coder
236b202e3e
功能: - 数据概览仪表盘 - 用户管理(列表/编辑/删除) - 翻译记录管理 - 缓存管理 - 统计报表(图表) - 操作日志 管理员账号: admin / admin123 后台地址: /admin/
271 lines
9.6 KiB
Python
271 lines
9.6 KiB
Python
"""
|
||
数据库模型定义
|
||
"""
|
||
|
||
from datetime import datetime
|
||
from flask_sqlalchemy import SQLAlchemy
|
||
from werkzeug.security import generate_password_hash, check_password_hash
|
||
import hashlib
|
||
|
||
db = SQLAlchemy()
|
||
|
||
# ==================== 用户模型 ====================
|
||
class User(db.Model):
|
||
"""用户表"""
|
||
__tablename__ = 'users'
|
||
|
||
id = db.Column(db.Integer, primary_key=True)
|
||
username = db.Column(db.String(80), unique=True, nullable=False)
|
||
email = db.Column(db.String(120), unique=True, nullable=False)
|
||
password_hash = db.Column(db.String(256), nullable=False)
|
||
|
||
# 用户类型: guest, free, vip_basic, vip_pro, vip_enterprise, admin
|
||
user_type = db.Column(db.String(20), default='free')
|
||
|
||
# 会员信息
|
||
membership_expire = db.Column(db.DateTime, nullable=True) # 会员到期时间
|
||
|
||
# 使用统计
|
||
daily_count = db.Column(db.Integer, default=0) # 今日翻译次数
|
||
total_count = db.Column(db.Integer, default=0) # 总翻译次数
|
||
last_translate_date = db.Column(db.Date, nullable=True) # 最后翻译日期
|
||
|
||
# 时间戳
|
||
created_at = db.Column(db.DateTime, default=datetime.utcnow)
|
||
updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
|
||
|
||
# 状态
|
||
is_active = db.Column(db.Boolean, default=True) # 是否启用
|
||
is_admin = db.Column(db.Boolean, default=False) # 是否管理员
|
||
|
||
# 关系
|
||
translations = db.relationship('Translation', backref='user', lazy=True)
|
||
|
||
def set_password(self, password):
|
||
self.password_hash = generate_password_hash(password)
|
||
|
||
def check_password(self, password):
|
||
return check_password_hash(self.password_hash, password)
|
||
|
||
def is_vip(self):
|
||
"""检查是否为付费会员"""
|
||
if self.user_type.startswith('vip'):
|
||
if self.membership_expire and self.membership_expire > datetime.utcnow():
|
||
return True
|
||
# 过期则降级为免费用户
|
||
self.user_type = 'free'
|
||
self.membership_expire = None
|
||
db.session.commit()
|
||
return False
|
||
|
||
def can_translate(self, pages, config):
|
||
"""检查是否可以翻译（次数、页数限制）"""
|
||
limits = config['USER_LIMITS'].get(self.user_type, config['USER_LIMITS']['free'])
|
||
|
||
# 检查页数限制
|
||
max_pages = limits['max_pages']
|
||
if max_pages > 0 and pages > max_pages:
|
||
return False, f"PDF页数超出限制（最大{max_pages}页）"
|
||
|
||
# 检查每日次数限制
|
||
today = datetime.utcnow().date()
|
||
if self.last_translate_date != today:
|
||
self.daily_count = 0
|
||
self.last_translate_date = today
|
||
|
||
daily_limit = limits['daily_translations']
|
||
if daily_limit > 0 and self.daily_count >= daily_limit:
|
||
return False, f"今日翻译次数已达上限（{daily_limit}次）"
|
||
|
||
return True, "OK"
|
||
|
||
def increment_count(self):
|
||
"""增加翻译计数"""
|
||
today = datetime.utcnow().date()
|
||
if self.last_translate_date != today:
|
||
self.daily_count = 0
|
||
self.last_translate_date = today
|
||
self.daily_count += 1
|
||
self.total_count += 1
|
||
db.session.commit()
|
||
|
||
def to_dict(self):
|
||
return {
|
||
'id': self.id,
|
||
'username': self.username,
|
||
'email': self.email,
|
||
'user_type': self.user_type,
|
||
'is_vip': self.is_vip(),
|
||
'is_admin': self.is_admin,
|
||
'is_active': self.is_active,
|
||
'daily_count': self.daily_count,
|
||
'total_count': self.total_count,
|
||
'created_at': self.created_at.isoformat() if self.created_at else None,
|
||
'membership_expire': self.membership_expire.isoformat() if self.membership_expire else None,
|
||
}
|
||
|
||
|
||
# ==================== 翻译记录模型 ====================
|
||
class Translation(db.Model):
|
||
"""翻译记录表"""
|
||
__tablename__ = 'translations'
|
||
|
||
id = db.Column(db.Integer, primary_key=True)
|
||
|
||
# 用户关联
|
||
user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=True) # guest可为null
|
||
|
||
# 文件信息
|
||
file_hash = db.Column(db.String(64), nullable=False) # 文件MD5哈希
|
||
original_filename = db.Column(db.String(255), nullable=False)
|
||
file_size = db.Column(db.Integer, nullable=False)
|
||
page_count = db.Column(db.Integer, nullable=False)
|
||
|
||
# 翻译信息
|
||
source_language = db.Column(db.String(10), default='en')
|
||
target_language = db.Column(db.String(10), default='zh')
|
||
translate_params = db.Column(db.Text, nullable=True) # JSON格式的翻译参数
|
||
|
||
# 状态
|
||
status = db.Column(db.String(20), default='pending') # pending, processing, completed, failed
|
||
progress = db.Column(db.Integer, default=0) # 翻译进度 0-100
