public async Task <IHttpActionResult> PutProduct(Product entity)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
_dbContext.ApplyChanges(entity);
try
{
await _dbContext.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!_dbContext.Products.Any(e => e.ProductId == entity.ProductId))
{
return(Conflict());
}
throw;
}
await _dbContext.LoadRelatedEntitiesAsync(entity);
entity.AcceptChanges();
return(Ok(entity));
}
public async Task <IHttpActionResult> PostProduct(Product entity)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
entity.TrackingState = TrackingState.Added;
_dbContext.ApplyChanges(entity);
try
{
await _dbContext.SaveChangesAsync();
}
catch (DbUpdateException)
{
if (_dbContext.Products.Any(e => e.ProductId == entity.ProductId))
{
return(Conflict());
}
throw;
}
await _dbContext.LoadRelatedEntitiesAsync(entity);
entity.AcceptChanges();
return(CreatedAtRoute("DefaultApi", new { id = entity.ProductId }, entity));
}
public InternalEntitySetTests()
{
var products = new List <Product>();
for (int i = 0; i < NUMBER_OF_ENTITIES; i++)
{
var product = new Product {
ProductID = i, ProductName = "Prod #" + i
};
product.AcceptChanges();
products.Add(product);
}
_products = products.ToArray();
}
public void CRUDProduct()
{
// Insert
var product = new Product
{
};
Assert.IsTrue(!product.IsValid
&& !string.IsNullOrEmpty(product.ValidationMessage)
&& product.ValidationMessage.Contains(ResourceStringLoader.GetResourceString("Product_EmptyName")));
Assert.IsTrue(!product.IsValid
&& !string.IsNullOrEmpty(product.ValidationMessage)
&& product.ValidationMessage.Contains(ResourceStringLoader.GetResourceString("Product_EmptyCreatedBy")));
product.Name = "01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
product.CreatedBy = "01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456";
Assert.IsTrue(!product.IsValid
&& !string.IsNullOrEmpty(product.ValidationMessage)
&& product.ValidationMessage.Contains(ResourceStringLoader.GetResourceString("Product_MaxNameLength")));
Assert.IsTrue(!product.IsValid
&& !string.IsNullOrEmpty(product.ValidationMessage)
&& product.ValidationMessage.Contains(ResourceStringLoader.GetResourceString("Product_MaxCreatedByLength")));
product.Name = "New temporal product";
product.CreatedBy = "dcruz";
Assert.IsTrue(product.IsValid);
Assert.IsTrue(product.IsNew);
product.AcceptChanges();
Assert.IsTrue(product.IsValid);
Assert.IsTrue(!product.IsChanged);
var loaded = Product.Load(product.ID);
Assert.IsNotNull(loaded);
Assert.IsTrue(!loaded.IsChanged);
Assert.IsTrue(!loaded.IsNew);
Compare(loaded, product);
// Update
loaded.Name = "01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
Assert.IsTrue(!loaded.IsValid
&& !string.IsNullOrEmpty(loaded.ValidationMessage)
&& loaded.ValidationMessage.Contains(ResourceStringLoader.GetResourceString("Product_MaxNameLength")));
Assert.IsTrue(!loaded.IsValid
&& !string.IsNullOrEmpty(loaded.ValidationMessage)
&& loaded.ValidationMessage.Contains(ResourceStringLoader.GetResourceString("Product_EmptyLastUpdatedBy")));
var any = Product.GetAll().Where(m => m.ID != loaded.ID).FirstOrDefault();
if (any == null)
Assert.Inconclusive();
loaded.Name = any.Name;
Assert.IsTrue(!loaded.IsValid
&& !string.IsNullOrEmpty(loaded.ValidationMessage)
&& loaded.ValidationMessage.Contains(ResourceStringLoader.GetResourceString("Product_DuplicatedName", new { loaded.Name })));
Assert.IsTrue(!loaded.IsValid
&& !string.IsNullOrEmpty(loaded.ValidationMessage)
&& loaded.ValidationMessage.Contains(ResourceStringLoader.GetResourceString("Product_EmptyLastUpdatedBy")));
loaded.Name = "New temporal product 2";
loaded.LastUpdatedBy = "01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456";
Assert.IsTrue(!loaded.IsValid
&& !string.IsNullOrEmpty(loaded.ValidationMessage)
&& loaded.ValidationMessage.Contains(ResourceStringLoader.GetResourceString("Product_MaxLastUpdatedByLength")));
loaded.LastUpdatedBy = "dcruz";
Assert.IsTrue(loaded.IsChanged);
Assert.IsTrue(loaded.IsValid);
loaded.AcceptChanges();
Assert.IsTrue(!loaded.IsChanged);
Assert.IsTrue(loaded.IsValid);
var updated = Product.Load(product.ID);
Assert.IsNotNull(updated);
Compare(updated, loaded);
// Delete
loaded = Product.Load(product.ID);
loaded.Delete();
Assert.IsTrue(loaded.IsValid);
Assert.IsTrue(loaded.IsDeleted);
loaded.AcceptChanges();
loaded = Product.Load(product.ID);
Assert.IsNull(loaded);
}
private Product AttachWithRelations(Product entity, InsertMode insertMode = InsertMode.Attach, MergeOption mergeOption = MergeOption.AppendOnly, List <object> referenceTrackingList = null)
{
#region iteration tracking
if (ReferenceEquals(null, referenceTrackingList))
{
referenceTrackingList = new List <object>();
}
if (referenceTrackingList.Contains(entity))
{
return(_products.GetExisting(entity));
}
else
{
referenceTrackingList.Add(entity);
}
#endregion
#region add/attach entity
Product existingEntity = null;
switch (insertMode)
{
case InsertMode.Add:
existingEntity = _products.Add(entity);
break;
case InsertMode.Attach:
existingEntity = _products.Attach(entity);
break;
default:
throw new Exception(string.Format("Implementation Exception: missing action for {0}", insertMode));
}
if (!ReferenceEquals(null, existingEntity) && ReferenceEquals(existingEntity, entity))
{
return(existingEntity);
}
#endregion
#region attach relations recursively
// register entity's property changed event if entity is new to context
if (ReferenceEquals(null, existingEntity))
{
entity.PropertyChanged += On_product_propertyChanged;
}
// attach related entity to context
if (!ReferenceEquals(null, entity.ProductCategory))
{
var existingRelatedEntity = AttachWithRelations(entity.ProductCategory, insertMode, mergeOption, referenceTrackingList);
}
#endregion
#region refresh existing entity based on merge options
if (!ReferenceEquals(null, existingEntity) && !ReferenceEquals(existingEntity, entity))
{
if (Products.MergeOption == MergeOption.OverwriteChanges)
{
Invoke(delegate
{
existingEntity.Refresh(entity, trackChanges: false);
existingEntity.AcceptChanges();
});
}
else if (Products.MergeOption == MergeOption.PreserveChanges)
{
Invoke(delegate
{
existingEntity.Refresh(entity, trackChanges: false, preserveExistingChanges: true);
});
}
}
#endregion
return(existingEntity);
}
