private async void FetchTweets(string fetchText)
{
IEnumerable <Tweet> timeLine = null;
try
{
IsBusy = true;
var filter = GetAccount(fetchText);
if (filter != null)
{
timeLine = await TwitterService.Instance.GetUserTimeLineAsync(filter, 10);
}
else
{
timeLine = await TwitterService.Instance.SearchAsync(fetchText, 10);
}
Tweets.Clear();
foreach (var tweet in timeLine)
{
Tweets.Add(tweet);
}
}
finally
{
IsBusy = false;
}
}
public async Task Logout()
{
Settings.AuthKey = null;
Settings.AuthSecret = null;
Tweets.Clear();
await InitAuth();
}
async Task ExecuteLoadTweetsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Tweets.Clear();
await TwitterController.GetTweets("熱中症");
var tweets = TwitterController.GetTweetStatuses();
foreach (var t in tweets)
{
Tweet tweet = new Tweet();
tweet.Id = t["id"];
tweet.Name = t["user"]["name"];
tweet.Created = t["created_at"];
tweet.Text = t["text"];
tweet.Profile_image_url = t["user"]["profile_image_url"];
Tweets.Add(tweet);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
public override async void Search(string keyword)
{
try{
using (TwitterContext context = new TwitterContext(Authorizer)) {
Cancel();
Tweets.Clear();
Logger.LogMessage(new LogMessage($"Streaming has begun for keyword: {keyword}.", Severity.Information));
IQueryable <Streaming> streamQuery = context.Streaming
.Where(strm => strm.Type == StreamingType.Filter && strm.Track == keyword);
Task <List <Streaming> > stream = streamQuery
.WithCancellation(CancellationTokenSource.Token)
.StartAsync(content => Task.Run(() => {
if (!string.IsNullOrEmpty(content.Content))
{
Status status = content.Entity as Status;
if (status != null)
{
AddStatus(status);
}
}
}));
await stream;
}
} catch (OperationCanceledException) {
Logger.LogMessage(new LogMessage($"Stream for '{keyword}' has stopped.", Severity.Information));
} catch (Exception ex) {
Logger.LogMessage(new LogMessage(ex.Message, Severity.Error));
}
}
async Task ExecuteLoadSocialCommandAsync()
{
if (LoadingSocial)
{
return;
}
LoadingSocial = true;
try
{
SocialError = false;
Tweets.Clear();
var tweetService = DependencyService.Get <ITweetsService>();
Tweets.ReplaceRange(await tweetService.GetTweets());
// todo: implement this
}
catch (Exception ex)
{
SocialError = true;
ex.Data["method"] = "ExecuteLoadSocialCommandAsync";
Logger.Report(ex);
}
finally
{
LoadingSocial = false;
NoSocial = Tweets.Count == 0;
}
}
public override async void Navigated(string navigationParameter)
{
try
{
IsSearching = true;
Tweets.Clear();
var clientResponse = await _twitterAuthenticator.AuthenticateAsync(_authInformation.AccessToken, _authInformation.AccessTokenSecret);
if (clientResponse.StatusCode != HttpStatusCode.OK)
{
Debug.WriteLine("Error authenticating: " + clientResponse.StatusCode + ": " + clientResponse.ErrorMessage);
return;
}
TwitterClient client = clientResponse.Content;
var searchResponse = await client.SearchAsync(navigationParameter, RESULTS_TO_SHOW);
if (searchResponse.StatusCode != HttpStatusCode.OK)
{
Debug.WriteLine("Error searching: " + clientResponse.StatusCode + ": " + clientResponse.ErrorMessage);
return;
}
Tweets.Clear();
//Tweets.Add(new Tweet()
//{
// Author = "dsplaisted",
// ProfileImageUrl = new Uri("https://pbs.twimg.com/profile_images/51934680/iguana_bigger.jpg"),
// Text = "Short tweet",
// Timestamp = DateTime.Now
//});
//Tweets.Add(new Tweet()
//{
// Author = "dsplaisted",
// ProfileImageUrl = new Uri("https://pbs.twimg.com/profile_images/51934680/iguana_bigger.jpg"),
// Text = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.",
// Timestamp = DateTime.Now
//});
foreach (var tweet in searchResponse.Content)
{
Tweets.Add(new Tweet()
{
Author = tweet.User.ScreenName,
ProfileImageUrl = tweet.User.ProfileImageUri,
