add ondelete restriction to pricing plan to service DB table

Author: matusdrobuliak66

…bc9c46960430_add_restriction_ondelete.py …d84edab53761_add_restriction_ondelete.pypackages/postgres-database/src/simcore_postgres_database/migration/versions/bc9c46960430_add_restriction_ondelete.py renamed to packages/postgres-database/src/simcore_postgres_database/migration/versions/d84edab53761_add_restriction_ondelete.py packages/postgres-database/src/simcore_postgres_database/migration/versions/bc9c46960430_add_restriction_ondelete.py renamed to packages/postgres-database/src/simcore_postgres_database/migration/versions/d84edab53761_add_restriction_ondelete.py

@@ -1,21 +1,26 @@
 """add restriction ondelete
 
-Revision ID: bc9c46960430
+Revision ID: d84edab53761
 Revises: 163b11424cb1
-Create Date: 2025-02-25 08:25:05.439960+00:00
+Create Date: 2025-02-25 09:18:14.541874+00:00
 
 """
 from alembic import op
 
 # revision identifiers, used by Alembic.
-revision = "bc9c46960430"
+revision = "d84edab53761"
 down_revision = "163b11424cb1"
 branch_labels = None
 depends_on = None
 
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
+    op.create_unique_constraint(
+        "uq_licensed_item_to_resource_resource_id",
+        "licensed_item_to_resource",
+        ["licensed_resource_id"],
+    )
     op.drop_constraint(
         "fk_rut_pricing_plan_to_service_key_and_version",
         "resource_tracker_pricing_plan_to_service",
@@ -49,4 +54,9 @@ def downgrade():
         onupdate="CASCADE",
         ondelete="CASCADE",
     )
+    op.drop_constraint(
+        "uq_licensed_item_to_resource_resource_id",
+        "licensed_item_to_resource",
+        type_="unique",
+    )
     # ### end Alembic commands ###

packages/postgres-database/src/simcore_postgres_database/models/licensed_item_to_resource.py

@@ -31,4 +31,13 @@
     ),
     column_created_datetime(timezone=True),
     column_modified_datetime(timezone=True),
+    #########
+    # NOTE: Currently, there is a constraint that a resource item ID cannot be in multiple licensed items.
+    # The reason is that the license key and license version coming from the internal license server are part of the licensed resource domain.
+    # Sim4Life performs a mapping on their side, where the license key and version are mapped to a licensed item.
+    # If this constraint is broken, the mapping logic in Sim4Life might break.
+    sa.UniqueConstraint(
+        "licensed_resource_id",
+        name="uq_licensed_item_to_resource_resource_id",
+    ),
 )