private Graph RenderGraph(LangFile langFile)
{
var graph = new Graph("OpenFoodFacts Category Taxonomy");
var languageComparer = new LanguageByImportanceComparer(langFile.TranslationSets);
var parentsComparer = new ParentsComparer(new AlphabeticalTranslationSetComparer(languageComparer, EvaluateMostImportantTranslation, GetLabel));
foreach (var translationSet in langFile.TranslationSets.OrderBy(ts => ts.Parents, parentsComparer))
{
if (!translationSet.Translations.Any())
{
continue;
}
var translation = EvaluateMostImportantTranslation(translationSet, languageComparer);
var translationLabel = GetLabel(translation);
if (translationSet.Parents.Any())
{
foreach (var parent in translationSet.Parents)
{
var parentTranslation = EvaluateMostImportantTranslation(parent, languageComparer);
var parentTranslationLabel = GetLabel(parentTranslation);
graph.AddEdge(parentTranslationLabel, translationLabel);
}
}
else
{
graph.AddNode(translationLabel);
}
}
return graph;
}
private static async Task WriteToAsync(TextWriter writer, IReadOnlyList<TranslationSet> translationSets)
{
var languageComparer = new LanguageByImportanceComparer(translationSets);
foreach (var translationSet in translationSets)
{
await WriteToAsync(writer, translationSet, languageComparer);
}
}