Remove message.owner_user_id field and implement db migrations

scnserver/db/simplectx/simplecontext.go

@@ -0,0 +1,97 @@
+package simplectx
+
+import (
+	"blackforestbytes.com/simplecloudnotifier/db"
+	"context"
+	"errors"
+	"github.com/rs/zerolog/log"
+	"gogs.mikescher.com/BlackForestBytes/goext/sq"
+	"time"
+)
+
+type SimpleContext struct {
+	inner       context.Context
+	cancelFunc  context.CancelFunc
+	cancelled   bool
+	transaction sq.Tx
+}
+
+func CreateSimpleContext(innerCtx context.Context, cancelFn context.CancelFunc) *SimpleContext {
+	return &SimpleContext{
+		inner:       innerCtx,
+		cancelFunc:  cancelFn,
+		cancelled:   false,
+		transaction: nil,
+	}
+}
+
+func (sc *SimpleContext) Deadline() (deadline time.Time, ok bool) {
+	return sc.inner.Deadline()
+}
+
+func (sc *SimpleContext) Done() <-chan struct{} {
+	return sc.inner.Done()
+}
+
+func (sc *SimpleContext) Err() error {
+	return sc.inner.Err()
+}
+
+func (sc *SimpleContext) Value(key any) any {
+	return sc.inner.Value(key)
+}
+
+func (sc *SimpleContext) Cancel() {
+	sc.cancelled = true
+	if sc.transaction != nil {
+		log.Error().Msg("Rollback transaction")
+		err := sc.transaction.Rollback()
+		if err != nil {
+			panic("failed to rollback transaction: " + err.Error())
+		}
+		sc.transaction = nil
+	}
+	if sc.cancelFunc != nil {
+		sc.cancelFunc()
+	}
+}
+
+func (sc *SimpleContext) GetOrCreateTransaction(db db.DatabaseImpl) (sq.Tx, error) {
+	if sc.cancelled {
+		return nil, errors.New("context cancelled")
+	}
+	if sc.transaction != nil {
+		return sc.transaction, nil
+	}
+	tx, err := db.BeginTx(sc)
+	if err != nil {
+		return nil, err
+	}
+	sc.transaction = tx
+	return tx, nil
+}
+
+func (sc *SimpleContext) CommitTransaction() error {
+	if sc.transaction == nil {
+		return nil
+	}
+	err := sc.transaction.Commit()
+	if err != nil {
+		return err
+	}
+	sc.transaction = nil
+	return nil
+}
+
+func (sc *SimpleContext) RollbackTransaction() {
+	if sc.transaction == nil {
+		return
+	}
+	err := sc.transaction.Rollback()
+	if err != nil {
+		log.Err(err).Stack().Msg("Failed to rollback transaction")
+		panic(err)
+	}
+	sc.transaction = nil
+	return
+}