Codevault initial commit

internal/runcmd/add_user.go

@@ -0,0 +1,32 @@
+package runcmd
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/kanootoko/codevault/internal/auth"
+	"github.com/kanootoko/codevault/internal/db"
+)
+
+// AddUser opens (creating if necessary) the database at dbPath and upserts a
+// user with the given login/password. It intentionally does not depend on the
+// application config.
+func AddUser(dbPath, login, password string) error {
+	database, err := db.Open(dbPath)
+	if err != nil {
+		return fmt.Errorf("error on opening database: %w", err)
+	}
+	defer func() { _ = database.Close() }()
+
+	hash, err := auth.Hash(login, password)
+	if err != nil {
+		return fmt.Errorf("error on hashing password: %w", err)
+	}
+
+	users := db.NewUsersRepository(database)
+	if err := users.Upsert(context.Background(), login, hash); err != nil {
+		return fmt.Errorf("error on upserting user: %w", err)
+	}
+
+	return nil
+}