function weather_search_location in Weather 7.2

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 weather.forms.inc \weather_search_location()

Search for a given location.

Searches for the specified location, whether it is a place, country, or part of the link (usually region/province).

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

Implements hook_menu().

File

./weather.forms.inc, line 791

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 {

    // Do some sanity checks first.
    if (drupal_strlen($search) < 3) {
      drupal_set_message(t('The string to search for must have at least three characters.'), 'error');
      drupal_goto('weather');
    }

    // Convert input spaces to underscores.
    $search = str_replace(' ', '_', $search);

    // Try to match on GeoID, name, country, or part of the link.
    $locations = array();

    // In this query we search for names, countries, and link parts of locations.
    $sql = db_select('weather_places')
      ->fields('weather_places', array(
      'geoid',
      'country',
      'name',
      'link',
    ))
      ->orderBy('name', 'ASC');
    $or = db_or()
      ->where('UPPER(country) LIKE UPPER(:search)', array(
      ':search' => "%{$search}%",
    ))
      ->where('UPPER(name) LIKE UPPER(:search)', array(
      ':search' => "%{$search}%",
    ))
      ->where('UPPER(link) LIKE UPPER(:search)', array(
      ':search' => "%{$search}%",
    ));
    $sql
      ->condition($or);
    $result = $sql
      ->execute();
    foreach ($result as $location) {
      $locations[] = $location;
    }

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

        // There's only one search result, so show the weather by
        // redirecting to the correct URL.
        drupal_goto(_weather_get_link_for_geoid($location->geoid, 'default'));
      }
      else {

        // There is more than one result, so show all of them
        // to let the user decide.
        $links = array();
        foreach ($locations as $location) {
          $search_link = _weather_get_link_for_geoid($location->geoid, 'default');
          $links[] = l($location->name, $search_link);
        }
        $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;
      }
    }
  }
}