public async Task <RetrieveTweetsResult> RetrieveTweetsAsync(TwitterOptions options, string key)
{
var result = new RetrieveTweetsResult();
var tweetList = new List <TweetStruct>();
if (!string.IsNullOrEmpty(options.Username) && !string.IsNullOrEmpty(options.TwitterConsumerKey) && !string.IsNullOrEmpty(options.TwitterConsumerSecret))
{
var bearerToken = ObtainBearerToken(options.TwitterConsumerKey, options.TwitterConsumerSecret);
var timelineUrl = string.Format("https://api.twitter.com/1.1/statuses/user_timeline.json?exclude_replies={0}&screen_name={1}", !options.ShowReplies ? "true" : "false", Uri.EscapeDataString(options.Username));
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(timelineUrl);
request.Headers.Add("Authorization", "Bearer " + bearerToken);
request.Method = "GET";
request.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
request.AutomaticDecompression = DecompressionMethods.GZip;
WebResponse response = await request.GetResponseAsync();
string responseData = await new StreamReader(response.GetResponseStream()).ReadToEndAsync();
var fromJsonArray = JsonConvert.DeserializeObject <IEnumerable <TwitterJson> >(responseData);
string[] hashtagFilter = null;
if (!string.IsNullOrEmpty(options.HashTagsFilter))
{
hashtagFilter = options.HashTagsFilter.Split(',');
}
var tweets = from tweet in fromJsonArray
where
// Hashtags
(hashtagFilter == null || (hashtagFilter != null && hashtagFilter.Any(p => tweet.text.Contains(p))))
&&
// Show replies
(options.ShowReplies || String.IsNullOrEmpty(tweet.in_reply_to_screen_name))
select new TweetStruct()
{
Message = tweet.text,
Username = tweet.user.screen_name,
Avatar = tweet.user.profile_image_url,
Timestamp = (DateTime.ParseExact(tweet.created_at, "ddd MMM dd HH:mm:ss %zzzz yyyy", CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal | DateTimeStyles.AdjustToUniversal)).ToFriendlyDate(),
Id = tweet.id_str
};
tweetList.AddRange(tweets.Take(options.Count > 0 ? options.Count : 10));
}
result.Tweets = tweetList;
result.DateTimeExecuted = DateTime.Now;
result.IsSuccessful = true;
result.Settings = options;
return(result);
}
public async Task <RetrieveTweetsResult> RetrieveCachedTweetsAsync()
{
var key = Globals.CacheKey + TwitterOptions.Username + "_RetrieveTweets";
var result = new RetrieveTweetsResult();
try
{
if (!_cache.TryGetValue(key, out result))
{
result = await TwitterService.RetrieveTweetsAsync(TwitterOptions, key);
_cache.Set(key, result, new MemoryCacheEntryOptions().SetAbsoluteExpiration(TimeSpan.FromMinutes(TwitterOptions.CacheMinutes)));
}
}
catch (Exception ex)
{
result.Exception = ex;
Log.LogError(ex, "Error occurred in RetrieveTweets().");
}
return(result);
}
