public async Task InitTweetViewModel()
{
var auth = new ApplicationOnlyAuthorizer()
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = "dYNbMI3KFn4zFrHIaAKIWCFYQ",
ConsumerSecret = "mQhDSmPov7bbJXb8jPwaVghBbUbgELpQqyHG2QRyf89CsQWKyb",
},
};
await auth.AuthorizeAsync();
var ctx = new TwitterContext(auth);
var searchResponse = await
(from search in ctx.Search
where search.Type == SearchType.Search &&
search.Query == "\"LINQ to Twitter\""
select search)
.SingleAsync();
Tweets =
(from tweet in searchResponse.Statuses
select new Tweet
{
StatusID = tweet.StatusID,
ScreenName = tweet.User.ScreenNameResponse,
Text = tweet.Text,
ImageUrl = tweet.User.ProfileImageUrl
})
.ToList();
}
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.Replace("http://", "https://") : tweet.User.ProfileImageUrl.Replace("http://", "https://"))
}).ToList();
foreach (var tweet in tweets)
{
Tweets.Add(tweet);
}
}
catch
{
}
IsBusy = false;
}
private async Task InitializeTwitterContextAsync()
{
var auth = new ApplicationOnlyAuthorizer
{
CredentialStore = new SingleUserInMemoryCredentialStore
{
ConsumerKey = "wamG84e3GpkPjVp08UwsfAZIG",
ConsumerSecret = "9lCkCpXJ2FJFINs7329p06alOowqvWNJ2wwFPSTP9MaNu1xGyL"
}
};
await auth.AuthorizeAsync().ConfigureAwait(false);
Context = new TwitterContext(auth);
}
public static async Task<ApplicationOnlyAuthorizer> Authorize()
{
throw new NotImplementedException("Enter API key & secret below");
var auth = new ApplicationOnlyAuthorizer
{
CredentialStore = new InMemoryCredentialStore()
{
ConsumerKey = "",
ConsumerSecret = ""
}
};
await auth.AuthorizeAsync();
return auth;
}
public async static Task<IAuthorizer> GetAuth()
{
var auth = new ApplicationOnlyAuthorizer
{
CredentialStore = new InMemoryCredentialStore()
{
ConsumerKey = Secrets.twitterConsumerKey,
ConsumerSecret = Secrets.twitterConsumerSecret
}
};
await auth.AuthorizeAsync();
return auth;
}
async private void button1_Click(object sender, EventArgs e)
{
var authorizer = new ApplicationOnlyAuthorizer
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = "KQrJnO8Sxc6098dm6OMSbQeoU",
ConsumerSecret = "gs7cQhxsMnNGukBnYmCoCPRgIXVTwEPDIjnwOfLUBY9smwsGVv"
}
};
await authorizer.AuthorizeAsync();
var ctx = new TwitterContext(authorizer);
string searchString = searchText.Text;
var searchResponse =
await
(from search in ctx.Search
where search.Type == SearchType.Search &&
search.Query == searchString &&
search.Count == 100
select search)
.SingleOrDefaultAsync();
var tweets =
(from tweet in searchResponse.Statuses
select new TweetViewModel
{
ImageUrl = tweet.User.ProfileImageUrl,
ScreenName = tweet.User.ScreenNameResponse,
Text = tweet.Text
})
.ToList();
string result = "";
foreach(TweetViewModel tweet in tweets)
{
result += tweet.Text + "\n";
}
label1.Text = result;
}
async void SearchButton_Click(object sender, RoutedEventArgs e)
{
var authorizer = new ApplicationOnlyAuthorizer
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = "",
ConsumerSecret = ""
}
};
await authorizer.AuthorizeAsync();
var ctx = new TwitterContext(authorizer);
string searchString = searchText.Text;
var searchResponse =
await
(from search in ctx.Search
where search.Type == SearchType.Search &&
search.Query == searchString
select search)
.SingleOrDefaultAsync();
var tweets =
(from tweet in searchResponse.Statuses
select new TweetViewModel
{
ImageUrl = tweet.User.ProfileImageUrl,
ScreenName = tweet.User.ScreenNameResponse,
Text = tweet.Text
})
.ToList();
tweetListView.ItemsSource = new ObservableCollection<TweetViewModel>(tweets);
}
public IHttpActionResult GetUserInfo(string query, int count = 20, string resultType = "recent", string language = null, string geo = null)
{
try
{
var auth = new ApplicationOnlyAuthorizer
{
CredentialStore = new SingleUserInMemoryCredentialStore
{
ConsumerKey = TwitterKeys.consumerKey,
ConsumerSecret = TwitterKeys.consumerSecret,
AccessToken = TwitterKeys.accessToken,
AccessTokenSecret = TwitterKeys.accessTokenSecret
}
};
var authSync = auth.AuthorizeAsync();
authSync.Wait();
var twitterCtx = new TwitterContext(auth);
var resultadoBusca = (from search in twitterCtx.Search
where search.Type == SearchType.Search &&
search.Query == query &&
search.Count == count &&
