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using System.Collections.Generic;
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using System.Linq;
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using NLog;
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using NLog.Config;
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using NzbDrone.Core.Configuration;
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using NzbDrone.Core.Configuration.Events;
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using NzbDrone.Core.Messaging.Events;
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namespace NzbDrone.Core.Instrumentation
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{
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public class ReconfigureLogging : IHandleAsync<ConfigFileSavedEvent>
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{
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private readonly IConfigFileProvider _configFileProvider;
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public ReconfigureLogging(IConfigFileProvider configFileProvider)
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{
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_configFileProvider = configFileProvider;
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}
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public void Reconfigure()
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{
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var minimumLogLevel = LogLevel.FromString(_configFileProvider.LogLevel);
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var rules = LogManager.Configuration.LoggingRules;
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//Console
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SetMinimumLogLevel(rules, "consoleLogger", minimumLogLevel);
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//Log Files
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SetMinimumLogLevel(rules, "appFileInfo", minimumLogLevel <= LogLevel.Info ? LogLevel.Info : LogLevel.Off);
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SetMinimumLogLevel(rules, "appFileDebug", minimumLogLevel <= LogLevel.Debug ? LogLevel.Debug : LogLevel.Off);
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SetMinimumLogLevel(rules, "appFileTrace", minimumLogLevel <= LogLevel.Trace ? LogLevel.Trace : LogLevel.Off);
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LogManager.ReconfigExistingLoggers();
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}
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private void SetMinimumLogLevel(IList<LoggingRule> rules, string target, LogLevel minimumLogLevel)
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{
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foreach (var rule in rules.Where(v => v.Targets.Any(t => t.Name == target)))
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{
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SetMinimumLogLevel(rule, minimumLogLevel);
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}
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}
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private void SetMinimumLogLevel(LoggingRule rule, LogLevel minimumLogLevel)
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{
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foreach (var logLevel in GetLogLevels())
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{
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if (logLevel < minimumLogLevel)
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{
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rule.DisableLoggingForLevel(logLevel);
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}
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else
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{
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rule.EnableLoggingForLevel(logLevel);
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}
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}
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}
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private List<LogLevel> GetLogLevels()
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{
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return new List<LogLevel>
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{
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LogLevel.Trace,
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LogLevel.Debug,
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LogLevel.Info,
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LogLevel.Warn,
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LogLevel.Error,
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LogLevel.Fatal
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};
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}
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public void HandleAsync(ConfigFileSavedEvent message)
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{
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Reconfigure();
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}
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}
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}
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