merci_inventory.module in MERCI (Manage Equipment Reservations, Checkout and Inventory) 6

Hooks and functions for MERCI Inventory

File

modules/merci_inventory/merci_inventory.module

<?php

/**
 * @file
 * Hooks and functions for MERCI Inventory
 */

/**
 * Implementation of hook_menu().
 */
function merci_inventory_menu() {
  $items = array();
  foreach (array_keys(node_get_types()) as $type_name) {
    $type_url_str = str_replace('_', '-', $type_name);
    $items['admin/content/node-type/' . $type_url_str . '/merci_inventory'] = array(
      'title' => 'MERCI Inventory',
      'page callback' => 'merci_inventory_admin_page',
      'page arguments' => array(
        $type_name,
      ),
      'access callback' => 'merci_inventory_node_type_menu_access',
      'access arguments' => array(
        $type_name,
      ),
      'type' => MENU_LOCAL_TASK,
      'weight' => 10,
    );
  }

  // foreach
  return $items;
}

// merci_inventory_menu

/**
 * Access check
 */
function merci_inventory_node_type_menu_access($type_name) {
  $types = merci_inventory_sync_resource_types();
  if (!in_array($type_name, $types) && user_access('administer MERCI')) {
    return TRUE;
  }

  // if
  return FALSE;
}

// merci_inventory_node_type_menu_access

/**
 * Menu callback; sync fields
 */
function merci_inventory_admin_page($type_name = NULL) {
  $html .= '<h2>Sync Inventory Fields</h2>';
  $html .= drupal_get_form('merci_inventory_sync_fields', $type_name);
  return $html;
}

// merci_inventory_admin_page

/**
 * Field sync form
 */
function merci_inventory_sync_fields(&$form_state, $type_name) {
  $form = array();
  $form['merci_inventory_type'] = array(
    '#type' => 'hidden',
    '#value' => $type_name,
  );
  $form['merci_inventory_sync_to_types'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Sync fields from') . ' <i>' . $type_name . '</i> ' . t('to these types'),
    '#options' => array(),
  );
  $types = merci_inventory_sync_resource_types();
  foreach ($types as $type) {
    $form['merci_inventory_sync_to_types']['#options'][$type] = $type;
  }

  // foreach
  $form['merci_inventory_submit'] = array(
    '#type' => 'submit',
    '#value' => t('Sync Fields'),
  );
  $form['#submit'] = array(
    'merci_inventory_sync_fields_submit',
  );
  return $form;
}

// merci_inventory_sync_fields

/**
 * Field sync form submission handler
 */
function merci_inventory_sync_fields_submit($form_id, $form_values) {
  module_load_include('inc', 'content', 'includes/content.crud');
  $added = 0;
  $values = $form_values['values'];
  $base_type = $values['merci_inventory_type'];
  $params = array(
    'type_name' => $base_type,
  );
  $fields = content_field_instance_read($params);

  // Sync groups if fieldgroup module is enabled
  if (module_exists('fieldgroup')) {
    $groups = fieldgroup_groups($base_type);
  }
  else {
    $groups = array();
  }

  // else
  foreach ($values['merci_inventory_sync_to_types'] as $type => $value) {
    if ($value !== 0) {
      foreach ($fields as $field) {
        $field['type_name'] = $type;
        $params['type_name'] = $type;
        $params['field_name'] = $field['field_name'];
        $field_exists = content_field_instance_read($params);
        if (count($field_exists) == 0) {

          // Sync field
          content_field_instance_create($field);
          drupal_set_message('<i>' . check_plain($field['field_name']) . '</i> ' . t('was added to') . ' <i>' . check_plain($type) . '</i>');
          $added++;
        }
        else {

          // Update all weights (faster than checking for which weights need updating)
          $field_exists[0]['widget']['weight'] = $field['widget']['weight'] + 1000;
          content_field_instance_update($field_exists[0]);
        }

        // else
      }

      // foreach
      if (module_exists('fieldgroup')) {
        $existing_groups = fieldgroup_groups($type);
        foreach ($groups as $group_name => $group) {
          if (!isset($existing_groups[$group_name])) {

            // Add group
            fieldgroup_save_group($type, $group);
            drupal_set_message('<i>' . check_plain($group_name) . '</i> ' . t('was added to') . ' <i>' . check_plain($type) . '</i>');
            $added++;
            $existing_groups = fieldgroup_groups($type, FALSE, TRUE);
          }
          else {

            // Update all weights
            db_query("UPDATE {" . fieldgroup_tablename() . "} SET weight = %d WHERE type_name = '%s' AND group_name = '%s'", $group['weight'] + 1000, $type, $group_name);
          }

          // else
          // Sync fields in group
          foreach ($group['fields'] as $field_name => $field) {
            if (!isset($existing_groups[$group_name]['fields'][$field_name])) {
              $group_field_params = array(
                'group' => $group_name,
                'field_name' => $field_name,
                'type_name' => $type,
              );
              fieldgroup_update_fields($group_field_params);
              drupal_set_message('<i>' . check_plain($field_name) . '</i> ' . t('was moved into group') . ' <i>' . check_plain($group_name) . '</i> ' . t('of') . ' <i>' . check_plain($type) . '</i>');
              $added++;
            }

            // if
          }

          // foreach
        }

        // foreach
      }

      // if
    }

    // if
  }

  // foreach
  if ($added == 0) {
    drupal_set_message(t('No fields were synced, because all fields in') . ' <i>' . check_plain($values['merci_inventory_type']) . '</i> ' . t('are already synced in all selected types'));
  }

  // if
}

// merci_inventory_sync_fields_submit
function merci_inventory_sync_resource_types($reset = FALSE) {
  static $types = FALSE;
  if (!is_array($types) || $reset) {
    $types = array();
    $result = db_query("SELECT type FROM {merci_node_type} WHERE type_setting = 'resource' OR  type_setting = 'bucket'");
    while ($type = db_fetch_object($result)) {
      $types[] = $type->type;
    }

    // while
  }

  // if
  return $types;
}

// merci_inventory_sync_resource_types

Functions

Name	Description
merci_inventory_admin_page	Menu callback; sync fields
merci_inventory_menu	Implementation of hook_menu().
merci_inventory_node_type_menu_access	Access check
merci_inventory_sync_fields	Field sync form
merci_inventory_sync_fields_submit	Field sync form submission handler
merci_inventory_sync_resource_types