智教助手平台：完整初始化

- 前端：Vue3 + TS + Element Plus，24 个页面路由（课件/组题/教案/动画/思维导图/作文批改/命题/课堂/资源/社区等） - 后端：FastAPI + SQLAlchemy + SQLite，17 个路由模块，AI 服务层含降级模板 - AI：glm-5.x 推理模型已禁用思维链，确保输出真实内容 - 修复：ai_service 两处请求体注入 enable_thinking/thinking disabled - 测试账号：13900999999 / test1234
2026-07-29 16:29:10 +08:00
commit 0841b1a103
193 changed files with 44995 additions and 0 deletions
@@ -0,0 +1,36 @@
+from sqlalchemy import Column, Integer, String, DateTime, Enum as SAEnum, Boolean
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from database import Base
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    phone = Column(String(20), unique=True, index=True, nullable=False)
+    password_hash = Column(String(255), nullable=False)
+    name = Column(String(50), nullable=False)
+    avatar = Column(String(500), default="")
+    subject = Column(String(50), default="")
+    school = Column(String(100), default="")
+    grade = Column(String(50), default="")
+    role = Column(SAEnum("teacher", "admin", name="user_role"), default="teacher")
+    is_active = Column(Boolean, default=True)
+    created_at = Column(DateTime, server_default=func.now())
+    updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())
+
+    coursewares = relationship("Courseware", back_populates="author", lazy="selectin")
+    animations = relationship("Animation", back_populates="author", lazy="selectin")
+    exercises = relationship("Exercise", back_populates="author", lazy="selectin")
+    lesson_plans = relationship("LessonPlan", back_populates="author", lazy="selectin")
+    essay_grades = relationship("EssayGrade", back_populates="author", lazy="selectin", cascade="all, delete-orphan")
+    resources = relationship("Resource", back_populates="author", lazy="selectin")
+    materials = relationship("Material", back_populates="author", lazy="selectin", cascade="all, delete-orphan")
+    resource_favorites = relationship("ResourceFavorite", back_populates="user", lazy="selectin", cascade="all, delete-orphan")
+    posts = relationship("Post", back_populates="author", lazy="selectin")
+    credit_account = relationship("CreditAccount", back_populates="user", uselist=False, lazy="selectin", cascade="all, delete-orphan")
+    credit_transactions = relationship("CreditTransaction", back_populates="user", lazy="selectin", cascade="all, delete-orphan")
+    mind_maps = relationship("MindMap", back_populates="author", lazy="selectin", cascade="all, delete-orphan")
+    notifications = relationship("Notification", back_populates="user", lazy="selectin", cascade="all, delete-orphan")
+    chat_conversations = relationship("ChatConversation", back_populates="author", lazy="selectin", cascade="all, delete-orphan")