refactor: 后端从Node.js重写为Python FastAPI

server/app/models/__init__.py

@@ -0,0 +1,2 @@
+from app.models.story import Story, StoryNode, StoryChoice
+from app.models.user import User, UserProgress, UserEnding

server/app/models/story.py

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+"""
+故事相关ORM模型
+"""
+from sqlalchemy import Column, Integer, String, Text, Boolean, TIMESTAMP, ForeignKey
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from app.database import Base
+
+
+class Story(Base):
+    """故事主表"""
+    __tablename__ = "stories"
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    title = Column(String(100), nullable=False)
+    cover_url = Column(String(255), default="")
+    description = Column(Text)
+    author_id = Column(Integer, default=0)
+    category = Column(String(50), nullable=False)
+    play_count = Column(Integer, default=0)
+    like_count = Column(Integer, default=0)
+    is_featured = Column(Boolean, default=False)
+    status = Column(Integer, default=1)
+    created_at = Column(TIMESTAMP, server_default=func.now())
+    updated_at = Column(TIMESTAMP, server_default=func.now(), onupdate=func.now())
+    
+    nodes = relationship("StoryNode", back_populates="story", cascade="all, delete-orphan")
+
+
+class StoryNode(Base):
+    """故事节点表"""
+    __tablename__ = "story_nodes"
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    story_id = Column(Integer, ForeignKey("stories.id", ondelete="CASCADE"), nullable=False)
+    node_key = Column(String(50), nullable=False)
+    content = Column(Text, nullable=False)
+    speaker = Column(String(50), default="")
+    background_image = Column(String(255), default="")
+    character_image = Column(String(255), default="")
+    bgm = Column(String(255), default="")
+    is_ending = Column(Boolean, default=False)
+    ending_name = Column(String(100), default="")
+    ending_score = Column(Integer, default=0)
+    ending_type = Column(String(20), default="")
+    sort_order = Column(Integer, default=0)
+    created_at = Column(TIMESTAMP, server_default=func.now())
+    
+    story = relationship("Story", back_populates="nodes")
+    choices = relationship("StoryChoice", back_populates="node", cascade="all, delete-orphan")
+
+
+class StoryChoice(Base):
+    """故事选项表"""
+    __tablename__ = "story_choices"
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    node_id = Column(Integer, ForeignKey("story_nodes.id", ondelete="CASCADE"), nullable=False)
+    story_id = Column(Integer, nullable=False)
+    text = Column(String(200), nullable=False)
+    next_node_key = Column(String(50), nullable=False)
+    sort_order = Column(Integer, default=0)
+    is_locked = Column(Boolean, default=False)
+    created_at = Column(TIMESTAMP, server_default=func.now())
+    
+    node = relationship("StoryNode", back_populates="choices")

server/app/models/user.py

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+"""
+用户相关ORM模型
+"""
+from sqlalchemy import Column, Integer, String, Boolean, TIMESTAMP, ForeignKey, UniqueConstraint
+from sqlalchemy.sql import func
+from app.database import Base
+
+
+class User(Base):
+    """用户表"""
+    __tablename__ = "users"
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    openid = Column(String(100), unique=True, nullable=False)
+    nickname = Column(String(100), default="")
+    avatar_url = Column(String(255), default="")
+    gender = Column(Integer, default=0)
+    total_play_count = Column(Integer, default=0)
+    total_endings = Column(Integer, default=0)
+    created_at = Column(TIMESTAMP, server_default=func.now())
+    updated_at = Column(TIMESTAMP, server_default=func.now(), onupdate=func.now())
+
+
+class UserProgress(Base):
+    """用户进度表"""
+    __tablename__ = "user_progress"
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
+    story_id = Column(Integer, ForeignKey("stories.id", ondelete="CASCADE"), nullable=False)
+    current_node_key = Column(String(50), default="start")
+    is_completed = Column(Boolean, default=False)
+    ending_reached = Column(String(100), default="")
+    is_liked = Column(Boolean, default=False)
+    is_collected = Column(Boolean, default=False)
+    play_count = Column(Integer, default=1)
+    created_at = Column(TIMESTAMP, server_default=func.now())
+    updated_at = Column(TIMESTAMP, server_default=func.now(), onupdate=func.now())
+    
+    __table_args__ = (
+        UniqueConstraint('user_id', 'story_id', name='uk_user_story'),
+    )
+
+
+class UserEnding(Base):
+    """用户结局收集表"""
+    __tablename__ = "user_endings"
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
+    story_id = Column(Integer, ForeignKey("stories.id", ondelete="CASCADE"), nullable=False)
+    ending_name = Column(String(100), nullable=False)
+    ending_score = Column(Integer, default=0)
+    unlocked_at = Column(TIMESTAMP, server_default=func.now())
+    
+    __table_args__ = (
+        UniqueConstraint('user_id', 'story_id', 'ending_name', name='uk_user_ending'),
+    )