117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
//go:build !windows
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package libsqldb
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import (
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"database/sql"
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"embed"
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"fmt"
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"github.com/hashicorp/go-multierror"
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"github.com/tursodatabase/go-libsql"
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"os"
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"path/filepath"
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"time"
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)
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type LibSqlDB struct {
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DB *sql.DB
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connector *libsql.Connector // only used for embedded replica
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dir string // only used for embedded replica
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localDBName string // only used for embedded replica
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authToken string
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syncInterval time.Duration // only used for embedded replica
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encryptionKey string // only used for embedded replica
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readYourWrites *bool // only used for embedded replica
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useMigrations bool
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migrationFiles embed.FS
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migrations []migrations
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}
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func NewLibSqlDB(primaryUrl string, opts ...Options) (*LibSqlDB, error) {
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l := libSqlDefaults()
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for _, option := range opts {
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err := option(l)
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if err != nil {
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return nil, fmt.Errorf("error applying options | %w", err)
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}
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}
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dir, err := os.MkdirTemp("", "libsql-*")
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if err != nil {
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fmt.Println("Error creating temporary directory:", err)
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return nil, fmt.Errorf("error setting up temporary directory for local database | %w", err)
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}
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//defer os.RemoveAll(dir)
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dbPath := filepath.Join(dir, l.localDBName)
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var lsOpts []libsql.Option
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if l.authToken != "" {
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lsOpts = append(lsOpts, libsql.WithAuthToken(l.authToken))
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}
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if l.syncInterval != 0 {
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lsOpts = append(lsOpts, libsql.WithSyncInterval(l.syncInterval))
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}
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if l.encryptionKey != "" {
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lsOpts = append(lsOpts, libsql.WithEncryption(l.encryptionKey))
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}
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if l.readYourWrites != nil {
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lsOpts = append(lsOpts, libsql.WithReadYourWrites(*l.readYourWrites))
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}
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connector, err := libsql.NewEmbeddedReplicaConnector(dbPath, primaryUrl,
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lsOpts...,
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)
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if err != nil {
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return nil, fmt.Errorf("error creating connector | %w", err)
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}
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db := sql.OpenDB(connector)
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if l.useMigrations {
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err = l.setupMigrations()
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if err != nil {
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return nil, fmt.Errorf("error setting up migrations | %w", err)
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}
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}
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l.DB = db
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l.connector = connector
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l.dir = dir
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return l, nil
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}
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func libSqlDefaults() *LibSqlDB {
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return &LibSqlDB{
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localDBName: "local.db",
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}
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}
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func (t *LibSqlDB) Close() error {
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var resultError *multierror.Error
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if err := t.DB.Close(); err != nil {
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resultError = multierror.Append(resultError, fmt.Errorf("failed to close database: %w", err))
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}
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if t.connector != nil {
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if err := t.connector.Close(); err != nil {
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resultError = multierror.Append(resultError, fmt.Errorf("failed to close connector: %w", err))
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}
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}
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if t.dir != "" {
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if err := os.RemoveAll(t.dir); err != nil {
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resultError = multierror.Append(resultError, fmt.Errorf("failed to remove directory %s: %w", t.dir, err))
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}
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}
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return resultError.ErrorOrNil()
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}
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