function profile_block

Implementation of hook_block().

File

modules/profile/profile.module, line 137

Support for configurable user profiles.

Code

function profile_block($op = 'list', $delta = 0, $edit = array()) {
  if ($op == 'list') {
    $blocks[0]['info'] = t('Author information');
    $blocks[0]['cache'] = BLOCK_CACHE_PER_PAGE | BLOCK_CACHE_PER_ROLE;
    return $blocks;
  }
  else {
    if ($op == 'configure' && $delta == 0) {

      // Compile a list of fields to show
      $fields = array();
      $result = db_query('SELECT name, title, weight, visibility FROM {profile_fields} WHERE visibility IN (%d, %d) ORDER BY weight', PROFILE_PUBLIC, PROFILE_PUBLIC_LISTINGS);
      while ($record = db_fetch_object($result)) {
        $fields[$record->name] = check_plain($record->title);
      }
      $fields['user_profile'] = t('Link to full user profile');
      $form['profile_block_author_fields'] = array(
        '#type' => 'checkboxes',
        '#title' => t('Profile fields to display'),
        '#default_value' => variable_get('profile_block_author_fields', array()),
        '#options' => $fields,
        '#description' => t('Select which profile fields you wish to display in the block. Only fields designated as public in the <a href="@profile-admin">profile field configuration</a> are available.', array(
          '@profile-admin' => url('admin/user/profile'),
        )),
      );
      return $form;
    }
    else {
      if ($op == 'save' && $delta == 0) {
        variable_set('profile_block_author_fields', $edit['profile_block_author_fields']);
      }
      else {
        if ($op == 'view') {
          if (user_access('access user profiles')) {
            $output = '';
            if (arg(0) == 'node' && is_numeric(arg(1)) && arg(2) == NULL) {
              $node = node_load(arg(1));
              $account = user_load(array(
                'uid' => $node->uid,
              ));
              if ($use_fields = variable_get('profile_block_author_fields', array())) {

                // Compile a list of fields to show.
                $fields = array();
                $result = db_query('SELECT name, title, type, visibility, weight FROM {profile_fields} WHERE visibility IN (%d, %d) ORDER BY weight', PROFILE_PUBLIC, PROFILE_PUBLIC_LISTINGS);
                while ($record = db_fetch_object($result)) {

                  // Ensure that field is displayed only if it is among the defined block fields and, if it is private, the user has appropriate permissions.
                  if (isset($use_fields[$record->name]) && $use_fields[$record->name]) {
                    $fields[] = $record;
                  }
                }
              }
              if (!empty($fields)) {
                $profile = _profile_update_user_fields($fields, $account);
                $output .= theme('profile_block', $account, $profile, TRUE);
              }
              if (isset($use_fields['user_profile']) && $use_fields['user_profile']) {
                $output .= '<div>' . l(t('View full user profile'), 'user/' . $account->uid) . '</div>';
              }
            }
            if ($output) {
              $block['subject'] = t('About %name', array(
                '%name' => $account->name,
              ));
              $block['content'] = $output;
              return $block;
            }
          }
        }
      }
    }
  }
}