chore: move the go code into a subfolder

apps/api/internal/v2/eventstore/postgres/event.go

@@ -0,0 +1,64 @@
+package postgres
+
+import (
+	"encoding/json"
+	"reflect"
+	"time"
+
+	"github.com/zitadel/zitadel/internal/v2/eventstore"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+func intentToCommands(intent *intent) (commands []*command, err error) {
+	commands = make([]*command, len(intent.Commands()))
+
+	for i, cmd := range intent.Commands() {
+		payload, err := marshalPayload(cmd.Payload)
+		if err != nil {
+			return nil, zerrors.ThrowInternal(err, "POSTG-MInPK", "Errors.Internal")
+		}
+		commands[i] = &command{
+			Command:  cmd,
+			intent:   intent,
+			sequence: intent.nextSequence(),
+			payload:  payload,
+		}
+	}
+
+	return commands, nil
+}
+
+func marshalPayload(payload any) ([]byte, error) {
+	if payload == nil || reflect.ValueOf(payload).IsZero() {
+		return nil, nil
+	}
+	return json.Marshal(payload)
+}
+
+type command struct {
+	*eventstore.Command
+
+	intent *intent
+
+	payload   []byte
+	position  eventstore.GlobalPosition
+	createdAt time.Time
+	sequence  uint32
+}
+
+func (cmd *command) toEvent() *eventstore.StorageEvent {
+	return &eventstore.StorageEvent{
+		Action: eventstore.Action[eventstore.Unmarshal]{
+			Creator:  cmd.Creator,
+			Type:     cmd.Type,
+			Revision: cmd.Revision,
+			Payload: func(ptr any) error {
+				return json.Unmarshal(cmd.payload, ptr)
+			},
+		},
+		Aggregate: *cmd.intent.Aggregate(),
+		Sequence:  cmd.intent.sequence,
+		Position:  cmd.position,
+		CreatedAt: cmd.createdAt,
+	}
+}