Text = tweet.Text,
Timestamp = tweet.CreatedAt
});
}
IsSearching = false;
}
catch (Exception ex)
{
Debug.WriteLine("Error searching Twitter: " + ex.ToString());
}
}
private async void ExecuteLoadTweetsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Tweets.Clear();
var auth = new ApplicationOnlyAuthorizer()
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = "ZTmEODUCChOhLXO4lnUCEbH2I",
ConsumerSecret = "Y8z2Wouc5ckFb1a0wjUDT9KAI6DUat5tFNdmIkPLl8T4Nyaa2J",
},
};
await auth.AuthorizeAsync();
var twitterContext = new TwitterContext(auth);
var searchResponse =
await(from search in twitterContext.Search
where search.Type == SearchType.Search &&
search.Count == 100 &&
search.Query == "\"#dcc14\""
select search)
.SingleOrDefaultAsync();
if (searchResponse != null && searchResponse.Statuses != null)
{
var tweets =
(from tweet in searchResponse.Statuses
select new Tweet
{
StatusID = tweet.StatusID,
ScreenName = tweet.User.ScreenNameResponse,
Text = tweet.Text,
CurrentUserRetweet = tweet.CurrentUserRetweet,
CreatedAt = tweet.CreatedAt
}).ToList();
foreach (var tweet in tweets)
{
Tweets.Add(tweet);
}
}
}
catch (Exception ex)
{
var page = new ContentPage();
page.DisplayAlert("Error", "Unable to load twitter.", "OK");
}
IsBusy = false;
}
async Task ExecuteLoadSocialCommandAsync()
{
if (LoadingSocial)
{
return;
}
LoadingSocial = true;
try
{
SocialError = false;
Tweets.Clear();
using (var client = new HttpClient())
{
#if ENABLE_TEST_CLOUD
var json = ResourceLoader.GetEmbeddedResourceString(Assembly.Load(new AssemblyName("UtahOpenSource.Clients.Portable")), "sampletweets.txt");
Tweets.ReplaceRange(JsonConvert.DeserializeObject <List <Tweet> >(json));
#else
var manager = DependencyService.Get <IStoreManager>() as UtahOpenSource.DataStore.Azure.StoreManager;
if (manager == null)
{
return;
}
await manager.InitializeAsync();
var mobileClient = UtahOpenSource.DataStore.Azure.StoreManager.MobileService;
if (mobileClient == null)
{
return;
}
var json = await mobileClient.InvokeApiAsync <string> ("Tweet", System.Net.Http.HttpMethod.Get, null);
if (string.IsNullOrWhiteSpace(json))
{
SocialError = true;
return;
}
Tweets.ReplaceRange(JsonConvert.DeserializeObject <List <Tweet> >(json));
#endif
}
}
catch (Exception ex)
{
SocialError = true;
ex.Data["method"] = "ExecuteLoadSocialCommandAsync";
Logger.Report(ex);
}
finally
{
LoadingSocial = false;
}
}
void BuildTweetsFromAllUsers()
{
Tweets.Clear();
var tweets = _repository.GetAll();
foreach (var tweetFromUser in tweets)
{
Tweets.Add(tweetFromUser);
}
}
private async void ExecuteRefreshCommand()
{
IsLoading = true;
Tweets.Clear();
_maxId = "";
await GetTweets();
IsLoading = false;
}
void MapTweets(Task <string> x)
{
Thread.Sleep(2000);
var json = new JavaScriptSerializer().Deserialize <dynamic>(x.Result);
Tweets.Clear();
foreach (var result in json["results"])
{
Tweets.Add(new TweetViewModel(result["text"]));
}
IsBusy = false;
}
async Task ExecuteLoadTweetsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
Tweets.Clear();
var auth = new ApplicationOnlyAuthorizer
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = "4a8c7X6NqcBT5GY6nWOX9b32P",
ConsumerSecret = "QOIvLNS05WfORaQTwvkaxnfH7Rejwi7NgBVUBudtJ0yhiFpCjL",
},
};
await auth.AuthorizeAsync();
var twitterContext = new TwitterContext(auth);
var queryResponse = await
(from tweet in twitterContext.Status
where tweet.Type == StatusType.User &&
tweet.ScreenName == "xamarinhq" &&
tweet.Count == 20 &&
tweet.IncludeRetweets == true &&
tweet.ExcludeReplies == true
select tweet).ToListAsync();
var tweets =
(from tweet in queryResponse
select new Tweet
{
Name = tweet.User.Name,
Time = tweet.CreatedAt,
Text = tweet.Text,
AvatarUrl = (tweet.RetweetedStatus != null && tweet.RetweetedStatus.User != null ?
