Added db migration version to create the missing monitored column in …

…TableShows table of some old instances.

migrations/versions/30f37e2e15e1_.py

@@ -0,0 +1,38 @@
+"""empty message
+
+Revision ID: 30f37e2e15e1
+Revises: cee6a710cb71
+Create Date: 2023-12-26 21:32:39.283484
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from app.database import TableShows
+
+
+# revision identifiers, used by Alembic.
+revision = '30f37e2e15e1'
+down_revision = 'cee6a710cb71'
+branch_labels = None
+depends_on = None
+
+bind = op.get_context().bind
+insp = sa.inspect(bind)
+tables = insp.get_table_names()
+sqlite = bind.engine.name == 'sqlite'
+
+
+def column_exists(table_name, column_name):
+    columns = insp.get_columns(table_name)
+    return any(c["name"] == column_name for c in columns)
+
+
+def upgrade():
+    if not column_exists('table_shows', 'monitored'):
+        with op.batch_alter_table('table_shows', schema=None) as batch_op:
+            batch_op.add_column(sa.Column('monitored', sa.Text(), nullable=True))
+        op.execute(sa.update(TableShows).values({TableShows.monitored: 'True'}))
+
+
+def downgrade():
+    pass