Club Drupal

<?php

/**

 * @file

 * Menu callbacks, form callbacks and helpers.

 */

/**

 * Render a page of available importers.

 */

function feeds_page() {

  $rows = array();

  if ($importers = feeds_importer_load_all()) {

    foreach ($importers as $importer) {

      if ($importer->disabled) {

        continue;

      }

      if (!(user_access('import ' . $importer->id . ' feeds') || user_access('administer feeds'))) {

        continue;

      }

      if (empty($importer->config['content_type'])) {

        $link = 'import/' . $importer->id;

        $title = $importer->config['name'];

      }

      elseif (node_access('create', $importer->config['content_type'])) {

        $link = 'node/add/' . str_replace('_', '-', $importer->config['content_type']);

        $title = node_type_get_name($importer->config['content_type']);

      }

      else {

        continue;

      }

      $rows[] = array(

        l($title, $link),

        check_plain($importer->config['description']),

      );

    }

  }

  if (empty($rows)) {

    // The feeds_ui module is enabled.

    if (module_exists('feeds_ui') && user_access('administer feeds')) {

      drupal_set_message(t('There are no importers, go to <a href="@importers">Feed importers</a> to create one or enable an existing one.', array('@importers' => url('admin/structure/feeds'))));

    }

    else {

      // The feeds_ui module is not enabled but the current user has access to

      // Modules to enable it.

      if (user_access('administer modules')) {

        drupal_set_message(t('The Feeds UI Admin module is not enabled and there are no importers, go to <a href="@modules">Modules</a> and enable Feeds Admin UI. Then go to <a href="@importers">Feed importers</a> to create one or enable an existing one.', array('@modules' => url('admin/modules'), '@importers' => url('admin/structure/feeds'))));

      }

      else {

        // The feeds_ui module is not enabled and the current user cannot

        // enable it.

        drupal_set_message(t("The Feeds UI Admin module is not enabled. Please contact the Administrator for your site and ask them to enable it."));

      }

    }

  }

  $header = array(

    t('Import'),

    t('Description'),

  );

  return theme('table', array('header' => $header, 'rows' => $rows));

}

/**

 * Render a feeds import form on import/[config] pages.

 */

function feeds_import_form(array $form, array &$form_state, FeedsImporter $importer) {

  $source = feeds_source($importer->id);

  $form['#importer_id'] = $importer->id;

  // @todo Move this into fetcher?

  $form['#attributes']['enctype'] = 'multipart/form-data';

  $form['source_status'] = array(

    '#type' => 'fieldset',

    '#title' => t('Status'),

    '#tree' => TRUE,

    '#value' => feeds_source_status($source),

  );

  $source_form = $source->configForm($form_state);

  if (!empty($source_form)) {

    $form['feeds'] = array(

      '#type' => 'fieldset',

      '#title' => t('Import'),

      '#tree' => TRUE,

    ) + $source_form;

  }

  $form['submit'] = array(

    '#type' => 'submit',

    '#value' => t('Import'),

  );

  $progress = $source->progressImporting();

  if ($progress !== FEEDS_BATCH_COMPLETE) {

    $form['submit']['#disabled'] = TRUE;

    $form['submit']['#value'] =

      t('Importing (@progress %)', array('@progress' => number_format(100 * $progress, 0)));

  }

  return $form;

}

/**

 * Validation handler for node forms and feeds_import_form().

 */

function feeds_import_form_validate($form, &$form_state) {

  // @todo This may be a problem here, as we don't have a feed_nid at this point.

  feeds_source($form['#importer_id'])->configFormValidate($form_state['values']['feeds']);

}

/**

 * Submit handler for feeds_import_form().

 */

function feeds_import_form_submit($form, &$form_state) {

  // Save source and import.

  $source = feeds_source($form['#importer_id']);

  if (!empty($form_state['values']['feeds']) && is_array($form_state['values']['feeds'])) {

    $source->addConfig($form_state['values']['feeds']);

    $source->save();

  }

  // Refresh feed if import on create is selected.

  if ($source->importer->config['import_on_create']) {

    $source->startImport();

  }

  // Add to schedule, make sure importer is scheduled, too.

  $source->schedule();

}

/**

 * Render a feeds import form on node/id/import pages.

