private void GetRelatedWords(IElement doc, WordDefinition wordDefinition)
{
if (doc.QuerySelectorAll("a.verb-partner").Any())
{
wordDefinition.RelatedWords.Add(new RelatedWord {
Word = doc.QuerySelectorAll("a.verb-partner").First().TextContent.Trim().RemoveStressMarks(),
Relationship = "partner verb"
});
}
if (doc.QuerySelectorAll("span.adjective-adverb").Any())
{
wordDefinition.RelatedWords.Add(new RelatedWord
{
Word = doc.QuerySelectorAll("span.adjective-adverb").First().TextContent.Trim().RemoveStressMarks(),
Relationship = "adverb"
});
}
foreach (var relatedWordElementDiv in doc.QuerySelectorAll(".relateds2"))
{
foreach (var relatedWordElement in relatedWordElementDiv.QuerySelectorAll("a"))
{
//skip related words that do not have a translation
if (relatedWordElement.ParentElement.QuerySelector("p").TextContent.Trim() == string.Empty)
{
continue;
}
var relatedWord = relatedWordElement.TextContent.Trim().RemoveStressMarks();
wordDefinition.RelatedWords.Add(new RelatedWord {
Word = relatedWord
});
}
}
}
private WordDefinition ScrapeAudio(WordDefinition definition, IElement doc)
{
var audios = doc.QuerySelectorAll("audio");
if (audios.Count() > 0)
{
definition.Word.AudioSources = new List <AudioSource> {
new AudioSource {
Uri = new Uri(audios[0].Attributes["src"].Value)
}
};
}
return(definition);
}
private void GetRank(IElement info, WordDefinition wordDefinition)
{
try
{
var wordRank = info.QuerySelectorAll(".word-rank");
if (wordRank.Count() == 0)
{
return;
}
Match m = Regex.Match(wordRank.First().TextContent, @".*\(#(?<rank>[0-9]*)\)");
if (m.Success)
{
var rank = m.Groups["rank"].Value;
wordDefinition.Rank = Int32.Parse(rank);
}
}
catch (Exception ex) {
Console.WriteLine($"Exception: Could not parse the word rank: {ex.Message}");
}
}
private async Task GetSamples(WordDefinition wordDefinition)
{
var audioSourceDictionary = new Dictionary <string, List <AudioSource> >();
var sampleDictionary = new Dictionary <string, List <Sample> >();
foreach (var word in wordDefinition.WordForms.Select(wf => wf.Word).Union(new[] { wordDefinition.Word.Word }).Distinct())
{
if (word.Split(" ").Count() > 1)
{
continue; //skip forms with multiple words
}
var contentSegment = _serviceProvider.GetRequiredService <ContentSegment>();
contentSegment.Url = $"https://forvo.com/word/{word}/#ru";
contentSegment.Select = "span.play";
var wordAudioElements = await(new Composition {
Return = contentSegment
}).Return.DocumentElement();
var audioSources = new List <AudioSource>();
foreach (var element in wordAudioElements)
{
var onclick = element.GetAttribute("onclick");
var onclickParts = onclick.Split(',');
if (onclickParts.Count() >= 5)
{
var source = Encoding.UTF8.GetString(Convert.FromBase64String(onclickParts[4].Trim(new[] { '\'', '"' })));
source = $"https://audio00.forvo.com/audios/mp3/{source}";
Uri uri;
if (Uri.TryCreate(source, UriKind.Absolute, out uri))
{
audioSources.Add(new AudioSource {
Uri = uri
});
}
}
}
audioSourceDictionary.Add(word, audioSources);
var contentSegmentPhrase = _serviceProvider.GetRequiredService <ContentSegment>();
contentSegmentPhrase.Url = $"https://forvo.com/search/{word}/ru/";
contentSegmentPhrase.Select = "li.list-phrases";
var phraseElements = await(new Composition {
Return = contentSegmentPhrase
}).Return.DocumentElement();
var phraseAudioElements = phraseElements.QuerySelectorAll("span.play");
var phrases = new List <Sample>();
foreach (var element in phraseAudioElements)
{
var phraseText = element.GetAttribute("title").Replace("Listen", "").Replace("pronunciation", "").Trim();
if (!phraseText.ToLower().Contains(word))
{
continue;
}
//skip quotes
if (phraseText.Contains("[") || phraseText.Contains("("))
{
continue;
}
var onclick = element.GetAttribute("onclick");
var onclickParts = onclick.Split(',');
if (onclickParts.Count() >= 3)
{
var source = Encoding.UTF8.GetString(Convert.FromBase64String(onclickParts[1].Trim(new[] { '\'', '"' })));
