refactor: 后端从Node.js重写为Python FastAPI

server/app/models/story.py

@@ -0,0 +1,66 @@
+"""
+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")