flipbook.install

<?php

/**
 * @file
 * Install, update, and uninstall functionality for flipbook.
 */

/**
 * Implements hook_requirements().
 */
function flipbook_requirements($phase) {
  $requirements = array();
  $t = get_t();

  // Check to see if the flipbook library is available.
  if ($phase == 'runtime') {
    $library = libraries_detect('flipbook');

    if ($library['installed']) {
      $version = explode('.', $library['version']);

      if ($version[0] == FLIPBOOK_COMPATIBLE_MAJOR_VERSION) {
        $requirements['flipbook'] = array(
          'value' => $library['version'],
          'severity' => REQUIREMENT_OK,
        );
      }
      else {
        $requirements['flipbook'] = array(
          'value' => $library['version'],
          'description' => $t('Incompatible version detected. The flipbook 
          library version must be from the %version.x branch.',
            array('%version' => FLIPBOOK_COMPATIBLE_MAJOR_VERSION)),
          'severity' => REQUIREMENT_WARNING,
        );
      }
    }
    else {
      $requirements['flipbook'] = array(
        'value' => $t('Flipbook library not found.'),
        'description' => $t('The flipbook library could not be detected. 
        Please consult the README.md for installation instructions.'),
        'severity' => REQUIREMENT_ERROR,
      );
    }

    $requirements['flipbook']['title'] = $t('Flipbook');
  }

  return $requirements;
}