kacerrandClaude Opus 5.5
21db863958
- 2026-08 added to the junior rate table at 0 CZK, same as adults - A single practice in a 0-rate month is 0 instead of "?", since a free month needs no manual review - Mirrored in Go and legacy Python; new calculate_junior_fee parity fixtures Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
package fees
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const JuniorFeeDefault = 500 // CZK fallback for 2+ practices when month not in JuniorFeeMonthlyRate
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// JuniorFeeMonthlyRate mirrors JUNIOR_MONTHLY_RATE in legacy/scripts/attendance.py.
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// Months absent from this map fall back to JuniorFeeDefault.
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var JuniorFeeMonthlyRate = map[string]int{
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"2025-09": 250,
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"2026-03": 250,
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"2026-08": 0,
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}
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// Expected is the result of a junior fee calculation.
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// When Unknown is true the fee requires manual review (Python returns "?");
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// in that case Value is meaningless — always check Unknown first.
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type Expected struct {
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Value int
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Unknown bool
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}
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// CalculateJuniorFee returns the junior fee for attendanceCount practices in
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// the given monthKey (format "YYYY-MM").
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//
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// 0 practices → Expected{Value: 0}
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// 1 practice → Expected{Unknown: true} (manual review; Python sentinel "?"),
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// or Expected{Value: 0} when the month's rate is 0
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// 2+ → Expected{Value: JuniorFeeMonthlyRate[monthKey] or JuniorFeeDefault}
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func CalculateJuniorFee(attendanceCount int, monthKey string) Expected {
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if attendanceCount == 0 {
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return Expected{Value: 0}
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}
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rate, ok := JuniorFeeMonthlyRate[monthKey]
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if !ok {
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rate = JuniorFeeDefault
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}
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if attendanceCount == 1 && rate > 0 {
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return Expected{Unknown: true}
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}
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return Expected{Value: rate}
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}
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