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Lidarr/NzbDrone.Core/Configuration/ConfigFileProvider.cs

191 lines
5.6 KiB

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Xml.Linq;
using NzbDrone.Common;
using NzbDrone.Common.Cache;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Common.Model;
namespace NzbDrone.Core.Configuration
{
public interface IConfigFileProvider
{
Dictionary<string, object> GetConfigDictionary();
void SaveConfigDictionary(Dictionary<string, object> configValues);
int Port { get; set; }
bool LaunchBrowser { get; set; }
AuthenticationType AuthenticationType { get; set; }
string BasicAuthUsername { get; set; }
string BasicAuthPassword { get; set; }
}
public class ConfigFileProvider : IConfigFileProvider
{
private readonly IAppFolderInfo _appFolderInfo;
private readonly ICached<string> _cache;
private readonly string _configFile;
public ConfigFileProvider(IAppFolderInfo appFolderInfo, ICacheManger cacheManger)
{
_appFolderInfo = appFolderInfo;
_cache = cacheManger.GetCache<string>(this.GetType());
_configFile = _appFolderInfo.GetConfigPath();
}
public Dictionary<string, object> GetConfigDictionary()
{
var dict = new Dictionary<string, object>(StringComparer.InvariantCultureIgnoreCase);
var type = GetType();
var properties = type.GetProperties();
foreach (var propertyInfo in properties)
{
var value = propertyInfo.GetValue(this, null);
dict.Add(propertyInfo.Name, value);
}
return dict;
}
public void SaveConfigDictionary(Dictionary<string, object> configValues)
{
_cache.Clear();
var allWithDefaults = GetConfigDictionary();
foreach (var configValue in configValues)
{
object currentValue;
allWithDefaults.TryGetValue(configValue.Key, out currentValue);
if (currentValue == null) continue;
var equal = configValue.Value.ToString().Equals(currentValue.ToString());
if (!equal)
{
SetValue(configValue.Key.FirstCharToUpper(), configValue.Value.ToString());
}
}
}
public int Port
{
get { return GetValueInt("Port", 8989); }
set { SetValue("Port", value); }
}
public bool LaunchBrowser
{
get { return GetValueBoolean("LaunchBrowser", true); }
set { SetValue("LaunchBrowser", value); }
}
public AuthenticationType AuthenticationType
{
get { return GetValueEnum("AuthenticationType", AuthenticationType.Anonymous); }
set { SetValue("AuthenticationType", value); }
}
public string BasicAuthUsername
{
get { return GetValue("BasicAuthUsername", ""); }
set { SetValue("BasicAuthUsername", value); }
}
public string BasicAuthPassword
{
get { return GetValue("BasicAuthPassword", ""); }
set { SetValue("BasicAuthPassword", value); }
}
public int GetValueInt(string key, int defaultValue)
{
return Convert.ToInt32(GetValue(key, defaultValue));
}
public bool GetValueBoolean(string key, bool defaultValue)
{
return Convert.ToBoolean(GetValue(key, defaultValue));
}
public T GetValueEnum<T>(string key, T defaultValue)
{
return (T)Enum.Parse(typeof(T), GetValue(key, defaultValue), true);
}
public string GetValue(string key, object defaultValue)
{
return _cache.Get(key, () =>
{
EnsureDefaultConfigFile();
var xDoc = XDocument.Load(_configFile);
var config = xDoc.Descendants("Config").Single();
var parentContainer = config;
var valueHolder = parentContainer.Descendants(key).ToList();
if (valueHolder.Count() == 1)
return valueHolder.First().Value;
//Save the value
SetValue(key, defaultValue);
//return the default value
return defaultValue.ToString();
});
}
public void SetValue(string key, object value)
{
EnsureDefaultConfigFile();
var xDoc = XDocument.Load(_configFile);
var config = xDoc.Descendants("Config").Single();
var parentContainer = config;
var keyHolder = parentContainer.Descendants(key);
if (keyHolder.Count() != 1)
{
parentContainer.Add(new XElement(key, value));
}
else
{
parentContainer.Descendants(key).Single().Value = value.ToString();
}
_cache.Set(key, value.ToString());
xDoc.Save(_configFile);
}
public void SetValue(string key, Enum value)
{
SetValue(key, value.ToString().ToLower());
}
private void EnsureDefaultConfigFile()
{
if (!File.Exists(_configFile))
{
var xDoc = new XDocument(new XDeclaration("1.0", "utf-8", "yes"));
xDoc.Add(new XElement("Config"));
xDoc.Save(_configFile);
}
}
}
}