public void CustomValidate(CFAPContext ctx)
{
List <DbEntityValidationResult> validationResults = new List <DbEntityValidationResult>();
var rateResult = ctx.Entry(this).GetValidationResult();
if (!rateResult.IsValid)
{
validationResults.Add(rateResult);
}
if (this.DateRate == default(DateTime))
{
DbValidationError validationError = new DbValidationError(typeof(DateTime).ToString(), "Значениие не определено");
DbEntityValidationResult dbEntityValidationResult = new DbEntityValidationResult(ctx.Entry(this), new DbValidationError[] { validationError });
validationResults.Add(dbEntityValidationResult);
}
if (validationResults.Count > 0)
{
throw new DbEntityValidationException(
"Ошибка при проверке данных. Данные могут остутствовать или указаны не верно. Проверте внесенные данные и повторите попытку"
, validationResults);
}
}
/// <summary>
/// 获取详细验证错误
/// </summary>
/// <param name="ex"></param>
/// <returns></returns>
public static Dictionary <string, string> GetDetailErrorString(DbEntityValidationException dbex)
{
try
{
//没有验证错误
if (dbex.EntityValidationErrors.Count() < 1)
{
return(new Dictionary <string, string>());
}
//验证错误集合
Dictionary <string, string> dics = new Dictionary <string, string>();
foreach (var item in dbex.EntityValidationErrors)
{
//错误信息
DbValidationError error = item.ValidationErrors.FirstOrDefault();
dics.Add(error.PropertyName, error.ErrorMessage);
}
return(dics);
}
catch (Exception ex)
{
Dictionary <string, string> errorMsg = new Dictionary <string, string>();
errorMsg.Add("获取错误信息出错", ex.Message);
return(errorMsg);
}
}
private static string GetDbEntityValidationExceptionMessage(DbEntityValidationException ex)
{
StringBuilder builder = new StringBuilder();
ICollection <DbEntityValidationResult> validationResults = ex.EntityValidationErrors.ToList();
for (int i = 0; i < validationResults.Count; i++)
{
DbEntityValidationResult result = validationResults.ElementAt(i);
ICollection <DbValidationError> validationErrors = result.ValidationErrors;
for (int j = 0; j < validationErrors.Count; j++)
{
DbValidationError error = validationErrors.ElementAt(j);
builder.Append(error.ErrorMessage);
if (j != validationErrors.Count - 1)
{
builder.Append("; ");
}
}
if (i != validationResults.Count - 1)
{
builder.AppendLine();
}
}
return(builder.ToString());
}
public override void OnException(HttpActionExecutedContext actionExecutedContext)
{
if (actionExecutedContext.Exception is DbEntityValidationException)
{
DbEntityValidationException dbException
= (DbEntityValidationException)actionExecutedContext.Exception;
DbEntityValidationResult dbValidationResult
= dbException.EntityValidationErrors.FirstOrDefault();
DbValidationError dbFirstValidationError
= dbValidationResult.ValidationErrors.FirstOrDefault();
string responseText
= string.Format(
CultureInfo.CurrentCulture,
"{0}:{1}",
dbFirstValidationError.PropertyName,
dbFirstValidationError.ErrorMessage
);
actionExecutedContext.Response
= new HttpResponseMessage(HttpStatusCode.BadRequest);
actionExecutedContext.Response.Content
= new StringContent(responseText);
}
}
public static HidErrorInfo FromEFError(DbValidationError error)
{
return(new HidErrorInfo()
{
Descripcion = string.Format("{1} --> {0}", error.ErrorMessage, error.PropertyName),
Tipo = ErrorType.Validation
});
}
private object AsError(DbEntityValidationResult dbError, DbValidationError dbErrorEntry)
{
var status = "422";
var detail = dbErrorEntry.ErrorMessage;
var source = new { pointer = "/data/attributes/" + dbErrorEntry.PropertyName };
return(new { status = status, detail = detail, source = source });
}
private static string GetExceptionMessage(
DbEntityValidationResult entityValidationError,
DbValidationError databaseValidationError)
{
return(string.Format(
ErrorEntityValidation,
entityValidationError.Entry.Entity.GetType().Name,
entityValidationError.Entry.State,
databaseValidationError.PropertyName,
databaseValidationError.ErrorMessage));
}
public static List <Tuple <string, string> > ExtractValidationErrors(DbContext dbContext)
{
List <Tuple <string, string> > rtnList = new List <Tuple <string, string> >();
foreach (DbEntityValidationResult err in dbContext.GetValidationErrors())
{
DbValidationError dbError = err.ValidationErrors.ToList()[0];
rtnList.Add(new Tuple <string, string>(dbError.PropertyName, dbError.ErrorMessage));
}
return(rtnList);
}
public void DbValidationError_LogMessage(string propriete, string message)
{
var error = new DbValidationError(propriete, message);
var log = error.LogMessage();
Assert.NotNull(log);
Assert.NotEqual(0, log.Length);
Assert.Contains(propriete, log);
Assert.Contains(message, log);
}
protected override DbEntityValidationResult ValidateEntity(DbEntityEntry entityEntry, IDictionary <object, object> items)
{
if (entityEntry.Entity is User && entityEntry.State == EntityState.Deleted)
{
User entity = entityEntry.Entity as User;
if (entity.IsActive)
{
DbValidationError error = new DbValidationError("IsActive", "Could not be deleted People in Active state");
return(new DbEntityValidationResult(entityEntry, new DbValidationError[] { error }));
}
}
return(base.ValidateEntity(entityEntry, items));
}
/// <summary>
/// Overrides User validation.
