/// <summary>
/// Reads the items and their metadata from a MPD response
/// </summary>
/// <returns>List of MPD items with metadata</returns>
public IEnumerable <IItem> GetListedTracks()
{
var result = new List <IItem>();
var builder = new TrackBuilder();
foreach (var kv in _valueList)
{
if (kv.Key.Equals(ResponseParserKeys.File))
{
if (!builder.IsEmpty())
{
result.Add(builder.Get());
}
builder.New(kv.Value);
}
else
{
if (!builder.IsEmpty())
{
builder.Add(kv);
}
}
}
if (!builder.IsEmpty())
{
result.Add(builder.Get());
}
return(result);
}
/// <summary>
/// Parses a directory list MPD response into directory and item DTOs
/// TODO: add playlist recognition
/// TODO: recreate dir structure
/// </summary>
/// <param name="path">The requested path from the command</param>
/// <returns>IDirectory instance</returns>
public IDirectory GetDirectoryListing(string path = "")
{
var split = splitPath(path);
var result = new Directory {
Name = split.Last(), Path = path
};
var builder = new TrackBuilder();
// we will skip the first line of the response containing the entry for the requested dir
var skip = 1;
// check if there is a second line wit a datetime for the requested dir
if (_valueList.Count >= 2 && _valueList.ElementAt(1).Key.ToLower().StartsWith(ResponseParserKeys.LastModified))
{
result.LastModified = GetLastModified(_valueList.ElementAt(1).Value);
// if yes, skip this line as well
skip = 2;
}
// the current dir being looked at
IDirectory currentDirectory = null;
// keeps track if the current section is a directory or not
bool currentSectionIsDirectory = true;
foreach (var kv in _valueList.Skip(skip))
{
var key = kv.Key.ToLower();
// if we have been collecting metadata for a file and now there is a new file/directory section,
// add the current file to the currently parsed direcory
if (key == ResponseParserKeys.Directory || key == ResponseParserKeys.File)
{
if (!builder.IsEmpty())
{
if (currentDirectory == null)
{
result.Files.Add(builder.Get());
}
else
{
currentDirectory.Files.Add(builder.Get());
}
builder.Clear();
}
// only do it if the current dir is _not_ the main entry dir
if (currentDirectory != null)
{
result.Directories.Add(currentDirectory);
}
}
// a new directory section begins
// start a new directory dto, add the last one to the main directory
if (key == ResponseParserKeys.Directory)
{
currentSectionIsDirectory = true;
var newDirValues = splitPath(kv.Value);
currentDirectory = new Directory {
Name = newDirValues.Last(), Path = kv.Value
};
}
// a new file section begins
// start a new file dto
else if (key == ResponseParserKeys.File)
{
currentSectionIsDirectory = false;
// having added the last file to the current dir at the top,
// we start reading a new one here
builder.New(kv.Value);
}
// neither file nor dir, this is a metadata value for something.
// add data to the current file, unless we are in a directory section
else
{
if (currentSectionIsDirectory)
{
// in directory sections, this can only be a last-modified
if (key == ResponseParserKeys.LastModified)
{
currentDirectory.LastModified = GetLastModified(kv.Value);
}
}
else
{
builder.Add(kv);
}
}
}
// add the last element in the pipeline
if (!currentSectionIsDirectory && !builder.IsEmpty())
{
currentDirectory.Files.Add(builder.Get());
}
if (currentSectionIsDirectory && currentDirectory != null)
{
result.Directories.Add(currentDirectory);
}
return(result);
}