2024-12-23 09:18:48 +01:00

109 lines
2.6 KiB
Go

package eventstore
import (
"context"
"database/sql"
_ "embed"
"fmt"
"github.com/zitadel/logging"
"github.com/zitadel/zitadel/internal/api/authz"
"github.com/zitadel/zitadel/internal/database"
"github.com/zitadel/zitadel/internal/eventstore"
"github.com/zitadel/zitadel/internal/telemetry/tracing"
)
var pushTxOpts = &sql.TxOptions{
Isolation: sql.LevelReadCommitted,
ReadOnly: false,
}
func (es *Eventstore) Push(ctx context.Context, client database.ContextQueryExecuter, commands ...eventstore.Command) (events []eventstore.Event, err error) {
ctx, span := tracing.NewSpan(ctx)
defer func() { span.EndWithError(err) }()
events, err = es.writeCommands(ctx, client, commands)
if isSetupNotExecutedError(err) {
return es.pushWithoutFunc(ctx, client, commands...)
}
return events, err
}
func (es *Eventstore) writeCommands(ctx context.Context, client database.ContextQueryExecuter, commands []eventstore.Command) (_ []eventstore.Event, err error) {
var conn *sql.Conn
switch c := client.(type) {
case database.Client:
conn, err = c.Conn(ctx)
case nil:
conn, err = es.client.Conn(ctx)
client = conn
}
if err != nil {
return nil, err
}
if conn != nil {
defer conn.Close()
}
tx, close, err := es.pushTx(ctx, client)
if err != nil {
return nil, err
}
if close != nil {
defer func() {
err = close(err)
}()
}
_, err = tx.ExecContext(ctx, fmt.Sprintf("SET LOCAL application_name = '%s'", fmt.Sprintf("zitadel_es_pusher_%s", authz.GetInstance(ctx).InstanceID())))
if err != nil {
return nil, err
}
events, err := writeEvents(ctx, tx, commands)
if err != nil {
return nil, err
}
if err = handleUniqueConstraints(ctx, tx, commands); err != nil {
return nil, err
}
err = es.handleFieldCommands(ctx, tx, commands)
if err != nil {
return nil, err
}
return events, nil
}
func writeEvents(ctx context.Context, tx database.Tx, commands []eventstore.Command) (_ []eventstore.Event, err error) {
ctx, span := tracing.NewSpan(ctx)
defer func() { span.EndWithError(err) }()
events, cmds, err := commandsToEvents(ctx, commands)
if err != nil {
return nil, err
}
rows, err := tx.QueryContext(ctx, `select owner, created_at, "sequence", position from eventstore.push($1::eventstore.command[])`, cmds)
if err != nil {
return nil, err
}
defer rows.Close()
for i := 0; rows.Next(); i++ {
err = rows.Scan(&events[i].(*event).command.Owner, &events[i].(*event).createdAt, &events[i].(*event).sequence, &events[i].(*event).position)
if err != nil {
logging.WithError(err).Warn("failed to scan events")
return nil, err
}
}
if err = rows.Err(); err != nil {
return nil, err
}
return events, nil
}