/// <summary>
/// Constructing the validation rule by the property name and error message.
/// </summary>
/// <param name="propertyName">Property name</param>
/// <param name="errorMessage">Error message to be populated on rule falure.</param>
protected BaseValidationRule(string propertyName, string errorMessage)
{
PropertyName = propertyName;
ErrorMessage = errorMessage;
//По умолчанию важность критическая
Severity = RuleSeverities.Error;
}
/// <summary>
/// Constructing the Validation error by the <see cref="BaseValidationRule"/>.
/// </summary>
/// <exception cref="ArgumentNullException"> Throws exception in case the passed rule is null</exception>
public ValidationErrorInfo(BaseValidationRule rule)
{
//Contract.Requires<ArgumentNullException>(rule != null);
if (rule == null)
{
throw new ArgumentNullException($"{nameof(rule)} shouln't be null.");
}
PropertyName = rule.PropertyName;
ErrorMessage = rule.ErrorMessage;
Severity = rule.Severity;
}
/// <summary>
/// Constructing the attribute based on the rule type, severity type and additional arguments.
/// </summary>
/// <param name="ruleType">Rule type. Should be derivered from <see cref="BaseValidationRule"/></param>
/// <param name="severity">Severity of the rule. More info: <see cref="RuleSeverities"/></param>
/// <param name="args">Additional arguments list</param>
/// <exception cref="ArgumentNullException"> Throws argument null exception if the rule type is null.</exception>
public ValidationRuleAttribute(Type ruleType, RuleSeverities severity, params object[] args)
{
//Contract.Requires<ArgumentNullException>(ruleType != null);
if (ruleType == null)
{
throw new ArgumentNullException($"{nameof(ruleType)} shouldn't be null.");
}
Rule = Activator.CreateInstance(ruleType, args) as BaseValidationRule;
if (Rule != null)
{
Rule.Severity = severity;
}
}
/// <summary>
/// Constructing the validation error by the propertyName, error message and severity
/// </summary>
/// <remarks> Severity is set default to <see cref="RuleSeverities.Error"/></remarks>
/// <param name="propertyName">Property name which failed the check</param>
/// <param name="errorMessage">Message to be populated</param>
/// <param name="severity">Error Severity level. More info: <see cref="RuleSeverities"/></param>
public ValidationErrorInfo(string propertyName, string errorMessage, RuleSeverities severity = RuleSeverities.Error)
{
PropertyName = propertyName;
ErrorMessage = errorMessage;
}