|
||
error_message = db.Column(db.Text, nullable=True)
|
||
|
||
# 输出
|
||
output_path = db.Column(db.String(255), nullable=True) # 翻译结果文件路径
|
||
|
||
# 时间戳
|
||
created_at = db.Column(db.DateTime, default=datetime.utcnow)
|
||
completed_at = db.Column(db.DateTime, nullable=True)
|
||
|
||
# 是否来自缓存
|
||
from_cache = db.Column(db.Boolean, default=False)
|
||
|
||
# 重译信息
|
||
retranslate_request = db.Column(db.Text, nullable=True) # 重译要求
|
||
parent_id = db.Column(db.Integer, db.ForeignKey('translations.id'), nullable=True) # 原翻译ID
|
||
|
||
def to_dict(self):
|
||
return {
|
||
'id': self.id,
|
||
'filename': self.original_filename,
|
||
'pages': self.page_count,
|
||
'status': self.status,
|
||
'progress': self.progress,
|
||
'from_cache': self.from_cache,
|
||
'file_size': self.file_size,
|
||
'created_at': self.created_at.isoformat() if self.created_at else None,
|
||
'completed_at': self.completed_at.isoformat() if self.completed_at else None,
|
||
'user_id': self.user_id,
|
||
}
|
||
|
||
|
||
# ==================== 翻译缓存模型 ====================
|
||
class TranslationCache(db.Model):
|
||
"""翻译缓存表"""
|
||
__tablename__ = 'translation_cache'
|
||
|
||
id = db.Column(db.Integer, primary_key=True)
|
||
|
||
# 文件哈希
|
||
file_hash = db.Column(db.String(64), unique=True, nullable=False)
|
||
|
||
# 缓存信息
|
||
cache_path = db.Column(db.String(255), nullable=False) # 缓存文件路径
|
||
page_count = db.Column(db.Integer, nullable=False)
|
||
file_size = db.Column(db.Integer, default=0)
|
||
|
||
# 统计
|
||
hit_count = db.Column(db.Integer, default=0) # 缓存命中次数
|
||
|
||
# 时间戳
|
||
created_at = db.Column(db.DateTime, default=datetime.utcnow)
|
||
expires_at = db.Column(db.DateTime, nullable=True)
|
||
|
||
def increment_hit(self):
|
||
self.hit_count += 1
|
||
db.session.commit()
|
||
|
||
@staticmethod
|
||
def compute_hash(file_content):
|
||
"""计算文件哈希"""
|
||
return hashlib.md5(file_content).hexdigest()
|
||
|
||
|
||
# ==================== 访客翻译记录 ====================
|
||
class GuestTranslation(db.Model):
|
||
"""访客翻译记录（基于IP或Session）"""
|
||
__tablename__ = 'guest_translations'
|
||
|
||
id = db.Column(db.Integer, primary_key=True)
|
||
|
||
# 访客标识
|
||
session_id = db.Column(db.String(64), nullable=False) # Session ID
|
||
ip_address = db.Column(db.String(45), nullable=True)
|
||
|
||
# 统计
|
||
daily_count = db.Column(db.Integer, default=0)
|
||
total_count = db.Column(db.Integer, default=0)
|
||
last_translate_date = db.Column(db.Date, nullable=True)
|
||
|
||
created_at = db.Column(db.DateTime, default=datetime.utcnow)
|
||
|
||
|
||
# ==================== 系统配置模型 ====================
|
||
class SystemConfig(db.Model):
|
||
"""系统配置表"""
|
||
__tablename__ = 'system_config'
|
||
|
||
id = db.Column(db.Integer, primary_key=True)
|
||
key = db.Column(db.String(100), unique=True, nullable=False)
|
||
value = db.Column(db.Text, nullable=True)
|
||
description = db.Column(db.String(255), nullable=True)
|
||
updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
|
||
|
||
@staticmethod
|
||
def get(key, default=None):
|
||
config = SystemConfig.query.filter_by(key=key).first()
|
||
return config.value if config else default
|
||
|
||
@staticmethod
|
||
def set(key, value, description=None):
|
||
config = SystemConfig.query.filter_by(key=key).first()
|
||
if config:
|
||
config.value = value
|
||
else:
|
||
config = SystemConfig(key=key, value=value, description=description)
|
||
db.session.add(config)
|
||
db.session.commit()
|
||
|
||
|
||
# ==================== 操作日志模型 ====================
|
||
class OperationLog(db.Model):
|
||
"""操作日志表"""
|
||
__tablename__ = 'operation_logs'
|
||
|
||
id = db.Column(db.Integer, primary_key=True)
|
||
|
||
# 操作者
|
||
user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=True)
|
||
username = db.Column(db.String(80), nullable=True)
|
||
|
||
# 操作信息
|
||
action = db.Column(db.String(50), nullable=False) # login, translate, register, etc.
|
||
target = db.Column(db.String(100), nullable=True) # 操作对象
|
||
detail = db.Column(db.Text, nullable=True) # 详细信息(JSON)
|
||
|
||
# IP地址
|
||
ip_address = db.Column(db.String(45), nullable=True)
|
||
|
||
# 时间
|
||
created_at = db.Column(db.DateTime, default=datetime.utcnow)
|
||
|
||
def to_dict(self):
|
||
return {
|
||
'id': self.id,
|
||
'username': self.username,
|
||
'action': self.action,
|
||
'target': self.target,
|
||
'ip_address': self.ip_address,
|
||
'created_at': self.created_at.isoformat() if self.created_at else None,
|
||
} |