public ContentIndex Build(string paragraph)
{
if (string.IsNullOrWhiteSpace(paragraph))
{
return(null);
}
var result = new ContentIndex
{
Content = paragraph,
Lines = new List <LineIndex>(),
AllWords = new List <WordFrequency>()
};
var lines = StringProcessor.GetSentences(paragraph);
var lineIndex = 0;
foreach (var line in lines)
{
var words = StringProcessor.GetWordsLower(line);
result.Lines.Add(new LineIndex
{
Id = ++lineIndex,
Line = line,
WordIndex = GetWordFrequency(words).ToList()
});
}
var allWordCombinationsInAllLines = result.Lines.Select(l => l.WordIndex);
result.AllWords = GetCombinedWordFrequency(allWordCombinationsInAllLines)
.ToList();
return(result);
}