search.ResultType == ResultType.Recent &&
search.SearchLanguage == "pt"
select search)
.ToList();
return Ok(resultadoBusca[0].Statuses);
}
catch (Exception ex)
{
throw new Exception("Não conseguimos processar a requisição. Por favor verifique a conexão com a internet ou tente mais tarde.");
}
}
private async Task<List<Status>> GetLatestsTwittersWithHashtag(string hashtag, long laterThanThisID = 0)
{
try
{
hashtag = !hashtag.Contains("#") ? "#" + hashtag : hashtag;
var authorizer = new ApplicationOnlyAuthorizer
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = Services.Settings["TwitterConsumerKey"],
ConsumerSecret = Services.Settings["TwitterConsumerSecret"],
}
};
await authorizer.AuthorizeAsync();
var twitterCtx = new TwitterContext(authorizer);
var query = twitterCtx.Search.Where(x => x.Type == SearchType.Search && x.Query == hashtag && x.Count == 100);
if (laterThanThisID > 0)
{
query = query.Where(x => x.SinceID == (ulong)laterThanThisID);
}
var searchresponse = query.FirstOrDefault();
return searchresponse.Statuses;
}
catch (Exception ex)
{
return new List<Status>();
}
}
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);
#if !WINDOWS_PHONE
IQueryable<LinqToTwitter.Status> queryResponse =
(from tweet in twitterContext.Status
where tweet.Type == StatusType.User &&
tweet.ScreenName == "shanselman" &&
tweet.Count == 100 &&
tweet.IncludeRetweets == true &&
tweet.ExcludeReplies == true
select tweet);
var queryTweets = queryResponse.ToList ();
var tweets =
(from tweet in queryTweets
select new Tweet {
StatusID = tweet.StatusID,
ScreenName = tweet.User.ScreenNameResponse,
Text = tweet.Text,
CurrentUserRetweet = tweet.CurrentUserRetweet,
CreatedAt = tweet.CreatedAt
}).ToList ();
#else
var tweets =
await (from tweet in twitterContext.Status
where tweet.Type == StatusType.User &&
tweet.ScreenName == "shanselman" &&
tweet.Count == 100 &&
tweet.IncludeRetweets == true &&
tweet.ExcludeReplies == true
select new Tweet
{
StatusID = tweet.StatusID,
ScreenName = tweet.User.ScreenNameResponse,
Text = tweet.Text,
CurrentUserRetweet = tweet.CurrentUserRetweet,
CreatedAt = tweet.CreatedAt
}).ToListAsync();
#endif
foreach (var tweet in tweets) {
Tweets.Add (tweet);
}
} catch (Exception ex) {
var page = new ContentPage();
page.DisplayAlert ("Error", "Unable to load twitter.", "OK", null);
}
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<string> Get()
{
try
{
var tweets = new List<Tweet>();
var tweetsObj = cache.GetValue("tweets");
if(tweetsObj != null)
tweets = tweetsObj as List<Tweet>;
if (tweets == null)
tweets = new List<Tweet>();
if (tweets.Count > 0)
return Newtonsoft.Json.JsonConvert.SerializeObject(tweets);
var auth = new ApplicationOnlyAuthorizer()
{
CredentialStore = new InMemoryCredentialStore
{
ConsumerKey = ConfigurationManager.AppSettings["TwitterConsumerKey"],
ConsumerSecret = ConfigurationManager.AppSettings["TwitterConsumerSecret"],
},
};
await auth.AuthorizeAsync();
var twitterContext = new TwitterContext(auth);
var queryResponse = await
(from tweet in twitterContext.Search
where tweet.Type == SearchType.Search &&
(tweet.Query == "#XamarinEvolve") &&
tweet.Count == 100
select tweet).SingleOrDefaultAsync();
if (queryResponse == null || queryResponse.Statuses == null)
return string.Empty;
tweets =
(from tweet in queryResponse.Statuses
where tweet.RetweetedStatus.StatusID == 0 && !tweet.PossiblySensitive && !censor.HasCensoredWord(tweet.Text)
select new Tweet
{
TweetedImage = tweet.Entities?.MediaEntities.Count > 0 ? tweet.Entities?.MediaEntities?[0].MediaUrlHttps ?? string.Empty : string.Empty,
ScreenName = tweet.User?.ScreenNameResponse ?? string.Empty,
Text = tweet.Text,
Name = tweet.User.Name,
CreatedDate = tweet.CreatedAt,
Url = string.Format("https://twitter.com/{0}/status/{1}", tweet.User.ScreenNameResponse, tweet.StatusID),
Image = (tweet.RetweetedStatus != null && tweet.RetweetedStatus.User != null ?
tweet.RetweetedStatus.User.ProfileImageUrl.Replace("http://", "https://") : tweet.User.ProfileImageUrl.Replace("http://", "https://"))
}).Take(15).ToList();
cache.Add("tweets", tweets, DateTimeOffset.UtcNow.AddMinutes(1));
return Newtonsoft.Json.JsonConvert.SerializeObject(tweets);
}
catch
{
}
return string.Empty;
}
