function easychart_requirements in Easychart 7.2

File

./easychart.install, line 19

Easychart install file.

Code

function easychart_requirements($phase) {
  $requirements = array();
  $t = get_t();
  if ($phase == 'runtime') {
    $highcharts = _get_lib_info('highcharts');
    $easychart = _get_lib_info('easychart');

    // regex
    $re = "/[^0-9]/";
    $subst = "";
    $msg = '';

    // available updates
    $recommended_release = array();
    $recommended_release['highcharts'] = (int) preg_replace($re, $subst, $highcharts['current_lib_info']['recommended']['version']);
    $recommended_release['easychart'] = (int) preg_replace($re, $subst, $easychart['current_lib_info']['recommended']['version']);
    $installed = array();
    $severity = REQUIREMENT_ERROR;
    $description = t('This module requires the <a href="' . $easychart['current_lib_info']['recommended']['uri'] . '">Easychart javascript library (v' . $easychart['current_lib_info']['recommended']['version'] . ')</a> and the <a href="' . $highcharts['current_lib_info']['recommended']['uri'] . '">Highcharts javascript library (v' . $highcharts['current_lib_info']['recommended']['version'] . ')</a> to be installed in the sites/all/libraries folder of your website.');
    $description .= t('<br>Drush installation: Donwload and install or update these libraries through the \'<code>drush ec-dependencies -y</code>\' command in your terminal/command line.');
    $installed['highcharts'] = (int) preg_replace($re, $subst, array_key_exists('version', $highcharts['current_lib_info']) ? $highcharts['current_lib_info']['version'] : 0);
    $installed['easychart'] = (int) preg_replace($re, $subst, array_key_exists('version', $easychart['current_lib_info']) ? $easychart['current_lib_info']['version'] : 0);
    $update_highchartsJS = $recommended_release['highcharts'] > $installed['highcharts'] ? true : false;
    $update_easychartJS = $recommended_release['easychart'] > $installed['easychart'] ? true : false;
    if ($highcharts['current_lib_info']['installed'] && $easychart['current_lib_info']['installed']) {
      if ($update_highchartsJS && $update_easychartJS) {

        // installed but not the latest/recommended version
        $msg = t('Updates available for your Highcharts and Easychart libraries.');
      }
      elseif ($update_highchartsJS || $update_easychartJS) {

        // installed but not the latest/recommended version
        if ($update_highchartsJS) {
          $msg = t('Updates available for your Highcharts library.<br>Your Easychart library is up to date.');
        }
        if ($update_easychartJS) {
          $msg = t('Updates available for your Easychart library.<br>Your Highcharts library is up to date.');
        }
      }
      else {

        // latest/recommended version is installed
        $severity = REQUIREMENT_OK;
        $msg = t('Your Highcharts and Easychart javascript libraries are up to date.');
        $description = '';
      }
    }
    else {

      // one of both libraries need to be installed
      $severity = REQUIREMENT_ERROR;
      if ($easychart['current_lib_info']['installed'] == false && $highcharts['current_lib_info']['installed'] == false) {
        $msg = t('The required javascript libraries could not be found.');
        $description .= t('<br>ATTENTION: Highcharts is free for personal, school or non-profit projects under the Creative Commons Attribution - Non Commercial 3.0 License. For commercial and governmental websites and projects, you need to buy a license. See <a href=\'http://shop.highsoft.com/highcharts.html\'>Highcharts License and Pricing</a>.');
      }
      else {
        if (!$easychart['current_lib_info']['installed']) {
          $msg = t('The required Easychart javascript library (v' . $easychart['current_lib_info']['recommended']['version'] . ') could not be found.');
        }
        else {
          if ($update_easychartJS) {
            $msg .= t('<br>Updates available for your Easychart library.');
          }
          else {
            $msg .= t('<br>No updates available for your Easychart library.');
          }
        }
        if (!$highcharts['current_lib_info']['installed']) {
          $msg = t('The required Highcharts javascript library (v' . $highcharts['current_lib_info']['recommended']['version'] . ') could not be found.');
          $description .= t('<br>ATTENTION: Highcharts is free for personal, school or non-profit projects under the Creative Commons Attribution - Non Commercial 3.0 License. For commercial and governmental websites and projects, you need to buy a license. See <a href=\'http://shop.highsoft.com/highcharts.html\'>Highcharts License and Pricing</a>.');
        }
        else {
          if ($update_highchartsJS) {
            $msg .= t('<br>Updates available for your Highcharts library.');
          }
          else {
            $msg .= t('<br>No updates available for your Highcharts library.');
          }
        }
      }
    }
    $requirements['easychart'] = array(
      'title' => $t('Easychart'),
      'description' => $description,
      'value' => $msg,
      'severity' => $severity,
    );
  }
  return $requirements;
}