ezproxy_stanza.install

<?php

use Drupal\node\Entity\Node;
use GitWrapper\GitWrapper;
use Drupal\ezproxy_stanza\Git\PrivateRepo;

/**
 * Implements hook_requirements().
 */
function ezproxy_stanza_requirements($phase) {
  $requirements = [];
  if ($phase == 'install') {
    // make sure git is installed
    if (empty(shell_exec("which git 2>/dev/null"))) {
      $requirements['git'] = [
        'description' => t("Git version control software needs to be installed on your server."),
        'severity' => REQUIREMENT_ERROR,
      ];
    }

    $path = 'private://ezproxy_stanza';
    $priv_path = $path . DIRECTORY_SEPARATOR . 'priv';
    if (!file_prepare_directory($path, FILE_CREATE_DIRECTORY) ||
      !file_prepare_directory($priv_path, FILE_CREATE_DIRECTORY)) {
      $requirements['repo_creation'] = [
        'description' => t("Failed to create the necessary directory. Please check that your private filesystem is configured correctly."),
        'severity' => REQUIREMENT_ERROR,
      ];
    }

    if (!class_exists('\GitWrapper\GitWrapper')) {
      $requirements['vendor'] = [
        'description' => t("EZProxy Stanza requires cpliakas/git-wrapper."),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
  }

  return $requirements;
}

/**
 * Implements hook_install().
 */
function ezproxy_stanza_install() {
  $git = new GitWrapper();

  $remote = 'https://github.com/kent-state-university-libraries/oclc-ezproxy-database-stanzas';

  $path = \Drupal::service('file_system')->realpath('private://ezproxy_stanza');

  // clone the OCLC stanzas repo
  $git->cloneRepository($remote, $path . DIRECTORY_SEPARATOR . 'public');
  // create a local/private repo to store site's EZProxy config.txt
  $git->init($path . DIRECTORY_SEPARATOR . 'priv');

  // get the path to the OCLC repo's directory where the stanzas are stored
  $stanzas_repo_path = $path . DIRECTORY_SEPARATOR . 'public'. DIRECTORY_SEPARATOR .'stanzas';
  $stanza_dirs = scandir($stanzas_repo_path);
  foreach ($stanza_dirs as $stanza_dir) {
    if ($stanza_dir === '.' || $stanza_dir === '..') {
      continue;
    }

    $oclc_stanza_dir = $stanzas_repo_path . DIRECTORY_SEPARATOR . $stanza_dir;
    $stanza_file = $oclc_stanza_dir . DIRECTORY_SEPARATOR . 'stanza.txt';
    $stanza = file_get_contents($stanza_file);
    $lines = explode("\n", $stanza);
    $title = FALSE;
    foreach ($lines as $line) {
      $spaces = explode(' ', trim($line));
      $start = array_shift($spaces);
      $start = strtolower($start);
      if ($start === 't' || $start === 'title'
        || substr($start, 0, 1) === 't' || substr($start, 0, 5) === 'title') {
        $title = implode(' ', $spaces);
        if (substr($title, 0, 6) === '-hide ') {
          $title = substr($title, 7);
        }
        break;
      }
    }
    if (!$title) {
      $title = ucfirst($stanza_dir);
    }

    $node = Node::create([
      'title' => $title,
      'type' => 'resource',
      'status' => NODE_NOT_PUBLISHED,
    ]);
    $node->set('field_ezproxy_url', 'https://www.oclc.org/support/services/ezproxy/documentation/db/'.$stanza_dir.'.en.html');

    $node->set('field_ezproxy_stanza', $stanza);
    $node->set('field_ezproxy_review', file_exists($oclc_stanza_dir . DIRECTORY_SEPARATOR . 'README.md'));
    $node->save();
  }

  $private_repo = new PrivateRepo();

  // create a .gitignore file
  $gitignore = "audit/*\n";
  $gitignore .= "cookies/*\n";
  $gitignore .= "docs/*\n";
  $gitignore .= "ezproxy\n";
  $gitignore .= "ezproxy.hst\n";
  $gitignore .= "ezproxy.ipc\n";
  $gitignore .= "ezproxy.key\n";
  $gitignore .= "ezproxy.log*\n";
  $gitignore .= "ezproxy.rnd\n";
  $gitignore .= "GeoLiteCity.dat*\n";
  $gitignore .= "license.txt\n";
  $gitignore .= "logrotate.sh\n";
  $gitignore .= "messages.txt\n";
  $gitignore .= "mimetype\n";
  $gitignore .= "ServiceValidateURL\n";
  $gitignore .= "ssl/*\n";
  $gitignore .= "wskey.key\n";
  $private_repo->setFileContents('.gitignore', $gitignore, 1);

  // add a very basic config.txt
  $config_txt = "# EZProxy Settings\n";
  $config_txt .= "### DO NOT WRITE BELOW THIS LINE. IT WILL BE OVERWRITTEN.\n";
  $private_repo->setFileContents('config.txt', $config_txt, 1);

  // add the files
  $private_repo->add('.');

  // make the initial commit
  $private_repo->commit('.', 'Initial commit.');
}

/**
 * Implements hook_uninstall().
 */
function ezproxy_stanza_uninstall() {
  file_unmanaged_delete_recursive('private://ezproxy_stanza');

  // delete all nodes of type "resource"
  $nids = \Drupal::entityQuery('node')
    ->condition('type', 'resource')
    ->execute();
  foreach ($nids as $nid) {
    $node = Node::load($nid);
    $node->delete();
  }
}