public ActionResult ListJson()
{
//listan muodostus
List <LocatedAssetsViewModel> model = new List <LocatedAssetsViewModel>();
//TIETOKANTAYHTEYS
Asset2Entities entities = new Asset2Entities();
try
{
//haetaan tietoja tietokannasta
List <AssetLocations> assets = entities.AssetLocations.ToList();
//muodostetaan näkymämalli tietokannan rivien pohjalta
CultureInfo fiFi = new CultureInfo("fi-Fi");
foreach (AssetLocations asset in assets)
{
LocatedAssetsViewModel view = new LocatedAssetsViewModel();
view.Id = asset.Id;
view.LocationCode = asset.AssetLocation.Code;
view.LocationName = asset.AssetLocation.Name;
view.AssetCode = asset.Assets.Code;
view.AssetName = asset.Assets.Type + ": " + asset.Assets.Model;
view.LastSeen = asset.LastSeen.Value.ToString(fiFi);
model.Add(view);
}
}
//muistinvapautus
finally
{
entities.Dispose();
}
//palautetaan ylempänä luotu model-niminen lista
return(Json(model, JsonRequestBehavior.AllowGet));
}
public JsonResult AssignLocation() //JsonResult=palauttaa Jsonia, AssignLocation=rutiinin nimi
{
string json = Request.InputStream.ReadToEnd(); //laajennusmetodi, WebUtilities.cs luokkaan
AssignLocationModel inputData =
JsonConvert.DeserializeObject <AssignLocationModel>(json);
bool success = false; //oletetaan ettei onnistu
string error = "";
Asset2Entities entities = new Asset2Entities();
try
{
// haetaan ensin paikan id-numero koodin perusteella
int locationId = (from l in entities.AssetLocation
where l.Code == inputData.LocationCode
select l.Id).FirstOrDefault();
// haetaan laitteen id-numero koodin perusteella
int assetId = (from a in entities.Assets
where a.Code == inputData.AssetCode
select a.Id).FirstOrDefault();
if ((locationId > 0) && (assetId > 0))
{
// UUDEN RIVIN TALLENTAMINEN aikaleiman kanssa TIETOKANTAAN
AssetLocations newEntry = new AssetLocations();
newEntry.LocationId = locationId;
newEntry.AssetId = assetId;
newEntry.LastSeen = DateTime.Now;
entities.AssetLocations.Add(newEntry);
entities.SaveChanges();
success = true; //muutetaan success=true
}
}
catch (Exception ex)
{
error = ex.GetType().Name + ": " + ex.Message;
}
finally
{
entities.Dispose();
}
// palautetaan JSON-muotoinen tulos kutsujalle
var result = new { success = success, error = error };
return(Json(result));
}