<?php /** * Name: Nominatim * Description: Use Nominatim from OpenStreetMap to resolve the location for the given latitude and longitude. Derived from "geocoordinates" * Version: 0.1 * Author: Michael Vogel <https://pirati.ca/profile/heluecht> */ use Friendica\App; use Friendica\Core\Hook; use Friendica\Core\Logger; use Friendica\Core\Renderer; use Friendica\DI; function nominatim_install() { Hook::register('post_local', 'addon/nominatim/nominatim.php', 'nominatim_post_hook'); Hook::register('post_remote', 'addon/nominatim/nominatim.php', 'nominatim_post_hook'); } function nominatim_resolve_item(array &$item) { if(empty($item['coord']) || !empty($item['location'])) { return; } $language = DI::config()->get('nominatim', 'language'); if (empty($language)) { $language = 'en'; } $coords = explode(' ',$item['coord']); if (count($coords) < 2) { return; } $coords[0] = round($coords[0], 5); $coords[1] = round($coords[1], 5); $result = DI::cache()->get('nominatim:' . $language . ':' . $coords[0] . '-' . $coords[1]); if (!is_null($result)) { $item['location'] = $result; return; } $s = DI::httpClient()->fetch('https://nominatim.openstreetmap.org/reverse?lat=' . $coords[0] . '&lon=' . $coords[1] . '&format=json&addressdetails=0&accept-language=' . $language); if (empty($s)) { Logger::info('API could not be queried'); return; } $data = json_decode($s, true); if (empty($data['display_name'])) { Logger::info('No results found for coordinates', ['coordinates' => $item['coord'], 'data' => $data]); return; } $item['location'] = $data['display_name']; Logger::info('Got location', ['lat' => $coords[0], 'long' => $coords[1], 'location' => $item['location']]); if (!empty($item['location'])) { DI::cache()->set('nominatim:' . $language . ':' . $coords[0] . '-' . $coords[1], $item['location']); } } function nominatim_post_hook(App $a, array &$item) { nominatim_resolve_item($item); } function nominatim_addon_admin(App $a, string &$o) { $t = Renderer::getMarkupTemplate('admin.tpl', 'addon/nominatim/'); $o = Renderer::replaceMacros($t, [ '$submit' => DI::l10n()->t('Save Settings'), '$language' => ['language', DI::l10n()->t('Language code (IETF format)'), DI::config()->get('nominatim', 'language'), ''], ]); } function nominatim_addon_admin_post(App $a) { DI::config()->set('nominatim', 'language', (!empty($_POST['language']) ? trim($_POST['language']) : '')); }