Radarr/NzbDrone.Core/Providers/RootDirProvider.cs

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using System;
using System.Collections.Generic;
using System.IO;
using Ninject;
using NLog;
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using NzbDrone.Common;
using NzbDrone.Core.Providers.Core;
using NzbDrone.Core.Repository;
using PetaPoco;
namespace NzbDrone.Core.Providers
{
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public class RootDirProvider
{
private readonly IDatabase _database;
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
private readonly DiskProvider _diskProvider;
private readonly SeriesProvider _seriesProvider;
[Inject]
public RootDirProvider(IDatabase database, SeriesProvider seriesProvider, DiskProvider diskProvider)
{
_database = database;
_diskProvider = diskProvider;
_seriesProvider = seriesProvider;
}
#region IRootDirProvider
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public virtual List<RootDir> GetAll()
{
return _database.Fetch<RootDir>();
}
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public virtual int Add(RootDir rootDir)
{
ValidatePath(rootDir);
return Convert.ToInt32(_database.Insert(rootDir));
}
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public virtual void Remove(int rootDirId)
{
_database.Delete<RootDir>(rootDirId);
}
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private static void ValidatePath(RootDir rootDir)
{
if (String.IsNullOrWhiteSpace(rootDir.Path) || !Path.IsPathRooted(rootDir.Path))
{
throw new ArgumentException("Invalid path");
}
}
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public virtual RootDir GetRootDir(int rootDirId)
{
return _database.SingleOrDefault<RootDir>(rootDirId);
}
public List<String> GetUnmappedFolders(string path)
{
Logger.Debug("Generating list of unmapped folders");
if (String.IsNullOrEmpty(path))
throw new ArgumentException("Invalid path provided", "path");
var results = new List<String>();
if (!_diskProvider.FolderExists(path))
{
Logger.Debug("Path supplied does not exist: {0}", path);
return results;
}
foreach (string seriesFolder in _diskProvider.GetDirectories(path))
{
if (!_seriesProvider.SeriesPathExists(seriesFolder))
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{
results.Add(seriesFolder.Normalize());
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}
}
Logger.Debug("{0} unmapped folders detected.", results.Count);
return results;
}
public virtual string GetMostFreeRootDir()
{
ulong maxSize = 0;
var maxPath = String.Empty;
var rootDirs = GetAll();
foreach (var rootDir in rootDirs)
{
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rootDir.FreeSpace = _diskProvider.FreeDiskSpace(new DirectoryInfo(rootDir.Path));
if (rootDir.FreeSpace > maxSize)
{
maxPath = rootDir.Path;
maxSize = rootDir.FreeSpace;
}
}
return maxPath;
}
#endregion
}
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}