public ActionResult CreateEdit(Receipt receipt)
{
if (ModelState.IsValid)
{
if (receipt.ID == 0)
{
//Create
db.Receipts.Add(receipt);
}
else
{
//Edit
//Tried this based on feedback from Alper
//db.MarkAsModified(receipt);
//Custom copy from intro to code first with multiple objects
db.CopyChanges(receipt.ID, receipt);
}
//Validation errors should be caught and can be interrigated with
//((System.Data.Entity.Validation.DbEntityValidationException)ex).EntityValidationErrors
db.SaveChanges();
return RedirectToAction("Index");
}
PopulateTransactionTypeDropDown(receipt.TransactionType);
return View(receipt);
}
// GET: Receipts/CreateEdit/5
//Need to start both here so they return here. Kind of makes sense anyway
//https://evolpin.wordpress.com/2011/05/09/mvc-and-posting-data-using-html-beginform-and-url-routing/
public ActionResult CreateEdit(int? id)
{
Receipt receipt;
if (id != null)
receipt = db.Receipts.Where(c => c.ID == id).Include("Categories").SingleOrDefault();
else
receipt = new Receipt();
PopulateTransactionTypeDropDown(receipt.TransactionType);
return View("CreateEdit", receipt);
}
public IHttpActionResult PostReceipt(Receipt receipt)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.Receipts.Add(receipt);
db.SaveChanges();
return CreatedAtRoute("DefaultApi", new { id = receipt.ID }, receipt);
}
public void CopyChanges(int id, Receipt receipt)
{
Receipt recToModify = this.Receipts.Where(c => c.ID == id).Include("Categories").SingleOrDefault();
List<Category> categoriesForReceipt = this.Receipts.Where(c => c.ID == id).Include("Categories").SingleOrDefault().Categories;
List<Category> toDelete = new List<Category>();
recToModify.AccountNumber = receipt.AccountNumber;
recToModify.StoreName = receipt.StoreName;
recToModify.Amount = receipt.Amount;
recToModify.Approver = receipt.Approver;
recToModify.TransactionDate = receipt.TransactionDate;
recToModify.TransactionType = receipt.TransactionType;
//If in DB but not new data, delete
foreach (var oldC in categoriesForReceipt)
{
if (receipt.Categories == null || receipt.Categories.Find(c => c.ID == oldC.ID) == null)
toDelete.Add(oldC);
}
//Now remove them, cant remove from original while iterating
foreach (var d in toDelete)
categoriesForReceipt.Remove(d);
//add or update
if (receipt.Categories != null)
{
foreach (var newC in receipt.Categories)
{
var cToUpdate = categoriesForReceipt.Find(c => c.ID == newC.ID);
if (cToUpdate != null)
{
cToUpdate.Amount = newC.Amount;
cToUpdate.Description = newC.Description;
}
else
{
//we get an ID of 0 from the UI on multiple adds
newC.ID = -1;
categoriesForReceipt.Add(newC);
}
}
}
}
public void MarkAsModified(Receipt item)
{
Entry(item).State = EntityState.Modified;
}
public void MarkAsModified(Receipt item)
{
}
public Receipt GetSingleReceipt()
{
Receipt r = new Receipt("55", DateTime.Parse("11/2/2015"), 1, "Best Buy", 5.56m, new List<Category> { new Category("Room", 5.56m) }, "Tom");
r.ID = 3;
return r;
}
public void CopyChanges(int i, Receipt r)
{
}
public IHttpActionResult PutReceipt(int id, Receipt receipt)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != receipt.ID)
{
return BadRequest();
}
//idea from //http://www.asp.net/mvc/overview/getting-started/getting-started-with-ef-using-mvc/updating-related-data-with-the-entity-framework-in-an-asp-net-mvc-application
//tried this but added everytime //db.Categories.AddOrUpdate(c => c.ID, receipt.Categories.ToArray());
db.CopyChanges(id, receipt);
//was
//db.Entry(receipt).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!ReceiptExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
