private static List <Book> BooksFromNode(HtmlNodeCollection nodeCollection)
{
/*
* <dc_relation>
* <MEK>
* <MEK_name>Gárdonyi Géza: Bojgás az világba</MEK_name>
* <MEK_URL>http://mek.oszk.hu/05700/05712/</MEK_URL>
* </MEK>
* </dc_relation>
*/
var books = new List <Book>();
foreach (var node in nodeCollection)
{
try
{
var title = node.ChildNodes["mek"]?.ChildNodes["mek_name"]?.InnerText;
var url = node.ChildNodes["mek"]?.ChildNodes["mek_url"]?.InnerText;
var catalog = CatalogResolver.Resolve(url);
books.Add(new Book()
{
FullTitle = MekConvert.ClearText(title),
Id = catalog?.Id,
UrlId = catalog?.UrlId
});
}
catch
{
//TODO: log
}
}
return(books);
}
private static List <Contributor> ContributorsFromNode(HtmlNodeCollection nodeCollection)
{
if (nodeCollection == null)
{
return(null);
}
var contributors = new List <Contributor>();
foreach (var node in nodeCollection)
{
try
{
contributors.Add(new Contributor()
{
FamilyName = MekConvert.ClearText(node.ChildNodes["familyname"]?.InnerText),
GivenName = MekConvert.ClearText(node.ChildNodes["givenname"]?.InnerText),
Role = MekConvert.ClearText(node.ChildNodes["role"]?.InnerText),
IsFamilyFirst = MekConvert.ClearText(node.ChildNodes["invert"].InnerText) == "nem"
});
}
catch
{
//TODO: log
}
}
return(contributors);
}
public static Book CreateBookFromIndex(string content)
{
var book = new Book();
var html = new HtmlDocument();
html.Load(new StringReader(content));
var doc = html.DocumentNode;
var url = StringFromNode(doc.SelectNodes("//mek2/dc_identifier/url"));
var catalog = CatalogResolver.Resolve(url);
book.Id = catalog?.Id;
book.UrlId = catalog?.UrlId;
book.Metadata.MekUrl = url;
book.MekId = StringFromNode(doc.SelectNodes("//mek2/dc_identifier/mekid"));
book.Urn = StringFromNode(doc.SelectNodes("//mek2/dc_identifier/urn"));
book.Title = MekConvert.ClearText(StringFromNode(doc.SelectNodes("//mek2/dc_title/main")));
Uri source = null;
Uri.TryCreate(StringFromNode(doc.SelectNodes("//mek2/dc_source/act_url")), UriKind.RelativeOrAbsolute, out source);
book.Source = source;
book.Type = StringListFromNode(doc.SelectNodes("//mek2/dc_type"));
book.Topics = new List <string>();
book.Topics.Add(StringFromNode(doc.SelectNodes("//mek2/dc_subject/topicgroup/broadtopic")));
book.Topics.Add(StringFromNode(doc.SelectNodes("//mek2/dc_subject/topicgroup/topic")));
book.Topics.Add(StringFromNode(doc.SelectNodes("//mek2/dc_subject/topicgroup/subtopic")));
book.KeyWords = StringListFromNode(doc.SelectNodes("//mek2/dc_subject/keyword"));
book.Period = StringFromNode(doc.SelectNodes("//mek2/dc_subject/period"));
book.Language = StringFromNode(doc.SelectNodes("//mek2/dc_language/lang"));
book.Creators = ContributorsFromNode(doc.SelectNodes("//mek2/dc_creator"));
book.Author = book.Creators?.First()?.ToString();
book.Contributors = ContributorsFromNode(doc.SelectNodes("//mek2/dc_contributor"));
var publisher = doc.SelectNodes("//mek2/dc_publisher")?.First();
if (publisher != null)
{
book.Publisher = MekConvert.ClearText(publisher.ChildNodes["pub_name"]?.InnerText);
book.PublishPlace = MekConvert.ClearText(publisher.ChildNodes["place"]?.InnerText);
book.PublishYear = MekConvert.ClearText(publisher.ChildNodes["publishYear"]?.InnerText);
}
book.Related = BooksFromNode(doc.SelectNodes("//mek2/dc_relation"));
return(book);
}
public static Book CreateBookFromContentsPage(string pageContent)
{
var book = new Book();
var document = new HtmlDocument();
document.Load(new StringReader(pageContent));
var root = document.DocumentNode;
book.Contents = MekConvert.ClearText(root.SelectNodes("//tartalom").FirstOrDefault()?.InnerText);
book.Prologue = root.SelectNodes("//eloszo").FirstOrDefault()?.InnerText;
book.Epilogue = root.SelectNodes("//utoszo").FirstOrDefault()?.InnerText;
book.Summary = root.SelectNodes("//ismerteto").FirstOrDefault()?.InnerText;
return(book);
}
private static List <string> StringListFromNode(HtmlNodeCollection nodeCollection, string nodeName = null)
{
if (nodeCollection == null)
{
return(null);
}
var strings = new List <string>();
foreach (var node in nodeCollection)
{
string text = (nodeName != null) ?
