public async Task <IActionResult> Edit(long id, [Bind("Id,Name,FunctionalGroupId, Product,Heat,AcidBase,ImageFile,Image,Catalyst,SolventId,Url")] ViewModels.NamedReactionViewModel appNamedreaction, string[] reactants, string[] byProducts, string catalyst, string solvent)
{
if (ModelState.IsValid)
{
if (id != appNamedreaction.Id)
{
return(NotFound());
}
}
var reactionToUpdate = await _context.AppNamedreaction
.Include(i => i.FunctionalGroup)
.Include(i => i.AppNamedreactionReactants)
.ThenInclude(i => i.Reactant)
.Include(i => i.AppNamedreactionByProducts)
.ThenInclude(i => i.Reactant)
.SingleOrDefaultAsync(m => m.Id == id);
if (await TryUpdateModelAsync <NamedReaction>(
reactionToUpdate,
"",
r => r.Name, r => r.Product, r => r.Heat, r => r.AcidBase, r => r.FunctionalGroupId, r => r.CatalystId, r => r.SolventId, r => r.Url))
{
var fileName = _hostingEnvironment.WebRootPath + "/" + reactionToUpdate.Image;
if (appNamedreaction.ImageFile != null)
{
if (System.IO.File.Exists(fileName))
{
System.IO.File.Delete(fileName);
}
reactionToUpdate.Image = "Images/Reactions/" + Guid.NewGuid().ToString() + System.IO.Path.GetFileName(appNamedreaction.ImageFile.FileName);
using (var stream = new System.IO.FileStream(_hostingEnvironment.WebRootPath + "/" + reactionToUpdate.Image, System.IO.FileMode.Create))
{
await appNamedreaction.ImageFile.CopyToAsync(stream);
stream.Close();
}
}
UpdateNamedReactionReactants(reactants, reactionToUpdate);
UpdateNamedReactionByProducts(byProducts, reactionToUpdate);
if (string.IsNullOrEmpty(reactionToUpdate.Url))
{
reactionToUpdate.Url = string.Empty;
}
if (string.IsNullOrEmpty(reactionToUpdate.Product))
{
reactionToUpdate.Product = string.Empty;
}
//try
//{
_context.SaveChanges();
//}
//catch (DbUpdateException /* ex */)
//{
// //Log the error (uncomment ex variable name and write a log.)
// ModelState.AddModelError("", "Unable to save changes. " +
// "Try again, and if the problem persists, " +
// "see your system administrator.");
//}
return(RedirectToAction(nameof(Index)));
}
// PopulateReactantData(appNamedreaction);
ViewData["CatalystId"] = new SelectList(_context.AppCatalyst.OrderBy(i => i.Name.ToLower()).ToList(), "Id", "Name", appNamedreaction.CatalystId);
ViewData["FunctionalGroupId"] = new SelectList(_context.AppFunctionalgroup.OrderBy(i => i.Name.ToLower()).ToList(), "Id", "Name", appNamedreaction.FunctionalGroupId);
ViewData["SolventId"] = new SelectList(_context.AppSolvent.OrderBy(i => i.Name.ToLower()).ToList(), "Id", "Name", appNamedreaction.SolventId);
return(View(appNamedreaction));
}
// GET: Namedreactions/Edit/5
public async Task <IActionResult> Edit(long?id)
{
if (id == null)
{
return(NotFound());
}
var appNamedreaction = await _context.AppNamedreaction
.Include(i => i.FunctionalGroup)
.Include(i => i.AppNamedreactionReactants).ThenInclude(i => i.Reactant)
.Include(i => i.AppNamedreactionByProducts).ThenInclude(i => i.Reactant)
.AsNoTracking()
.SingleOrDefaultAsync(m => m.Id == id);
if (appNamedreaction == null)
{
return(NotFound());
}
ViewModels.NamedReactionViewModel viewModel = new ViewModels.NamedReactionViewModel()
{
Name = appNamedreaction.Name,
Product = appNamedreaction.Product,
Heat = appNamedreaction.Heat,
AcidBase = appNamedreaction.AcidBase,
CatalystId = appNamedreaction.CatalystId,
FunctionalGroupId = appNamedreaction.FunctionalGroupId,
SolventId = appNamedreaction.SolventId,
Url = appNamedreaction.Url,
Image = appNamedreaction.Image
};
PopulateReactantData(appNamedreaction);
List <SelectListItem> acidBaseList = new List <SelectListItem>
{
new SelectListItem {
Value = "AC", Text = "Acid"
},
new SelectListItem {
Value = "BA", Text = "Base"
},
new SelectListItem {
Value = "AB", Text = "Acid Or Base"
},
new SelectListItem {
Value = "NA", Text = "Not Applicable"
}
};
ViewData["AcidBaseList"] = new SelectList(acidBaseList, "Value", "Text", appNamedreaction.AcidBase);
List <SelectListItem> heatList = new List <SelectListItem>
{
new SelectListItem {
Value = "HE", Text = "Heat"
},
new SelectListItem {
Value = "NA", Text = "Not Applicable"
}
};
ViewData["HeatList"] = new SelectList(heatList, "Value", "Text", appNamedreaction.Heat);
ViewData["CatalystId"] = new SelectList(_context.AppCatalyst.OrderBy(i => i.Name.ToLower()).ToList(), "Id", "Name", appNamedreaction.CatalystId);
ViewData["FunctionalGroupId"] = new SelectList(_context.AppFunctionalgroup.OrderBy(i => i.Name.ToLower()).ToList(), "Id", "Name", appNamedreaction.FunctionalGroupId);
ViewData["SolventId"] = new SelectList(_context.AppSolvent.OrderBy(i => i.Name.ToLower()).ToList(), "Id", "Name", appNamedreaction.SolventId);
return(View(viewModel));
}
