user_import.import.inc in User Import 6.4

File

user_import.import.inc

<?php

function _user_import_process($settings) {

  // Load supported modules
  user_import_load_supported();
  $remaining_data = FALSE;
  $line_max = variable_get('user_import_line_max', 1000);
  $import_max = variable_get('user_import_max', 250);
  $field_match = _user_import_unconcatenate_field_match($settings['field_match']);
  $update_setting = _user_import_update_user_check($settings['options']['update_user']);
  $update_setting_per_module = $settings['options']['update_user'];
  $username_data = array();
  $username_order = array();
  $username_abbreviate = array();
  $first_line_skip = 0;
  $import_key = isset($settings['options']['import_key']) ? $settings['options']['import_key'] : 'user-mail';
  $delimiter = isset($settings['delimiter']) && !empty($settings['delimiter']) ? $settings['delimiter'] : ',';
  ini_set('auto_detect_line_endings', TRUE);
  $handle = @fopen($settings['filepath'], "r");

  // move pointer to where test/import last finished
  if ($settings['pointer'] != 0) {
    fseek($handle, $settings['pointer']);
  }

  // start count of imports on this cron run
  $processed_counter = 0;
  while ($data = fgetcsv($handle, $line_max, $delimiter)) {
    $errors = user_import_errors(FALSE, TRUE);
    $password = '';
    $account = array();
    $existing_account = FALSE;
    $updated = FALSE;
    unset($fields, $uid);
    reset($field_match);

    // if importing, check we are not over max number of imports per cron
    if ($settings['setting'] == 'import' && $processed_counter >= $import_max) {
      $remaining_data = TRUE;
      break;
    }

    // don't process empty lines
    $line_filled = count($data) == 1 && drupal_strlen($data[0]) == 0 ? FALSE : TRUE;
    if ($line_filled) {

      // check if this is first line - if so should we skip?
      if (!empty($settings['first_line_skip']) && $settings['processed'] == 0 && $first_line_skip !== FALSE) {

        // reset to false on second process
        $first_line_skip = empty($first_line_skip) ? TRUE : FALSE;
      }
      if (!$first_line_skip) {

        // Process data cell.
        foreach ($field_match as $column_id => $column_settings) {
          $type = $column_settings['type'];
          $field_id = $column_settings['field_id'];

          // Skip if this is a field used as part of a username but
          // not otherwise mapped for import.
          if ($type != 'username_part') {
            $fields[$type][$field_id] = module_invoke_all('user_import_data', $settings, $update_setting, $column_settings, $type, $field_id, $data, $column_id);
          }

          // Read in data if present for concatenating a user name.
          if ($column_settings['username'] > 0) {
            $username_data[$column_id] = $data[$column_id];
            $username_order[$column_id] = $column_settings['username'];
            $username_abbreviate[$column_id] = $column_settings['abbreviate'];
          }

          // If not using email as primary key check if there is already a user with this value.
          if ($import_key != 'user-email' && $import_key == $type . '-' . $field_id) {
            $uid = module_invoke($type, 'user_import_primary_key_check', $field_id, $fields[$type][$field_id][0], $update_setting);
          }
        }
        $errors = user_import_errors();

        // if we update existing users matched by email (and therefore passed validation even if this email already exists)
        // look for and use an existing account.
        if ($update_setting && !empty($fields['user']['email'][0]) && $import_key == 'user-email') {
          $existing_account = user_load(array(
            'mail' => $fields['user']['email'][0],
          ));
          if ($existing_account) {
            $account = (array) $existing_account;
          }
        }
        elseif ($update_setting && $import_key != 'user-email' && !empty($uid)) {
          $existing_account = user_load($uid);
          if ($existing_account) {
            $account = (array) $existing_account;
          }
        }

        // if $account['uid'] is not empty then we can assume the account is being updated
        $account_additions = module_invoke_all('user_import_pre_save', $settings, $account, $fields, $errors, $update_setting_per_module);
        foreach ($account_additions as $field_name => $value) {
          $account[$field_name] = $value;
        }
        if (empty($errors)) {
          if ($settings['setting'] == 'import') {
            if ($existing_account) {
              $account = user_save($existing_account, $account);
              $updated = TRUE;
            }
            else {

              // Only set a user name if we are not updating an existing record.
              $account['name'] = _user_import_create_username($username_order, $username_data, $username_abbreviate, $settings['username_space']);
              $password = $account['pass'];
              $account = user_save('', $account);
            }
            module_invoke_all('user_import_after_save', $settings, $account, $password, $fields, $updated, $update_setting_per_module);
            $processed_counter++;
          }
          $settings['processed']++;
          $settings['valid']++;
        }
      }
      $settings['pointer'] = ftell($handle);

      // save lines that have fatal errors
      if (!empty($errors)) {
        $account_email = isset($account['email']) ? $account['email'] : '';
        _user_import_errors_display_save($settings['import_id'], $fields, $account_email, $errors);
      }
    }
    $settings['setting'] = _user_import_save_progress($settings['setting'], $remaining_data, $settings['pointer'], $settings['processed'], $settings['valid'], $settings['import_id']);
  }

  // Save progress.
  $settings['setting'] = _user_import_save_progress($settings['setting'], $remaining_data, $settings['pointer'], $settings['processed'], $settings['valid'], $settings['import_id'], TRUE);
  fclose($handle);
  return $settings;
}

