merci_inventory.install in MERCI (Manage Equipment Reservations, Checkout and Inventory) 7.2

merci inventory install / uninstall

File

modules/merci_inventory/merci_inventory.install

<?php

/**
 * @file
 * merci inventory install / uninstall
 */

/**
 * Implements hook_install().
 */
function merci_inventory_install() {

  //module isn't enabled on install, calling this processes node_info so node types are created before processing create_content_types()

  //this keeps the content type tied to the module, but simplifies the process of adding fields
  drupal_load('module', 'merci_inventory');
  drupal_set_message(t('MERCI Inventory module successfully installed. merci_inventory and merci_inventory_master content types created.  Do not add nodes to merci_inventory_master content type.  Only use it to push CCK fields out to other MERCI managed content types.'));
}
function merci_inventory_enable() {

  // create content types
  //  include_once('./' . drupal_get_path('module', 'merci_inventory') . '/includes/content_types/content_types.inc');
  // _merci_inventory_install_create_content_types();
  merci_inventory_create_cck_fields();
}

// function merci_inventory_install

/**
 * Implementation of hook_uninstall().
 */
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.'));
}

// merci_inventory_uninstall
function merci_inventory_create_cck_fields() {
  foreach (_merci_inventory_installed_fields() as $field) {
    if (!field_info_field($field['field_name'])) {
      field_create_field($field);
    }
  }
  foreach (_merci_inventory_installed_instances() as $instance) {
    if (!field_info_instance($instance['entity_type'], $instance['field_name'], $instance['bundle'])) {
      field_create_instance($instance);
    }
  }
  $merci_inventory_fields = array(
    0 => array(
      'label' => 'Inventory item',
      'field_name' => 'field_merci_inventory_item',
      'type_name' => 'merci_inventory',
      'type' => 'nodereference',
      'widget_type' => 'nodereference_select',
      'required' => 0,
      'multiple' => '1',
      'locked' => 1,
    ),
  );
}
function _merci_inventory_installed_fields() {

  // Create the date field for the reservation.
  return array(
    'field_merci_inventory_item' => array(
      'field_name' => 'field_merci_inventory_item',
      'type' => 'entityreference',
      'entity_types' => array(
        'node',
      ),
      'module' => 'entityreference',
      'locked' => '1',
      'cardinality' => FIELD_CARDINALITY_UNLIMITED,
    ),
    'field_merci_model' => array(
      'field_name' => 'field_merci_model',
      'type' => 'text',
      'entity_types' => array(
        'node',
      ),
      'module' => 'text',
    ),
    'field_merci_make' => array(
      'field_name' => 'field_merci_make',
      'type' => 'text',
      'entity_types' => array(
        'node',
      ),
      'module' => 'text',
    ),
    'field_merci_serial_number' => array(
      'field_name' => 'field_merci_serial_number',
      'type' => 'text',
      'entity_types' => array(
        'node',
      ),
      'module' => 'text',
    ),
    'field_merci_inventory_code' => array(
      'field_name' => 'field_merci_inventory_code',
      'type' => 'text',
      'entity_types' => array(
        'node',
      ),
      'module' => 'text',
    ),
    'field_merci_warranty' => array(
      'field_name' => 'field_merci_warranty',
      'type' => 'text',
      'entity_types' => array(
        'node',
      ),
      'module' => 'text',
    ),
  );
}
function _merci_inventory_installed_instances() {
  return array(
    'field_merci_inventory_item' => array(
      'field_name' => 'field_merci_inventory_item',
      'label' => 'Inventory item',
      'entity_type' => 'node',
      'bundle' => 'merci_inventory',
    ),
    'field_merci_model' => array(
      'field_name' => 'field_merci_model',
      'label' => 'Model',
      'entity_type' => 'node',
      'bundle' => 'merci_inventory_master',
    ),
    'field_merci_make' => array(
      'field_name' => 'field_merci_make',
      'label' => 'Make',
      'entity_type' => 'node',
      'bundle' => 'merci_inventory_master',
    ),
    'field_merci_serial_number' => array(
      'field_name' => 'field_merci_serial_number',
      'label' => 'Serial Number',
      'entity_type' => 'node',
      'bundle' => 'merci_inventory_master',
    ),
    'field_merci_inventory_code' => array(
      'field_name' => 'field_merci_inventory_code',
      'label' => 'Inventory Code',
      'entity_type' => 'node',
      'bundle' => 'merci_inventory_master',
    ),
    'field_merci_warranty' => array(
      'field_name' => 'field_merci_warranty',
      'label' => 'Warranty',
      'entity_type' => 'node',
      'bundle' => 'merci_inventory_master',
    ),
  );
}

Functions

Name	Description
merci_inventory_create_cck_fields
merci_inventory_enable
merci_inventory_install	Implements hook_install().
merci_inventory_uninstall	Implementation of hook_uninstall().
_merci_inventory_installed_fields
_merci_inventory_installed_instances