public async Task <IActionResult> Edit(int id, [Bind("AmazonKeywordID,Keyword")] AmazonKeyword amazonKeyword)
{
if (id != amazonKeyword.AmazonKeywordID)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(amazonKeyword);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!AmazonKeywordExists(amazonKeyword.AmazonKeywordID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction("Index"));
}
return(View(amazonKeyword));
}
public async Task <IActionResult> Create([Bind("AmazonKeywordID,Keyword")] AmazonKeyword amazonKeyword)
{
if (ModelState.IsValid)
{
_context.Add(amazonKeyword);
await _context.SaveChangesAsync();
return(RedirectToAction("Index"));
}
return(View(amazonKeyword));
}
private void UpdateProductKeywords(IList <AssignedKeywordsViewModel> selectedKeywords, AmazonProduct productToUpdate)
{
var keywordsFromDb = _context.AmazonKeywords
.ToDictionary(c => c.Keyword,
c => c.AmazonKeywordID);
for (int i = 0; i < selectedKeywords.Count; i++)
{
KeywordAssignment keywordToRemove = productToUpdate.Keywords.SingleOrDefault(a => a.Order == i);
if (keywordToRemove != null)
{
_context.Remove(keywordToRemove);
_context.SaveChanges();
}
if (selectedKeywords[i].Keyword != null)
{
if (keywordsFromDb.Keys.Contains(selectedKeywords[i].Keyword))
{
productToUpdate.Keywords.Add(new KeywordAssignment {
ProductID = productToUpdate.AmazonProductID, KeywordID = keywordsFromDb[selectedKeywords[i].Keyword], Order = i
});
}
else
{
AmazonKeyword newKeyword = new AmazonKeyword {
Keyword = selectedKeywords[i].Keyword
};
_context.AmazonKeywords.Add(newKeyword);
_context.SaveChanges();
productToUpdate.Keywords.Add(new KeywordAssignment {
ProductID = productToUpdate.AmazonProductID, KeywordID = newKeyword.AmazonKeywordID, Order = i
});
keywordsFromDb[newKeyword.Keyword] = newKeyword.AmazonKeywordID;
}
}
}
}