public IActionResult EditArtist(ArtistModIndexModel model)
{
if (model == null)
{
RedirectToAction("ArtistMod", new { id = model.Artist.Id });
}
var artistModel = model.Artist;
var genreModel = model.Genres;
//var musicianModel = model.Musicians; //not editing musicians here - model will be passed but will be null
//update the artist - populate an Artist instance with values from the form
var artist = new Artist
{
Id = artistModel.Id,
ArtistName = artistModel.ArtistName,
Bio = artistModel.Bio,
YrFormed = artistModel.YrFormed,
YrEnded = artistModel.YrEnded,
HomeCountry = artistModel.HomeCountry,
HomeTown = artistModel.HomeTown,
isActive = artistModel.isActive
};
_artist.Update(artist);
//now update the genre list ...
var genres = genreModel.Select
(g => new GenreListingModel
{
Id = g.Id,
Name = g.Name,
isMarked = g.isMarked
}
).ToList();
//... so loop through returned genres model to update table...
foreach (var g in genres)
{
if (_artistGenre.isMarked(g.Id, model.Artist.Id))
{
//marked is true in DB, so now determine the appropriate action
if (!g.isMarked)
{
//it has been unchecked, so remove the row in the DB
_artistGenre.Delete(g.Id, model.Artist.Id);
} // else - it is checked = NO ACTION REQD.
}
else
{
//marked is false in DB, so now determine the appropriate action
if (g.isMarked)
{
//it has been checked, so add the row in the DB
_artistGenre.Add(g.Id, model.Artist.Id);
} // else - it is unchecked = NO ACTION REQD.
}
}
@ViewBag.Message = "Saved";
//should we be handling genre checkbox updates via onclick="this.form.submit();" ??
return(RedirectToAction("Index", "ArtistMod", new { id = model.Artist.Id }));
}
