private async Task GetRelatedTweetsAsync(RelatedPostsTabModel tab)
{
await this.workerSemaphore.WaitAsync();
try
{
await tab.RefreshAsync(this.tw, this._initial, this.workerProgress);
this.RefreshTimeline();
}
catch (WebApiException ex)
{
this._myStatusError = true;
this.StatusLabel.Text = $"Err:{ex.Message}(GetRelatedTweets)";
}
finally
{
this.workerSemaphore.Release();
}
}
public async Task GetRelatedResult(bool read, RelatedPostsTabModel tab)
{
var targetPost = tab.TargetPost;
var relPosts = new Dictionary<Int64, PostClass>();
if (targetPost.TextFromApi.Contains("@") && targetPost.InReplyToStatusId == null)
{
//検索結果対応
var p = TabInformations.GetInstance()[targetPost.StatusId];
if (p != null && p.InReplyToStatusId != null)
{
targetPost = p;
}
else
{
p = await this.GetStatusApi(read, targetPost.StatusId)
.ConfigureAwait(false);
targetPost = p;
}
}
relPosts.Add(targetPost.StatusId, targetPost);
Exception lastException = null;
// in_reply_to_status_id を使用してリプライチェインを辿る
var nextPost = FindTopOfReplyChain(relPosts, targetPost.StatusId);
var loopCount = 1;
while (nextPost.InReplyToStatusId != null && loopCount++ <= 20)
{
var inReplyToId = nextPost.InReplyToStatusId.Value;
var inReplyToPost = TabInformations.GetInstance()[inReplyToId];
if (inReplyToPost == null)
{
try
{
inReplyToPost = await this.GetStatusApi(read, inReplyToId)
.ConfigureAwait(false);
}
catch (WebApiException ex)
{
lastException = ex;
break;
}
}
relPosts.Add(inReplyToPost.StatusId, inReplyToPost);
nextPost = FindTopOfReplyChain(relPosts, nextPost.StatusId);
}
//MRTとかに対応のためツイート内にあるツイートを指すURLを取り込む
var text = targetPost.Text;
var ma = Twitter.StatusUrlRegex.Matches(text).Cast<Match>()
.Concat(Twitter.ThirdPartyStatusUrlRegex.Matches(text).Cast<Match>());
foreach (var _match in ma)
{
Int64 _statusId;
if (Int64.TryParse(_match.Groups["StatusId"].Value, out _statusId))
{
if (relPosts.ContainsKey(_statusId))
continue;
var p = TabInformations.GetInstance()[_statusId];
if (p == null)
{
try
{
p = await this.GetStatusApi(read, _statusId)
.ConfigureAwait(false);
}
catch (WebApiException ex)
{
lastException = ex;
break;
}
}
if (p != null)
relPosts.Add(p.StatusId, p);
}
}
relPosts.Values.ToList().ForEach(p =>
{
if (p.IsMe && !read && this._readOwnPost)
p.IsRead = true;
else
p.IsRead = read;
tab.AddPostQueue(p);
});
if (lastException != null)
throw new WebApiException(lastException.Message, lastException);
}
/// <summary>
/// 指定されたツイートに対する関連発言タブを開きます
/// </summary>
/// <param name="post">表示する対象となるツイート</param>
/// <exception cref="TabException">名前の重複が多すぎてタブを作成できない場合</exception>
private async Task OpenRelatedTab(PostClass post)
{
var tabRelated = this._statuses.GetTabByType<RelatedPostsTabModel>();
if (tabRelated != null)
{
this.RemoveSpecifiedTab(tabRelated.TabName, confirm: false);
}
var tabName = this._statuses.MakeTabName("Related Tweets");
tabRelated = new RelatedPostsTabModel(tabName, post);
tabRelated.UnreadManage = false;
tabRelated.Notify = false;
this._statuses.AddTab(tabRelated);
this.AddNewTab(tabRelated, startup: false);
TabPage tabPage;
for (int i = 0; i < this.ListTab.TabPages.Count; i++)
{
tabPage = this.ListTab.TabPages[i];
if (tabName == tabPage.Text)
{
this.ListTab.SelectedIndex = i;
break;
}
}
await this.GetRelatedTweetsAsync(tabRelated);
tabPage = this.ListTab.TabPages.Cast<TabPage>()
.FirstOrDefault(x => x.Text == tabRelated.TabName);
if (tabPage != null)
{
// TODO: 非同期更新中にタブが閉じられている場合を厳密に考慮したい
var listView = (DetailsListView)tabPage.Tag;
var targetPost = tabRelated.TargetPost;
var index = tabRelated.IndexOf(targetPost.RetweetedId ?? targetPost.StatusId);
if (index != -1 && index < listView.Items.Count)
{
listView.SelectedIndices.Add(index);
listView.Items[index].Focused = true;
}
}
}
