Jānis Kacēns
58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package db
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import (
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"database/sql"
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_ "embed"
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"fmt"
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_ "modernc.org/sqlite"
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"golang.org/x/crypto/bcrypt"
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"qbank/internal/config"
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)
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//go:embed schema.sql
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var schema string
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func Open(path string) (*sql.DB, error) {
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db, err := sql.Open("sqlite", path)
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if err != nil {
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return nil, fmt.Errorf("open sqlite: %w", err)
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}
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db.SetMaxOpenConns(1)
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for _, stmt := range []string{
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"PRAGMA journal_mode=WAL",
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"PRAGMA foreign_keys=ON",
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} {
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if _, err := db.Exec(stmt); err != nil {
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db.Close()
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return nil, fmt.Errorf("pragma %q: %w", stmt, err)
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}
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}
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if _, err := db.Exec(schema); err != nil {
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db.Close()
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return nil, fmt.Errorf("apply schema: %w", err)
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}
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return db, nil
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}
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func Seed(db *sql.DB, users []config.AdminUser) error {
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var count int
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if err := db.QueryRow("SELECT COUNT(*) FROM users").Scan(&count); err != nil {
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return fmt.Errorf("count users: %w", err)
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}
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if count > 0 {
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return nil
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}
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for _, u := range users {
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hash, err := bcrypt.GenerateFromPassword([]byte(u.Password), bcrypt.DefaultCost)
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if err != nil {
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return fmt.Errorf("hash password for %q: %w", u.Name, err)
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}
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if _, err := db.Exec("INSERT INTO users (name, password_hash) VALUES (?, ?)", u.Name, string(hash)); err != nil {
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return fmt.Errorf("insert user %q: %w", u.Name, err)
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}
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}
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return nil
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}
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