tweet.RetweetedStatus.User.ProfileImageUrl.Replace("http://", "https://") : tweet.User.ProfileImageUrl.Replace("http://", "https://"))
}).ToList();
foreach (var tweet in tweets)
{
Tweets.Add(tweet);
}
IsBusy = false;
}
private void Tweets_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (var tweet in e.NewItems.Cast <Tweet>())
{
Tweets.Add(tweet);
}
}
else if (e.Action == NotifyCollectionChangedAction.Reset)
{
Tweets.Clear();
}
}
private void RemoveSearch(string searchText)
{
var existingSearch = Searches.FirstOrDefault(s => s.SearchText == searchText);
if (existingSearch != null)
{
existingSearch.SearchObservable.Dispose();
Searches.Remove(existingSearch);
if (Searches.Count == 0)
{
Tweets.Clear();
}
}
}
public virtual void Search(string keyword)
{
Tweets.Clear();
try {
using (TwitterContext context = new TwitterContext(Authorizer)) {
Search searchResponse = QueryBuilder.GetQuery(context, keyword);
searchResponse.Statuses.ForEach(AddStatus);
Logger.LogMessage(new LogMessage($"Returned {searchResponse.Statuses.Count} results.", Severity.Information));
}
} catch (Exception ex) {
Logger.LogMessage(ex.InnerException != null
? new LogMessage(ex.InnerException.Message, Severity.Error)
: new LogMessage(ex.Message, Severity.Error));
}
}
private void SearchResults()
{
if (Tweets.Count != 0)
{
Tweets.Clear();
}
if (Users.Count != 0)
{
Users.Clear();
}
SearchTweetsAsync();
SearchUsersAsync();
}
private async Task ExecuteLoadSocialCommandAsync()
{
if (LoadingSocial)
{
return;
}
LoadingSocial = true;
try
{
SocialError = false;
Tweets.Clear();
using (var client = new HttpClient())
{
await StoreManager.InitializeAsync();
if (StoreManager is open.conference.app.DataStore.Azure.StoreManager)
{
var mobileClient = open.conference.app.DataStore.Azure.StoreManager.MobileService;
if (mobileClient == null)
{
return;
}
var json = await mobileClient.InvokeApiAsync <string>("Tweet", HttpMethod.Get, null);
if (string.IsNullOrWhiteSpace(json))
{
SocialError = true;
return;
}
Tweets.ReplaceRange(JsonConvert.DeserializeObject <List <Tweet> >(json));
}
}
}
catch (Exception ex)
{
SocialError = true;
ex.Data["method"] = "ExecuteLoadSocialCommandAsync";
Logger.Log(ex.Message, Prism.Logging.Category.Exception, Priority.High);
}
finally
{
LoadingSocial = false;
}
}
public override async void Navigated(string navigationParameter)
{
try
{
IsSearching = true;
Tweets.Clear();
var clientResponse = await _twitterAuthenticator.AuthenticateAsync(_authInformation.AccessToken, _authInformation.AccessTokenSecret);
if (clientResponse.StatusCode != HttpStatusCode.OK)
{
Debug.WriteLine("Error authenticating: " + clientResponse.StatusCode + ": " + clientResponse.ErrorMessage);
return;
}
TwitterClient client = clientResponse.Content;
var searchResponse = await client.SearchAsync(navigationParameter, RESULTS_TO_SHOW);
if (searchResponse.StatusCode != HttpStatusCode.OK)
{
Debug.WriteLine("Error searching: " + clientResponse.StatusCode + ": " + clientResponse.ErrorMessage);
return;
}
Tweets.Clear();
foreach (var tweet in searchResponse.Content)
{
Tweets.Add(new Tweet()
{
Author = tweet.User.ScreenName,
ProfileImageUrl = tweet.User.ProfileImageUri,
Text = tweet.Text,
Timestamp = tweet.CreatedAt
});
}
IsSearching = false;
}
catch (Exception ex)
{
Debug.WriteLine("Error searching Twitter: " + ex.ToString());
}
}
private async Task ShowHomeTimeline()
{
try
{
var timeline = await _applicationClient.Timelines.GetHomeTimelineAsync();
if (timeline != null)
{
var dispatcher = Application.Current?.Dispatcher;
if (dispatcher != null)
{
