import com.atlassian.jira.component.ComponentAccessor
def plugin = ComponentAccessor.pluginAccessor.getPlugin('com.almworks.jira.structure')
def loader = plugin.classLoader
def PermissionLevel = loader.loadClass('com.almworks.jira.structure.api.permissions.PermissionLevel')
def StructureAuth = loader.loadClass('com.almworks.jira.structure.api.auth.StructureAuth')
def structureComponents = plugin.getModuleDescriptor('structure-components').module
def structureManager = structureComponents.structureManager
StructureAuth.sudo {
   def activeStructures = structureManager.getAllStructures(PermissionLevel.NONE, false)
   def structuresToArchive = activeStructures.findAll { it.owner != null && !it.owner.isActive() }
   structuresToArchive.forEach { 
       it.setArchived(true).saveChanges()
       log.warn("Archived structure: ${it.id} - ${it.name}")
   }
   structuresToArchive
}