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sqlite.go
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sqlite.go
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package internal
import (
"github.com/golang-migrate/migrate/v4"
"github.com/golang-migrate/migrate/v4/database/sqlite3"
_ "github.com/golang-migrate/migrate/v4/source/file"
"github.com/jmoiron/sqlx"
_ "github.com/mattn/go-sqlite3"
)
type SqliteDao struct {
db *sqlx.DB
}
func NewSqliteDao(dsn string) (*SqliteDao, error) {
s, err := sqlx.Connect("sqlite3", dsn)
if err != nil {
return nil, err
}
driver, err := sqlite3.WithInstance(s.DB, &sqlite3.Config{})
m, err := migrate.NewWithDatabaseInstance(
"file://scripts/migrations",
"sqlite3", driver)
if err != nil {
return nil, err
}
err = m.Up()
if err != nil && err.Error() != "no change" {
s.Close()
return nil, err
}
sd := &SqliteDao{
db: s,
}
return sd, nil
}
func (sd SqliteDao) AddFeed(url string) error {
_, err := sd.db.Exec("INSERT INTO feed (url) VALUES($1)", url)
return err
}
func (sd SqliteDao) GetFeeds() ([]Feed, error) {
var feeds []Feed
if err := sd.db.Select(&feeds, "SELECT id, url FROM feed"); err != nil {
return nil, err
}
return feeds, nil
}
func (sd SqliteDao) Close() error {
return sd.db.Close()
}