public DownVoteViewModel(DownvoteReasonWindow downvoteReasonWindow)
{
this.downvoteReasonWindow = downvoteReasonWindow;
}
/// <summary>
/// Casts a vote
/// </summary>
/// <param name="args"></param>
/// <param name="api">API to use to vote</param>
/// <param name="db">Optional DB to mark as Read</param>
/// <returns>Throws exception on errors</returns>
public static async Task Vote(ButtonClickedEventArgs args, IDevRantClient api, IPersistentDataStore db = null)
{
Vote vote = null;
Votable votable = args.SelectedItem as Votable;
if (votable.Voted == VoteState.Disabled)
{
return;
}
if (votable != null)
{
switch (args.Type)
{
case ButtonType.Down:
if (votable.Voted == VoteState.Down)
{
vote = Dtos.Vote.ClearVote();
}
else
{
var dlg = new DownvoteReasonWindow();
dlg.Topmost = true;
dlg.ShowDialog();
if (dlg.Reason != null)
{
vote = Dtos.Vote.DownVote(dlg.Reason.Value);
}
else
{
return;
}
}
break;
case ButtonType.Up:
if (votable.Voted == VoteState.Up)
{
vote = Dtos.Vote.ClearVote();
}
else
{
vote = Dtos.Vote.UpVote();
}
break;
}
FeedItem item = args.SelectedItem as FeedItem;
switch (args.SelectedItem.Type)
{
case FeedItem.FeedItemType.Post:
var rant = item.AsRant();
var r1 = await api.User.VoteRant(rant.ID, vote);
rant.Update(r1);
rant.Read = true;
if (db != null)
{
db.MarkRead(rant.ID);
}
break;
case FeedItem.FeedItemType.Collab:
var collab = item.AsCollab();
var r2 = await api.User.VoteCollab(collab.ID, vote);
collab.Update(r2);
break;
case FeedItem.FeedItemType.Comment:
var comment = item.AsComment();
var r3 = await api.User.VoteComment(comment.ID, vote);
comment.Update(r3);
break;
}
args.InvokeCallback();
}
}
