function yr_verdata_page_all in Yr Weatherdata 7

Same name and namespace in other branches

1. 6.2 yr_verdata.module \yr_verdata_page_all()

Function for generating the main forecast page.

Return value

Returns a themed list of locations with upcoming forecasts.

1 string reference to 'yr_verdata_page_all'

yr_verdata_menu in ./yr_verdata.module

Implementation of hook_menu().

File

./yr_verdata.module, line 117

yr_verdata.module This file contains the code for getting the forecast from yr.no and displaying it on a Drupal site.

Code

function yr_verdata_page_all() {

  // First, we see if we have a cache. No need to ask the database,
  // filesystem/PHP SimpleXML and yr.no for lots of locations if
  // the cache is up to date.
  $page_array = array(
    '#cache' => array(
      'keys' => array(
        'yr_verdata',
        'page',
        'all',
      ),
      'bin' => 'cache',
      'expire' => REQUEST_TIME + variable_get('yr_verdata_maxage', 21600),
      'granularity' => DRUPAL_CACHE_PER_ROLE | DRUPAL_CACHE_PER_PAGE,
    ),
  );

  // Get the layout setting.
  $layout = variable_get('yr_verdata_overview_layout', 'table');

  // Assign it to the page array, to get the correct cache.
  $page_array['#cache']['keys'][] = $layout;

  // Generate the cache id and get the cache, if it exists.
  $cid = drupal_render_cid_create($page_array);
  $cache = cache_get($cid);
  if (!is_object($cache)) {
    $cache = new stdClass();
  }

  // To prevent strict warning in the next step.
  $cache->expire = isset($cache->expire) ? $cache->expire : 0;

  // This is to prevent a PHP notice when the cache is cleared.
  if (REQUEST_TIME > $cache->expire) {

    // No valid cache, generate new.
    // Load locations.
    $grouping = variable_get('yr_verdata_group', 'off');

    // Are we grouping locations in some way?
    $records = _yr_verdata_get_all();
    $langs = _yr_verdata_langs();
    $last_group = '';

    // Create either the table or the box-overview.
    if ($layout == 'table') {

      // First we set the header and row arrays for the table, and the empty message.
      $header = array(
        t('Location'),
        t('Forecast'),
      );
      $rows = array();
      $empty = t('No locations are stored in the database.');
      foreach ($records as $record) {

        // Go over the array of locations and generate a row for use in theme_table().
        // If we are grouping by something, add pretty "header" rows for each group.
        if ($grouping != 'off' && $record->{$grouping} != $last_group) {
          $colspan = user_access('administer yr_verdata') ? 3 : 2;
          $thegroup = $grouping == 'lang' ? $langs[$record->lang] : check_plain($record->{$grouping});
          $rows[$thegroup] = array(
            'data' => array(
              array(
                'data' => $thegroup,
                'header' => TRUE,
                'colspan' => $colspan,
              ),
            ),
          );
          $last_group = $record->{$grouping};
        }
        $name = yr_verdata_resolve_name($record);

        // Unclean, but cleaned by l().
        $rows[$record->yid] = array(
          l($name, "forecast/{$record->yid}"),
          yr_verdata_generate($record, 'table'),
        );

        // yid is a serial from the database, so it's safe.
        if (user_access('administer yr_verdata')) {
          $rows[$record->yid][] = l(t('Delete'), 'forecast/delete/' . $record->yid);
        }
      }
      if (user_access('administer yr_verdata')) {
        $header[] = t('Delete location');
        $empty .= ' ' . _yr_verdata_addmore_msg();
      }

      // Add necessary stuff to the page array.
      $page_array['content']['#theme'] = 'table';
      $page_array['content']['#header'] = $header;
      $page_array['content']['#rows'] = $rows;
      $page_array['content']['#empty'] = $empty;
    }
    else {

      // No table, create the box-overview.
      $boxes = array();
      foreach ($records as $record) {

        // Go over the array of locations and generate a box with the upcoming/current weather.
        $data = simplexml_load_file(_yr_verdata_local_file($record));
        $forecast = $data->forecast->tabular->time[0];
        $name = yr_verdata_resolve_name($record);

        // Unclean, cleaned later.
        $box['time'] = date(_yr_verdata_date_format(), strtotime($forecast['from']));

        // Clean.
        $box['symbol'] = theme('yr_verdata_symbol', array(
          'symbol' => $forecast->symbol,
          'period' => $forecast['period'],
        ));

        // Clean.
        $box['wind'] = theme('yr_verdata_wind', array(
          'dir' => $forecast->windDirection,
          'speed' => $forecast->windSpeed,
        ));

        // Clean.
        $box['temp'] = theme('yr_verdata_temp', array(
          'temp' => $forecast->temperature,
        ));

        // Clean.
        $box['precip'] = theme('yr_verdata_precip', array(
          'precip' => $forecast->precipitation,
        ));

        // Clean.
        $box['pressure'] = theme('yr_verdata_pressure', array(
          'pressure' => $forecast->pressure,
        ));

        // Clean.
        $boxes[$record->yid]['title']['#markup'] = l($name, 'forecast/' . $record->yid);
        $boxes[$record->yid]['title']['#prefix'] = '<h4>';
        $boxes[$record->yid]['title']['#suffix'] = '</h4>';
        $boxes[$record->yid]['forecast'] = yr_verdata_forecastbox($box);

        // Add the delete link for admins to the box layout as well.
        if (user_access('administer yr_verdata')) {
          $boxes[$record->yid]['delete']['#markup'] = l(t('Delete @location', array(
            '@location' => $name,
          )), 'forecast/delete/' . $record->yid);
          $boxes[$record->yid]['delete']['#prefix'] = '<p class="yr-box-delete-link">';
          $boxes[$record->yid]['delete']['#suffix'] = '</p>';
        }
        $boxes[$record->yid]['#prefix'] = '<div class="yr-overview-box">';
        $boxes[$record->yid]['#suffix'] = '</div>';
      }

      // Put the boxes in the output.
      $page_array['content']['#markup'] = drupal_render($boxes);
      $page_array['content']['#prefix'] = '<div class="yr-forecast-boxes clearfix">';
      $page_array['content']['#suffix'] = '</div>';
    }
    $page_array['pager'] = array(
      '#theme' => 'pager',
    );
    $page_array['credit']['#markup'] = yr_verdata_credit_link();
    $page_array['#attached'] = array(
      'css' => array(
        drupal_get_path('module', 'yr_verdata') . '/yr_verdata.css',
      ),
    );
  }
  return $page_array;
}