forked from friendica/friendica-addons
90 lines
2.8 KiB
PHP
90 lines
2.8 KiB
PHP
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<?php
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/**
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* Name: Geocoordinates
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* Description: Use the OpenCage Geocoder http://geocoder.opencagedata.com to resolve nearest populated location for given latitude, longitude. Derived from "geonames"
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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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function geocoordinates_install() {
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register_hook('post_local', 'addon/geocoordinates/geocoordinates.php', 'geocoordinates_post_hook');
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register_hook('post_remote', 'addon/geocoordinates/geocoordinates.php', 'geocoordinates_post_hook');
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}
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function geocoordinates_uninstall() {
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unregister_hook('post_local', 'addon/geocoordinates/geocoordinates.php', 'geocoordinates_post_hook');
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unregister_hook('post_remote', 'addon/geocoordinates/geocoordinates.php', 'geocoordinates_post_hook');
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}
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function geocoordinates_resolve_item(&$item) {
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if((!$item["coord"]) || ($item["location"]))
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return;
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$key = get_config("geocoordinates", "api_key");
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if ($key == "")
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return;
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$language = get_config("geocoordinates", "language");
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if ($language == "")
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$language = "de";
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$result = Cache::get("geocoordinates:".$language.":".$item["coord"]);
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if (!is_null($result)) {
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$item["location"] = $result;
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return;
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}
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$coords = explode(' ',$item["coord"]);
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$s = fetch_url("https://api.opencagedata.com/geocode/v1/json?q=".$coords[0].",".$coords[1]."&key=".$key."&language=".$language);
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if (!$s) {
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logger("API could not be queried", LOGGER_DEBUG);
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return;
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}
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$data = json_decode($s);
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if ($data->status->code != "200") {
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logger("API returned error ".$data->status->code." ".$data->status->message, LOGGER_DEBUG);
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return;
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}
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if (($data->total_results == 0) OR (count($data->results) == 0)) {
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logger("No results found", LOGGER_DEBUG);
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return;
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}
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$item["location"] = $data->results[0]->formatted;
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logger("Got location for coordinates ".$item["coord"].": ".$item["location"], LOGGER_DEBUG);
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if ($item["location"] != "")
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Cache::set("geocoordinates:".$language.":".$item["coord"], $item["location"]);
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}
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function geocoordinates_post_hook($a, &$item) {
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geocoordinates_resolve_item($item);
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}
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function geocoordinates_plugin_admin(&$a,&$o) {
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$t = get_markup_template("admin.tpl", "addon/geocoordinates/");
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$o = replace_macros($t, array(
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'$submit' => t('Save Settings'),
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'$api_key' => array('api_key', t('API Key'), get_config('geocoordinates', 'api_key' ), ''),
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'$language' => array('language', t('Language code (IETF format)'), get_config('geocoordinates', 'language' ), ''),
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));
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}
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function geocoordinates_plugin_admin_post(&$a) {
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$api_key = ((x($_POST,'api_key')) ? notags(trim($_POST['api_key'])) : '');
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set_config('geocoordinates','api_key',$api_key);
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$language = ((x($_POST,'language')) ? notags(trim($_POST['language'])) : '');
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set_config('geocoordinates','language',$language);
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info(t('Settings updated.'). EOL);
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}
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