protected override bool CanValidateInternal(IValidatorContext validatorContext)
{
IViewModel viewModel;
validatorContext.ValidationMetadata.TryGetData(ViewModelConstants.ViewModel, out viewModel);
return(viewModel == null || !ReferenceEquals(viewModel, validatorContext.Instance));
}
/// <summary>
/// Initializes the current validator using the specified <see cref="IValidatorContext" />.
/// </summary>
/// <param name="context">
/// The specified <see cref="IValidatorContext" />.
/// </param>
public void Initialize(IValidatorContext context)
{
EnsureNotDisposed();
Should.NotBeNull(context, "context");
if (Interlocked.CompareExchange(ref _context, context, null) != null)
{
throw ExceptionManager.ValidatorInitialized(this);
}
if (!CanValidate(context))
{
throw ExceptionManager.InvalidContexValidator(this);
}
OnInitialized(context);
_notifyPropertyChanged = Instance as INotifyPropertyChanged ??
context.ValidationMetadata.GetData(ViewModelConstants.ViewModel);
if (_notifyPropertyChanged == null)
{
Tracer.Warn(
"The type {0} doesn't implement the INotifyPropertyChanged, validator {1} cannot track errors.",
Instance.GetType(), GetType());
}
else
{
_weakPropertyHandler = ReflectionExtensions.MakeWeakPropertyChangedHandler(this, (@base, o, arg3) => @base.OnPropertyChangedNotifyDataError(arg3));
_notifyPropertyChanged.PropertyChanged += _weakPropertyHandler;
}
}
public OpenApiHttpRequestValidator(string urlPath, OperationType httpMethod, IValidatorContext validatorContext, OpenApiOperation openApiOperation) : base(validatorContext, openApiOperation)
{
UrlPath = urlPath;
HttpMethod = httpMethod;
_validatorContext = validatorContext;
_OpenApiRequestBody = openApiOperation.RequestBody;
}
/// <summary>
/// Selects all elements of a `IEnumerable` property for validation.
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <typeparam name="TItem">The type of an individual item in the `IEnumerable` property.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <param name="selector">
/// The property selector expression.
/// <para>
/// The expression must be a `MemberExpression` (e.g. `x => x.Property`) or a `ParameterExpression`
/// to select all elements of the current value (e.g. `x => x`).
/// </para>
/// </param>
/// <param name="action">The action to perform for each item of the selected `IEnumerable` property.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> ForEach <T, TItem>(this IValidatorContext <T> validator,
Expression <Func <T, IEnumerable <TItem> > > selector, Action <IValidatorContext <TItem> > action)
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
ValidationInternals.ValidateNotNull(selector, nameof(selector));
ValidationInternals.ValidateNotNull(action, nameof(action));
var name = (selector.Body is ParameterExpression)
? null
: ValidationInternals.GetPropertyName(selector);
var value = selector.Compile().Invoke(validator.Value);
if (value is null)
{
return(validator);
}
int i = 0;
foreach (var item in value)
{
var context = (name is null)
? new ValidatorContext <TItem>(item, $"{ValidationInternals.FormatName(validator.Path, null)}[{i++}]")
: new ValidatorContext <TItem>(item, validator.Path, $"{name}[{i++}]");
action.Invoke(context);
}
return(validator);
}
protected virtual IValidator GetValidator([NotNull] Type validatorType, [NotNull] IValidatorContext context)
{
if (context.Instance is IValidatableViewModel)
{
var viewModel = context.ValidationMetadata.GetData(ViewModelConstants.ViewModel);
if (typeof(ValidatableViewModelValidator).IsAssignableFrom(validatorType))
{
if (ReferenceEquals(context.Instance, viewModel))
{
return(null);
}
}
else
{
if (!ReferenceEquals(context.Instance, viewModel) && _validators.ContainsKey(typeof(ValidatableViewModelValidator)))
{
return(null);
}
}
}
IServiceProvider serviceProvider = context.ServiceProvider ?? ServiceProvider.IocContainer;
IValidator validator = serviceProvider == null
? (IValidator)Activator.CreateInstance(validatorType)
: (IValidator)serviceProvider.GetService(validatorType);
if (validator.Initialize(context))
{
return(validator);
}
validator.Dispose();
return(null);
}
public IList <IValidatorResult> Execute(IValidatorContext context)
{
log.Info("RabbitMQValidator Execute started");
List <IValidatorResult> results = new List <IValidatorResult>();
log.Debug("Validating rabbit mq environment for Server: {Server} Port: {Port} vHost: {vHost}",
_rabbitMQValidatorSettings.HostServer, _rabbitMQValidatorSettings.Port, _rabbitMQValidatorSettings.vHost);
HareDuSettings settings = new HareDuSettings()
{
