public async Task <bool> GetTweets()
{
string token = await GetAuthorization();
string[] tags = _config["Tags"].Split(',');
#region Remover a base de dados de análise, antes de iniciar nova análise
_userRepository.RemoveAll();
_tweetRepository.RemoveAll();
#endregion
foreach (var tag in tags)
{
using (var httpClient = new HttpClient())
{
var url = string.Format(_config["TwitterService:Tweets"], tag);
httpClient.DefaultRequestHeaders.TryAddWithoutValidation("Authorization", "Bearer AAAAAAAAAAAAAAAAAAAAAF2J%2FAAAAAAArvJ6%2BZG122CmG%2FCZguGfkOAloJE%3DNBk4LAg4JgvUMGpFbSpBjcNxKfLJOT1VmvWfIOHXEvQt1SJQez" /*GetTwitterAuthHeader(url)*/);
httpClient.DefaultRequestHeaders.TryAddWithoutValidation("Content-Type", "application/x-www-form-urlencoded");
var result = await httpClient.GetAsync(url);
var response = await result.Content.ReadAsStringAsync();
if (result.StatusCode == HttpStatusCode.OK)
{
var tweets = JsonConvert.DeserializeObject <Dictionary <string, object> >(response)["statuses"];
var objs = tweets as IEnumerable <dynamic>;
foreach (var tweet in objs.Select(t => new { CreatedAt = (string)(t["created_at"].ToString()),
IdStr = (string)(t["id_str"].ToString()),
Entities = (string)(t["entities"].ToString()),
User = (string)(t["user"].ToString()) }))
{
var tweetDTO = new TweetDTO();
tweetDTO.CreatedAt = tweet.CreatedAt;
var entities = JsonConvert.DeserializeObject <EntityDTO>(tweet.Entities);
tweetDTO.Hashtags = new List <HashtagDTO>();
foreach (var hashtag in entities.Hashtags)
{
tweetDTO.Hashtags.Add(new HashtagDTO()
{
Text = hashtag.Text
});
}
var user = JsonConvert.DeserializeObject <UserTweetDTO>(tweet.User);
tweetDTO.User = _mapper.Map <UserTweetDTO, UserDTO>(user);
var map = _mapper.Map <TweetDTO, Tweet>(tweetDTO);
map.SetId(Guid.NewGuid());
_tweetRepository.Add(map);
var mapUser = _mapper.Map <UserDTO, User>(tweetDTO.User);
mapUser.SetId(Guid.NewGuid());
if (_userRepository.GetById(mapUser.IdStr) == null)
{
_userRepository.Add(mapUser);
}
}
}
}
}
return(true);
}
