/// <summary>
/// Checks value is greater
/// </summary>
public static IValidationCondition <TValue> IsGreater <TValue>(
this IValidationCondition <TValue> condition,
TValue comparable)
where TValue : IComparable <TValue>
{
return(condition.Is(value => value.CompareTo(comparable) > 0));
}
/// <summary>
/// Checks if value is not match regex
/// </summary>
public static IValidationCondition <string> IsNotMatch(
this IValidationCondition <string> condition,
string regex,
RegexOptions options = RegexOptions.None)
{
return(condition.IsNot(value => Regex.IsMatch(value, regex, options)));
}
/// <summary>
/// Adds <see cref="ValidationDetail" /> to <see cref="IValidationContext" /> with specified
/// <see cref="ValidationSeverity" />
/// </summary>
/// <exception cref="ValidationConditionException">
/// Throws when ValidationDetail.ValidationSeverity greater ValidationContext.ValidationSeverity.
/// Example: Add fatal detail, when validation context severity is error
/// </exception>
public static ValidationDetail?AddValidationDetail(
this IValidationCondition condition,
string validationMessage,
ValidationSeverity validationSeverity = ValidationSeverity.Error)
{
var validationContext = condition.ValidationContext;
var validationDetail = new ValidationDetail(
validationContext,
condition.ValidationKey,
validationMessage,
validationSeverity,
condition.IsValid ?? false);
// Not null or false
// Null by default, so validationContext.When(...).AddValidationDetail(...) works without additional conditions
if (validationDetail.IsValid)
{
return(validationDetail);
}
validationContext.ValidationDetails.Add(validationDetail);
if (validationDetail.ValidationSeverity > validationContext.ValidationSeverity)
{
throw new ValidationConditionException(validationDetail);
}
return(validationDetail);
}
/// <summary>
/// Checks value is less or equal
/// </summary>
public static IValidationCondition <TValue> IsLessOrEqual <TValue>(
this IValidationCondition <TValue> condition,
TValue comparable)
where TValue : IComparable <TValue>
{
return(condition.Is(value => value.CompareTo(comparable) <= 0));
}
public ValidationConditionEntity MapFromInterface(IValidationCondition validationCondition)
{
this.ApplicationID = validationCondition.ApplicationID;
this.Expression = validationCondition.Expression;
return(this);
}
public override IValidationCondition CreateValidationCondition(IValidationCondition validationCondition)
{
ValidationConditionEntity validationConditionEntity = _ctx.ValidationConditions.Add((ValidationConditionEntity)validationCondition);
_ctx.SaveChanges();
return(validationConditionEntity);
}
/// <summary>
/// Checks value is not in range (min: inclusive, max: exclusive)
/// </summary>
public static IValidationCondition <TValue> IsNotInRange <TValue>(
this IValidationCondition <TValue> condition,
TValue min,
TValue max)
where TValue : IComparable <TValue>
{
return(condition.IsNot(value => value.CompareTo(min) >= 0 && value.CompareTo(max) < 0));
}
public IResponse UpdateValidationCondition(ValidationCondition validationCondition)
{
GuardianOptions options = GuardianOptionsFactory.GetOptions();
GuardianDataProvider dataProvider = options.GuardianDataProviderFactory();
IValidationCondition createdValidation = dataProvider.UpdateValidationCondition(validationCondition);
return(new JsonResponse(dataProvider.GetValidationCondition(createdValidation.ValidationConditionID)));
}
public override IValidationCondition CreateValidationCondition(IValidationCondition validationCondition)
{
ValidationConditionEntity newValidationConditionEntity = new ValidationConditionEntity().MapFromInterface(validationCondition);
newValidationConditionEntity = _ctx.ValidationConditions.Add(newValidationConditionEntity);
_ctx.SaveChanges();
return(newValidationConditionEntity);
}
/// <summary>
/// Adds a Property based Condition to the rule. The Property is added to the Condition if not provided by the condition.
/// </summary>
/// <param name="condition">The condition that will be validated</param>
/// <returns>A Property bsed ValidationRule</returns>
public virtual IValidationRule <T, TPrp> AddCondition(IValidationCondition <T, TPrp> condition)
{
if (condition.Property == null)
{
condition.Property = _property;
}
ValidationConditions.Add(condition);
return(this);
}
public override IValidationCondition UpdateValidationCondition(IValidationCondition validationCondition)
{
ValidationConditionEntity validationConditionEntity = getValidationCondition(validationCondition.ValidationConditionID);
validationConditionEntity.ApplicationID = validationCondition.ApplicationID;
validationConditionEntity.DateModifiedOffset = DateTimeOffset.UtcNow;;
validationConditionEntity.Expression = validationCondition.Expression;
_ctx.SaveChanges();
return(validationConditionEntity);
}
public static ValidationConditionEntity FromInterface(IValidationCondition validationCondition)
{
return(new ValidationConditionEntity
{
ActiveFlag = true,
ApplicationID = validationCondition.ApplicationID,
Expression = validationCondition.Expression,
DateCreatedOffset = DateTimeOffset.UtcNow,
DateModifiedOffset = DateTimeOffset.UtcNow
});
}
private bool EvaluateValidationCondition <T>(T target, IValidationCondition validationCondition)
{
if (!_validationConditionResultDictionary.ContainsKey(validationCondition.ValidationConditionID))
{
ParameterExpression parameterExpression = Expression.Parameter(typeof(T), typeof(T).Name);
LambdaExpression expression = DynamicExpression.ParseLambda(new[] { parameterExpression }, typeof(bool), validationCondition.Expression);