 */

function feeds_import_tab_form($form, &$form_state, $node) {

  $importer_id = feeds_get_importer_id($node->type);

  $source = feeds_source($importer_id, $node->nid);

  $form = array();

  $form['#feed_nid'] = $node->nid;

  $form['#importer_id'] = $importer_id;

  $form['#redirect'] = 'node/' . $node->nid;

  $form['source_status'] = array(

    '#type' => 'fieldset',

    '#title' => t('Status'),

    '#tree' => TRUE,

    '#value' => feeds_source_status($source),

  );

  $form = confirm_form($form, t('Import all content from source?'), 'node/' . $node->nid, '', t('Import'), t('Cancel'), 'confirm feeds update');

  $progress = $source->progressImporting();

  if ($progress !== FEEDS_BATCH_COMPLETE) {

    $form['actions']['submit']['#disabled'] = TRUE;

    $form['actions']['submit']['#value'] =

      t('Importing (@progress %)', array('@progress' => number_format(100 * $progress, 0)));

  }

  return $form;

}

/**

 * Submit handler for feeds_import_tab_form().

 */

function feeds_import_tab_form_submit($form, &$form_state) {

  $form_state['redirect'] = $form['#redirect'];

  feeds_source($form['#importer_id'], $form['#feed_nid'])->startImport();

}

/**

 * Render a feeds delete form.

 *

 * Used on both node pages and configuration pages.

 * Therefore $node may be missing.

 */

function feeds_delete_tab_form(array $form, array &$form_state, FeedsImporter $importer = NULL, $node = NULL) {

  if (empty($node)) {

    $source = feeds_source($importer->id);

    $form['#redirect'] = 'import/' . $source->id;

  }

  else {

    $importer_id = feeds_get_importer_id($node->type);

    $source = feeds_source($importer_id, $node->nid);

    $form['#redirect'] = 'node/' . $source->feed_nid;

  }

  // Form cannot pass on source object.

  $form['#importer_id'] = $source->id;

  $form['#feed_nid'] = $source->feed_nid;

  $form['source_status'] = array(

    '#type' => 'fieldset',

    '#title' => t('Status'),

    '#tree' => TRUE,

    '#value' => feeds_source_status($source),

  );

  $form = confirm_form($form, t('Delete all items from source?'), $form['#redirect'], '', t('Delete'), t('Cancel'), 'confirm feeds update');

  $progress = $source->progressClearing();

  if ($progress !== FEEDS_BATCH_COMPLETE) {

    $form['actions']['submit']['#disabled'] = TRUE;

    $form['actions']['submit']['#value'] =

      t('Deleting (@progress %)', array('@progress' => number_format(100 * $progress, 0)));

  }

  return $form;

}

/**

 * Submit handler for feeds_delete_tab_form().

 */

function feeds_delete_tab_form_submit($form, &$form_state) {

  $form_state['redirect'] = $form['#redirect'];

  $feed_nid = empty($form['#feed_nid']) ? 0 : $form['#feed_nid'];

  feeds_source($form['#importer_id'], $feed_nid)->startClear();

}

/**

 * Render a feeds unlock form.

 *

 * Used on both node pages and configuration pages.

 * Therefore $node may be missing.

 */

function feeds_unlock_tab_form($form, &$form_state, FeedsImporter $importer = NULL, $node = NULL) {

  if (empty($node)) {

    $source = feeds_source($importer->id);

    $form['#redirect'] = 'import/' . $source->id;

  }

  else {

    $importer_id = feeds_get_importer_id($node->type);

    $source = feeds_source($importer_id, $node->nid);

    $form['#redirect'] = 'node/' . $source->feed_nid;

  }

  // Form cannot pass on source object.

  $form['#importer_id'] = $source->id;

  $form['#feed_nid'] = $source->feed_nid;

  $form['source_status'] = array(

    '#type' => 'fieldset',

    '#title' => t('Status'),

    '#tree' => TRUE,

    '#value' => feeds_source_status($source),

  );

  $form = confirm_form($form, t('Unlock this importer?'), $form['#redirect'], '', t('Delete'), t('Cancel'), 'confirm feeds update');

  if ($source->progressImporting() == FEEDS_BATCH_COMPLETE && $source->progressClearing() == FEEDS_BATCH_COMPLETE) {

    $form['source_locked'] = array(

      '#type' => 'markup',

      '#title' => t('Not Locked'),

      '#tree' => TRUE,

      '#markup' => t('This importer is not locked, therefore it cannot be unlocked.'),

    );

    $form['actions']['submit']['#disabled'] = TRUE;

    $form['actions']['submit']['#value'] = t('Unlock (disabled)');

  }

  else {

    $form['actions']['submit']['#value'] = t('Unlock');

  }

  return $form;

}

/**

 * Form submit handler. Resets all feeds state.

