gistfile1.php

/**
 * Implements hook_install().
 */
function power_one_install() {
  // The "generation_site" entity type already exists at this point.

  // Create a new entity bundle using ECK's API.
  $new_bundle = function($name, $label, $entity_type) {
    $bundle = new Bundle();
    $bundle->name = $name;
    $bundle->label = $label;
    $bundle->entity_type = $entity_type;
    $bundle->save();
    return $bundle;
  };

  // Add a field API field to the bundle.
  $add = function($bundle, $type, $name, $label, $settings = array()) {
    $options = array(
      'field' => array('field_name' => $name, 'settings' => $settings),
      'instance' => array('label' => $label, 'required' => TRUE),
    );
    $bundle->addField($type, $options);
  };
  $add_max = function($bundle, $type, $name, $label, $max_length) use ($add) {
    $add($bundle, $type, $name, $label, array('max_length' => $max_length));
  };

  // Add a site entity reference field to the bundle.
  $add_ref = function($bundle) {
    $bundle->addField('entityreference', array(
      'field' => array(
        'field_name' => 'pow_site',
        'settings' => array(
          'target_type' => 'generation_site',
          'bundle' => 'power_one',
          'handler_settings' => array(
            'sort' => array(
              'direction' => 'ASC',
              'property' => 'title',
              'type' => 'property',
            ),
            'target_bundles' => array(
              'power_one' => 'power_one',
            ),
          ),
        ),
      ),
      'instance' => array(
        'label' => 'Site',
        'required' => TRUE,
      ),
    ));
  };

  // Create and field our site bundle.
  $bundle = $new_bundle('power_one', 'Power-One', 'generation_site');

  $bundle->addField('date', array(
    'field' => array(
      'field_name' => 'pow_install_date',
      'settings' => array(
        'granularity' => array(
          'day' => 'day',
          'hour' => 0,
          'minute' => 0,
          'month' => 'month',
          'second' => 0,
          'year' => 'year',
        ),
      ),
    ),
    'instance' => array(
      'label' => 'Install date',
      'required' => TRUE,
      'settings' => array(
        'default_value' => 'blank',
      ),
      'widget' => array(
        'settings' => array(
          'year_range' => '2000:+3',
        ),
        'type' => 'date_popup',
      ),
    ),
  ));
  $add($bundle, 'list_boolean', 'pow_is_rgpv', 'Uses revenue grade meters');
  $add($bundle, 'number_integer', 'pow_system_size', 'System size');
  $add_max($bundle, 'text', 'pow_timezone', 'Timezone', 20);
  $add_max($bundle, 'text', 'pow_system_size_units', 'System size units', 10);

  // Create an entity type for devices.
  $device = new EntityType();
  $device->name = 'pow_device';
  $device->label = 'Power-One Device';
  $device->addProperty('pow_name', 'Device name', 'text', 'title');
  $device->addProperty('pow_eid', 'Power-One Entity ID', 'positive_integer');
  $device->addProperty('pow_logger_eid', 'Power-One Logger Entity ID', 'positive_integer');
  $device->save();

  // Add fields to Device bundle.
  $bundle = $new_bundle('pow_device', 'Power-One Device', 'pow_device');
  $add($bundle, 'list_boolean', 'pow_is_active', 'Active');
  $add($bundle, 'text', 'pow_manufacturer', 'Manufacturer');
  $add_max($bundle, 'text', 'pow_device_id', 'Device ID', 32);
  $add_max($bundle, 'text', 'pow_device_type_id', 'Device type ID', 32);
  $add_max($bundle, 'text', 'pow_device_number', 'Device number', 32);
  $add_ref($bundle);

  // Create an entity type for loggers.
  $device = new EntityType();
  $device->name = 'pow_logger';
  $device->label = 'Power-One Logger';
  $device->addProperty('pow_name', 'Logger name', 'text', 'title');
  $device->addProperty('pow_eid', 'Power-One Entity ID', 'positive_integer');
  $device->addProperty('pow_lid', 'Power-One Logger ID', 'text');
  $device->save();

  // Add fields to Logger bundle.
  $bundle = $new_bundle('pow_logger', 'Power-One Logger', 'pow_logger');
  $add($bundle, 'list_boolean', 'pow_is_active', 'Active');
  $add($bundle, 'text', 'pow_manufacturer', 'Manufacturer');
  $add_max($bundle, 'text', 'pow_mac_address', 'MAC Address', 32);
  $add_max($bundle, 'text', 'pow_model', 'Model', 32);
  $add_ref($bundle);
}

/**
 * Implements hook_uninstall().
 */
function power_one_uninstall() {
  $entity_types = array('pow_device', 'pow_logger');
  foreach ($entity_types as $name) {
    if ($type = EntityType::loadByName($name)) {
      $type->delete();
    }
  }

  if ($bundle = Bundle::loadByMachineName('generation_site_power_one')) {
    $bundle->delete();
  }
}