/// <summary>
/// Searchs for the tweets containing a specific search string.
/// </summary>
/// <param name="tweetText">The search string.</param>
public async void SearchTweets(string tweetText)
{
if (!this.authorizer.IsAuthorized)
{
await this.authorizer.AuthorizeAsync();
this.context = new TwitterContext(authorizer);
}
string roamingFolder = ApplicationData.Current.RoamingFolder.Path + "\\";
var searchResult =
(from search in context.Search
where search.Type == SearchType.Search &&
search.Query == tweetText
select search)
.SingleOrDefault();
foreach (var result in searchResult.Statuses)
{
bool alreadyExists = false;
bool fileExists = true;
HttpClient http = new HttpClient();
HttpResponseMessage response = await http.GetAsync(result.User.ProfileImageUrl);
string userAvatarName = result.User.Identifier.UserID + Path.GetExtension(result.User.ProfileImageUrl);
Tweets[userAvatarName] = new TweetInfo("@" + result.User.Identifier.ScreenName, result.Text);
try
{
StorageFile existingFile = await ApplicationData.Current.RoamingFolder.GetFileAsync(userAvatarName);
}
catch (FileNotFoundException f)
{
fileExists = false;
}
if (!fileExists)
{
using (NativeFileStream file = new NativeFileStream(roamingFolder + userAvatarName, NativeFileMode.Create, NativeFileAccess.Write))
{
await response.Content.CopyToAsync(file.AsOutputStream().AsStreamForWrite());
}
}
for (int i = 0; i < AvatarTextures.Count; i++)
{
if (AvatarTextures[i].TexturePath == userAvatarName)
{
alreadyExists = true;
break;
}
}
if (!alreadyExists)
{
AddTextureFromFile(userAvatarName);
}
}
}
