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package rule
import (
"github.com/kataras/iris/v12/context"
)
// Conditional is a Rule witch adds a predicate in order to its methods to execute
type conditionalRule struct {
claimPredicate func() bool
validPredicate func() bool
}
var emptyConditionalPredicate = func() bool {
return true
}
var _ Rule = &conditionalRule{}
// Conditional returns a new rule witch has conditionals
func Conditional(claimPredicate func() bool, validPredicate func() bool) Rule {
if claimPredicate == nil {
claimPredicate = emptyConditionalPredicate
}
if validPredicate == nil {
validPredicate = emptyConditionalPredicate
}
return &conditionalRule{
claimPredicate: claimPredicate,
validPredicate: validPredicate,
}
}
// Claim validator
func (c *conditionalRule) Claim(ctx *context.Context) bool {
return c.claimPredicate()
}
// Valid validator
func (c *conditionalRule) Valid(ctx *context.Context) bool {
return c.validPredicate()
}