node.ChildNodes[nodeName]?.InnerText :
node.InnerText;
if (!string.IsNullOrWhiteSpace(text))
{
strings.Add(MekConvert.ClearText(text));
}
}
return(strings);
}
public static AudioBookTrack CreateAudioBookTrack(string url, string trackLine)
{
var track = new AudioBookTrack();
// Filename and title match
var basicMatch = new Regex(@"((\d+)?.+\.(mp3))?\s?-\s?(.+)").Match(trackLine);
//Eg: "01_bojgas.mp3 - Itt kezdődik (10:53 min. 7,8 Mbyte)"
// 2 1 3 4
if (basicMatch.Success && !string.IsNullOrEmpty(basicMatch.Groups[1].Value))
{
track.FileName = MekConvert.Trim(basicMatch.Groups[1].Value);
track.FileUrl = new Uri($"{url}{track.FileName}");
track.Title = MekConvert.ClearText(basicMatch.Groups[4].Value);
}
else
{
throw new FormatException($"{trackLine} could not be parsed");
}
//Title strip
var titleMatch = new Regex(@"(.+)[(](.*)[)]").Match(track.Title);
//Eg: Itt kezdődik (10:53 min. 7,8 Mbyte)"
// 1 2
if (titleMatch.Success && !string.IsNullOrEmpty(titleMatch.Groups[1].Value))
{
track.Title = MekConvert.ClearText(titleMatch.Groups[1].Value);
track.MetaData = titleMatch.Groups[2].Value.Trim();
}
//Size strip
var sizeMatch = new Regex(@"((\d+[.,]?\d+)\s*([MmKk](ega|ilo)?[Bb](yte|ajt|ájt)?))").
Match(track.MetaData ?? "");
//Eg: 7,8 Mbyte
// 2 3
if (sizeMatch.Success && !string.IsNullOrEmpty(sizeMatch.Groups[1].Value))
{
track.Size = sizeMatch.Groups[1].Value.Trim();
}
//Length strip
var lengthMatch = new Regex(@"(((\d+):)?(\d+):+(\d+))\s*(min|perc)").
Match(track.MetaData ?? "");
//Eg: 0:10:53 perc
// 3 4 5
if (lengthMatch.Success && !string.IsNullOrEmpty(lengthMatch.Groups[1].Value))
{
track.Length = lengthMatch.Groups[1].Value.Trim();
var timeSpan = new TimeSpan();
try
{
//TimeSpan.TryParseExact(track.Length, "t", new CultureInfo("hu-HU"), out timeSpan);
timeSpan = new TimeSpan(
Convert.ToInt32("0" + lengthMatch.Groups[3].Value),
Convert.ToInt32("0" + lengthMatch.Groups[4].Value),
Convert.ToInt32("0" + lengthMatch.Groups[5].Value)
);
}
catch (Exception e)
{
//TODO: log properly parsing error
throw e;
}
finally {
track.LengthTotalSeconds = (int)timeSpan.TotalSeconds;
}
}
return(track);
}