bool outcome = (bool)expression.Compile().DynamicInvoke(target);
_validationConditionResultDictionary.Add(validationCondition.ValidationConditionID, outcome);
}
return(_validationConditionResultDictionary[validationCondition.ValidationConditionID]);
}
private bool EvaluateNode <T>(ExpressionTreeNode node, T target, IEnumerable <IValidationCondition> validationConditions)
{
if (!node.Token.IsOperatorToken())
{
IIdentifier identifier = (IIdentifier)node.Token;
IValidationCondition validationCondition = validationConditions.FirstOrDefault(r => r.ValidationConditionID == identifier.ID);
return(EvaluateValidationCondition(target, validationCondition));
}
else
{
IOperator op = (IOperator)node.Token;
return(op.Evaluate(() => EvaluateNode(node.Left, target, validationConditions),
() => EvaluateNode(node.Right, target, validationConditions)));
}
}
/// <summary>
/// Checks value is type of <see cref="TType"/>
/// </summary>
public static IValidationCondition <object> IsType <TType>(
this IValidationCondition <object> condition,
Action <IValidationCondition <TType> >?typed = null)
{
if (condition.Value is TType)
{
var typedCondition = new ValidationCondition <TType>(
condition.ValidationContext,
condition.ValidationKey,
new Lazy <TType>(() => (TType)condition.Value));
typed?.Invoke(typedCondition);
condition.IsValid = typedCondition.IsValid ?? false;
}
else
{
condition.IsValid = true;
}
return(condition);
}
/// <summary>
/// Adds <see cref="ValidationDetail" /> to <see cref="IValidationContext" /> with fatal severity
/// </summary>
/// <exception cref="ValidationConditionException">
/// Throws when ValidationDetail.ValidationSeverity greater ValidationContext.ValidationSeverity.
/// Example: Add fatal detail, when validation context severity is error
/// </exception>
public static ValidationDetail?AddValidationFatal(
this IValidationCondition condition,
string validationMessage)
{
return(condition.AddValidationDetail(validationMessage, ValidationSeverity.Fatal));
}
/// <summary>
/// Checks value is false
/// </summary>
public static IValidationCondition <bool> IsFalse(
this IValidationCondition <bool> condition)
{
return(condition.IsNot(value => value));
}
/// <summary>
/// Adds a Condition to the rule. If the condition needs a Property to be validated, the property has to be added to the condition. This will not be done automaticaly.
/// </summary>
/// <param name="condition">The condition that will be validated</param>
/// <returns>A ValidationRule</returns>
public virtual IValidationRule <T> AddCondition(IValidationCondition <T> condition)
{
ValidationConditions.Add(condition);
return(this);
}
/// <summary>
/// Checks value is type of
/// </summary>
public static IValidationCondition <TValue> IsType <TValue>(
this IValidationCondition <TValue> condition,
Type type)
{
return(condition.Is(value => value?.GetType() == type));
}
/// <summary>
/// Checks value is not equal using Equals method
/// </summary>
public static IValidationCondition <TValue> IsNotEqual <TValue>(
this IValidationCondition <TValue> condition,
TValue expect)
{
return(condition.IsNot(value => value?.Equals(expect) ?? expect is null));
}
/// <summary>
/// Checks value is not null
/// </summary>
public static IValidationCondition <TValue> IsNotNull <TValue>(this IValidationCondition <TValue> condition)
{
return(condition.IsNot(value => value is null));
}
/// <summary>
/// Checks collection has count not
/// </summary>
public static IValidationCondition <ICollection <TElement> > HasCountNot <TElement>(
this IValidationCondition <ICollection <TElement> > condition,
int count)
{
return(condition.IsNot(value => value?.Count == count));
}
/// <summary>
/// Checks values has a value
/// </summary>
public static IValidationCondition <TValue> IsNotIn <TValue>(
this IValidationCondition <TValue> condition,
IEnumerable <TValue> values)
{
return(condition.IsNot(value => values.Contains(condition.Value)));
}
/// <summary>
/// Checks collection is not contains
/// </summary>
public static IValidationCondition <ICollection <TElement> > IsNotContains <TElement>(
this IValidationCondition <ICollection <TElement> > condition,
TElement element)
{
return(condition.IsNot(value => value?.Contains(element) ?? false));
}
/// <summary>
/// Checks collection is empty
/// </summary>
public static IValidationCondition <ICollection <TElement> > IsEmpty <TElement>(
this IValidationCondition <ICollection <TElement> > condition)
{
return(condition.Is(value => value is null || value.Count == 0));
}
/// <summary>
/// Checks if value is not valid
/// </summary>
public static IValidationCondition <TValue> IsNot <TValue>(
this IValidationCondition <TValue> condition,
Func <TValue, bool> predicate)
{
return(condition.IsNot(() => predicate(condition.Value)));
}
/// <summary>
/// Checks if value is not default
/// </summary>
public static IValidationCondition <TValue> IsNotDefault <TValue>(
this IValidationCondition <TValue> condition)
{
return(condition.IsNot(value => EqualityComparer <TValue> .Default.Equals(value, default)));
}
public abstract IValidationCondition UpdateValidationCondition(IValidationCondition validationCondition);
/// <summary>
/// Checks values has a value
/// </summary>
public static IValidationCondition <TValue> IsNotIn <TValue>(
this IValidationCondition <TValue> condition,
params TValue[] values)
{
return(condition.IsNot(value => values.Contains(condition.Value)));
}
/// <summary>
/// Checks value is true
/// </summary>
public static IValidationCondition <bool> IsTrue(
this IValidationCondition <bool> condition)
{
return(condition.Is(value => value));
}