 */

function feeds_unlock_tab_form_submit($form, &$form_state) {

  drupal_set_message(t('Import Unlocked'));

  $form_state['redirect'] = $form['#redirect'];

  $feed_nid = empty($form['#feed_nid']) ? 0 : $form['#feed_nid'];

  $importer_id = $form['#importer_id'];

  //Is there a more API-friendly way to set the state?

  db_update('feeds_source')

    ->condition('id', $importer_id)

    ->condition('feed_nid', $feed_nid)

    ->fields(array('state' => FALSE))

    ->execute();

}

/**

 * Handle a fetcher callback.

 */

function feeds_fetcher_callback($importer, $feed_nid = 0) {

  if ($importer instanceof FeedsImporter) {

    try {

      return $importer->fetcher->request($feed_nid);

    }

    catch (Exception $e) {

      // Do nothing.

    }

  }

  drupal_access_denied();

}

/**

 * Template generation

 */

function feeds_importer_template(FeedsImporter $importer) {

  if ($importer->parser instanceof FeedsCSVParser) {

    return $importer->parser->getTemplate();

  }

  return drupal_not_found();

}

/**

 * Renders a status display for a source.

 */

function feeds_source_status($source) {

  $progress_importing = $source->progressImporting();

  $v = array();

  if ($progress_importing != FEEDS_BATCH_COMPLETE) {

    $v['progress_importing'] = $progress_importing;

  }

  $progress_clearing = $source->progressClearing();

  if ($progress_clearing != FEEDS_BATCH_COMPLETE) {

    $v['progress_clearing'] = $progress_clearing;

  }

  $v['imported'] = $source->imported;

  $v['count'] = $source->itemCount();

  if (!empty($v)) {

    return theme('feeds_source_status', $v);

  }

}

/**

 * Themes a status display for a source.

 */

function theme_feeds_source_status($v) {

  $output = '<div class="info-box feeds-source-status">';

  $items = array();

  if ($v['progress_importing']) {

    $progress = number_format(100.0 * $v['progress_importing'], 0);

    $items[] = t('Importing - @progress % complete.', array('@progress' => $progress));

  }

  if ($v['progress_clearing']) {

    $progress = number_format(100.0 * $v['progress_clearing'], 0);

    $items[] = t('Deleting items - @progress % complete.', array('@progress' => $progress));

  }

  if (!count($items)) {

    if ($v['count']) {

      if ($v['imported']) {

        $items[] = t('Last import: @ago ago.', array('@ago' => format_interval(REQUEST_TIME - $v['imported'], 1)));

      }

      $items[] = t('@count imported items total.', array('@count' => $v['count']));

    }

    else {

      $items[] = t('No imported items.');

    }

  }

  $output .= theme('item_list', array('items' => $items));

  $output .= '</div>';

  return $output;

}

/**

 * Theme upload widget.

 */

function theme_feeds_upload($variables) {

  $element = $variables['element'];

  drupal_add_css(drupal_get_path('module', 'feeds') . '/feeds.css');

  _form_set_class($element, array('form-file'));

  $summary = '';

  if (!empty($element['#file_info'])) {

    $file = $element['#file_info'];

    $wrapper = file_stream_wrapper_get_instance_by_uri($file->uri);

    $summary .= '<div class="feeds-file-info">';

    $summary .= '<div class="feeds-file-name">';

    if ($wrapper) {

      $summary .= l(check_plain($file->filename), $wrapper->getExternalUrl());

    }

    else {

      $summary .= t('URI scheme %scheme not available.', array('%scheme' =>  file_uri_scheme($uri)));

    }

    $summary .= '</div>';

    $summary .= '<div class="file-size">';

    $summary .= format_size($file->filesize);

    $summary .= '</div>';

    $summary .= '<div class="feeds-file-mime">';

    $summary .= check_plain($file->filemime);

    $summary .= '</div>';

    $summary .= '</div>';

  }

  // Prepend the summary to the form field.

  $element['#children'] = '<div class="feeds-file">' . $summary . '<div class="feeds-file-upload">' . $element['#children'];

  // Render file upload field using theme_form_element().

  $output = theme('form_element', $element);

  // Close "feeds-file" and "feeds-file-upload" divs.

  $output .= '</div></div>';

  return $output;

}