private TagsData convertTagsDataFrom(IDataReader reader)
{
Guid metaDataGuid = new Guid(Convert.ToString(reader[METADATA_ID]));
List <Tag> tags = _tagsTable.GetAllTagsOf(metaDataGuid);
TagsData result = new TagsData(metaDataGuid, tags);
result.ShowInPreview = Convert.ToBoolean(reader[METADATA_SHOWINPREVIEW]);
return(result);
}
private TagsData extractTags(PdfDocumentInfo info)
{
string[] tags = separate(info.GetKeywords());
if (tags.Length == 0)
{
return(null);
}
TagsData result = _metaDataFactory.CreateNew(MetaDataType.Tags) as TagsData;
foreach (string tag in tags)
{
result.AddTag(new Tag(Guid.NewGuid(), tag));
}
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 DeleteAllTagsOf(TagsData tagsData)
{
string command = "DELETE FROM " + TABLE_NAME + " WHERE " + TAG_META_ID + " = '" + tagsData.ID.ToString() + "'";
executeNonQuery(command);
}
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;
}
