Official Addons for the Friendica Communications Platform. (please note that this is a clone of the repository at github, issues are handled there)
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<?php
/**
* Name: Geocoordinates
* Description: Use the OpenCage Geocoder http://geocoder.opencagedata.com to resolve nearest populated location for given latitude, longitude. Derived from "geonames"
* Version: 0.1
* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
*/
use Friendica\Core\Addon;
use Friendica\Core\Cache;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Util\Network;
function geocoordinates_install()
{
Addon::registerHook('post_local', 'addon/geocoordinates/geocoordinates.php', 'geocoordinates_post_hook');
Addon::registerHook('post_remote', 'addon/geocoordinates/geocoordinates.php', 'geocoordinates_post_hook');
}
function geocoordinates_uninstall()
{
Addon::unregisterHook('post_local', 'addon/geocoordinates/geocoordinates.php', 'geocoordinates_post_hook');
Addon::unregisterHook('post_remote', 'addon/geocoordinates/geocoordinates.php', 'geocoordinates_post_hook');
}
function geocoordinates_resolve_item(&$item)
{
if((!$item["coord"]) || ($item["location"]))
return;
$key = Config::get("geocoordinates", "api_key");
if ($key == "")
return;
$language = Config::get("geocoordinates", "language");
if ($language == "")
$language = "de";
$coords = explode(' ',$item["coord"]);
if (count($coords) < 2)
return;
$coords[0] = round($coords[0], 5);
$coords[1] = round($coords[1], 5);
$result = Cache::get("geocoordinates:".$language.":".$coords[0]."-".$coords[1]);
if (!is_null($result)) {
$item["location"] = $result;
return;
}
$s = Network::fetchURL("https://api.opencagedata.com/geocode/v1/json?q=".$coords[0].",".$coords[1]."&key=".$key."&language=".$language);
if (!$s) {
logger("API could not be queried", LOGGER_DEBUG);
return;
}
$data = json_decode($s);
if ($data->status->code != "200") {
logger("API returned error ".$data->status->code." ".$data->status->message, LOGGER_DEBUG);
return;
}
if (($data->total_results == 0) || (count($data->results) == 0)) {
logger("No results found for coordinates ".$item["coord"], LOGGER_DEBUG);
return;
}
$item["location"] = $data->results[0]->formatted;
logger("Got location for coordinates ".$coords[0]."-".$coords[1].": ".$item["location"], LOGGER_DEBUG);
if ($item["location"] != "")
Cache::set("geocoordinates:".$language.":".$coords[0]."-".$coords[1], $item["location"]);
}
function geocoordinates_post_hook($a, &$item)
{
geocoordinates_resolve_item($item);
}
function geocoordinates_addon_admin(&$a, &$o)
{
$t = get_markup_template("admin.tpl", "addon/geocoordinates/");
$o = replace_macros($t, [
'$submit' => L10n::t('Save Settings'),
'$api_key' => ['api_key', L10n::t('API Key'), Config::get('geocoordinates', 'api_key'), ''],
'$language' => ['language', L10n::t('Language code (IETF format)'), Config::get('geocoordinates', 'language'), ''],
]);
}
function geocoordinates_addon_admin_post(&$a)
{
$api_key = ((x($_POST, 'api_key')) ? notags(trim($_POST['api_key'])) : '');
Config::set('geocoordinates', 'api_key', $api_key);
$language = ((x($_POST, 'language')) ? notags(trim($_POST['language'])) : '');
Config::set('geocoordinates', 'language', $language);
info(L10n::t('Settings updated.'). EOL);
}