refactor(v2): init events (#7823)

creates events structures for initial projections and read models

internal/v2/user/human_profile_changed.go

@@ -0,0 +1,45 @@
+package user
+
+import (
+	"golang.org/x/text/language"
+
+	"github.com/zitadel/zitadel/internal/domain"
+	"github.com/zitadel/zitadel/internal/v2/eventstore"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+type humanProfileChangedPayload struct {
+	FirstName         string         `json:"firstName,omitempty"`
+	LastName          string         `json:"lastName,omitempty"`
+	NickName          *string        `json:"nickName,omitempty"`
+	DisplayName       *string        `json:"displayName,omitempty"`
+	PreferredLanguage *language.Tag  `json:"preferredLanguage,omitempty"`
+	Gender            *domain.Gender `json:"gender,omitempty"`
+}
+
+type HumanProfileChangedEvent eventstore.Event[humanProfileChangedPayload]
+
+const HumanProfileChangedType = humanPrefix + ".profile.changed"
+
+var _ eventstore.TypeChecker = (*HumanProfileChangedEvent)(nil)
+
+// ActionType implements eventstore.Typer.
+func (c *HumanProfileChangedEvent) ActionType() string {
+	return HumanProfileChangedType
+}
+
+func HumanProfileChangedEventFromStorage(event *eventstore.StorageEvent) (e *HumanProfileChangedEvent, _ error) {
+	if event.Type != e.ActionType() {
+		return nil, zerrors.ThrowInvalidArgument(nil, "USER-Z1aFH", "Errors.Invalid.Event.Type")
+	}
+
+	payload, err := eventstore.UnmarshalPayload[humanProfileChangedPayload](event.Payload)
+	if err != nil {
+		return nil, err
+	}
+
+	return &HumanProfileChangedEvent{
+		StorageEvent: event,
+		Payload:      payload,
+	}, nil
+}