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plans: yearly discount 17% -> 10% (hobby $97.20 / pro $529.20 / team $2149.20) #7

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Merged
mastermanas805 merged 1 commit into from
May 13, 2026
Merged

plans: yearly discount 17% -> 10% (hobby $97.20 / pro $529.20 / team $2149.20) #7

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12 changes: 6 additions & 6 deletions plans/plans.go
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Original file line number Diff line number Diff line change
Expand Up @@ -472,13 +472,13 @@ plans:
custom_domains: false
sla: false
# hobby_yearly mirrors hobby exactly — same limits + features. Only the
# billing period and price differ ($90/yr ≈ $7.50/mo, ~17% off vs $9 x 12).
# billing period and price differ ($97.20/yr ≈ $8.10/mo, 10% off vs $9 x 12).
# The webhook upgrades teams to the "hobby" tier regardless of which
# cycle the user paid on; this variant exists only so the checkout
# handler can pick the right Razorpay plan_id at subscribe time.
hobby_yearly:
display_name: "Hobby (yearly)"
price_monthly_cents: 9000
price_monthly_cents: 9720
billing_period: "yearly"
trial_days: 14
limits:
Expand Down Expand Up @@ -525,10 +525,10 @@ plans:
alerts: true
custom_domains: true
sla: false
# pro_yearly mirrors pro exactly. $490/yr ≈ $40.83/mo (~17% off $49 x 12).
# pro_yearly mirrors pro exactly. $529.20/yr ≈ $44.10/mo (10% off $49 x 12).
pro_yearly:
display_name: "Pro (yearly)"
price_monthly_cents: 49000
price_monthly_cents: 52920
billing_period: "yearly"
trial_days: 0
limits:
Expand Down Expand Up @@ -575,10 +575,10 @@ plans:
alerts: true
custom_domains: true
sla: true
# team_yearly mirrors team exactly. $1990/yr ≈ $165.83/mo (~17% off $199 x 12).
# team_yearly mirrors team exactly. $2149.20/yr ≈ $179.10/mo (10% off $199 x 12).
team_yearly:
display_name: "Team (yearly)"
price_monthly_cents: 199000
price_monthly_cents: 214920
billing_period: "yearly"
trial_days: 0
limits:
Expand Down
19 changes: 19 additions & 0 deletions plans/plans_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -177,6 +177,25 @@ func TestYearlyPrices_DiscountedVsMonthlyTimesTwelve(t *testing.T) {
}
}

// TestYearlyDiscountIsExactly10Percent locks the yearly-discount contract:
// (yearly / 12) / monthly must equal 0.9 within a small tolerance for each
// of hobby/pro/team. Future price changes that accidentally drift the
// discount (e.g. forgetting to re-derive the yearly cents from the new
// monthly) will fail this test.
func TestYearlyDiscountIsExactly10Percent(t *testing.T) {
r := plans.Default()
const tolerance = 0.01
for _, base := range []string{"hobby", "pro", "team"} {
monthly := float64(r.Get(base).PriceMonthly)
yearly := float64(r.Get(base + "_yearly").PriceMonthly)
require.Greater(t, monthly, 0.0, "%s monthly price must be > 0", base)
ratio := (yearly / 12.0) / monthly
assert.InDelta(t, 0.9, ratio, tolerance,
"%s_yearly effective monthly / %s monthly must be 0.9 (10%% off); got %.4f (yearly=%d, monthly=%d)",
base, base, ratio, int(yearly), int(monthly))
}
}

func TestValidatePromotion_ValidCode_ReturnsPromotion(t *testing.T) {
yaml := `
plans:
Expand Down