public IActionResult ShowChord([FromQuery] ShowChordParams parameters)
{
if (string.IsNullOrWhiteSpace(parameters.root))
{
return(RedirectToAction("Index"));
}
try
{
var id = $"{parameters.root}{parameters.@type}";
Chord chord;
if (!Chord.TryParse(id, parameters.conv, out chord))
{
TempData["ErrorMessage"] = $"{id} is not a valid chord";
return(RedirectToAction("Index"));
}
var chordDecorator = new ChordDecorator(chord, parameters.conv);
parameters.root = chord.Root.ToString(parameters.conv);
parameters.@type = chord.ChordType.ToDescription();
ViewData["parameters"] = parameters;
return(View(chordDecorator));
}
catch (Exception ex)
{
TempData["ErrorMessage"] = ex.Message;
return(RedirectToAction("Index"));
}
}
public IActionResult ShowChordLayouts([FromQuery] ShowChordParams parameters)
{
if (string.IsNullOrWhiteSpace(parameters.root))
{
return(BadRequest());
}
if (!IsAjax())
{
return(BadRequest());
}
var cacheId = parameters.ToString();
var result = _cache.GetOrCreate(cacheId, entry =>
{
try
{
var chordSymbol = $"{parameters.root}{parameters.@type}";
Chord chord;
if (!Chord.TryParse(chordSymbol, parameters.conv, out chord))
{
return(null);
}
var chordDecorator = new ChordDecorator(chord, parameters.conv);
var layouts = chordDecorator.GenerateLayouts(true, parameters.special, parameters.@partial, 10);
return(layouts);
}
catch (Exception)
{
return(null);
}
});
if (result == null)
{
return(BadRequest());
}
return(PartialView(result));
}
public IActionResult FindChord([FromQuery] string sequence, [FromQuery] NamingConvention conv, [FromQuery] bool strict)
{
ViewData["conv"] = Helper.NamingConventionList(conv);
if (sequence == null)
{
if (IsAjax())
{
return(new EmptyResult());
}
return(View("FindChord", string.Empty));
}
var tokens = sequence.Split(new [] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
Note note;
var notes = tokens.Select(i => Note.TryParse(i, conv, out note) ? note : null)
.Where(i => i != null)
.ToArray();
var chords = Chord.Find(notes, strict);
if (!chords.Any())
{
return(StatusCode(StatusCodes.Status404NotFound, "No chord found"));
}
var chordDecorator = chords[0] != null ? new ChordDecorator(chords[0], conv) : null;
ViewData["sequence"] = sequence;
ViewData["parameters"] = new ShowChordParams
{
root = chords[0].Root.ToString(conv),
@type = chords[0].ChordType.ToDescription(),
@partial = true,
conv = conv
};
if (IsAjax())
{
return(PartialView("ShowChord", chordDecorator));
}
return(View("FindChord", sequence));
}
