87 lines
1.7 KiB
Go
87 lines
1.7 KiB
Go
package db
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import (
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"fmt"
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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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"senan.xyz/g/gonic/model"
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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": []string{"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": []string{"30000"},
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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 (db *DB) GetSetting(key string) string {
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setting := &model.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(model.Setting{Key: key}).
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Assign(model.Setting{Value: value}).
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FirstOrCreate(&model.Setting{})
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}
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func (db *DB) GetUserFromName(name string) *model.User {
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user := &model.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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func New(path string) (*DB, error) {
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pathAndArgs := fmt.Sprintf("%s?%s", path, dbOptions.Encode())
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db, err := gorm.Open("sqlite3", pathAndArgs)
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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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db.AutoMigrate(
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model.Artist{},
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model.Track{},
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model.User{},
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model.Setting{},
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model.Play{},
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model.Album{},
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)
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db.FirstOrCreate(&model.User{}, model.User{
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Name: "admin",
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Password: "admin",
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IsAdmin: true,
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})
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return &DB{DB: db}, nil
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}
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