kacerrandClaude Opus 5.5
2d8aada8d6
- Default adult monthly rate 700 -> 600 CZK - 2026-07 and 2026-08 set to 0; 2026-09 through 2026-12 added at 600 - Single-session fee is capped at the month's rate, so a 0-rate month is free for one session as well - Mirrored in Go and legacy Python; new calculate_fee parity fixtures Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
38 lines
1.3 KiB
Go
38 lines
1.3 KiB
Go
// Package fees ports fee calculation from legacy/scripts/attendance.py.
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package fees
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const (
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AdultFeeDefault = 600 // CZK fallback for 2+ practices when month not in AdultFeeMonthlyRate
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AdultFeeSingle = 200 // CZK for exactly 1 practice
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)
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// AdultFeeMonthlyRate mirrors ADULT_FEE_MONTHLY_RATE in legacy/scripts/attendance.py.
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// Months absent from this map fall back to AdultFeeDefault.
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var AdultFeeMonthlyRate = map[string]int{
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"2025-09": 750, "2025-10": 750, "2025-11": 750, "2025-12": 750,
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"2026-01": 750, "2026-02": 750, "2026-03": 350,
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"2026-04": 700, "2026-05": 450, "2026-06": 600, "2026-07": 0, "2026-08": 0,
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"2026-09": 600, "2026-10": 600, "2026-11": 600, "2026-12": 600,
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}
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// CalculateFee returns the adult fee in CZK for attendanceCount practices in
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// the given monthKey (format "YYYY-MM").
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//
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// 0 practices → 0
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// 1 practice → AdultFeeSingle (200), capped at the month's rate so a
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// 0-rate month is free for everyone
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// 2+ → AdultFeeMonthlyRate[monthKey] or AdultFeeDefault
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func CalculateFee(attendanceCount int, monthKey string) int {
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if attendanceCount == 0 {
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return 0
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}
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rate, ok := AdultFeeMonthlyRate[monthKey]
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if !ok {
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rate = AdultFeeDefault
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}
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if attendanceCount == 1 {
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return min(AdultFeeSingle, rate)
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}
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return rate
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}
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