private void UpdateFormulaDetailTaxonomies(string[] selectedTaxonomies, FormulaDetail formulaDetailToUpdate)
{
if (selectedTaxonomies == null)
{
formulaDetailToUpdate.Taxonomies = new List<Taxonomy>();
return;
}
var selectedCoursesHS = new HashSet<string>(selectedTaxonomies);
var instructorCourses = new HashSet<int>
(formulaDetailToUpdate.Taxonomies.Select(c => c.TaxonomyID));
foreach (var taxonomy in db.Taxonomies)
{
if (selectedCoursesHS.Contains(taxonomy.TaxonomyID.ToString()))
{
if (!instructorCourses.Contains(taxonomy.TaxonomyID))
{
formulaDetailToUpdate.Taxonomies.Add(taxonomy);
}
}
else
{
if (instructorCourses.Contains(taxonomy.TaxonomyID))
{
formulaDetailToUpdate.Taxonomies.Remove(taxonomy);
}
}
}
}
private void PopulateAssignedFormulaDetailData(FormulaDetail formulaDetail)
{
var allTaxonomies = db.Taxonomies;
var formulaDetailTaxonomies = new HashSet<int>();
if (formulaDetail != null)
formulaDetailTaxonomies = new HashSet<int>(formulaDetail.Taxonomies.Select(c => c.TaxonomyID));
var viewModel = new List<AssignedFormulaDetailData>();
foreach (var taxonomy in allTaxonomies)
{
viewModel.Add(new AssignedFormulaDetailData
{
TaxonomyID = taxonomy.TaxonomyID,
TaxonomyName = taxonomy.Name,
Assigned = formulaDetailTaxonomies.Contains(taxonomy.TaxonomyID)
});
}
ViewBag.Taxonomies = viewModel;
}