feat: add migration for public_sharing permissions

surfsense_backend/alembic/versions/86_add_public_sharing_permissions_to_roles.py

@@ -0,0 +1,66 @@
+"""Add public_sharing permissions to existing roles
+
+Revision ID: 86
+Revises: 85
+Create Date: 2026-02-02
+
+"""
+
+from sqlalchemy import text
+
+from alembic import op
+
+revision = "86"
+down_revision = "85"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    connection = op.get_bind()
+
+    connection.execute(
+        text(
+            """
+            UPDATE search_space_roles
+            SET permissions = array_append(permissions, 'public_sharing:view')
+            WHERE name IN ('Editor', 'Viewer')
+            AND NOT ('public_sharing:view' = ANY(permissions))
+            """
+        )
+    )
+
+    connection.execute(
+        text(
+            """
+            UPDATE search_space_roles
+            SET permissions = array_append(permissions, 'public_sharing:create')
+            WHERE name = 'Editor'
+            AND NOT ('public_sharing:create' = ANY(permissions))
+            """
+        )
+    )
+
+
+def downgrade():
+    connection = op.get_bind()
+
+    connection.execute(
+        text(
+            """
+            UPDATE search_space_roles
+            SET permissions = array_remove(permissions, 'public_sharing:view')
+            WHERE name IN ('Editor', 'Viewer')
+            """
+        )
+    )
+
+    connection.execute(
+        text(
+            """
+            UPDATE search_space_roles
+            SET permissions = array_remove(permissions, 'public_sharing:create')
+            WHERE name = 'Editor'
+            """
+        )
+    )