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feat(fees): update adult monthly rates for 2026-05 through 2026-08
- 2026-05: 700 → 450 CZK
- 2026-06, 07, 08: 600 CZK (new months)

Changes are mirrored in both Python (scripts/attendance.py) and Go (go/internal/domain/fees/fees.go).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-24 21:56:41 +02:00

35 lines
1.1 KiB
Go

// Package fees ports fee calculation from scripts/attendance.py.
package fees
const (
AdultFeeDefault = 700 // CZK fallback for 2+ practices when month not in AdultFeeMonthlyRate
AdultFeeSingle = 200 // CZK for exactly 1 practice
)
// AdultFeeMonthlyRate mirrors ADULT_FEE_MONTHLY_RATE in scripts/attendance.py.
// Months absent from this map fall back to AdultFeeDefault.
var AdultFeeMonthlyRate = map[string]int{
"2025-09": 750, "2025-10": 750, "2025-11": 750, "2025-12": 750,
"2026-01": 750, "2026-02": 750, "2026-03": 350,
"2026-04": 700, "2026-05": 450, "2026-06": 600, "2026-07": 600, "2026-08": 600,
}
// CalculateFee returns the adult fee in CZK for attendanceCount practices in
// the given monthKey (format "YYYY-MM").
//
// 0 practices → 0
// 1 practice → AdultFeeSingle (200)
// 2+ → AdultFeeMonthlyRate[monthKey] or AdultFeeDefault
func CalculateFee(attendanceCount int, monthKey string) int {
if attendanceCount == 0 {
return 0
}
if attendanceCount == 1 {
return AdultFeeSingle
}
if rate, ok := AdultFeeMonthlyRate[monthKey]; ok {
return rate
}
return AdultFeeDefault
}