Create code_file.py

app/models/code_file.py

@@ -0,0 +1,27 @@
+from sqlalchemy import Column, Integer, String, Text, ForeignKey, DateTime, Index
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from app.database import Base
+
+class CodeFile(Base):
+    """Store full file contents for complete AI context"""
+    __tablename__ = "code_files"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    repository_id = Column(Integer, ForeignKey("repositories.id", ondelete="CASCADE"), nullable=False)
+    file_path = Column(String(500), nullable=False)
+    full_content = Column(Text, nullable=False)  # Complete file chunk content
+    chunk_index = Column(Integer, nullable=False)
+    start_line = Column(Integer, nullable=False)
+    end_line = Column(Integer, nullable=False)
+    chunk_type = Column(String(50), nullable=False)  # 'full_file' or 'code_block'
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    
+    # Relationship
+    repository = relationship("Repository", back_populates="code_files")
+    
+    # Composite index for fast lookups
+    __table_args__ = (
+        Index('ix_code_files_repo_file_chunk', 'repository_id', 'file_path', 'chunk_index'),
+        Index('ix_code_files_repo_id', 'repository_id'),
+    )