create cruise related artifact in cruise api (#1355)

alembic/versions/2024_12_09_0040-c502ecf908c6_add_created_at_and_modified_at_to_.py

@@ -0,0 +1,37 @@
+"""add created_at and modified_at to observer tables;
+
+Revision ID: c502ecf908c6
+Revises: dc2a8facf0d7
+Create Date: 2024-12-09 00:40:30.098534+00:00
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "c502ecf908c6"
+down_revision: Union[str, None] = "dc2a8facf0d7"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("observer_cruises", sa.Column("created_at", sa.DateTime(), nullable=False))
+    op.add_column("observer_cruises", sa.Column("modified_at", sa.DateTime(), nullable=False))
+    op.add_column("observer_thoughts", sa.Column("created_at", sa.DateTime(), nullable=False))
+    op.add_column("observer_thoughts", sa.Column("modified_at", sa.DateTime(), nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("observer_thoughts", "modified_at")
+    op.drop_column("observer_thoughts", "created_at")
+    op.drop_column("observer_cruises", "modified_at")
+    op.drop_column("observer_cruises", "created_at")
+    # ### end Alembic commands ###