function merci_inventory_uninstall in MERCI (Manage Equipment Reservations, Checkout and Inventory) 7.2

Same name and namespace in other branches

1. 6.2 modules/merci_inventory/merci_inventory.install \merci_inventory_uninstall()
2. 6 modules/merci_inventory/merci_inventory.install \merci_inventory_uninstall()
3. 7.3 merci_inventory/merci_inventory.install \merci_inventory_uninstall()

Implementation of hook_uninstall().

File

modules/merci_inventory/merci_inventory.install, line 30

merci inventory install / uninstall

Code

function merci_inventory_uninstall() {

  // delete any merci_inventory_master nodes... even though there really shouldn't be any
  $result = db_query("SELECT nid FROM {node} n WHERE type IN ('merci_inventory_master', 'merci_inventory')");
  foreach ($result as $node) {
    node_delete($node->nid);
  }

  // Loop over each of the fields defined by this module and delete
  // all instances of the field, their data, and the field itself.
  // http://api.drupal.org/api/function/field_delete_field/7
  foreach (array_keys(_merci_inventory_installed_fields()) as $field) {
    field_delete_field($field);
  }

  // Loop over any remaining field instances attached to the node_example
  // content type (such as the body field) and delete them individually.
  // http://api.drupal.org/api/function/field_delete_field/7
  $instances = field_info_instances('node', 'merci_inventory');
  foreach ($instances as $instance_name => $instance) {
    field_delete_instance($instance);
  }
  $instances = field_info_instances('node', 'merci_inventory_master');
  foreach ($instances as $instance_name => $instance) {
    field_delete_instance($instance);
  }

  // delete CCK content_types
  $return = node_type_delete('merci_inventory_master');
  $return = node_type_delete('merci_inventory');

  // You'd think the uninstall submit function would take care of this
  // but it doesn't look like it.
  node_types_rebuild();
  menu_rebuild();
  drupal_set_message(t('MERCI Inventory module successfully uninstalled.  merci_inventory_master content type and nodes deleted.'));
}