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|
package main
import (
"database/sql"
"log"
"golang.org/x/crypto/bcrypt"
"stevenlr.com/locker/model"
)
func initializeDatabaseV1(db *sql.DB) error {
tx, err := db.Begin()
if err != nil {
return err
}
defer tx.Rollback()
_, err = tx.Exec(`PRAGMA user_version = 1`)
if err != nil {
return err
}
_, err = tx.Exec(`
CREATE TABLE Lock (
Id BLOB NOT NULL UNIQUE,
Name TEXT NOT NULL,
StartTime TEXT NOT NULL,
EndTime TEXT NOT NULL,
Owner BLOB NOT NULL,
Token TEXT NOT NULL UNIQUE,
PRIMARY KEY (Id)
)`)
if err != nil {
return err
}
_, err = tx.Exec(`
CREATE TABLE User (
Id BLOB NOT NULL UNIQUE,
Name TEXT NOT NULL,
Password BLOB NOT NULL,
PRIMARY KEY (id)
)`)
if err != nil {
return err
}
userName := "admin"
userPassword := "admin"
password, err := bcrypt.GenerateFromPassword([]byte(userPassword), bcrypt.MinCost)
if err != nil {
return err
}
_, err = tx.Exec(`INSERT INTO User VALUES ($1, $2, $3)`, model.MakeUUID(), userName, password)
if err != nil {
return err
}
return tx.Commit()
}
func migrateDatabaseV2(db *sql.DB) error {
tx, err := db.Begin()
if err != nil {
return err
}
defer tx.Rollback()
_, err = tx.Exec(`PRAGMA user_version = 2`)
if err != nil {
return err
}
_, err = tx.Exec("CREATE INDEX LockTokenIndex ON Lock(Token)")
if err != nil {
return err
}
return tx.Commit()
}
func InitializeDatabase(db *sql.DB) error {
initialVersion := 0
row := db.QueryRow("PRAGMA user_version")
row.Scan(&initialVersion)
if initialVersion < 1 {
log.Println("Initializing DB V1")
err := initializeDatabaseV1(db)
if err != nil {
return err
}
}
if initialVersion < 2 {
log.Println("Migrating DB to V2")
err := migrateDatabaseV2(db)
if err != nil {
return err
}
}
return nil
}
|
