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Code Issues Releases Wiki Activity

Old config file values are removed on app start

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This commit is contained in:
Mark McDowall 2013-08-24 23:05:49 -07:00
parent c179e715a6
commit b71518a803
1 changed files with 35 additions and 4 deletions
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39
NzbDrone.Core/Configuration/ConfigFileProvider.cs
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@ -8,10 +8,11 @@
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Common.Messaging;
using NzbDrone.Core.Configuration.Events;
using NzbDrone.Core.Lifecycle;
namespace NzbDrone.Core.Configuration
{
public interface IConfigFileProvider
public interface IConfigFileProvider : IHandleAsync<ApplicationStartedEvent>
{
Dictionary<string, object> GetConfigDictionary();
void SaveConfigDictionary(Dictionary<string, object> configValues);
@ -27,6 +28,8 @@ public interface IConfigFileProvider
public class ConfigFileProvider : IConfigFileProvider
{
private const string CONFIG_ELEMENT_NAME = "Config";
private readonly IAppFolderInfo _appFolderInfo;
private readonly IMessageAggregator _messageAggregator;
private readonly ICached<string> _cache;
@ -138,7 +141,7 @@ public string GetValue(string key, object defaultValue)
EnsureDefaultConfigFile();
var xDoc = XDocument.Load(_configFile);
var config = xDoc.Descendants("Config").Single();
var config = xDoc.Descendants(CONFIG_ELEMENT_NAME).Single();
var parentContainer = config;
@ -160,7 +163,7 @@ public void SetValue(string key, object value)
EnsureDefaultConfigFile();
var xDoc = XDocument.Load(_configFile);
var config = xDoc.Descendants("Config").Single();
var config = xDoc.Descendants(CONFIG_ELEMENT_NAME).Single();
var parentContainer = config;
@ -191,9 +194,37 @@ private void EnsureDefaultConfigFile()
if (!File.Exists(_configFile))
{
var xDoc = new XDocument(new XDeclaration("1.0", "utf-8", "yes"));
xDoc.Add(new XElement("Config"));
xDoc.Add(new XElement(CONFIG_ELEMENT_NAME));
xDoc.Save(_configFile);
}
}
private void DeleteOldValues()
{
EnsureDefaultConfigFile();
var xDoc = XDocument.Load(_configFile);
var config = xDoc.Descendants(CONFIG_ELEMENT_NAME).Single();
var type = GetType();
var properties = type.GetProperties();
foreach (var configValue in config.Descendants().ToList())
{
var name = configValue.Name.LocalName;
if (!properties.Any(p => p.Name == name))
{
config.Descendants(name).Remove();
}
}
xDoc.Save(_configFile);
}
public void HandleAsync(ApplicationStartedEvent message)
{
DeleteOldValues();
}
}
}