66 lines
1.7 KiB
PHP
66 lines
1.7 KiB
PHP
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<?php
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require_once __DIR__ . "/FixPhrase.lib.php";
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/**
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* Build and send a simple JSON response.
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* @param string $msg A message
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* @param string $status "OK" or "ERROR"
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* @param array $data More JSON data
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*/
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function sendJsonResp(string $msg = null, string $status = "OK", array $data = null) {
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$resp = [];
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if (!is_null($data)) {
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$resp = $data;
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}
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if (!is_null($msg)) {
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$resp["msg"] = $msg;
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}
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$resp["status"] = $status;
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header("Content-Type: application/json");
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exit(json_encode($resp));
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}
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function exitWithJson(array $json) {
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header("Content-Type: application/json");
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exit(json_encode($json));
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}
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$output = [];
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try {
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if (!empty($_GET["words"])) {
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// convert words to coordinates
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$words = urldecode($_GET["words"]);
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$coords = FixPhrase::decode($words);
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$output = [
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"status" => "OK",
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"action" => "decodeFromWords",
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"words" => $words,
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"coords" => $coords
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];
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} else if (!empty($_GET["latitude"]) && !empty($_GET["longitude"])) {
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// convert coordinates to words
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$lat = round($_GET["latitude"], 4);
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$lon = round($_GET["longitude"], 4);
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$words = FixPhrase::encode($lat, $lon);
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$output = [
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"status" => "OK",
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"action" => "encodeToWords",
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"words" => $words,
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"coords" => [
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$lat,
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$lon
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]
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];
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} else {
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throw new Exception("Must supply either a string of words or a latitude/longitude pair.");
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}
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} catch (Exception $ex) {
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sendJsonResp($ex->getMessage(), "ERROR");
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}
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exitWithJson($output);
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