public HttpResponseMessage PutSong(int id, Song songEntity)
{
if (id <= 0)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest,
"The id of the song must be positive");
return(errResponse);
}
try
{
var entity = this.songRepository.Update(id, songEntity);
var response = this.Request.CreateResponse(HttpStatusCode.OK, SongModel.CreateFromSongEntity(entity));
response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = entity.SongId }));
return(response);
}
catch (DbUpdateConcurrencyException)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.InternalServerError,
"The song could not be updated because of a concurrency problem");
return(errResponse);
}
catch (NullReferenceException)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest,
"There is no song with id=" + id);
return(errResponse);
}
}
public IEnumerable <SongModel> GetAll()
{
var entities = this.songRepository.GetAll();
List <SongModel> models = new List <SongModel>();
foreach (var entity in entities)
{
models.Add(SongModel.CreateFromSongEntity(entity));
}
return(models);
}
public SongModel GetById(int id)
{
if (id <= 0)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest,
"The id of the song must be positive");
throw new HttpResponseException(errResponse);
}
var entity = this.songRepository.GetById(id);
if (entity != null)
{
SongModel model = SongModel.CreateFromSongEntity(entity);
return(model);
}
else
{
return(null);
}
}
public HttpResponseMessage PostSong(Song songEntity)
{
if (songEntity == null || songEntity.Title == null)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, "The song is invalid");
return(errResponse);
}
try
{
var entity = this.songRepository.Add(songEntity);
var response = this.Request.CreateResponse(HttpStatusCode.Created, SongModel.CreateFromSongEntity(entity));
response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = entity.SongId }));
return(response);
}
catch (DbUpdateConcurrencyException)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.InternalServerError,
"The song could not be added because of a concurrency problem");
return(errResponse);
}
}
