s3-share/internal/db/sql.go

114 lines
2.0 KiB
Go

package db
import (
"context"
"database/sql"
"time"
_ "embed"
_ "github.com/go-sql-driver/mysql"
"github.com/sirupsen/logrus"
"git.kapelle.org/niklas/s3share/internal/types"
)
//go:embed setup.sql
var setupSql string
type sqlDB struct {
db *sql.DB
}
func NewSQLDB(dataSourceName string) (DB, error) {
db, err := sql.Open("mysql", dataSourceName)
if err != nil {
return nil, err
}
// https://github.com/go-sql-driver/mysql#important-settings
db.SetConnMaxLifetime(time.Minute * 3)
db.SetMaxOpenConns(10)
db.SetMaxIdleConns(10)
// Connect and check the server version
var version string
db.QueryRow("SELECT VERSION()").Scan(&version)
logrus.Info("DB Version:", version)
_, err = db.Exec(setupSql)
if err != nil {
return nil, err
}
return &sqlDB{
db: db,
}, nil
}
func (db *sqlDB) GetShare(ctx context.Context, slug string) (*types.Share, error) {
res, err := db.db.QueryContext(ctx, "SELECT slug, objKey FROM shares WHERE slug = ?", slug)
if err != nil {
return nil, err
}
if !res.Next() {
return nil, nil
}
var share types.Share
err = res.Scan(&share.Slug, &share.Key)
if err != nil {
return nil, err
}
return &share, nil
}
func (db *sqlDB) CreateShare(ctx context.Context, share *types.Share) error {
_, err := db.db.ExecContext(ctx, "INSERT INTO shares (slug, objKey) VALUES (?, ?)", share.Slug, share.Key)
if err != nil {
return err
}
return nil
}
func (db *sqlDB) DeleteShare(ctx context.Context, slug string) error {
_, err := db.db.ExecContext(ctx, "DELETE FROM shares WHERE slug = ?", slug)
if err != nil {
return err
}
return nil
}
func (db *sqlDB) GetAllShares(ctx context.Context) ([]*types.Share, error) {
res, err := db.db.QueryContext(ctx, "SELECT slug, objKey FROM shares")
if err != nil {
return nil, err
}
var shares []*types.Share
for res.Next() {
var share types.Share
err = res.Scan(&share.Slug, &share.Key)
if err != nil {
return nil, err
}
shares = append(shares, &share)
}
return shares, nil
}
func (db *sqlDB) Close() error {
return db.db.Close()
}