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package server;
import haxe.Json;
import haxe.io.Path;
import sys.FileSystem;
import sys.io.File;
using Lambda;
using StringTools;
class Logger {
final folder:String;
final maxCount:Int;
final verbose:Bool;
final logs:Array<ServerEvent> = [];
final matchFileFormat = ~/[0-9_-]+\.json$/;
public function new(folder:String, maxCount:Int, verbose:Bool):Void {
this.folder = folder;
this.maxCount = maxCount;
this.verbose = verbose;
}
public function log(event:ServerEvent):Void {
logs.push(event);
if (logs.length > 1000) logs.shift();
}
public function saveLog():Void {
if (logs.length == 0) return;
Utils.ensureDir(folder);
removeOldestLog(folder);
final name = DateTools.format(Date.now(), "%Y-%m-%d_%H_%M_%S");
File.saveContent('$folder/$name.json', Json.stringify(logs, filterNulls, "\t"));
}
public function getLogs():Array<ServerEvent> {
return logs;
}
public function filterNulls(key:Any, value:Any):Any {
#if js
if (value == null) return js.Lib.undefined;
#end
return value;
}
function removeOldestLog(folder:String):Void {
final names = FileSystem.readDirectory(folder);
if (names.count(item -> matchFileFormat.match(item)) < maxCount) return;
var minDate = 0.0;
var fileName:String = null;
for (name in names) {
final date = extractFileDate(name).getTime();
if (minDate == 0 || minDate > date) {
minDate = date;
fileName = name;
}
}
if (fileName == null) return;
FileSystem.deleteFile('$folder/$fileName');
}
function extractFileDate(name:String):Date {
name = Path.withoutExtension(name);
final t = name.split("_");
final d = t.shift().split("-");
if (d.length != 3 && t.length != 3) return Date.fromTime(0);
final s = '${d[0]}-${d[1]}-${d[2]} ${t[0]}:${t[1]}:${t[2]}';
return Date.fromString(s);
}
}
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