Files
2026-04-07 17:41:25 +02:00

82 lines
2.3 KiB
Go

package timeutil
import (
"fmt"
"strconv"
"strings"
"time"
)
// parseDaysDuration handles duration strings like "7d", "30d", "365d"
func parseDaysDuration(durationStr string) (time.Duration, error) {
if !strings.HasSuffix(durationStr, "d") {
return 0, fmt.Errorf("not a day duration format")
}
daysStr := strings.TrimSuffix(durationStr, "d")
days, err := strconv.Atoi(daysStr)
if err != nil {
return 0, fmt.Errorf("invalid day value: %s", daysStr)
}
return time.Duration(days) * 24 * time.Hour, nil
}
// ParseDuration parses a duration string that can be either Go duration or "Xd" format
func ParseDuration(durationStr string) (time.Duration, error) {
// Try days format first
if duration, err := parseDaysDuration(durationStr); err == nil {
return duration, nil
}
// Fall back to standard Go duration
return time.ParseDuration(durationStr)
}
// ParseToMinutes parses a duration string and converts it to minutes for the ProtonVPN API.
// Accepts formats like "7d", "30d", "365d", "30m", "24h", "1h30m".
// Returns the duration in "XXX min" format as expected by the API.
func ParseToMinutes(durationStr string) (string, error) {
duration, err := ParseDuration(durationStr)
if err != nil {
return "", fmt.Errorf("invalid duration format: %s", durationStr)
}
// Convert to minutes
minutes := int(duration.Minutes())
if minutes < 1 {
return "", fmt.Errorf("duration must be at least 1 minute")
}
// Max 365 days = 525600 minutes
maxMinutes := 365 * 24 * 60
if minutes > maxMinutes {
return "", fmt.Errorf("duration cannot exceed 365 days")
}
return fmt.Sprintf("%d min", minutes), nil
}
// ParseSessionDuration parses a session duration string for local caching.
// Accepts formats like "7d", "30d", or standard Go duration strings.
// Returns 0 to indicate "use API default".
func ParseSessionDuration(durationStr string) (time.Duration, error) {
// Handle "0" as use API default
if durationStr == "0" {
return 0, nil
}
duration, err := ParseDuration(durationStr)
if err != nil {
return 0, fmt.Errorf("invalid session duration format: %s", durationStr)
}
// Validate max duration (30 days)
maxDuration := 30 * 24 * time.Hour
if duration > maxDuration {
return 0, fmt.Errorf("session duration cannot exceed 30 days (got: %s)", duration)
}
return duration, nil
}