update:1.更新根据分析建议重新生成章节内容

backend/app/models/__init__.py

@@ -12,6 +12,8 @@ from app.models.memory import StoryMemory, PlotAnalysis
 from app.models.writing_style import WritingStyle
 from app.models.project_default_style import ProjectDefaultStyle
 from app.models.mcp_plugin import MCPPlugin
+from app.models.user import User, UserPassword
+from app.models.regeneration_task import RegenerationTask
 
 __all__ = [
     "Project",
@@ -30,5 +32,8 @@ __all__ = [
     "PlotAnalysis",
     "WritingStyle",
     "ProjectDefaultStyle",
-    "MCPPlugin"
+    "MCPPlugin",
+    "User",
+    "UserPassword",
+    "RegenerationTask"
 ]

backend/app/models/regeneration_task.py

@@ -0,0 +1,51 @@
+"""章节重新生成任务模型"""
+from sqlalchemy import Column, String, Text, Integer, DateTime, ForeignKey, JSON, Boolean
+from sqlalchemy.sql import func
+from app.database import Base
+import uuid
+
+
+class RegenerationTask(Base):
+    """章节重新生成任务表"""
+    __tablename__ = "regeneration_tasks"
+    
+    # 基本信息
+    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    chapter_id = Column(String(36), ForeignKey('chapters.id', ondelete='CASCADE'), nullable=False, index=True)
+    analysis_id = Column(String(36), nullable=True, comment="关联的分析结果ID")
+    user_id = Column(String(50), nullable=False, index=True)
+    project_id = Column(String(36), nullable=False, index=True)
+    
+    # 修改指令
+    modification_instructions = Column(Text, nullable=False, comment="综合修改指令")
+    original_suggestions = Column(JSON, comment="来自分析的原始建议列表")
+    selected_suggestion_indices = Column(JSON, comment="用户选择的建议索引")
+    custom_instructions = Column(Text, comment="用户自定义修改意见")
+    
+    # 生成参数
+    style_id = Column(Integer, nullable=True, comment="写作风格ID")
+    target_word_count = Column(Integer, default=3000, comment="目标字数")
+    focus_areas = Column(JSON, comment="重点优化方向")
+    preserve_elements = Column(JSON, comment="需要保留的元素配置")
+    
+    # 状态跟踪
+    status = Column(String(20), default='pending', comment="pending/running/completed/failed")
+    progress = Column(Integer, default=0, comment="进度 0-100")
+    error_message = Column(Text, nullable=True)
+    
+    # 内容版本
+    original_content = Column(Text, comment="原始章节内容快照")
+    original_word_count = Column(Integer, comment="原始字数")
+    regenerated_content = Column(Text, comment="重新生成的内容")
+    regenerated_word_count = Column(Integer, comment="新内容字数")
+    version_number = Column(Integer, default=1, comment="版本号")
+    version_note = Column(String(500), comment="版本说明")
+    
+    # 时间戳
+    created_at = Column(DateTime, server_default=func.now())
+    started_at = Column(DateTime, nullable=True)
+    completed_at = Column(DateTime, nullable=True)
+    
+    def __repr__(self):
+        return f"<RegenerationTask(id={self.id[:8]}..., chapter_id={self.chapter_id[:8]}..., status={self.status})>"
+

backend/app/models/user.py

@@ -0,0 +1,47 @@
+"""
+用户数据模型 - 存储用户基本信息
+"""
+from sqlalchemy import Column, String, Integer, Boolean, DateTime
+from sqlalchemy.sql import func
+from app.database import Base
+
+
+class User(Base):
+    """用户模型 - 存储OAuth和本地用户信息"""
+    __tablename__ = "users"
+    
+    user_id = Column(String(100), primary_key=True, index=True, comment="用户ID，格式：linuxdo_{id} 或 local_{id}")
+    username = Column(String(100), nullable=False, index=True, comment="用户名")
+    display_name = Column(String(200), nullable=False, comment="显示名称")
+    avatar_url = Column(String(500), nullable=True, comment="头像URL")
+    trust_level = Column(Integer, default=0, comment="信任等级（仅用于显示）")
+    is_admin = Column(Boolean, default=False, comment="是否为管理员")
+    linuxdo_id = Column(String(100), nullable=False, unique=True, index=True, comment="LinuxDO用户ID或本地用户ID")
+    created_at = Column(DateTime(timezone=True), server_default=func.now(), comment="创建时间")
+    last_login = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), comment="最后登录时间")
+    
+    def to_dict(self):
+        """转换为字典"""
+        return {
+            "user_id": self.user_id,
+            "username": self.username,
+            "display_name": self.display_name,
+            "avatar_url": self.avatar_url,
+            "trust_level": self.trust_level,
+            "is_admin": self.is_admin,
+            "linuxdo_id": self.linuxdo_id,
+            "created_at": self.created_at.isoformat() if self.created_at else None,
+            "last_login": self.last_login.isoformat() if self.last_login else None,
+        }
+
+
+class UserPassword(Base):
+    """用户密码模型 - 存储用户密码信息"""
+    __tablename__ = "user_passwords"
+    
+    user_id = Column(String(100), primary_key=True, index=True, comment="用户ID")
+    username = Column(String(100), nullable=False, comment="用户名")
+    password_hash = Column(String(64), nullable=False, comment="密码哈希（SHA256）")
+    has_custom_password = Column(Boolean, default=False, comment="是否为自定义密码")
+    created_at = Column(DateTime(timezone=True), server_default=func.now(), comment="创建时间")
+    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), comment="更新时间")