public IActionResult AddToComparison(int?id)
{
// Find the object by id in the db (with its images)
GuitarViewModel obj = new GuitarViewModel(_db.Guitars.Find(id),
_db.Images.Where(i => i.GuitarID == id.ToString()));
// Get the current session comparison model
GuitarComparisonViewModel compModel = HttpContext.Session.Get <GuitarComparisonViewModel>(SiteConstants.SessionName);
if (compModel == null)
{
HttpContext.Session.Set(SiteConstants.SessionName, new GuitarComparisonViewModel());
compModel = HttpContext.Session.Get <GuitarComparisonViewModel>(SiteConstants.SessionName);
}
// Check if the obj found is already part of the comparison. (Early Out)
if (compModel.IsInComparison(obj))
{
return(RedirectToAction("Index", "Guitar"));
}
// If the comparison is full, replace guitar 1 with 2, then set 2 to the new object
if (compModel.IsFull())
{
compModel.Guitar1 = compModel.Guitar2;
compModel.Guitar2 = obj;
}
else if (compModel.Guitar1 == null)
{
compModel.Guitar1 = obj;
}
else if (compModel.Guitar2 == null)
{
compModel.Guitar2 = obj;
}
// Set the session and redirect
HttpContext.Session.Set(SiteConstants.SessionName, compModel);
return(RedirectToAction("Compare", "Guitar"));
}
public IActionResult RemoveFromComparison(int?id)
{
// Find the object by id in the db (with its images)
GuitarViewModel obj = new GuitarViewModel(_db.Guitars.Find(id),
_db.Images.Where(i => i.GuitarID == id.ToString()));
GuitarComparisonViewModel compModel = HttpContext.Session.Get <GuitarComparisonViewModel>(SiteConstants.SessionName);
if (compModel.IsInComparison(obj))
{
if (compModel.Guitar1.Guitar.Id == obj.Guitar.Id)
{
compModel.Guitar1 = null;
}
else
{
compModel.Guitar2 = null;
}
}
HttpContext.Session.Set <GuitarComparisonViewModel>(SiteConstants.SessionName, compModel);
return(RedirectToAction("Index", "Guitar"));
}
