utils.go

package flagsmith

import (
	"sort"
)

func mapIdentityEvaluationContextToTraits(ic IdentityEvaluationContext) []*Trait {
	traits := make([]*Trait, len(ic.Traits))
	for i, tKey := range sortedKeys(ic.Traits) {
		traits[i] = mapTraitEvaluationContextToTrait(tKey, ic.Traits[tKey])
	}
	return traits
}

func mapTraitEvaluationContextToTrait(tKey string, tCtx *TraitEvaluationContext) *Trait {
	if tCtx == nil {
		return &Trait{TraitKey: tKey, TraitValue: nil}
	}
	if tCtx.Transient == nil {
		return &Trait{TraitKey: tKey, TraitValue: tCtx.Value}
	}
	return &Trait{TraitKey: tKey, TraitValue: tCtx.Value, Transient: *tCtx.Transient}
}

func sortedKeys[Map ~map[string]V, V any](m Map) []string {
	keys := make([]string, len(m))
	i := 0
	for tKey := range m {
		keys[i] = tKey
		i++
	}
	sort.Strings(keys)
	return keys
}