Added in_use and priority_id field for channels urls. Added priorities table. Setup sql alchemy migration. Generate first migration.

app/models/db.py

@@ -1,12 +1,19 @@
 from datetime import datetime, timezone
 import uuid
-from sqlalchemy import Column, String, JSON, DateTime, UniqueConstraint, ForeignKey
+from sqlalchemy import Column, String, JSON, DateTime, UniqueConstraint, ForeignKey, Boolean, Integer
 from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import relationship
 
 Base = declarative_base()
 
+class Priority(Base):
+    """SQLAlchemy model for channel URL priorities"""
+    __tablename__ = "priorities"
+    
+    id = Column(Integer, primary_key=True)
+    description = Column(String, nullable=False)
+
 class ChannelDB(Base):
     """SQLAlchemy model for IPTV channels"""
     __tablename__ = "channels"
@@ -34,8 +41,11 @@ class ChannelURL(Base):
     id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
     channel_id = Column(UUID(as_uuid=True), ForeignKey('channels.id', ondelete='CASCADE'), nullable=False)
     url = Column(String, nullable=False)
+    in_use = Column(Boolean, default=False, nullable=False)
+    priority_id = Column(Integer, ForeignKey('priorities.id'), nullable=False)
     created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
     updated_at = Column(DateTime, default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))
 
-    # Relationship with ChannelDB
-    channel = relationship("ChannelDB", back_populates="urls")
+    # Relationships
+    channel = relationship("ChannelDB", back_populates="urls")
+    priority = relationship("Priority")