public override void Process(TagHelperContext context, TagHelperOutput output)
{
base.Process(context, output);
var ruleset = new RulesetBuilder();
foreach (var metadata in this.For.ModelExplorer.Metadata.ValidatorMetadata)
{
if (metadata is JasterValidationAttribute jasterMetadata)
{
jasterMetadata.GenerateRuleset(this.For.ModelExplorer, ruleset);
}
else if (metadata is ValidationAttribute validationMetadata)
{
// See if we have a proxy for the attribute.
var metadataProxyType = _proxyType.MakeGenericType(metadata.GetType());
if (this._provider.GetService(metadataProxyType) is JasterProxyValidatorBase proxy)
{
proxy.GenerateRulesetBase(validationMetadata, this.For.ModelExplorer, ruleset);
}
}
}
output.Attributes.SetAttribute("data-ruleset", ruleset.BuildString());
}
public abstract void GenerateRuleset(T attribute, ModelExplorer model, RulesetBuilder ruleset);
internal override void GenerateRulesetBase(ValidationAttribute attribute, ModelExplorer model, RulesetBuilder ruleset)
{
if (attribute as T == null)
{
throw new InvalidCastException($"Type {attribute.GetType()} cannot be casted to {typeof(T)}");
}
this.GenerateRuleset(attribute as T, model, ruleset);
}
internal abstract void GenerateRulesetBase(ValidationAttribute attribute, ModelExplorer model, RulesetBuilder ruleset);
public override void GenerateRuleset(RegularExpressionAttribute attribute, ModelExplorer model, RulesetBuilder ruleset)
{
ruleset.AddEntry("regex")
.AddParam(attribute.Pattern);
}
public override void GenerateRuleset(StringLengthAttribute attribute, ModelExplorer model, RulesetBuilder ruleset)
{
ruleset.AddEntry("min")
.AddParam($"{attribute.MinimumLength}");
ruleset.AddEntry("max")
.AddParam($"{attribute.MaximumLength}");
}
public override void GenerateRuleset(MaxLengthAttribute attribute, ModelExplorer model, RulesetBuilder ruleset)
{
ruleset.AddEntry("max")
.AddParam($"{attribute.Length}");
}
public override void GenerateRuleset(RequiredAttribute attribute, ModelExplorer model, RulesetBuilder ruleset)
{
if (model.ModelType == typeof(string))
{
ruleset.AddEntry("not-empty");
}
}