/// </summary>
/// <param name="entityEntry">User entity</param>
/// <param name="items">Items</param>
/// <returns>User validation result</returns>
protected override DbEntityValidationResult ValidateEntity(DbEntityEntry entityEntry, IDictionary <object, object> items)
{
var result = base.ValidateEntity(entityEntry, items);
var userEntry = entityEntry.Entity as User;
// Check email uniqueness
if (Users.Where(x => x.EMail == userEntry.EMail && x.Id != userEntry.Id).FirstOrDefault() != default(User))
{
var eMailValidationError = new DbValidationError(nameof(User.EMail), "The EMail is not unique");
result.ValidationErrors.Add(eMailValidationError);
return(new DbEntityValidationResult(entityEntry, result.ValidationErrors));
}
else
{
return(result);
}
}
private void CustomProperiesValidate <TProperty>(TProperty property, CFAPContext ctx, List <DbEntityValidationResult> validationResults) where TProperty : class
{
if (validationResults == null)
{
throw new ArgumentNullException("List<DbEntityValidationResult> validationResults педреан с неопределенным значением.");
}
if (property == null)
{
DbValidationError validationError = new DbValidationError(typeof(TProperty).ToString(), "Значениие не определено");
DbEntityValidationResult dbEntityValidationResult = new DbEntityValidationResult(ctx.Entry(this), new DbValidationError[] { validationError });
validationResults.Add(dbEntityValidationResult);
return;
}
var propertyValidationResult = ctx.Entry(property).GetValidationResult();
if (!propertyValidationResult.IsValid)
{
validationResults.Add(propertyValidationResult);
}
}
private static string PopulateEFerror(DbValidationError validationError)
{
return(string.Format("Property: {0} Error: {1}",
validationError.PropertyName, validationError.ErrorMessage) + Environment.NewLine);
}
//
// Summary:
// Validation error. Can be either entity or property level validation error.
//
// Summary:
// Creates an instance of System.Data.Entity.Validation.DbValidationError.
//
// Parameters:
// propertyName:
// Name of the invalid property. Can be null.
//
// errorMessage:
// Validation error message. Can be null.
public DbValidationErrorBase(string propertyName, string errorMessage)
{
_dbValidationError = new DbValidationError(propertyName, errorMessage);
}
/// <summary>
/// Returns a formatted message of the validation error.
/// </summary>
/// <param name="err">Validation error</param>
/// <returns>Formatted message</returns>
public static string LogMessage(this DbValidationError err)
{
return(string.Format("[{0} - {1}]", err.PropertyName, err.ErrorMessage));
}
private static void AddErrorInData(this DbEntityValidationException exception, int index, DbValidationError error)
{
var key = $"EntityValidationError{index}";
if (!exception.Data.Contains(key))
{
exception.Data[key] = $"Property : {error.PropertyName}, Error : {error.ErrorMessage}";
}
}
/// <summary>
/// 修正由于从集合中删除元素而导致外键为空异常
/// </summary>
/// <param name="entityEntry"></param>
/// <param name="result"></param>
/// <param name="err"></param>
private void CoerceRemoveFromCollectionError(DbEntityEntry entityEntry, DbEntityValidationResult result, DbValidationError err)
{
var errProp = err.PropertyName;
if (entityEntry.State == EntityState.Modified && entityEntry.Property(errProp).CurrentValue == null)
{
bool isEntityRequiredForeignKeyEmpty = IsEntityRequiredForeignKeyEmpty(entityEntry, errProp);
if (isEntityRequiredForeignKeyEmpty)
{
entityEntry.State = EntityState.Deleted;
result.ValidationErrors.Remove(err);
}
}
}
private static string GetErrorMessage(DbValidationError ee)
{
return(string.Join("\n", ee.ErrorMessage));
}
