public EditPostWindowViewModel(Window window, EditPostWindow.Type type, Draft existing = null, Commentable parent = null, FeedItem edit = null)
{
this.window = window;
this.api = AppManager.Instance.API;
this.db = AppManager.Instance.DB;
this.type = type;
this.existing = existing;
this.parent = parent;
this.editing = edit;
Cancelled = true;
if (parent != null)
{
mode = Mode.NewComment;
ViewModels.Comment comment = parent as ViewModels.Comment;
if (comment != null)
{
if (AppManager.Instance.API.User.LoggedInUser != comment.Username)
{
Text = "@" + comment.Username + " ";
}
}
}
else if (existing != null)
{
mode = Mode.EditDraft;
Text = existing.Text;
TagsString = existing.Tags;
ImagePath = existing.ImagePath;
}
else if (edit != null)
{
mode = Mode.EditExisting;
var r = edit.AsRant();
var comment = edit.AsComment();
if (r != null)
{
Text = r.Text;
TagsString = r.TagsString;
}
else if (comment != null)
{
Text = comment.Text;
}
else
{
throw new NotSupportedException();
}
}
}
private void RantControl_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue != null)
{
this.item = e.NewValue as FeedItem;
Rant r = item as Rant;
if (r != null)
{
if (r.Username == AppManager.Instance.API.User.LoggedInUser)
{
ByUser = true;
}
ReplyVisibility = Visibility.Visible;
UpdateText = r.UpdateText;
}
TagsVisibility = Utilities.ConvertToVisibility(r != null && !string.IsNullOrEmpty(r.TagsString));
CommentsVisibility = Utilities.ConvertToVisibility(r != null);
Comment comment = item.AsComment();
if (comment != null)
{
if (comment.Username == AppManager.Instance.API.User.LoggedInUser)
{
ByUser = true;
}
ReplyVisibility = Utilities.ConvertToVisibility(!ByUser);
}
ModifyVisibility = Utilities.ConvertToVisibility(ByUser);
DeleteVisibility = ModifyVisibility;
var hasAvatar = item as Dtos.HasAvatar;
if (AppManager.Instance.API != null && UsernameVisibility == Visibility.Visible && hasAvatar != null)
{
Avatar = AppManager.Instance.API.GetAvatar(hasAvatar.AvatarImage);
}
}
}
/// <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();
}
}
private async void Post()
{
try
{
string tmp = Utilities.ReplaceNewLines(Text);
if (string.IsNullOrEmpty(tmp) || tmp.Length < 5)
{
throw new Exception("Rant or comment must be more than 5 characters long.");
}
PostContent data = new PostContent(tmp);
if (type == EditPostWindow.Type.Rant && !string.IsNullOrEmpty(TagsString))
{
data.SetTag(TagsString);
}
if (!string.IsNullOrEmpty(ImagePath))
{
byte[] bytes = File.ReadAllBytes(ImagePath);
data.AddImage(bytes, ImagePath);
}
window.IsEnabled = false;
if (type == EditPostWindow.Type.Rant)
{
if (editing != null)
{
api.User.EditRant(editing.AsRant().ID, data);
}
else
{
await api.User.PostRant(data);
}
if (existing != null)
{
db.RemoveDraft(existing.ID.Value);
}
}
else if (type == EditPostWindow.Type.Comment)
{
if (editing != null)
{
api.User.EditComment(editing.AsComment().ID, data);
}
else
{
await api.User.PostComment(parent.RantId, data);
}
}
Cancelled = false;
window.Close();
}
catch (Exception e)
{
MessageBoxFactory.ShowError(e, owner: window);
}
finally
{
window.IsEnabled = true;
}
}
