<?php

/**
 * hook_requirements
 */
function remote_issue_tab_requirements($phase){
  if($phase == 'runtime'){
    $no_provider= count(module_implements('issue_tab_settings')) == 0;

    return array(
      'remote_issue_tab' => array(
        'title' => 'Remote Issues Tab',
        'value' => $no_provider ? t('Requires provider module') : t('Correctly configured'),
        'description' => $no_provider ? t('Remote Issues Tab needs another module to implement hook_issue_tab_settings, for example Scratchpads Issues Block. Make sure a compatible module is enabled.') : '',
        'severity' => $no_provider ? REQUIREMENT_WARNING : REQUIREMENT_OK
      )
    );
  }
  return array();
}

/**
 * Move to using hook instead of specific variables
 */
function remote_issue_tab_update_7002() {
  // Delete variables no longer used
  variable_del('remote_issue_tab_feed');
  variable_del('remote_issue_tab_uwho_client_key');
  variable_del('remote_issue_tab_uwho_url');
  variable_del('remote_issue_tab_redirect_path');
  variable_del('remote_issue_tab_footer');

  // We no longer cache the block
  db_drop_table('cache_remote_issue_tab');
}