private static ValidationMessageCollection OnUpdateFailedFunc(IRepository repository, DbUpdateConcurrencyException dbUpdateEx, DepartmentUpdate.CommandModel commandModel, ref byte[] rowVersion)
{
var validationMessages = new ValidationMessageCollection();
var entry = dbUpdateEx.Entries.Single();
var databaseEntry = entry.GetDatabaseValues();
if (databaseEntry == null)
{
validationMessages.Add(string.Empty, "Unable to save changes. The department was deleted by another user.");
return validationMessages;
}
var databaseValues = (Department)databaseEntry.ToObject();
rowVersion = databaseValues.RowVersion;
if (databaseValues.Name != commandModel.Name)
validationMessages.Add(nameof(commandModel.Name), "Current value: " + databaseValues.Name);
if (databaseValues.Budget != commandModel.Budget)
validationMessages.Add(nameof(commandModel.Budget), "Current value: " + string.Format("{0:c}", databaseValues.Budget));
if (databaseValues.StartDate != commandModel.StartDate)
validationMessages.Add(nameof(commandModel.StartDate), "Current value: " + string.Format("{0:d}", databaseValues.StartDate));
if (databaseValues.InstructorID != commandModel.InstructorID)
validationMessages.Add(nameof(commandModel.InstructorID), "Current value: " + repository.GetEntity<Instructor>(p => p.ID == databaseValues.InstructorID.Value).FullName);
validationMessages.Add(string.Empty, "The record you attempted to edit "
+ "was modified by another user after you got the original value. The "
+ "edit operation was canceled and the current values in the database "
+ "have been displayed. If you still want to edit this record, click "
+ "the Save button again. Otherwise click the Back to List hyperlink.");
return validationMessages;
}
/// <summary>
/// Validates the specified property name.
/// </summary>
/// <param name="propertyName">Name of the property.</param>
/// <param name="value">The value.</param>
/// <param name="validationContext">The validation context.</param>
/// <returns>
/// The list of validation messages.
/// </returns>
public override ValidationMessageCollection Validate(string propertyName, object value, string validationContext)
{
ValidationMessageCollection messages = base.Validate(propertyName, value, validationContext);
if (propertyName == nameof(this.Price) &&
value is decimal)
{
if ((decimal)value != this.Items.Sum(x => x.Price))
{
messages.Add(new ValidationMessage("MustEqualSum", "The order price must match the sum of the item prices.", Array.Empty <object>(), this, propertyName));
}
}
return(messages);
}
public static ValidationMessageCollection Save(
this IRepository repository,
EntityStateWrapperContainer entityContainer,
Func <DbUpdateConcurrencyException, ValidationMessageCollection> dbUpdateConcurrencyExceptionFunc = null,
Func <RetryLimitExceededException, ValidationMessageCollection> retryLimitExceededExceptionFunc = null)
{
try
{
entityContainer.UnitsOfWork().ToList().ForEach(uow =>
{
UpdateStates(repository, uow);
repository.Save();
});
return(new ValidationMessageCollection());
}
catch (DbUpdateConcurrencyException dbUpdateEx)
{
Logger.Warn(dbUpdateEx, dbUpdateEx.Message);
if (dbUpdateConcurrencyExceptionFunc != null)
{
return(dbUpdateConcurrencyExceptionFunc(dbUpdateEx));
}
var validationDetails = new ValidationMessageCollection();
validationDetails.Add(new ValidationMessage(string.Empty, dbUpdateEx.ToString()));
return(validationDetails);
}
catch (RetryLimitExceededException rleEx)
{
Logger.Error(rleEx, rleEx.Message);
if (retryLimitExceededExceptionFunc != null)
{
return(retryLimitExceededExceptionFunc(rleEx));
}
var validationDetails = new ValidationMessageCollection();
