Files
live-hub-py/web/backend/services/account_service.py
T
yml2213 e22436bfd6 fix(账号): 批量导入跳过已存在的重复账号
- 导入前按用户名(大小写不敏感)查库去重,同批文本内重复也跳过
- 返回消息区分格式跳过与重复跳过数量
2026-08-01 13:27:06 +08:00

102 lines
3.3 KiB
Python

"""账号管理服务层:封装账号导入、查询等业务逻辑,隔离 core/ 依赖。"""
import csv
import re
from sqlalchemy.orm import Session
from ..models import Account, LoginTask
EMAIL_PATTERN = re.compile(r'^[^\s@|]+@[^\s@|]+\.[^\s@|]+$')
def split_account_line(line: str) -> list[str]:
"""拆分一行账号文本,支持 |、tab、逗号、空格分隔。"""
if '|' in line:
return line.split('|')
if '\t' in line:
return line.split('\t')
if ',' in line:
return next(csv.reader([line]))
return line.split()
def cookie_account_ids_query(db: Session):
"""返回有成功登录记录(cookie非空)的账号ID子查询。"""
return db.query(LoginTask.account_id).filter(
LoginTask.status == 'success',
LoginTask.cookie != '',
LoginTask.cookie.isnot(None),
).distinct()
def parse_and_build_accounts(
db: Session,
text: str,
default_tag: str = "",
) -> tuple[list[Account], int, int]:
"""
解析批量导入文本,构建 Account ORM 对象列表,并过滤已存在的重复账号。
Args:
db: 数据库会话,用于查询已有账号
text: 批量导入文本,每行格式:用户名|密码|邮箱|邮箱密码|标签(可选)
default_tag: 统一标签兜底。某行未单独写标签时使用该值,
行内第5列标签优先。
Returns:
(accounts, skipped_count, duplicated_count)
skipped_count 为格式非法的行数;duplicated_count 为库中已存在或同批重复被跳过的行数。
"""
from core.douyu.email_verifier import get_email_config_for_account
default_tag = (default_tag or "").strip()
# 库中已有用户名(大小写不敏感),用于导入去重
existing_usernames = {
row[0].lower()
for row in db.query(Account.username).filter(Account.username != "").all()
}
accounts = []
skipped = 0
duplicated = 0
seen_in_batch: set[str] = set()
for line in text.strip().split('\n'):
line = line.strip()
if not line or line.startswith('#'):
continue
parts = split_account_line(line)
if len(parts) < 4:
skipped += 1
continue
username, password, email, email_password = [p.strip() for p in parts[:4]]
line_tag = parts[4].strip() if len(parts) > 4 else ""
# 行内标签优先,未写则用统一兜底标签
tag = line_tag or default_tag
if not all([username, password, email, email_password]):
skipped += 1
continue
if not EMAIL_PATTERN.match(email):
skipped += 1
continue
username_key = username.lower()
if username_key in existing_usernames or username_key in seen_in_batch:
duplicated += 1
continue
seen_in_batch.add(username_key)
email_cfg = get_email_config_for_account(email)
accounts.append(Account(
username=username,
password=password,
email=email,
email_password=email_password,
email_imap_server=email_cfg['server'],
email_imap_port=email_cfg.get('port', 993),
email_imap_ssl=email_cfg.get('ssl', True),
tag=tag,
))
return accounts, skipped, duplicated