feat: features (#1427)

* features

* features

* features

* fix json tags

* add features handler to auth

* mocks for tests

* add setup step

* fixes

* add featurelist to auth api

* grandfather state and typos

* typo

* merge new-eventstore

* fix login policy tests

* label policy in features

* audit log retention

internal/features/model/features_view.go

@@ -0,0 +1,85 @@
+package model
+
+import (
+	"time"
+
+	"github.com/caos/zitadel/internal/domain"
+)
+
+type FeaturesView struct {
+	AggregateID  string
+	CreationDate time.Time
+	ChangeDate   time.Time
+	Sequence     uint64
+	Default      bool
+
+	TierName                 string
+	TierDescription          string
+	State                    domain.FeaturesState
+	StateDescription         string
+	AuditLogRetention        time.Duration
+	LoginPolicyFactors       bool
+	LoginPolicyIDP           bool
+	LoginPolicyPasswordless  bool
+	LoginPolicyRegistration  bool
+	LoginPolicyUsernameLogin bool
+	PasswordComplexityPolicy bool
+	LabelPolicy              bool
+}
+
+func (f *FeaturesView) FeatureList() []string {
+	list := make([]string, 0, 6)
+	if f.LoginPolicyFactors {
+		list = append(list, domain.FeatureLoginPolicyFactors)
+	}
+	if f.LoginPolicyIDP {
+		list = append(list, domain.FeatureLoginPolicyIDP)
+	}
+	if f.LoginPolicyPasswordless {
+		list = append(list, domain.FeatureLoginPolicyPasswordless)
+	}
+	if f.LoginPolicyRegistration {
+		list = append(list, domain.FeatureLoginPolicyRegistration)
+	}
+	if f.LoginPolicyUsernameLogin {
+		list = append(list, domain.FeatureLoginPolicyUsernameLogin)
+	}
+	if f.PasswordComplexityPolicy {
+		list = append(list, domain.FeaturePasswordComplexityPolicy)
+	}
+	if f.LabelPolicy {
+		list = append(list, domain.FeatureLabelPolicy)
+	}
+	return list
+}
+
+type FeaturesSearchRequest struct {
+	Offset        uint64
+	Limit         uint64
+	SortingColumn FeaturesSearchKey
+	Asc           bool
+	Queries       []*FeaturesSearchQuery
+}
+
+type FeaturesSearchKey int32
+
+const (
+	FeaturesSearchKeyUnspecified FeaturesSearchKey = iota
+	FeaturesSearchKeyAggregateID
+	FeaturesSearchKeyDefault
+)
+
+type FeaturesSearchQuery struct {
+	Key    FeaturesSearchKey
+	Method domain.SearchMethod
+	Value  interface{}
+}
+
+type FeaturesSearchResult struct {
+	Offset      uint64
+	Limit       uint64
+	TotalResult uint64
+	Result      []*FeaturesView
+	Sequence    uint64
+	Timestamp   time.Time
+}