public void FromTag(string original, string text, string tag)
{
var created = HashTagData.FromTag(original);
Assert.AreEqual(tag, created.Tag);
Assert.AreEqual(text, created.Text);
}
public void GenerateExpectedBehavior()
{
var instance = new SmartCaption("Message Conto #love", new[] { HashTagData.FromTag("#love") });
instance.AddTag(HashTagData.FromText("Love"));
Assert.AreEqual("Message Conto #love", instance.Generate());
instance.AddTag(HashTagData.FromText("Lovex"));
Assert.AreEqual("Message Conto #love #lovex", instance.Generate());
}
public async Task <HashTagData[]> Get(SmartCaption caption)
{
log.LogDebug("Finding similar posts - [{0}]", caption.Original);
var tags = caption.Tags.ToString();
if (tags.Length < 3)
{
return(new HashTagData[] {});
}
foreach (var tag in caption.Tags)
{
var topMedia = await instagram.Resilience.WebPolicy
.ExecuteAsync(
() => ResultExtension.UnWrap(() => instagram.HashtagProcessor.GetTopHashtagMediaListAsync(tag.Text, PaginationParameters.MaxPagesToLoad(1)), log))
.ConfigureAwait(false);
foreach (var media in topMedia.Medias)
{
var text = media.Caption?.Text;
if (string.IsNullOrEmpty(text))
{
continue;
}
var smart = captionHandler.Extract(text);
var bag = BagOfWords.Create(smart.Tags.Select(item => item.Tag).ToArray());
similarity.Register(bag);
}
}
var result = similarity.FindSimilar(BagOfWords.Create(caption.Tags.Select(item => item.Tag).ToArray()));
return(result.SelectMany(
item => item.Document.Words.Select(
x =>
{
var tag = HashTagData.FromTag(x.Text);
tag.Relevance = (int)(100 * item.Similarity);
return tag;
}))
.ToArray());
}
public SmartCaption Extract(string caption)
{
if (caption == null)
{
return(new SmartCaption(caption, new HashTagData[] {}));
}
var table = new Dictionary <string, HashTagData>(StringComparer.OrdinalIgnoreCase);
int?begin = null;
for (int i = 0; i < caption.Length; i++)
{
var current = caption[i];
if (current == '#')
{
if (begin != null)
{
var tag = HashTagData.FromTag(caption.Substring(begin.Value, i - begin.Value));
table[tag.Tag] = tag;
}
begin = i;
}
else if (!char.IsLetterOrDigit(current) && current != '_' && begin != null)
{
var tag = HashTagData.FromTag(caption.Substring(begin.Value, i - begin.Value));
table[tag.Tag] = tag;
begin = null;
}
}
if (begin != null)
{
var tag = HashTagData.FromTag(caption.Substring(begin.Value, caption.Length - begin.Value));
table[tag.Tag] = tag;
}
return(new SmartCaption(caption, table.Values.ToArray()));
}
public void FromTagArgumnets()
{
Assert.Throws <ArgumentNullException>(() => HashTagData.FromTag(null));
Assert.Throws <ArgumentOutOfRangeException>(() => HashTagData.FromTag("text"));
}
