szoe-pontok/database/auth/middleware.go

package auth

import (
	"errors"

	"git.tek.govt.hu/dowerx/szoe-pontok/database"
	"github.com/redis/go-redis/v9"
)

func LoggedIn(token string) (string, error) {
	rdb, ctx := database.GetRDB()
	result, err := rdb.Get(ctx, token).Result()

	if err == redis.Nil {
		return "", err
	}

	return result, nil
}

func IsAdmin(neptun string) error {
	db := database.GetDB()

	rows, err := db.NamedQuery(`select count(*) from "admin" inner join "user" on "user"."id" = "admin"."user" where "user"."neptun" = :neptun`,
		map[string]interface{}{
			"neptun": neptun,
		})

	if err != nil {
		return err
	}

	var count int
	if !rows.Next() {
		return errors.New("not an admin")
	}

	rows.Scan(&count)

	if count != 1 {
		return errors.New("not an admin")
	}

	return nil
}