RabbitUrl = string.Format("http://{0}:{1}", _rabbitMQValidatorSettings.HostServer, _rabbitMQValidatorSettings.Port),
Vhost = _rabbitMQValidatorSettings.vHost,
Username = _rabbitMQValidatorSettings.UserName,
Password = _rabbitMQValidatorSettings.Password
};
var queues = this.GetErrorQueues(settings);
foreach (var queue in queues)
{
log.Debug("RabbitMQValidator validating queue {RabbitQueue}", queue.Name);
var queueResult = this.GetQueueResult(settings, queue);
results.Add(queueResult);
}
log.Info("Starting RabbitMQValidator Execute completed with {ResultCount} results", results.Count);
return(results);
}
public static IValidatorContext<T> AssertEqualValueAndPath<T>(this IValidatorContext<T> validator, T value, string path)
{
Assert.Equal(value, validator.Value);
Assert.Equal(path, string.Join('.', validator.Path));
return validator;
}
public static IValidatorContext<T> AssertEqualValueAndPathIndexed<T>(this IValidatorContext<T> validator, T value, string path,
ref int index)
{
++index;
return validator.AssertEqualValueAndPath(value, path);
}
/// <summary>
/// Throws if the current value is `null` or empty (contains the default value of the current type).
/// <para>
/// This validation as well applies to empty strings or `IEnumerable` types without at least one element.
/// </para>
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> NotNullOrEmpty <T>(this IValidatorContext <T> validator)
where T : class
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
try
{
validator.NotNull();
}
catch (ArgumentNullException)
{
throw new ArgumentNullException(validator.Path.First(), string.Format(CultureInfo.InvariantCulture,
Resources.ArgumentMustNotBeNullOrEmpty, ValidationInternals.FormatName(validator.Path, null)));
}
var isEmptyEnum = (validator.Value is IEnumerable enumerable) && !enumerable.GetEnumerator().MoveNext();
var isEmptyString = validator.Value is string { Length : 0 };
if (isEmptyEnum || isEmptyString)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture,
Resources.ArgumentMustNotBeNullOrEmpty, ValidationInternals.FormatName(validator.Path, null)),
validator.Path.First());
}
return(validator);
}
protected override bool CanValidateInternal(IValidatorContext validatorContext)
{
if (CanValidate == null)
{
return(base.CanValidateInternal(validatorContext));
}
return(CanValidate(validatorContext));
}
/// <summary>
/// Throws if the current value is equal to the blacklisted value.
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <param name="value">The blacklisted value.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> NotEqual <T>(this IValidatorContext <T> validator, T value)
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
if (EqualityComparer <T> .Default.Equals(validator.Value, value))
{
throw new ArgumentNullException(validator.Path.First(), string.Format(CultureInfo.InvariantCulture,
Resources.ArgumentMustNotBeValue, ValidationInternals.FormatName(validator.Path, null), value));
}
return(validator);
}
/// <summary>
/// Checks to see whether the validator can validate objects of the specified IValidatorContext.
/// </summary>
internal override bool CanValidateContext(IValidatorContext validatorContext)
{
if (_validationElementProvider == null)
{
var iocContainer = validatorContext.ServiceProvider as IIocContainer ?? ServiceProvider.IocContainer;
if (iocContainer == null || !iocContainer.TryGet(out _validationElementProvider))
{
return(false);
}
}
return(_validationElementProvider.GetValidationElements(validatorContext.Instance).Count > 0);
}
private IValidatorResult RelativityBillingCaseStatisticsTableUpdated(IValidatorContext validatorContext)
{
log.Debug("BillingValidator: Running {testName} billing check.", CaseStatisticsTableUpdated);
return(CheckRelativityDbValueNotUpdated(validatorContext,
CaseStatisticsTableUpdated,
() =>
{
DateTime dateToCheck = this.GetBillingRunDate(this._billingSettings.BillingRunTime);
CaseStatistics caseStatistics = _relBillingRepo.GetCaseStatistics(dateToCheck.Date).FirstOrDefault();
return caseStatistics == null;
}));
}
public IList <IValidatorResult> Execute(IValidatorContext context)
{
log.Debug("BillingValidator: BillingValidator beginning validation.");
List <IValidatorResult> validatorResults = new List <IValidatorResult>();
validatorResults.Add(this.RelativityBillingCaseStatisticsMonthlyTableUpdated(context));
validatorResults.Add(this.RelativityBillingCaseStatisticsTableUpdated(context));
validatorResults.Add(this.RelativityProviderDataCollectionRunsTableUpdated(context));
validatorResults.Add(this.RelativityProviderUserCollectionRunsTableUpdated(context));
