Moved channel URLs to channels_urls table. Create CRUD endpoints for new table.

app/models/db.py

@@ -1,8 +1,9 @@
 from datetime import datetime, timezone
 import uuid
-from sqlalchemy import Column, String, JSON, DateTime, UniqueConstraint
+from sqlalchemy import Column, String, JSON, DateTime, UniqueConstraint, ForeignKey
 from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import relationship
 
 Base = declarative_base()
 
@@ -20,6 +21,21 @@ class ChannelDB(Base):
         UniqueConstraint('group_title', 'name', name='uix_group_title_name'),
     )
     tvg_logo = Column(String)
-    urls = Column(JSON)  # Stores list of URLs as JSON
     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))
+    updated_at = Column(DateTime, default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))
+    
+    # Relationship with ChannelURL
+    urls = relationship("ChannelURL", back_populates="channel", cascade="all, delete-orphan")
+
+class ChannelURL(Base):
+    """SQLAlchemy model for channel URLs"""
+    __tablename__ = "channels_urls"
+
+    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)
+    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")