public void Update(Guid paragraphId, Paragraph newParagraphData)
{
if (ParagraphRepository.Exists(paragraphId))
{
Paragraph paragraphToUpdate = ParagraphRepository.GetById(paragraphId);
if (paragraphToUpdate.Position != newParagraphData.Position)
{
IEnumerable <Paragraph> paragraphsInDocument = ParagraphRepository.GetAllByDocument(paragraphToUpdate.DocumentThatBelongs.Id);
int newPosition = newParagraphData.Position;
int maxPosition = paragraphsInDocument.Count() - 1;
if (newPosition > maxPosition || newPosition < 0)
{
throw new InvalidPositionException("This position is not valid for the document in question.");
}
else
{
Paragraph swappedParagraph = paragraphsInDocument.First(p => p.Position == newPosition);
swappedParagraph.Position = paragraphToUpdate.Position;
ParagraphRepository.Update(swappedParagraph);
paragraphToUpdate.Position = newPosition;
}
}
if (newParagraphData.StyleClass != null && !StyleClassRepository.Exists(newParagraphData.StyleClass.Name))
{
newParagraphData.StyleClass = null;
}
paragraphToUpdate.StyleClass = newParagraphData.StyleClass;
ParagraphRepository.Update(paragraphToUpdate);
}
else
{
throw new MissingParagraphException("This paragraph is not in the database.");
}
}
public void Delete(Guid paragraphId)
{
if (ParagraphRepository.Exists(paragraphId))
{
Paragraph paragraphToDelete = ParagraphRepository.GetById(paragraphId);
IEnumerable <Paragraph> paragraphsInDocument = ParagraphRepository.GetAllByDocument(paragraphToDelete.DocumentThatBelongs.Id);
foreach (Paragraph paragraphInDocument in paragraphsInDocument)
{
if (paragraphInDocument.Position > paragraphToDelete.Position)
{
paragraphInDocument.Position--;
ParagraphRepository.Update(paragraphInDocument);
}
}
ParagraphRepository.Delete(paragraphId);
}
else
{
throw new MissingParagraphException("This paragraph is not in the database");
}
}