return(validatorResults);
}
private IValidatorResult RelativityProviderUserCollectionRunsTableUpdated(IValidatorContext validatorContext)
{
log.Debug("BillingValidator: Running {testName} billing check.", UserCollectionRunsTableUpdated);
return(CheckRelativityDbValueNotUpdated(validatorContext,
UserCollectionRunsTableUpdated,
() =>
{
DateTime dateToCheck = this.GetBillingRunDate(this._billingSettings.BillingRunTime);
UserCollectionsRuns userCollectionRun = this._relProvidersRepo.GetUserCollectionsRuns(dateToCheck.Date).FirstOrDefault();
return userCollectionRun == null;
}));
}
public IList<IValidatorResult> Execute(IValidatorContext context)
{
log.Info("SuccessValidator Execute started");
List<IValidatorResult> validatorResults = new List<IValidatorResult>();
var vr = new ValidatorResult(this.ValidatorProxyId, "SuccessValidator always returns result code of success ", ValidatorResultCode.Success , "SuccessValidator");
validatorResults.Add(vr);
log.Info("Starting SuccessValidator Execute completed with {ResultCount} results", validatorResults.Count);
return validatorResults;
}
/// <inheritdoc cref="NotNull{T}(ZySharp.Validation.IValidatorContext{T})"/>
public static IValidatorContext <T?> NotNull <T>(this IValidatorContext <T?> validator)
where T : struct
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
if (!validator.Value.HasValue)
{
throw new ArgumentNullException(validator.Path.First(), string.Format(CultureInfo.InvariantCulture,
Resources.ArgumentMustNotBeNull, ValidationInternals.FormatName(validator.Path, null)));
}
return(validator);
}
/// <summary>
/// Performs validations after projecting the current value to a new type.
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <typeparam name="TNew">The type of the projected value.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <param name="selector">The selector lambda.</param>
/// <param name="action">The action to perform with the projected value.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> Select <T, TNew>(this IValidatorContext <T> validator, Func <T, TNew> selector,
Action <IValidatorContext <TNew> > action)
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
ValidationInternals.ValidateNotNull(selector, nameof(selector));
ValidationInternals.ValidateNotNull(action, nameof(action));
var context = new ValidatorContext <TNew>(selector.Invoke(validator.Value), validator.Path, null);
action.Invoke(context);
return(validator);
}
/// <summary>
/// Throws if the current value is empty (contains the default value of the current type).
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> NotEmpty <T>(this IValidatorContext <T> validator)
where T : struct
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
if (validator.Value.Equals(default(T)))
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture,
Resources.ArgumentMustNotBeEmpty, ValidationInternals.FormatName(validator.Path, null)),
validator.Path.First());
}
return(validator);
}
/// <summary>
/// Performs validations if a user-defined condition is met.
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <param name="predicate">The filter predicate.</param>
/// <param name="action">The action to perform if the condition is met.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> When <T>(this IValidatorContext <T> validator, Func <T, bool> predicate,
Action <IValidatorContext <T> > action)
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
ValidationInternals.ValidateNotNull(predicate, nameof(predicate));
ValidationInternals.ValidateNotNull(action, nameof(action));
if (predicate(validator.Value))
{
action.Invoke(validator);
}
return(validator);
}
public override IEnumerable <ValidationResult> Validate(IValidatorContext <IEntity> context)
{
var results = new List <ValidationResult>();
try
{
var ctx = new ValidationContext(context.Entity, _serviceProvider, null);
// even though this says Try, and therefore it should not throw an error, IT DOES when a given property is not part of Entity
Validator.TryValidateObject(context.Entity, ctx, results, true);
}
catch { }
return(results);
}
protected virtual void AddInstanceInternal(object instanceToValidate)
{
if (_instanceToValidators.ContainsKey(instanceToValidate))
{
RemoveInstanceInternal(instanceToValidate);
}
IValidatorContext context = CreateContext(instanceToValidate);
IList <IValidator> validators = ValidatorProvider.GetValidators(context);
for (int index = 0; index < validators.Count; index++)
{
AddValidatorInternal(validators[index]);
}
}
/// <summary>
/// Throws if the uri does not contain an absolute uri.