dispatcher.Invoke(DispatcherPriority.Normal, new Action(() =>
{
Tweets.Clear();
foreach (var tweet in timeline)
{
if (Filter(tweet))
{
Tweets.Add(tweet);
}
}
TweetsHTML = BuildHTML();
}));
}
}
_currentStream = await SubscribeToFilterStream();
_refreshTimer = new System.Timers.Timer(Settings.RefreshInterval)
{
AutoReset = false
};
_refreshTimer.Elapsed += OnRefreshTimerElapsed;
_refreshTimer.Start();
}
finally
{
IsAppKeyScreen = false;
IsLoginScreen = false;
IsTweetScreen = true;
IsNotAuthorizing = true;
}
}
async Task ExecuteLoadItemsCommand()
{
IsBusy = true;
try
{
Tweets.Clear();
var tweets = await DataStore.GetItemsAsync(true);
foreach (var tweet in tweets)
{
Tweets.Add(tweet);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
public void searchUserTimeline(long userid)
{
Tweets.Clear();
Tweets = twitter.SearchUserTimeline(userid);
}
public void getRetweetsOfMe()
{
Tweets.Clear();
Tweets = twitter.GetRetweetsOfMe();
}
public void searchRepliesToId()
{
Tweets.Clear();
Tweets = twitter.SearchRepliesToId(TweetId);
}
public void getMention()
{
Tweets.Clear();
Tweets = twitter.GetMention();
}
public void search()
{
Tweets.Clear();
Tweets = twitter.SearchQuery(Query, Latitude, Longitude, SearchType, Radius);
}
public void getTimeline()
{
Tweets.Clear();
Tweets = twitter.GetTweetsCollection();
}
public async Task LoadTweetsCommand(string search)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Tweets.Clear();
var auth = new ApplicationOnlyAuthorizer()
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = "ZTmEODUCChOhLXO4lnUCEbH2I",
ConsumerSecret = "Y8z2Wouc5ckFb1a0wjUDT9KAI6DUat5tFNdmIkPLl8T4Nyaa2J",
},
};
await auth.AuthorizeAsync();
var twitterContext = new TwitterContext(auth);
var queryResponse = await
(from tweet in twitterContext.Search
where tweet.Type == SearchType.Search &&
tweet.Query == search &&
tweet.Count == 100
select tweet).SingleOrDefaultAsync();
if (queryResponse == null || queryResponse.Statuses == null)
{
return;
}
var tweets =
(from tweet in queryResponse.Statuses
select new Tweet
{
StatusID = tweet.StatusID,
ScreenName = tweet.User.ScreenNameResponse,
Text = tweet.Text,
CurrentUserRetweet = tweet.CurrentUserRetweet,
CreatedAt = tweet.CreatedAt,
Url = string.Format("https://m.twitter.com/{0}/status/{1}", tweet.User.ScreenNameResponse, tweet.StatusID),
Image = (tweet.RetweetedStatus != null && tweet.RetweetedStatus.User != null ?
tweet.RetweetedStatus.User.ProfileImageUrl : tweet.User.ProfileImageUrl)
}).ToList();
foreach (var tweet in tweets)
{
Tweets.Add(tweet);
}
}
catch (Exception ex)
{
}
IsBusy = false;
}
public async Task ExecuteLoadTweetsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
LoadTweetsCommand.ChangeCanExecute();
var error = false;
try
{
Tweets.Clear();
var auth = new ApplicationOnlyAuthorizer()
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = "ZTmEODUCChOhLXO4lnUCEbH2I",
ConsumerSecret = "Y8z2Wouc5ckFb1a0wjUDT9KAI6DUat5tFNdmIkPLl8T4Nyaa2J",
},
};
await auth.AuthorizeAsync();
var twitterContext = new TwitterContext(auth);
var queryResponse = await
(from tweet in twitterContext.Status
where tweet.Type == StatusType.User &&
tweet.ScreenName == "shanselman" &&
tweet.Count == 100 &&
tweet.IncludeRetweets == true &&
tweet.ExcludeReplies == true
select tweet).ToListAsync();
var tweets =
(from tweet in queryResponse
select new Tweet
{
StatusID = tweet.StatusID,
ScreenName = tweet.User.ScreenNameResponse,
Text = tweet.Text,
CurrentUserRetweet = tweet.CurrentUserRetweet,
CreatedAt = tweet.CreatedAt,
Image = tweet.RetweetedStatus != null && tweet.RetweetedStatus.User != null ?
