feat: Privacy policy (#1957)

* feat: command side privacy policy

* feat: add privacy policy to api

* feat: add privacy policy query side

* fix: add privacy policy to mgmt api

* fix: add privacy policy to auth and base data

* feat: use privacyPolicy in login gui

* feat: use privacyPolicy in login gui

* feat: test org fatures

* feat: typos

* feat: tos in register

internal/repository/policy/policy_privacy.go

@@ -0,0 +1,136 @@
+package policy
+
+import (
+	"encoding/json"
+	"github.com/caos/zitadel/internal/eventstore"
+
+	"github.com/caos/zitadel/internal/errors"
+	"github.com/caos/zitadel/internal/eventstore/repository"
+)
+
+const (
+	PrivacyPolicyAddedEventType   = "policy.privacy.added"
+	PrivacyPolicyChangedEventType = "policy.privacy.changed"
+	PrivacyPolicyRemovedEventType = "policy.privacy.removed"
+)
+
+type PrivacyPolicyAddedEvent struct {
+	eventstore.BaseEvent `json:"-"`
+
+	TOSLink     string `json:"tosLink,omitempty"`
+	PrivacyLink string `json:"privacyLink,omitempty"`
+}
+
+func (e *PrivacyPolicyAddedEvent) Data() interface{} {
+	return e
+}
+
+func (e *PrivacyPolicyAddedEvent) UniqueConstraints() []*eventstore.EventUniqueConstraint {
+	return nil
+}
+
+func NewPrivacyPolicyAddedEvent(
+	base *eventstore.BaseEvent,
+	tosLink,
+	privacyLink string,
+) *PrivacyPolicyAddedEvent {
+	return &PrivacyPolicyAddedEvent{
+		BaseEvent:   *base,
+		TOSLink:     tosLink,
+		PrivacyLink: privacyLink,
+	}
+}
+
+func PrivacyPolicyAddedEventMapper(event *repository.Event) (eventstore.EventReader, error) {
+	e := &PrivacyPolicyAddedEvent{
+		BaseEvent: *eventstore.BaseEventFromRepo(event),
+	}
+	err := json.Unmarshal(event.Data, e)
+	if err != nil {
+		return nil, errors.ThrowInternal(err, "POLIC-2k0fs", "unable to unmarshal policy")
+	}
+
+	return e, nil
+}
+
+type PrivacyPolicyChangedEvent struct {
+	eventstore.BaseEvent `json:"-"`
+
+	TOSLink     *string `json:"tosLink,omitempty"`
+	PrivacyLink *string `json:"privacyLink,omitempty"`
+}
+
+func (e *PrivacyPolicyChangedEvent) Data() interface{} {
+	return e
+}
+
+func (e *PrivacyPolicyChangedEvent) UniqueConstraints() []*eventstore.EventUniqueConstraint {
+	return nil
+}
+
+func NewPrivacyPolicyChangedEvent(
+	base *eventstore.BaseEvent,
+	changes []PrivacyPolicyChanges,
+) (*PrivacyPolicyChangedEvent, error) {
+	if len(changes) == 0 {
+		return nil, errors.ThrowPreconditionFailed(nil, "POLICY-PPo0s", "Errors.NoChangesFound")
+	}
+	changeEvent := &PrivacyPolicyChangedEvent{
+		BaseEvent: *base,
+	}
+	for _, change := range changes {
+		change(changeEvent)
+	}
+	return changeEvent, nil
+}
+
+type PrivacyPolicyChanges func(*PrivacyPolicyChangedEvent)
+
+func ChangeTOSLink(tosLink string) func(*PrivacyPolicyChangedEvent) {
+	return func(e *PrivacyPolicyChangedEvent) {
+		e.TOSLink = &tosLink
+	}
+}
+
+func ChangePrivacyLink(privacyLink string) func(*PrivacyPolicyChangedEvent) {
+	return func(e *PrivacyPolicyChangedEvent) {
+		e.PrivacyLink = &privacyLink
+	}
+}
+
+func PrivacyPolicyChangedEventMapper(event *repository.Event) (eventstore.EventReader, error) {
+	e := &PrivacyPolicyChangedEvent{
+		BaseEvent: *eventstore.BaseEventFromRepo(event),
+	}
+
+	err := json.Unmarshal(event.Data, e)
+	if err != nil {
+		return nil, errors.ThrowInternal(err, "POLIC-22nf9", "unable to unmarshal policy")
+	}
+
+	return e, nil
+}
+
+type PrivacyPolicyRemovedEvent struct {
+	eventstore.BaseEvent `json:"-"`
+}
+
+func (e *PrivacyPolicyRemovedEvent) Data() interface{} {
+	return nil
+}
+
+func (e *PrivacyPolicyRemovedEvent) UniqueConstraints() []*eventstore.EventUniqueConstraint {
+	return nil
+}
+
+func NewPrivacyPolicyRemovedEvent(base *eventstore.BaseEvent) *PrivacyPolicyRemovedEvent {
+	return &PrivacyPolicyRemovedEvent{
+		BaseEvent: *base,
+	}
+}
+
+func PrivacyPolicyRemovedEventMapper(event *repository.Event) (eventstore.EventReader, error) {
+	return &PrivacyPolicyRemovedEvent{
+		BaseEvent: *eventstore.BaseEventFromRepo(event),
+	}, nil
+}