public async Task <Tweet> GetTweets(string searchText)
{
var baseUri = new Uri("https://api.twitter.com/1.1/search/tweets.json");
var client = new RestClient(baseUri);
var request = new RestRequest(baseUri, Method.GET);
request.AddParameter("q", searchText, ParameterType.QueryString);
request.AddParameter("lang", "en", ParameterType.QueryString);
request.AddHeader("Content-Type", "application/json");
request.AddHeader("Authorization", "Bearer " + _twitterService.GetBearerToken());
var tweet = client.Execute <Tweet>(request).Data;
return(tweet);
}