filer/db/db.go

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2023-08-25 02:25:38 +02:00
package db
import (
"database/sql"
"embed"
"os"
"codeberg.org/u1f320/filer/db/queries"
"codeberg.org/u1f320/filer/store"
"codeberg.org/u1f320/filer/store/local"
"emperror.dev/errors"
"github.com/joho/godotenv"
"github.com/rs/zerolog/log"
migrate "github.com/rubenv/sql-migrate"
// sqlite driver
_ "modernc.org/sqlite"
)
func init() {
godotenv.Load()
}
const defaultDBName = "filer.db?_pragma=foreign_keys(1)"
type DB struct {
*queries.Queries
db *sql.DB
Store store.Store
}
func New() (*DB, error) {
sqldb, err := sql.Open("sqlite", defaultDBName)
if err != nil {
return nil, errors.Wrap(err, "creating database")
}
err = migrateDB(sqldb, defaultDBName)
if err != nil {
return nil, errors.Wrap(err, "migrating database")
}
db := &DB{
Queries: queries.New(sqldb),
db: sqldb,
}
switch os.Getenv("STORAGE") {
case local.StoreKey:
db.Store, err = local.New(os.Getenv("LOCAL_PATH"))
default:
err = store.ErrInvalidStoreKey
}
if err != nil {
return nil, errors.Wrap(err, "creating store")
}
return db, nil
}
//go:embed migrations
var migrateFS embed.FS
func migrateDB(db *sql.DB, dbName string) error {
migrations := &migrate.EmbedFileSystemMigrationSource{
FileSystem: migrateFS,
Root: "migrations",
}
n, err := migrate.Exec(db, "sqlite3", migrations, migrate.Up)
if err != nil {
return errors.Wrap(err, "executing migrations")
}
log.Info().Int("count", n).Msg("Performed migrations!")
return nil
}