// errors for user being imported
function user_import_errors($error = FALSE, $clear = FALSE) {
  static $errors = array();
  if ($clear) {
    $errors = array();
  }
  if ($error) {
    $errors[] = $error;
  }
  return $errors;
}
function _user_import_create_username($order, $data, $abbreviate, $username_space) {
  $username = '';
  if (is_array($order)) {
    asort($order);

    //reset($order);

    //while (list ($file_column, $sequence) = each ($order)) {
    foreach ($order as $file_column => $sequence) {
      if (!empty($username) && !empty($username_space)) {
        $username .= ' ';
      }
      if ($abbreviate[$file_column] == 1) {

        //$username .= trim(drupal_strtoupper(chr(ord($data[$file_column]))));
        $first_character = trim($data[$file_column]);
        $first_character = drupal_substr($first_character, 0, 1);
        $username .= drupal_strtoupper($first_character);
      }
      else {
        $username .= trim($data[$file_column]);
      }
    }
  }
  if (empty($username)) {
    $username = _user_import_random_username();
  }
  $username = _user_import_sanitise_username($username);
  $username = _user_import_unique_username($username, TRUE);
  return $username;
}

/**
 *  conform to Drupal username rules
 */
function _user_import_sanitise_username($username) {

  // username cannot contain an illegal character
  $username = preg_replace('/[^\\x80-\\xF7 [:alnum:]@_.-]/', '', $username);
  $username = preg_replace('/[\\x{80}-\\x{A0}' . '\\x{AD}' . '\\x{2000}-\\x{200F}' . '\\x{2028}-\\x{202F}' . '\\x{205F}-\\x{206F}' . '\\x{FEFF}' . '\\x{FF01}-\\x{FF60}' . '\\x{FFF9}-\\x{FFFD}' . '\\x{0}]/u', '', $username);

  // username cannot contain multiple spaces in a row
  $username = preg_replace('/[ ]+/', ' ', $username);

  // username must be less than 56 characters
  $username = substr($username, 0, 56);

  // username cannot begin or end with a space
  $username = trim($username);
  return $username;
}

/**
 *  deal with duplicate usernames
 */
function _user_import_unique_username($username, $start = FALSE) {
  static $suffix = 1;
  if ($start) {
    $suffix = 1;
  }
  if ($suffix < 2) {
    $duplicate = db_result(db_query("SELECT uid from {users} where name = '%s' LIMIT 1", $username));
  }
  else {
    $duplicate = db_result(db_query("SELECT uid from {users} where name = '%s' LIMIT 1", "{$username} {$suffix}"));
  }

  // loop until name is valid
  if (!empty($duplicate)) {
    $suffix++;
    _user_import_unique_username($username);
  }

  // add number at end of username if it already exists
  $username = $suffix < 2 ? $username : "{$username} {$suffix}";
  return $username;
}

// Update settings for existing import
function _user_import_settings_update($pointer, $processed, $valid, $setting, $import_id) {
  if (empty($import_id)) {
    return;
  }
  db_query("UPDATE {user_import} SET pointer = %d, processed = %d, valid= %d, setting = '%s' WHERE import_id = %d", $pointer, $processed, $valid, $setting, $import_id);
}
function _user_import_random_username() {
  $username = '';
  $vowels = 'aoueiy';
  $consonants = 'bcdfghjklmnpqrstvwxz';
  $length = 8;
  mt_srand((double) microtime() * 10000000);
  $next_vowel = 0;
  for ($count = 0; $count <= $length; $count++) {
    if ($next_vowel) {
      $rand = mt_rand(0, 5);
      $username .= $vowels[$rand];
      $next_vowel = 0;
    }
    else {
      $rand = mt_rand(0, 19);
      $username .= $consonants[$rand];
      $next_vowel = 1;
    }
  }
  return $username;
}

// check if any updates are to be made
function _user_import_update_user_check($settings) {
  foreach ($settings as $setting) {
    if ($setting != UPDATE_NONE) {
      return TRUE;
    }
  }
  return FALSE;
}
function _user_import_errors_display_save($import_id, $data, $email, $errors) {
  $data['email'] = $email;
  db_query("INSERT INTO {user_import_errors}\n\t\t\t\t   (import_id, data, errors)\n\t\t\t\t   VALUES (%d, '%s', '%s')\n\t\t\t\t   ", $import_id, serialize($data), serialize($errors));
  return;
}

/**
 *  Save progress status and counter of the import.
 */
function _user_import_save_progress($status, $remaining_data, $pointer, $processed, $valid, $import_id, $status_check = FALSE) {
  if ($status_check) {
    if ($status == 'import' && !$remaining_data) {
      $status = 'imported';
    }
    if ($status == 'test') {
      $status = 'tested';
    }
  }
  _user_import_settings_update($pointer, $processed, $valid, $status, $import_id);
  return $status;
}

Functions

Name	Description
user_import_errors
_user_import_create_username
_user_import_errors_display_save
_user_import_process
_user_import_random_username
_user_import_sanitise_username	conform to Drupal username rules
_user_import_save_progress	Save progress status and counter of the import.
_user_import_settings_update
_user_import_unique_username	deal with duplicate usernames
_user_import_update_user_check