source = $"https://audio00.forvo.com/phrases/mp3/{source}";
Uri uri;
if (Uri.TryCreate(source, UriKind.Absolute, out uri))
{
phrases.Add(new Sample
{
AudioSource = new AudioSource {
Uri = uri
},
SampleText = phraseText,
//Translation = await _translator.Translate(phraseText) //google translation API is not working because of rate limit or something
});
}
}
}
sampleDictionary.Add(word, phrases);
}
foreach (var wordForm in wordDefinition.WordForms)
{
if (audioSourceDictionary.ContainsKey(wordForm.Word))
{
wordForm.AudioSources.AddRange(audioSourceDictionary[wordForm.Word]);
}
if (sampleDictionary.ContainsKey(wordForm.Word))
{
wordForm.Samples.AddRange(sampleDictionary[wordForm.Word]);
}
}
if (audioSourceDictionary.ContainsKey(wordDefinition.Word.Word))
{
wordDefinition.Word.AudioSources.AddRange(audioSourceDictionary[wordDefinition.Word.Word]);
}
if (sampleDictionary.ContainsKey(wordDefinition.Word.Word))
{
wordDefinition.Word.Samples.AddRange(sampleDictionary[wordDefinition.Word.Word]);
}
}
private async Task <WordDefinition> CreateWordDefinition(IElement doc, ORWordInfo info, bool getSamples = true)
{
var wordDefinition = new WordDefinition()
{
Word = new WordForm()
{
Word = info.Word.RemoveStressMarks(),
StressedWord = info.StressedWord
}
};
var translationSpan = doc.QuerySelectorAll("div.translations span.editable");
if (translationSpan.Count() > 0)
{
wordDefinition.Translations.AddRange(translationSpan.First().TextContent.Replace(", ", ",").Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries));
}
var infoDiv = doc.QuerySelectorAll("div.info");
if (infoDiv.Count() == 0)
{
throw new Exception("Word info counld not be found");
}
GetRank(infoDiv.First(), wordDefinition);
var infoDivContent = infoDiv.First().InnerHtml.ToLower();
try
{
var wordDetails = infoDivContent.Substring(0, infoDivContent.IndexOf("<br>")).Trim().Split(",");
if (wordDetails.Length == 0)
{
throw new Exception($"No word details found for word: {wordDefinition.Word.Word}");
}
wordDefinition.WordType = wordDetails[0].Trim();
for (int i = 1; i < wordDetails.Length; i++)
{
wordDefinition.Tags.Add(wordDetails[i].Trim());
}
}catch (Exception ex)
{
_logger.LogError($"Could not find detail information for word: {info.StressedWord} ");
}
//nouns and adjectives
var declensionDiv = doc.QuerySelectorAll("div.declension");
if (declensionDiv.Count() > 0)
{
int headerRowIndex = 0;
var formRows = declensionDiv[0].QuerySelectorAll("tr");
for (int i = 0; i < formRows.Length; i++)
{
if (formRows[i].QuerySelectorAll("th").Any() && formRows[i].ParentElement.LocalName == "thead")
{
headerRowIndex = i;
continue;
}
// skip column spans above the header row. This can happen for adjectives
if (formRows[i].QuerySelectorAll("td").Any() && formRows[i].QuerySelector("td").HasAttribute("colspan"))
{
continue;
}
for (int j = 1; j < formRows[i].Children.Length; j++)
{
string formDescription = "";
if (formRows[headerRowIndex].Children[j].QuerySelectorAll("span.long").Any())
{
formDescription = formRows[headerRowIndex].Children[j].QuerySelector("span.long").TextContent.Trim().ToLower() + " " + formRows[i].Children[0].QuerySelector("span.long").TextContent.Trim().ToLower();
}
else
{
formDescription = formRows[headerRowIndex].Children[j].TextContent.Trim().ToLower() + " " + formRows[i].Children[0].QuerySelector("span.long").TextContent.Trim().ToLower();
}
if (formRows[i].Children[j].TextContent.Trim() == "-")
{
continue;
}
if (formRows[i].Children[j].QuerySelector("span.editable").InnerHtml.Contains("<br>"))
{
wordDefinition.WordForms.Add(new WordForm
{
Word = formRows[i].Children[j].QuerySelector("span.editable").InnerHtml.Split("<br>")[0].Trim().RemoveStressMarks(),
StressedWord = formRows[i].Children[j].QuerySelector("span.editable").InnerHtml.Split("<br>")[0].Trim(),
FormDescription = formDescription
});
wordDefinition.WordForms.Add(new WordForm
{
Word = formRows[i].Children[j].QuerySelector("span.editable").InnerHtml.Split("<br>")[1].Trim().RemoveStressMarks(),