tweet.RetweetedStatus.User.ProfileImageUrl.Replace("http://", "https://") : (tweet.User.ScreenNameResponse == "shanselman" ? "scott159.png" : tweet.User.ProfileImageUrl.Replace("http://", "https://"))
}).ToList();
foreach (var tweet in tweets)
{
Tweets.Add(tweet);
}
if (Device.OS == TargetPlatform.iOS)
{
// only does anything on iOS, for the Watch
DependencyService.Get <ITweetStore>().Save(tweets);
}
}
catch
{
error = true;
}
if (error)
{
var page = new ContentPage();
await page.DisplayAlert("Error", "Unable to load tweets.", "OK");
}
IsBusy = false;
LoadTweetsCommand.ChangeCanExecute();
}
public async Task ExecuteLoadTweetsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
LoadTweetsCommand.ChangeCanExecute();
var error = false;
try
{
Tweets.Clear();
var auth = new ApplicationOnlyAuthorizer()
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = "nJY9F8wmTlHRgk4ADC0daADEo",
ConsumerSecret = "svZXhBwQrStrtYKcQfXBL4txSo5d34qteRwoODia24S7Pqgdpa",
},
};
await auth.AuthorizeAsync();
var twitterContext = new TwitterContext(auth);
var queryResponse = await
(from tweet in twitterContext.Status
where tweet.Type == StatusType.User &&
tweet.ScreenName == "bwiredstudios" &&
tweet.Count == 100 &&
tweet.IncludeRetweets == true &&
tweet.ExcludeReplies == true
select tweet).ToListAsync();
var tweets =
(from tweet in queryResponse
select new Tweet
{
StatusID = tweet.StatusID,
ScreenName = tweet.User.ScreenNameResponse,
Text = tweet.Text,
CurrentUserRetweet = tweet.CurrentUserRetweet,
CreatedAt = tweet.CreatedAt,
Image = tweet.RetweetedStatus != null && tweet.RetweetedStatus.User != null ?
tweet.RetweetedStatus.User.ProfileImageUrl.Replace("http://", "https://") : (tweet.User.ScreenNameResponse == "bwiredstudios" ? "bwired_twitter.jpg" : tweet.User.ProfileImageUrl.Replace("http://", "https://"))
}).ToList();
foreach (var tweet in tweets)
{
Tweets.Add(tweet);
}
if (Device.OS == TargetPlatform.iOS)
{
// only does anything on iOS, for the Watch
DependencyService.Get <ITweetStore>().Save(tweets);
}
}
catch
{
error = true;
}
if (error)
{
var page = new ContentPage();
await page.DisplayAlert("Error", "Unable to load tweets.", "OK");
}
IsBusy = false;
LoadTweetsCommand.ChangeCanExecute();
}
public async Task ExecuteLoadTweetsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
LoadTweetsCommand.ChangeCanExecute();
var error = false;
try
{
Tweets.Clear();
//var auth = new ApplicationOnlyAuthorizer()
//{
// CredentialStore = new InMemoryCredentialStore
// {
// ConsumerKey = "",
// ConsumerSecret = "",
// },
//};
//await auth.AuthorizeAsync();
//var twitterContext = new TwitterContext(auth);
//var queryResponse = await
// (from tweet in twitterContext.Status
// where tweet.Type == StatusType.User &&
// tweet.ScreenName == "shanselman" &&
// tweet.Count == 100 &&
// tweet.IncludeRetweets == true &&
// tweet.ExcludeReplies == true
// select tweet).ToListAsync();
//var tweets =
// (from tweet in queryResponse
// select new Tweet
// {
// StatusID = tweet.StatusID,
// ScreenName = tweet.User.ScreenNameResponse,
// Text = tweet.Text,
// CurrentUserRetweet = tweet.CurrentUserRetweet,
// CreatedAt = tweet.CreatedAt,
// Image = tweet.RetweetedStatus != null && tweet.RetweetedStatus.User != null ?
// tweet.RetweetedStatus.User.ProfileImageUrl.Replace("http://", "https://") : (tweet.User.ScreenNameResponse == "shanselman" ? "scott159.png" : tweet.User.ProfileImageUrl.Replace("http://", "https://"))
// }).ToList();
//foreach (var tweet in tweets)
//{
// Tweets.Add(tweet);
//}
//if (Device.OS == TargetPlatform.iOS)
//{
// // only does anything on iOS, for the Watch
// // DependencyService.Get<ITweetStore>().Save(tweets);
//}
}
catch
{
error = true;
}
if (error)
{
var page = new ContentPage();
await page.DisplayAlert("Error", "Unable to load tweets.", "OK");
}
IsBusy = false;
LoadTweetsCommand.ChangeCanExecute();
}
