE['tables'][settings.USER_TABLE]['structure']
entry.update({
'id':
get_increment_id(settings.USER_TABLE),
'username':
username,
'password':
utils.hash_md5(password),
'credit':
float(credit),
'balance':
float(credit),
'enroll_date':
utils.calculate_date(),
'expire_date':
utils.calculate_date(years=settings.USER_EFFECTIVE_YEARS),
})
ret = db_handler.data_api('add', settings.USER_TABLE, **{'fields': entry})
if ret:
return {
'status': ret,
'logger': kwargs.get('logger'),
'msg': "管理员添加用户 %s" % username
}
return False
def add_duty(user, **kwargs):
"""
给学生打分
:param user:
:param kwargs:
:return:
"""
selected = kwargs.get('class', False)
if not selected:
print("班级参数异常")
return False
selected.add_duty("%s 讲师 %s 在班级 %s 上课" %
(utils.calculate_date(time_format=True),
user.username, selected.title))
selected.save()
user.add_duty("%s 在班级 %s 上课" %
(utils.calculate_date(time_format=True), selected.title))
user.save()
return {
'status': 0,
'logger': kwargs.get('logger'),
'msg': "讲师 %s 添加上课记录：在班级%s上课" % (user.username, selected.title)
}
def recharge(user, **kwargs):
"""
创建班级
:param user:
:param kwargs:
:return:
"""
amount = input("请输入充值金额，（b,返回）：>>").strip()
if amount.lower() == 'b':
return False
if not amount.isdigit() and not utils.is_float_num(amount):
print("请输入数字字符")
return False
entry = LuffyStudent.fetch_one(user.sn)
entry.add_balance(float(amount))
entry.add_transaction('%s 充值：%s' % (utils.calculate_date(time_format=True), amount))
entry.save()
return {'status': 0, 'logger': kwargs.get('logger'), 'msg': "学生 %s 成功充值 %s " % (entry.username, amount)}
def add_cart(user, product):
"""
添加商品到用户购物车
:param user:
:param product:
:return:
"""
user['cart'].append({
'product_id': product['id'],
'title': product['title'],
'amount': product['price'],
'number': 1,
'created_at': utils.calculate_date(time_format=True)
})
return db_handler.data_api(
'update', settings.USER_TABLE, **{
'set': {
'cart': user['cart']
},
'where': [{
'field': 'id',
'value': user['id']
}]
})