function weather_search_location in Weather 7

Same name and namespace in other branches

1. 6.5 weather.module \weather_search_location()
2. 7.3 weather.forms.inc \weather_search_location()
3. 7.2 weather.forms.inc \weather_search_location()

Search for a given location.

Searches for the specified location, whether it is a place name or an ICAO code. For example, weather/fuhlsbüttel will display the weather for Hamburg-Fuhlsbüttel.

Parameters

string $search: The argument passed in the URL that specifies the location which should be searched for.

1 string reference to 'weather_search_location'

weather_menu in ./weather.module

Implement hook_menu().

File

./weather.forms.inc, line 632

Provide forms for configuration of weather displays.

Code

function weather_search_location($search = NULL) {
  if ($search == NULL) {

    // The user did not enter a search string in the URL, so just
    // display the search form.
    return drupal_get_form('weather_search_form');
  }
  else {
    $search = urldecode($search);

    // Do some sanity checks first.
    if (drupal_strlen($search) < 3 || drupal_strlen($search) > 64) {
      drupal_set_message(t('The string to search for must be between 3 and 64 characters.'), 'error');
      drupal_goto('weather');
    }

    // Try to match an exact ICAO code.
    if (drupal_strlen($search) == 4) {
      $location = db_query('SELECT icao, country, name FROM {weather_icao} WHERE icao=:icao', array(
        ':icao' => drupal_strtoupper($search),
      ))
        ->fetchObject();
      if ($location) {

        // Use the default configuration for display.
        $display = weather_get_display_settings(NULL);
        $metar = weather_get_metar($location->icao);
        $location->real_name = $location->name;
        $output = theme('weather_theming', array(
          'display' => $display,
          'location' => $location,
          'metar' => $metar,
        ));
        $form = drupal_get_form('weather_search_form');
        $output .= drupal_render($form);
        return $output;
      }
    }

    // Try to match on icao, name, or country.
    $locations = array();
    $sql = db_select('weather_icao')
      ->fields('weather_icao', array(
      'icao',
      'country',
      'name',
    ))
      ->orderBy('name', 'ASC');
    $or = db_or()
      ->where('icao LIKE UPPER(:search)', array(
      ':search' => "%{$search}%",
    ))
      ->where('UPPER(country) LIKE UPPER(:search)', array(
      ':search' => "%{$search}%",
    ))
      ->where('UPPER(name) LIKE UPPER(:search)', array(
      ':search' => "%{$search}%",
    ));
    $sql
      ->condition($or);
    $result = $sql
      ->execute();
    foreach ($result as $location) {
      $locations[] = $location;
    }

    // If there are no results, notify user
    if (empty($locations)) {
      drupal_set_message(t('Your search did not return any results.'), 'error');
      drupal_goto('weather');
    }
    else {
      if (count($locations) == 1) {
        $location = $locations[0];

        // There's only one search result, so show the weather directly
        // using the default configuration for display.
        // Use the default configuration for display.
        $display = weather_get_display_settings(NULL);
        $metar = weather_get_metar($location->icao);
        $location->real_name = $location->name;
        $output = theme('weather_theming', array(
          'display' => $display,
          'location' => $location,
          'metar' => $metar,
        ));
        $form = drupal_get_form('weather_search_form');
        $output .= drupal_render($form);
        return $output;
      }
      else {

        // There is more than one result, so show all of them
        // to let the user decide.
        $links = array();
        foreach ($locations as $location) {
          $links[] = l($location->name, 'weather/' . $location->icao);
        }
        $title = t('Search results for <q>@search</q>', array(
          '@search' => $search,
        ));
        $output = theme('item_list', array(
          'items' => $links,
          'title' => $title,
        ));
        $form = drupal_get_form('weather_search_form');
        $output .= drupal_render($form);
        return $output;
      }
    }
  }
}