Add Drug model

models/drug.py

@@ -0,0 +1,16 @@
+from sqlalchemy import Column, String, Text
+from sqlalchemy.dialects.postgresql import ARRAY
+from app.api.db.base_class import Base
+from sqlalchemy.sql import func
+import uuid
+
+class Drug(Base):
+    __tablename__ = "drugs"
+
+    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
+    name = Column(String, nullable=False, unique=True, index=True)
+    description = Column(Text, nullable=True)
+    drug_types = Column(ARRAY(String), nullable=False)
+
+    created_at = Column(TIMESTAMP(timezone=True), server_default=func.now())
+    updated_at = Column(TIMESTAMP(timezone=True), onupdate=func.now())