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