public static async Task <Album> Create(DBContext context, AlbumPostData post_data)
{
Album newAlbum = null;
try
{
// Check and make sure there's not an existing album with that name
if (context.Albums.FirstOrDefault <Album>(a => a.Name == post_data.Name) != null)
{
return(newAlbum);
}
newAlbum = new Album();
newAlbum.Name = post_data.Name;
newAlbum.Description = post_data.Description;
newAlbum.Created = DateTime.Now;
newAlbum.Updated = DateTime.Now;
context.Albums.Add(newAlbum);
await context.SaveChangesAsync();
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
return(newAlbum);
}
public async Task <IActionResult> UpdateAlbum(AlbumPostData post_data)
{
dynamic retVal = new ExpandoObject();
retVal.album = await Album.Update(_context, this, post_data);
retVal.success = retVal.album != null;
return(Json(retVal));
}
public async Task <IActionResult> DeleteAlbum(AlbumPostData post_data)
{
dynamic retVal = new ExpandoObject();
retVal.success = await Album.Delete(_context, post_data.ID);
retVal.album_id = post_data.ID;
if (!retVal.success)
{
retVal.response = string.Format("Unable to Delete Album ID [{0}].", post_data.ID);
}
return(Json(retVal));
}
public static async Task <Album> Update(DBContext context, Controller controller, AlbumPostData post_data)
{
Album update_album = null;
try
{
// Make sure there's not an album with this name already
if (context.Albums.FirstOrDefault <Album>(a => a.Name == post_data.Name && a.ID != post_data.ID) != null)
{
return(update_album);
}
update_album = await context.Albums.SingleOrDefaultAsync(A => A.ID == post_data.ID);
update_album.Name = post_data.Name;
update_album.Description = post_data.Description;
update_album.Updated = DateTime.Now;
if (await controller.TryUpdateModelAsync <Album>(update_album, "", a => a.Name, a => a.Description, a => a.Updated))
{
try
{
await context.SaveChangesAsync();
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
return(update_album);
}