private void UpdateResearcherExpertises(string[] selectedOptions, Researcher researcherToUpdate)
{
if (selectedOptions == null)
{
researcherToUpdate.ResearchExpertises = new List <ResearchExpertise>();
return;
}
var selectedOptionsHS = new HashSet <string>(selectedOptions);
var resExpertises = new HashSet <int>(researcherToUpdate.ResearchExpertises.Select(b => b.ExpertiseID));
foreach (var s in _context.Expertises)
{
if (selectedOptionsHS.Contains(s.ID.ToString()))
{
if (!resExpertises.Contains(s.ID))
{
researcherToUpdate.ResearchExpertises.Add(new ResearchExpertise
{
ExpertiseID = s.ID,
ResearcherID = researcherToUpdate.ID
});
}
}
else
{
if (resExpertises.Contains(s.ID))
{
ResearchExpertise specToRemove = researcherToUpdate.ResearchExpertises.SingleOrDefault(d => d.ExpertiseID == s.ID);
_context.Remove(specToRemove);
}
}
}
}
private void UpdatePaperKeywords(string[] selectedOptions, PaperInfo paperInfoToUpdate)
{
if (selectedOptions == null)
{
paperInfoToUpdate.PaperKeywords = new List <PaperKeyword>();
return;
}
var selectedOptionsHS = new HashSet <string>(selectedOptions);
var papKey = new HashSet <int>(paperInfoToUpdate.PaperKeywords.Select(b => b.KeywordID));
foreach (var s in _context.Keywords)
{
if (selectedOptionsHS.Contains(s.ID.ToString()))
{
if (!papKey.Contains(s.ID))
{
paperInfoToUpdate.PaperKeywords.Add(new PaperKeyword
{
KeywordID = s.ID,
PaperInfoID = paperInfoToUpdate.ID
});
}
}
else
{
if (papKey.Contains(s.ID))
{
PaperKeyword specToRemove = paperInfoToUpdate.PaperKeywords.SingleOrDefault(d => d.KeywordID == s.ID);
_context.Remove(specToRemove);
}
}
}
}