52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
package db
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import (
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"database/sql"
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"fmt"
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"os"
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"path/filepath"
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_ "github.com/mattn/go-sqlite3"
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)
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// Open connects to a sqlite3 database with foreign keys enforced
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func Open(dbFile string) (*sql.DB, error) {
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db, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?_foreign_keys=on", dbFile))
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if err != nil {
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return nil, fmt.Errorf("failed to open db: %w", err)
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}
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return db, nil
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}
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// GetDBFile returns the database file path, checking DATABASE_FILE env var first
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func GetDBFile() string {
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if f := os.Getenv("DATABASE_FILE"); f != "" {
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return f
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}
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return "mal.db"
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}
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// GetMigrationsDir returns the migrations directory, checking MIGRATIONS_DIR env var first
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func GetMigrationsDir() (string, error) {
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if dir := os.Getenv("MIGRATIONS_DIR"); dir != "" {
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return dir, nil
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}
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wd, err := os.Getwd()
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if err != nil {
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return "", fmt.Errorf("failed to get working directory: %w", err)
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}
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return filepath.Join(wd, "migrations"), nil
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}
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// Init opens the database, runs migrations, and returns a Queries instance
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func Init(db *sql.DB) (*Queries, error) {
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migrationsDir, err := GetMigrationsDir()
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if err != nil {
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return nil, err
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}
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if err := RunMigrations(db, migrationsDir); err != nil {
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return nil, fmt.Errorf("failed to run migrations: %w", err)
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}
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return New(db), nil
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}
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