wi/storage/storage.go

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2016-07-22 12:43:23 +00:00
/**
* @file storage.go
* @author Mikhail Klementyev jollheef<AT>riseup.net
* @license GNU GPLv3
* @date July, 2016
*/
package storage
import (
"database/sql"
_ "github.com/mattn/go-sqlite3"
)
func OpenDB(path string) (db *sql.DB, err error) {
db, err = sql.Open("sqlite3", path)
if err != nil {
return
}
_, err = db.Exec("CREATE TABLE IF NOT EXISTS `links` " +
"( `id` INTEGER PRIMARY KEY AUTOINCREMENT, `url` TEXT );")
return
}
func AddLink(db *sql.DB, url string) (linkNo int64, err error) {
stmt, err := db.Prepare("INSERT INTO `links` (`url`) VALUES ($1);")
if err != nil {
return
}
defer stmt.Close()
r, err := stmt.Exec(url)
if err != nil {
return
}
linkNo, err = r.LastInsertId()
return
}
func GetLink(db *sql.DB, linkID int) (url string, err error) {
stmt, err := db.Prepare("SELECT `url` FROM `links` WHERE id=$1;")
if err != nil {
return
}
defer stmt.Close()
err = stmt.QueryRow(linkID).Scan(&url)
return
}