StressedWord = formRows[i].Children[j].QuerySelector("span.editable").InnerHtml.Split("<br>")[1].Trim(),
FormDescription = formDescription + " (second form)"
});
}
else
{
wordDefinition.WordForms.Add(new WordForm
{
Word = formRows[i].Children[j].QuerySelector("span.editable").TextContent.Trim().RemoveStressMarks(),
StressedWord = formRows[i].Children[j].QuerySelector("span.editable").TextContent.Trim(),
FormDescription = formDescription
});
}
}
}
}
//adjectives
var shortFormDiv = doc.QuerySelectorAll("div.shorts");
if (shortFormDiv.Count() > 0)
{
var formValues = shortFormDiv[0].QuerySelectorAll("span.editable");
if (formValues.Count() == 4)
{
wordDefinition.WordForms.Add(new WordForm
{
Word = formValues[0].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = formValues[0].InnerHtml.Trim(),
FormDescription = "short form masculine"
});
wordDefinition.WordForms.Add(new WordForm
{
Word = formValues[1].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = formValues[1].InnerHtml.Trim(),
FormDescription = "short form feminine"
});
wordDefinition.WordForms.Add(new WordForm
{
Word = formValues[2].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = formValues[2].InnerHtml.Trim(),
FormDescription = "short form neuter"
});
wordDefinition.WordForms.Add(new WordForm
{
Word = formValues[3].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = formValues[3].InnerHtml.Trim(),
FormDescription = "short form plural"
});
}
}
var imperitiveFormDiv = doc.QuerySelectorAll("div.imperative");
if (imperitiveFormDiv.Count() > 0)
{
var imperitiveFormValues = imperitiveFormDiv[0].QuerySelectorAll("span.editable");
if (imperitiveFormValues.Count() == 2)
{
wordDefinition.WordForms.Add(new WordForm
{
Word = imperitiveFormValues[0].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = imperitiveFormValues[0].InnerHtml.Trim(),
FormDescription = "imperative singular"
});
wordDefinition.WordForms.Add(new WordForm
{
Word = imperitiveFormValues[1].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = imperitiveFormValues[1].InnerHtml.Trim(),
FormDescription = "imperative plural"
});
}
}
var pastFormDiv = doc.QuerySelectorAll("div.past");
if (pastFormDiv.Count() > 0)
{
var formValues = pastFormDiv[0].QuerySelectorAll("span.editable");
if (formValues.Count() == 4)
{
wordDefinition.WordForms.Add(new WordForm
{
Word = formValues[0].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = formValues[0].InnerHtml.Trim(),
FormDescription = "past masculine"
});
wordDefinition.WordForms.Add(new WordForm
{
Word = formValues[1].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = formValues[1].InnerHtml.Trim(),
FormDescription = "past feminine"
});
wordDefinition.WordForms.Add(new WordForm
{
Word = formValues[2].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = formValues[2].InnerHtml.Trim(),
FormDescription = "past neuter"
});
wordDefinition.WordForms.Add(new WordForm
{
Word = formValues[3].InnerHtml.Trim().RemoveStressMarks(),
StressedWord = formValues[3].InnerHtml.Trim(),
FormDescription = "past plural"
});
}
}
var presentFutureFormDiv = doc.QuerySelectorAll("div.presfut");
if (presentFutureFormDiv.Count() > 0)
{
var formRows = presentFutureFormDiv[0].QuerySelectorAll("tr");
for (int i = 0; i < formRows.Length; i++)
{
if (i == 0)
{
continue;
}
for (int j = 1; j < formRows[i].Children.Length; j++)
{
var form = formRows[0].Children[j].TextContent.Trim().ToLower() + " " + MapConjegationType(formRows[i].Children[0].TextContent);
if (formRows[i].Children[j].TextContent == "-")
{
continue;
}
wordDefinition.WordForms.Add(new WordForm
{
Word = formRows[i].Children[j].TextContent.Trim().RemoveStressMarks(),
StressedWord = formRows[i].Children[j].TextContent.Trim(),
FormDescription = form
});
}
}
}
if (getSamples)
{
wordDefinition = ScrapeAudio(wordDefinition, doc);
await GetSamples(wordDefinition);
}
GetRelatedWords(doc, wordDefinition);
return(wordDefinition);
}