90 lines
1.9 KiB
Go
90 lines
1.9 KiB
Go
package db
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import (
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"log"
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"net/url"
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"os"
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"github.com/jinzhu/gorm"
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"github.com/pkg/errors"
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"gopkg.in/gormigrate.v1"
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)
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var (
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dbMaxOpenConns = 1
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dbOptions = url.Values{
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// with this, multiple connections share a single data and schema cache.
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// see https://www.sqlite.org/sharedcache.html
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"cache": {"shared"},
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// with this, the db sleeps for a little while when locked. can prevent
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// a SQLITE_BUSY. see https://www.sqlite.org/c3ref/busy_timeout.html
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"_busy_timeout": {"30000"},
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"_journal_mode": {"WAL"},
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"_foreign_keys": {"true"},
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}
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)
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type DB struct {
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*gorm.DB
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}
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func New(path string) (*DB, error) {
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url := url.URL{Path: path}
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url.RawQuery = dbOptions.Encode()
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db, err := gorm.Open("sqlite3", url.String())
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if err != nil {
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return nil, errors.Wrap(err, "with gorm")
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}
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db.SetLogger(log.New(os.Stdout, "gorm ", 0))
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db.DB().SetMaxOpenConns(dbMaxOpenConns)
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migr := gormigrate.New(db, gormigrate.DefaultOptions, []*gormigrate.Migration{
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&migrationInitSchema,
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&migrationCreateInitUser,
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&migrationMergePlaylist,
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&migrationCreateTranscode,
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&migrationAddGenre,
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&migrationUpdateTranscodePrefIDX,
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})
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if err = migr.Migrate(); err != nil {
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return nil, errors.Wrap(err, "migrating to latest version")
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}
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return &DB{DB: db}, nil
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}
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func NewMock() (*DB, error) {
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return New(":memory:")
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}
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func (db *DB) GetSetting(key string) string {
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setting := &Setting{}
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db.
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Where("key=?", key).
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First(setting)
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return setting.Value
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}
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func (db *DB) SetSetting(key, value string) {
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db.
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Where(Setting{Key: key}).
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Assign(Setting{Value: value}).
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FirstOrCreate(&Setting{})
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}
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func (db *DB) GetUserFromName(name string) *User {
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user := &User{}
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err := db.
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Where("name=?", name).
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First(user).
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Error
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if gorm.IsRecordNotFoundError(err) {
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return nil
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}
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return user
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}
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func (db *DB) WithTx(cb func(tx *gorm.DB)) {
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tx := db.Begin()
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defer tx.Commit()
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cb(tx)
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}
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