first commit

backend/app/models/dit.py

@@ -0,0 +1,22 @@
+from sqlalchemy import Column, Integer, String, DateTime, Float, UniqueConstraint
+from sqlalchemy.sql import func
+from app.models import Base
+from app.config import TABLE_PREFIX
+
+class DitRecord(Base):
+    __tablename__ = f"{TABLE_PREFIX}DIT_Records"
+    __table_args__ = (
+        UniqueConstraint('op_id', 'pn', name='uix_dit_op_pn'),
+    )
+
+    id = Column(Integer, primary_key=True, index=True)
+    op_id = Column(String(255), index=True, nullable=False)  # 移除 unique，因為同一 op_id 可有多個 pn
+    erp_account = Column(String(100), index=True) # AQ 欄
+    customer = Column(String(255), nullable=False, index=True)
+    customer_normalized = Column(String(255), index=True)
+    pn = Column(String(100), nullable=False, index=True)
+    eau = Column(Integer, default=0)
+    stage = Column(String(50))
+    date = Column(String(20))
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now())