fix aud search on center

backend/models.py

@@ -1,6 +1,6 @@
 # backend/models.py
 
-from sqlalchemy import Column, Integer, String, ForeignKey, DateTime
+from sqlalchemy import Column, Integer, String, ForeignKey, DateTime, UniqueConstraint
 from sqlalchemy.orm import relationship, declarative_base
 import datetime
 
@@ -98,3 +98,47 @@ class Zametki(Base):
     txtzam = Column(String(10000))
     created_date = Column(DateTime, default=datetime.datetime.utcnow)
     rmdt = Column(DateTime)
+
+
+class InspectionSession(Base):
+    __tablename__ = 'inspection_sessions'
+
+    id = Column(Integer, primary_key=True)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    started_at = Column(DateTime, nullable=False)
+    completed_at = Column(DateTime, nullable=True)
+    aud_id = Column(Integer, ForeignKey("auditories.id"), nullable=True)  # null = всё подряд
+
+    # Relationships
+    user = relationship("User")
+    auditory = relationship("Auditory")
+    records = relationship("InspectionRecord", back_populates="session")
+    unknown_barcodes = relationship("UnknownBarcode", back_populates="session")
+
+
+class InspectionRecord(Base):
+    __tablename__ = 'inspection_records'
+
+    id = Column(Integer, primary_key=True)
+    session_id = Column(Integer, ForeignKey("inspection_sessions.id"), nullable=False)
+    oborud_id = Column(Integer, ForeignKey("oboruds.id"), nullable=False)
+    checked_at = Column(DateTime, nullable=False)  # обновляется при повторном сканировании
+
+    # Relationships
+    session = relationship("InspectionSession", back_populates="records")
+    oborud = relationship("Oboruds")
+
+    # Уникальное ограничение: одна запись на оборудование в рамках сессии
+    __table_args__ = (UniqueConstraint('session_id', 'oborud_id', name='_session_oborud_uc'),)
+
+
+class UnknownBarcode(Base):
+    __tablename__ = 'unknown_barcodes'
+
+    id = Column(Integer, primary_key=True)
+    session_id = Column(Integer, ForeignKey("inspection_sessions.id"), nullable=False)
+    barcode = Column(String(100), nullable=False)
+    scanned_at = Column(DateTime, nullable=False)
+
+    # Relationships
+    session = relationship("InspectionSession", back_populates="unknown_barcodes")