public async Task <SongEdit> EditSong([FromBody] Song song)
{
var user = await GetUserOrThrow();
if (song.Id == null)
{
throw new ArgumentException("Song must have an ID");
}
var existingSong = await DbSession.LoadRequiredAsync <Song>(song.Id);
var songEditId = GetSongEditId(existingSong.Id !, user.Id);
var songEdit = new SongEdit(existingSong, song)
{
Id = songEditId,
UserId = user.Id
};
if (songEdit.HasAnyChanges())
{
// Admins don't need approval; apply the change straight away.
if (user.IsAdmin())
{
songEdit.Apply(existingSong);
}
else // the user isn't an admin.
{
// Store the song edit and await admin approval.
await DbSession.StoreAsync(songEdit);
DbSession.SetRavenExpiration(songEdit, DateTime.UtcNow.AddDays(30 * 6));
// Notify admins that a new song edit needs approval.
var admins = await DbSession.Query <AppUser>()
.Where(u => u.Roles.Contains(AppUser.AdminRole))
.ToListAsync();
var editNeedsApprovalNotification = Notification.SongEditsNeedApproval(appOptions.PushNotificationsImageUrl);
foreach (var admin in admins)
{
// If the admin already has a "song edits need approval" notification item, replace it with the unread one.
var existing = admin.Notifications.FirstOrDefault(n => n.Title == editNeedsApprovalNotification.Title);
if (existing != null)
{
admin.Notifications.Remove(existing);
}
admin.AddNotification(editNeedsApprovalNotification);
}
}
}
return(songEdit);
}
public async Task <SongEdit> Approve([FromBody] SongEdit songEdit)
{
var song = await DbSession.LoadAsync <Song>(songEdit.SongId);
if (song != null)
{
songEdit.Apply(song);
songEdit.Status = SongEditStatus.Approved;
await DbSession.StoreAsync(songEdit);
logger.LogInformation("Applied song edit", songEdit);
// Notify the user.
var user = await DbSession.LoadAsync <AppUser>(songEdit.UserId);
user?.AddNotification(Notification.SongEditApproved(song));
}
return(songEdit);
}