mirror of
https://github.com/navidrome/navidrome.git
synced 2025-04-01 19:47:37 +03:00
140 lines
3 KiB
Go
140 lines
3 KiB
Go
package db
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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/mattn/go-sqlite3"
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"github.com/navidrome/navidrome/conf"
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_ "github.com/navidrome/navidrome/db/migrations"
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"github.com/navidrome/navidrome/log"
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"github.com/navidrome/navidrome/utils/singleton"
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"github.com/pressly/goose/v3"
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)
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var (
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Driver = "sqlite3"
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Path string
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)
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//go:embed migrations/*.sql
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var embedMigrations embed.FS
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const migrationsFolder = "migrations"
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func Db() *sql.DB {
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return singleton.GetInstance(func() *sql.DB {
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Path = conf.Server.DbPath
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if Path == ":memory:" {
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Path = "file::memory:?cache=shared&_foreign_keys=on"
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conf.Server.DbPath = Path
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}
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log.Debug("Opening DataBase", "dbPath", Path, "driver", Driver)
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instance, err := sql.Open(Driver, Path)
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if err != nil {
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panic(err)
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}
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return instance
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})
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}
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func Close() error {
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log.Info("Closing Database")
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return Db().Close()
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}
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func Init() {
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db := Db()
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// Disable foreign_keys to allow re-creating tables in migrations
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_, err := db.Exec("PRAGMA foreign_keys=off")
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defer func() {
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_, err := db.Exec("PRAGMA foreign_keys=on")
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if err != nil {
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log.Error("Error re-enabling foreign_keys", err)
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}
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}()
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if err != nil {
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log.Error("Error disabling foreign_keys", err)
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}
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gooseLogger := &logAdapter{silent: isSchemaEmpty(db)}
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goose.SetBaseFS(embedMigrations)
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err = goose.SetDialect(Driver)
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if err != nil {
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log.Fatal("Invalid DB driver", "driver", Driver, err)
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}
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if !isSchemaEmpty(db) && hasPendingMigrations(db, migrationsFolder) {
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log.Info("Upgrading DB Schema to latest version")
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}
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goose.SetLogger(gooseLogger)
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err = goose.Up(db, migrationsFolder)
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if err != nil {
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log.Fatal("Failed to apply new migrations", err)
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}
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}
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type statusLogger struct{ numPending int }
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func (*statusLogger) Fatalf(format string, v ...interface{}) { log.Fatal(fmt.Sprintf(format, v...)) }
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func (l *statusLogger) Printf(format string, v ...interface{}) {
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if len(v) < 1 {
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return
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}
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if v0, ok := v[0].(string); !ok {
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return
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} else if v0 == "Pending" {
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l.numPending++
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}
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}
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func hasPendingMigrations(db *sql.DB, folder string) bool {
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l := &statusLogger{}
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goose.SetLogger(l)
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err := goose.Status(db, folder)
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if err != nil {
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log.Fatal("Failed to check for pending migrations", err)
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}
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return l.numPending > 0
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}
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func isSchemaEmpty(db *sql.DB) bool {
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rows, err := db.Query("SELECT name FROM sqlite_master WHERE type='table' AND name='goose_db_version';") // nolint:rowserrcheck
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if err != nil {
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log.Fatal("Database could not be opened!", err)
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}
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defer rows.Close()
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return !rows.Next()
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}
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type logAdapter struct {
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silent bool
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}
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func (l *logAdapter) Fatal(v ...interface{}) {
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log.Fatal(fmt.Sprint(v...))
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}
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func (l *logAdapter) Fatalf(format string, v ...interface{}) {
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log.Fatal(fmt.Sprintf(format, v...))
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}
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func (l *logAdapter) Print(v ...interface{}) {
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if !l.silent {
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log.Info(fmt.Sprint(v...))
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}
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}
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func (l *logAdapter) Println(v ...interface{}) {
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if !l.silent {
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log.Info(fmt.Sprintln(v...))
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}
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}
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func (l *logAdapter) Printf(format string, v ...interface{}) {
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if !l.silent {
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log.Info(fmt.Sprintf(format, v...))
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}
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}
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