validationDetails.Add(new ValidationMessage(string.Empty, "Unable to save changes. Try again, and if the problem persists, see your system administrator."));
return(validationDetails);
}
catch (Exception ex)
{
Logger.Error(ex, ex.Message);
throw;
}
}
private static ValidationMessageCollection OnUpdateFailedFunc(IRepository repository, DbUpdateConcurrencyException dbUpdateEx, DepartmentUpdate.CommandModel commandModel, ref byte[] rowVersion)
{
var validationMessages = new ValidationMessageCollection();
var entry = dbUpdateEx.Entries.Single();
var databaseEntry = entry.GetDatabaseValues();
if (databaseEntry == null)
{
validationMessages.Add(string.Empty, "Unable to save changes. The department was deleted by another user.");
return(validationMessages);
}
var databaseValues = (Department)databaseEntry.ToObject();
rowVersion = databaseValues.RowVersion;
if (databaseValues.Name != commandModel.Name)
{
validationMessages.Add(nameof(commandModel.Name), "Current value: " + databaseValues.Name);
}
if (databaseValues.Budget != commandModel.Budget)
{
validationMessages.Add(nameof(commandModel.Budget), "Current value: " + string.Format("{0:c}", databaseValues.Budget));
}
if (databaseValues.StartDate != commandModel.StartDate)
{
validationMessages.Add(nameof(commandModel.StartDate), "Current value: " + string.Format("{0:d}", databaseValues.StartDate));
}
if (databaseValues.InstructorID != commandModel.InstructorID)
{
validationMessages.Add(nameof(commandModel.InstructorID), "Current value: " + repository.GetEntity <Instructor>(p => p.ID == databaseValues.InstructorID.Value).FullName);
}
validationMessages.Add(string.Empty, "The record you attempted to edit "
+ "was modified by another user after you got the original value. The "
+ "edit operation was canceled and the current values in the database "
+ "have been displayed. If you still want to edit this record, click "
+ "the Save button again. Otherwise click the Back to List hyperlink.");
return(validationMessages);
}
private void ValidateOneAdministratorAssignmentPerInstructor()
{
if (Context.CommandModel.InstructorID == null)
{
return;
}
var queryRepository = ResolveService <IQueryRepository>();
var duplicateDepartment = queryRepository.GetEntity <Department>(
p => p.InstructorID == Context.CommandModel.InstructorID.Value,
new AsNoTrackingQueryStrategy(),
new EagerLoadingQueryStrategy <Department>(p => p.Administrator),
false);
if (duplicateDepartment != null)
{
string errorMessage =
$"Instructor {duplicateDepartment.Administrator.FirstMidName} {duplicateDepartment.Administrator.LastName} " +
$"is already administrator of the {duplicateDepartment.Name} department.";
ValidationMessageCollection.Add(string.Empty, errorMessage);
}
}
public void TestException()
{
ValidationMessageCollection messages = new ValidationMessageCollection();
IValidatable source = new Example();
messages.Add(new ValidationMessage("messageKey", "defaultMessage: {0}{1}", new string[] { "X", "Y" }, source, "PropertyA", ValidationLevel.Warning, ValidationContext.Default, 5));
try
{
throw new ValidationException(messages);
}
catch (ValidationException ex)
{
Assert.IsNotNull(ex);
Assert.AreEqual(1, ex.ValidaitonMessages.Count);
Assert.AreEqual("defaultMessage: XY", ex.ValidaitonMessages[0].Message);
Assert.AreEqual(source, ex.ValidaitonMessages[0].ValidationSource);
Assert.AreEqual("PropertyA", ex.ValidaitonMessages[0].PropertyName);
Assert.AreEqual(ValidationLevel.Warning, ex.ValidaitonMessages[0].ValidationLevel);
Assert.AreEqual(5, ex.ValidaitonMessages[0].ValidationPriority);
Assert.AreEqual(ValidationContext.Default, ex.ValidaitonMessages[0].ValidationContext);
}
}
public void TestValidationMessageCollection()
{
var message1 = new ValidationMessage("message1", "Test1 {0}.", new object[] { 5 }, new Example(), "Property1", ValidationLevel.Error, "Validation context 2", 0);
