private void DownloadProfilePicture(TwitterViewModel.StatusResponse status)
{
var path = WebHelpers.TwitterProfileImagePath;
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
try
{
var extension = Path.GetExtension(status.User.ProfileImageUrl);
var imagePath = Path.Combine(path, status.User.ScreenName + extension);
using (var client = new WebClient())
{
client.DownloadFile(status.User.ProfileImageUrl, imagePath);
}
ProfileImagePath = imagePath;
}
catch (Exception ex)
{
Log.TraceErr("TweetViewModel: Couldn't download profile picture from {0}. {1}", status.User.ProfileImageUrl, ex.ToString());
}
}
internal TweetViewModel(TwitterViewModel.StatusResponse status)
{
if (status == null)
{
throw new ArgumentNullException("status");
}
Created = DateTime.ParseExact(status.CreatedAt,
"ddd MMM dd HH:mm:ss zzz yyyy",
CultureInfo.InvariantCulture,
DateTimeStyles.AdjustToUniversal);;
var elapsed = DateTime.UtcNow - Created;
CreatedElapsed = elapsed.TotalMinutes < 60
? elapsed.Minutes + "m"
: (int)Math.Floor(elapsed.TotalHours) + "h";
Name = status.User.Name;
ScreenName = status.User.ScreenName;
_writableContents = new ObservableCollection <TweetSection>();
Contents = new ReadOnlyObservableCollection <TweetSection>(_writableContents);
ParseTweet(status);
}
private void ParseTweet(TwitterViewModel.StatusResponse status)
{
if (status.Entities == null)
{
_writableContents.Add(new TweetSection(status.FullText, TweetSectionType.Text));
return;
}
var tweetSections = new List <TweetSection>();
tweetSections.Add(new TweetSection(status.FullText, TweetSectionType.Text));
// Add all the HashTag sections
foreach (var hashTag in status.Entities.Hashtags.OrderByDescending(ht => ht.Text.Length))
{
UpdateListOfSections(hashTag.Text, TweetSectionType.HashTag, tweetSections);
}
// Add all the UserMention sections
foreach (var userMention in status.Entities.UserMentions.OrderByDescending(um => um.ScreenName.Length))
{
UpdateListOfSections(userMention.ScreenName, TweetSectionType.UserMention, tweetSections);
}
// Unescape strings
for (var i = 0; i < tweetSections.Count; i++)
{
var section = tweetSections[i];
if (section.Type != TweetSectionType.Text)
{
continue;
}
tweetSections[i] = new TweetSection(HttpUtility.HtmlDecode(section.Text), TweetSectionType.Text);
}
_writableContents.AddRange(tweetSections);
UpdateReplyingTo(status.ReplyingTo);
UpdateFormattedText();
DownloadProfilePicture(status);
}
