duration

func DecimalHoursToMinutes ¶

func DecimalHoursToMinutes(hours float64) int

DecimalHoursToMinutes converts decimal hours to integer minutes via rounding.

func FormatColonHM ¶

func FormatColonHM(minutes int) string

FormatColonHM returns a colon-separated hours:minutes string, e.g. "1:23". Suitable for EASA logbook PDF export.

func FormatDecimal ¶

func FormatDecimal(minutes int) string

FormatDecimal returns a decimal hours string with 1 decimal place, e.g. "1.4h".

func FormatHM ¶

func FormatHM(minutes int) string

FormatHM returns a human-readable hours:minutes string, e.g. "1h 23m".

func MinutesToDecimalHours ¶

func MinutesToDecimalHours(minutes int) float64

MinutesToDecimalHours converts minutes to decimal hours for display/export.

func ParseDuration ¶

func ParseDuration(input string) (int, error)

ParseDuration parses a flexible duration string into integer minutes. Accepted formats:

• "1:23" or "01:23" → 83 minutes (colon-separated hours:minutes)
• "1h23m" or "1h 23m" → 83 minutes
• "1h" → 60 minutes
• "23m" → 23 minutes
• "83" → 83 minutes (bare integer = minutes)
• "1.38" or "1.5" → decimal hours converted to minutes (83 or 90)