var message2 = new ValidationMessage("message2", "Test2 {0}.", new object[] { 5 }, new Example(), "Property2", ValidationLevel.Error, "Validation context 2", 0);
var message3 = new ValidationMessage("message3", "Test3 {0}.", new object[] { 5 }, new Example(), "Property3", ValidationLevel.Error, "Validation context 2", 0);
var message4 = new ValidationMessage("message4", "Test4 {0}.", new object[] { 5 }, new Example(), "Property4", ValidationLevel.Info, "Validation context 2", 0);
var message5 = new ValidationMessage("message5", "Test5 {0}.", new object[] { 5 }, message4.ValidationSource, "Property4", ValidationLevel.Warning, "Validation context 2", 0);
var messages = new ValidationMessageCollection();
messages.Add(message1);
messages.Add(message2);
messages.Add(message3);
messages.Insert(messages.Count, message4);
Assert.AreEqual(message1, messages[0]);
Assert.AreEqual(message2, messages[1]);
Assert.AreEqual(message3, messages[2]);
Assert.AreEqual(message4, messages[3]);
Assert.AreEqual(1, messages[message1.ValidationSource, "Property1", "Validation context 2"].Count);
Assert.AreEqual(message1, messages[message1.ValidationSource, "Property1", "Validation context 2"][0]);
Assert.AreEqual(1, messages[message3.ValidationSource, message3.PropertyName, "Validation context 2"].Count);
Assert.AreEqual(message3, messages[message3.ValidationSource, message3.PropertyName, "Validation context 2"][0]);
Assert.AreEqual(0, messages[null as IValidatable].Count);
Assert.AreEqual(0, messages[null as IValidatable, null as string].Count);
Assert.AreEqual(0, messages[null as IValidatable, "aaa" as string].Count);
Assert.AreEqual(0, messages[new Example() as IValidatable, null as string].Count);
Assert.IsFalse(messages.Contains(null));
Assert.IsTrue(messages.Contains(message3));
messages.Add(message5);
Assert.AreEqual(4, messages.Count);
Assert.AreEqual(message5, messages.Last());
messages[3] = message4;
Assert.AreEqual(4, messages.Count);
Assert.AreEqual(message1, messages[0]);
Assert.AreEqual(message2, messages[1]);
Assert.AreEqual(message3, messages[2]);
Assert.AreEqual(message4, messages[3]);
var validationSource = new Example();
var message6 = new ValidationMessage("message1", "Test1 {0}.", new object[] { 7 }, validationSource, "Property1", ValidationLevel.Error, null, 0);
var message7 = new ValidationMessage("message2", "Test2 {0}.", new object[] { 8 }, validationSource, "Property1", ValidationLevel.Error, null, 0);
var message8 = new ValidationMessage("message3", "Test3 {0}.", new object[] { 9 }, validationSource, "Property2", ValidationLevel.Error, "Validation context 2", 0);
messages.Add(message6);
messages.Add(message7);
messages.Insert(messages.Count, message8);
var mergedMessage = messages.Merge(validationSource, "Property1");
Assert.AreEqual("Test1 7.\r\nTest2 8.", mergedMessage.Message);
Assert.AreEqual(ValidationLevel.Error, mergedMessage.ValidationLevel);
MergedValidationMessage.GetMergedMessages = x => string.Join(" * ", x);
var mergedMessage2 = messages.Merge(validationSource, "Property1");
Assert.AreEqual("Test1 7. * Test2 8.", mergedMessage2.Message);
Assert.AreEqual(ValidationLevel.Error, mergedMessage2.ValidationLevel);
var mergedMessage4 = messages.Merge(validationSource, "Property2");
Assert.AreEqual("Test3 9.", mergedMessage4.Message);
Assert.AreEqual(ValidationLevel.Error, mergedMessage4.ValidationLevel);
var mergedMessage5 = messages.Merge(validationSource);
Assert.AreEqual("Test1 7. * Test2 8. * Test3 9.", mergedMessage5.Message);
Assert.AreEqual(ValidationLevel.Error, mergedMessage5.ValidationLevel);
MergedValidationMessage.GetMergedMessages = null;
}
