private MetaData extractTitleFrom(LinkPreviewData data)
{
TitleData result = _metaDataFactory.CreateNew(MetaDataType.Title) as TitleData;
result.Content = data.title;
return(result);
}
private TitleData convertTitleDataFrom(IDataReader reader)
{
Guid metaDataGuid = new Guid(Convert.ToString(reader[METADATA_ID]));
TitleData result = new TitleData(metaDataGuid, Convert.ToString(reader[METADATA_INHALT]));
result.ShowInPreview = Convert.ToBoolean(reader[METADATA_SHOWINPREVIEW]);
return(result);
}
private TitleData extractTitle(PdfDocumentInfo info)
{
string title = info.GetTitle();
if (string.IsNullOrEmpty(title))
{
return(null);
}
TitleData result = _metaDataFactory.CreateNew(MetaDataType.Title) as TitleData;
result.Content = title;
return(result);
}
public Result Extract()
{
PdfDocumentInfo info;
using (FileStream fileStream = File.OpenRead(_path))
{
PdfReader reader = new PdfReader(fileStream);
PdfDocument pdfDocument = new PdfDocument(reader);
info = pdfDocument.GetDocumentInfo();
}
TitleData title = extractTitle(info);
AuthorData authors = extractAuthors(info);
TagsData tags = extractTags(info);
return(new Result(title, authors, tags));
}
public void AddOrReplace(MetaData metaData, Guid entryID)
{
string inhalt;
switch (metaData.Type)
{
case MetaDataType.CreationDate:
CreationDateData cdd = (CreationDateData)metaData;
inhalt = cdd.Date.ToString();
break;
case MetaDataType.LastChangedDate:
LastChangeDateData lcd = (LastChangeDateData)metaData;
inhalt = lcd.Date.ToString();
break;
case MetaDataType.Title:
TitleData td = (TitleData)metaData;
inhalt = td.Content;
break;
case MetaDataType.Author:
AuthorData ad = (AuthorData)metaData;
inhalt = string.Empty;
List <Author> authors = ad.AuthorsCopy;
foreach (Author author in authors)
{
_authorTable.AddOrReplace(author, metaData.ID);
}
break;
case MetaDataType.Tags:
TagsData tad = (TagsData)metaData;
inhalt = string.Empty;
List <Tag> tags = tad.TagsCopy;
foreach (Tag tag in tags)
{
_tagsTable.AddOrReplace(tag, metaData);
}
break;
case MetaDataType.Comment:
CommentData commentData = (CommentData)metaData;
inhalt = commentData.Content;
break;
case MetaDataType.Description:
DescriptionData descriptionData = (DescriptionData)metaData;
inhalt = descriptionData.Content;
break;
case MetaDataType.PreviewImage:
PreviewImageData previewData = (PreviewImageData)metaData;
inhalt = previewData.IsEmpty ? string.Empty : previewData.Uri.AbsoluteUri;
break;
default:
throw new NotImplementedException();
}
string command = createAddOrReplaceMetaDataCommand(metaData, inhalt, entryID);
executeNonQuery(command);
}
public Result(TitleData title, AuthorData authors, TagsData tags)
{
Title = title;
Authors = authors;
Tags = tags;
}