public ComplexValidatorDataProvider <T, TData> For <TData>(string fieldName, IObservable <TData> observable,
Func <IValidator <T>, TData> immediateGetter)
{
this.CheckNotSealed();
if (this.Fields.ContainsKey(fieldName))
{
throw new InvalidOperationException(
"There are already rules defined for this validation field. " +
"Combine the mutliple For chains into one or change each one to correspond to a unique name.");
}
var complexValidatorDataProvider = new ComplexValidatorDataProvider <T, TData>(this, fieldName, observable,
immediateGetter, this._forcedRefreshSignals);
this.Fields.Add(fieldName, complexValidatorDataProvider.Molecule);
return(complexValidatorDataProvider);
}
public ComplexValidatorMolecule(ComplexValidatorDataProvider <T, TData> complexValidatorDataProvider)
{
this._complexValidatorDataProvider = complexValidatorDataProvider;
this._refCountedObservable = this._complexValidatorDataProvider
.OnEachExecuteCancellingPrevious(async x =>
{
try
{
using (this._complexValidatorDataProvider.Validator.ObservableEntranceExitCounter.Enter())
{
var validationResults = new List <IValidationResult>();
foreach (var validationRule in this.Rules)
{
var validationResult = await validationRule.ValidationFunction.Invoke(x,
this._complexValidatorDataProvider.Validator);
if (validationResult.ValidationResultType == ValidationResultType.Valid)
{
continue;
}
validationResults.Add(validationResult);
}
return(new ValidationFieldResults(this._complexValidatorDataProvider.FieldName,
validationResults));
}
}
catch (Exception e)
{
this.Log().Error($"Error while validating field {complexValidatorDataProvider.FieldName}:", e);
return(new ValidationFieldResults(this._complexValidatorDataProvider.FieldName,
new List <IValidationResult>
{
new ValidationResult
{
Message = Localisation.ErrorWhileValidating,
ValidationResultType = ValidationResultType.Error
}
}));
}
})
.Catch <ValidationFieldResults, ObjectDisposedException>(
ex => Observable.Empty <ValidationFieldResults>())
.Publish(new ValidationFieldResults(complexValidatorDataProvider.FieldName,
new List <IValidationResult>()))
.RefCount();
}
