private string GetRandomTweetForUser(string screenName, int maxTweets)
{
string result = string.Empty;
var twitterHelper = UserStateRepository.GetTwitterHelper();
var random = new Random();
string timeLineUrlFormat = ConfigurationManager.AppSettings["twitterTimeLineUrlFormat"];
var timeLineRequestSettings = new TimeLineRequestSettings {
Count = maxTweets,
ExcludeReplies = true,
IncludeRts = true,
RequestUrlFormat = timeLineUrlFormat,
ScreenName = screenName,
TrimUser = true
};
var timeLineJson = twitterHelper.GetTimelineJson(timeLineRequestSettings);
var timeLineItems = JsonConvert.DeserializeObject<List<TimeLine>>(timeLineJson);
if (timeLineItems == null || timeLineItems.Count == 0) {
result = string.Empty;
}
else if (timeLineItems.Count == 1) {
result = timeLineItems[0].Text;
}
else {
int randomIndexForTimeLineItem = random.Next(0, timeLineItems.Count);
var randomTimeLineItem = timeLineItems[randomIndexForTimeLineItem];
result = randomTimeLineItem.Text;
}
return result;
}
public string GetTimelineJson(TimeLineRequestSettings requestSettings)
{
var timeLineJson = string.Empty;
var authResponse = Authenticate();
var url = requestSettings.BuildRequestUrl();
timeLineJson = JsonUtil.RequestJson(url, authResponse.TokenType, authResponse.AccessToken);
return timeLineJson;
}