public void GravarDados(IEnumerable <ITweet> tweetsPar)
{
var tweets = tweetsPar.Distinct().OrderBy(x => x.Id);
foreach (var item in tweets)
{
StrFileIndice sfi = new StrFileIndice();
BinarySearchAlgorithm bsa = new BinarySearchAlgorithm();
if (!bsa.BinarySearchById(item.Id, strNameFileIndice, ref sfi))
{
StrFile strFile = new StrFile();
strFile.Id = item.Id;
if (item.FullText.Length > 500)
{
strFile.Mensagem = item.FullText.Substring(0, 500);
}
else
{
strFile.Mensagem = item.FullText;
}
strFile.Data = item.CreatedAt.ToString("dd/MM/yyyy");
strFile.Usuario = item.CreatedBy.Name;
strFile.Pais = item.Place != null && item.Place.Name != null ? item.Place.Name : "";
StringBuilder strHash = new StringBuilder();
if (item.Hashtags != null && item.Hashtags.Count > 0)
{
foreach (var hash in item.Hashtags)
{
strHash.Append(hash);
}
}
if (strHash.ToString().Length > 200)
{
strFile.HashTags = strHash.ToString().Substring(0, 200);
}
else
{
strFile.HashTags = strHash.ToString();
}
strFile.Elo = 0;
strFile.NewLine = '\n';
FileWrite fWrite = new FileWrite();
long position = fWrite.WriteStructure(strFile, strNameFile);
StrFileIndice strFileIndice = new StrFileIndice();
strFileIndice.Id = item.Id;
strFileIndice.Posicao = position;
strFileIndice.NewLine = '\n';
fWrite.WriteStructureIndex(strFileIndice, strNameFileIndice);
}
}
}
private void GenerateAllIndiceHashtags()
{
Console.Clear();
try
{
Console.WriteLine("Aguarde. Gerando índice.");
List <FileStream> listaStream = new List <FileStream>();
listaStream.Add(new FileStream(strNameFile, FileMode.Open));
listaStream.Add(new FileStream(strNameIndiceHashtags, FileMode.Open));
listaStream[0].Seek(0, SeekOrigin.Begin);
while (listaStream[0].Position < listaStream[0].Length)
{
if (listaStream[0].Position > 0)
{
listaStream[0].Position += 1;
}
BinarySearchAlgorithm bsa = new BinarySearchAlgorithm();
StrFile oReturn = bsa.GetFileValue <StrFile>(listaStream[0]);
string[] hashtagsarray = oReturn.HashTags.Split("#");
foreach (string hashtag in hashtagsarray)
{
if (hashtag.Trim() != "" && (hashtag.ToLower().Contains("rock") || hashtag.ToLower().Contains("metal") || hashtag.ToLower().Contains("punk") || hashtag.ToLower().Contains("hard")))
{
FileWrite fw = new FileWrite();
bool achou = false;
string hashtagAux = "#" + hashtag.Trim();
listaStream[1].Seek(0, SeekOrigin.Begin);
while (listaStream[1].Position < listaStream[1].Length)
{
if (listaStream[1].Position > 0)
{
listaStream[1].Position += 1;
}
StrFileIndiceHashtags oReturnInd = bsa.GetFileValue <StrFileIndiceHashtags>(listaStream[1]);
if (oReturnInd.Hashtag.Trim() == hashtagAux.Trim())
{
achou = true;
for (int i = 1; i < 1000; i++)
{
if (oReturnInd.Ids[i] == 0)
{
oReturnInd.Ids[i] = oReturn.Id;
break;
}
}
long tamanhoBytes = Marshal.SizeOf(typeof(StrFileIndiceHashtags));
if (listaStream[1].Position > 0)
{
listaStream[1].Position -= tamanhoBytes;
}
byte[] buf = fw.GetBytes(oReturnInd);
listaStream[1].Write(buf);
}
}
if (!achou)
{
StrFileIndiceHashtags sfih = new StrFileIndiceHashtags();
sfih.Hashtag = hashtagAux;
sfih.Ids = new long[1000];
sfih.Ids[0] = oReturn.Id;
sfih.NewLine = '\n';
long position = 0;
if (listaStream[1].Length > 0)
{
position = listaStream[1].Length + 1;
listaStream[1].Position = position;
}
byte[] buf = fw.GetBytes(sfih);
listaStream[1].Write(buf);
}
}
}
}
listaStream[0].Close();
listaStream[1].Close();
listaStream[0].Dispose();
listaStream[1].Dispose();
Console.WriteLine("Pressione uma tecla para continuar.");
Console.ReadKey();
}
catch (Exception ex)
{
throw ex;
}
}