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> Absolute <T>(this IValidatorContext <T> validator)
where T : Uri
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
if (!validator.Value.IsAbsoluteUri)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture,
Resources.UriMustBeAbsolute, ValidationInternals.FormatName(validator.Path, null)),
validator.Path.First());
}
return(validator);
}
public IList <IValidatorResult> Execute(IValidatorContext context)
{
log.Info("WarningValidator Execute started");
List <IValidatorResult> validatorResults = new List <IValidatorResult>();
var vr = new ValidatorResult(this.ValidatorProxyId, "WarningValidator always returns result code of warning ", ValidatorResultCode.Warning, "WarningValidator");
validatorResults.Add(vr);
log.Info("Starting WarningValidator Execute completed with {ResultCount} results", validatorResults.Count);
return(validatorResults);
}
/// <summary>
/// Throws if the stream is not seekable.
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> Seekable <T>(this IValidatorContext <T> validator)
where T : Stream
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
if (!validator.Value.CanSeek)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture,
Resources.StreamMustBeSeekable, ValidationInternals.FormatName(validator.Path, null)),
validator.Path.First());
}
return(validator);
}
/// <summary>
/// Throws if the current value is not less than or equal to the given threshold.
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <param name="threshold">The threshold value.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> LessThanOrEqualTo <T>(this IValidatorContext <T> validator, T threshold)
where T : struct, IComparable <T>
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
if (validator.Value.CompareTo(threshold) > 0)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture,
Resources.ArgumentMustBeGreaterThan, ValidationInternals.FormatName(validator.Path, null), threshold),
validator.Path.First());
}
return(validator);
}
public void CreateContextShouldCreateContextWithDefaultValuesFromVm()
{
var obj = new object();
ValidatableViewModel viewModel = GetValidatableViewModel();
IViewModel vm = viewModel;
IValidatorContext validatorContext = viewModel.CreateContext(obj);
validatorContext.ServiceProvider.ShouldEqual(vm.IocContainer);
validatorContext.ValidationMetadata.ShouldEqual(viewModel.Settings.Metadata);
validatorContext.PropertyMappings.ShouldEqual(viewModel.PropertyMappings);
validatorContext.IgnoreProperties.ShouldEqual(viewModel.IgnoreProperties);
validatorContext.Instance.ShouldEqual(obj);
validatorContext.ServiceProvider.ShouldEqual(vm.IocContainer);
}
public IList <IValidatorResult> Execute(IValidatorContext context)
{
log.Info("LongRunningValidator Execute started");
List <IValidatorResult> validatorResults = new List <IValidatorResult>();
string message = string.Format("Long Running validator is configured to run for {0} minutes and return result code of success.", _settings.RunTimeInMinutes);
var vr = new ValidatorResult(this.ValidatorProxyId, message, ValidatorResultCode.Error, "LongRunningValidator");
validatorResults.Add(vr);
log.Info("Starting LongRunningValidator Execute completed with {ResultCount} results", validatorResults.Count);
return(validatorResults);
}
/// <summary>
/// Throws if the current value is equal to one of the blacklisted values.
/// </summary>
/// <typeparam name="T">The type of the current value.</typeparam>
/// <param name="validator">The current validator context.</param>
/// <param name="values">The blacklisted values.</param>
/// <returns>The unmodified validator context.</returns>
public static IValidatorContext <T> NotEqual <T>(this IValidatorContext <T> validator, params T[] values)
{
ValidationInternals.ValidateNotNull(validator, nameof(validator));
var isValidValue = values.All(x => !EqualityComparer <T> .Default.Equals(validator.Value, x));
if (!isValidValue)
{
throw new ArgumentNullException(validator.Path.First(), string.Format(CultureInfo.InvariantCulture,
Resources.ArgumentMustNotBeOneOf, ValidationInternals.FormatName(validator.Path, null),
string.Join(", ", values.Select(x => $"'{x}'").ToList())));
}
return(validator);
}
IEnumerable <ValidationResult> IEntityValidator.Validate(IValidatorContext context)
{
_context = context;
var result = Validate((TEntity)context.Entity);
if (result.IsValid)
{
return(Enumerable.Empty <ValidationResult>());
}
else
{
return(result.Errors.Select(error => new ValidationResult(error.ErrorMessage, new[] { error.PropertyName })));
}
}
public IList<IValidator> GetValidators(IValidatorContext context)
{
Should.NotBeNull(context, nameof(context));
var validators = new List<IValidator>();
var instanceType = context.Instance.GetType();
lock (_validators)
{
foreach (var type in _validators)
{
if (!type.Value.IsAssignableFrom(instanceType))
continue;
var validator = GetValidator(type.Key, context);
if (validator != null)
validators.Add(validator);
}
return validators;
}
}
