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fix(guest): make Swish QR scannable on guest payment page (#22) #25

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hermes wants to merge 1 commit from fix/guest-qr-scannability into master
pull from: fix/guest-qr-scannability
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hermes commented 2026-07-18 11:32:46 +00:00
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Why

Issue #22: GuestPaymentRedirect.vue still used the old non-compliant QR settings (margin 2, #111827, width 224) that fail the Swish app's scanner on desktop. PaymentRedirect.vue was already fixed in commit 573153b, but the guest payment page was not updated.

Changes

  • GuestPaymentRedirect.vue: QR options now match PaymentRedirect.vue exactly — margin 4, width 288, errorCorrectionLevel 'M', color #000000/#ffffff
  • CSS .payment__qr-img: 224px to 288px to match the larger QR
  • GuestPaymentRedirect.spec.ts: added assertions verifying margin, width, and color options

Test plan

  • npx vitest run src/__tests__/GuestPaymentRedirect.spec.ts — 16/16 pass
  • npm run lint — clean

Closes #22

## Why Issue #22: GuestPaymentRedirect.vue still used the old non-compliant QR settings (margin 2, #111827, width 224) that fail the Swish app's scanner on desktop. PaymentRedirect.vue was already fixed in commit 573153b, but the guest payment page was not updated. ## Changes - GuestPaymentRedirect.vue: QR options now match PaymentRedirect.vue exactly — margin 4, width 288, errorCorrectionLevel 'M', color #000000/#ffffff - CSS .payment__qr-img: 224px to 288px to match the larger QR - GuestPaymentRedirect.spec.ts: added assertions verifying margin, width, and color options ## Test plan - [x] `npx vitest run src/__tests__/GuestPaymentRedirect.spec.ts` — 16/16 pass - [x] `npm run lint` — clean Closes #22
hermes added 1 commit 2026-07-18 11:32:47 +00:00
fix(guest): make Swish QR scannable on guest payment page
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b4fdcbff9e 
The guest payment page (GuestPaymentRedirect.vue) still used the old
non-compliant QR settings that were already fixed in PaymentRedirect.vue
(commit 573153b). Desktop users scanning the QR with the Swish app could
not pay via QR on the guest checkout path.

Root cause: GuestPaymentRedirect.vue was not updated when the auth-path
QR fix was applied. It kept:
  - margin: 2 (half the ISO/IEC 18004 minimum of 4 modules)
  - color #111827 (dark gray; Swish spec requires pure black)
  - width: 224 (borderline for ~80-90 char pre-fill URLs)

Changes:
  - GuestPaymentRedirect.vue: QR options now match PaymentRedirect.vue
    exactly — margin 4, width 288, errorCorrectionLevel 'M',
    color #000000/#ffffff
  - CSS .payment__qr-img: 224px -> 288px to match the larger QR
  - GuestPaymentRedirect.spec.ts: renamed 'renders QR code after loading
    swish info' to 'renders QR code with spec-compliant settings' and
    added assertions verifying margin, width, and color options

Closes #22
hermes reviewed 2026-07-18 11:33:47 +00:00
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Looks good - solid fix. Two minor suggestions.

The PR correctly mirrors the Swish QR fix from PaymentRedirect.vue into GuestPaymentRedirect.vue. The QR generation options, explanatory comment, and CSS dimensions all match the reference implementation exactly.

Critical

None.

Warnings

None.

Suggestions

  1. The test asserts margin, width, and color but not errorCorrectionLevel: 'M'. Since this is a new parameter that was absent in the old code, consider adding expect(options.errorCorrectionLevel).toBe('M') to the spec to guard against silent regression if someone removes it.

  2. The QR options object is now duplicated verbatim between GuestPaymentRedirect.vue and PaymentRedirect.vue. This exact duplication is how the original bug happened - PaymentRedirect was fixed in commit 573153b but GuestPaymentRedirect was missed. Extracting these options into a shared constant (e.g., QR_OPTIONS in @/api/payment.ts) would prevent this class of drift from recurring.

Looks Good

  • QR settings exactly match PaymentRedirect.vue (margin 4, width 288, errorCorrectionLevel: 'M', pure black on white).
  • CSS .payment__qr-img dimensions updated from 224px to 288px in sync with the QR generation change.
  • Comment thoroughly explains the QR spec reasoning (4-module quiet zone, scanner behavior).
  • Test renamed to reflect the new assertions and covers the key QR options.
  • PR description is well-structured with clear why, changes, and test plan sections.
## Looks good - solid fix. Two minor suggestions. The PR correctly mirrors the Swish QR fix from `PaymentRedirect.vue` into `GuestPaymentRedirect.vue`. The QR generation options, explanatory comment, and CSS dimensions all match the reference implementation exactly. ### Critical None. ### Warnings None. ### Suggestions 1. The test asserts `margin`, `width`, and `color` but not `errorCorrectionLevel: 'M'`. Since this is a new parameter that was absent in the old code, consider adding `expect(options.errorCorrectionLevel).toBe('M')` to the spec to guard against silent regression if someone removes it. 2. The QR options object is now duplicated verbatim between `GuestPaymentRedirect.vue` and `PaymentRedirect.vue`. This exact duplication is how the original bug happened - `PaymentRedirect` was fixed in commit 573153b but `GuestPaymentRedirect` was missed. Extracting these options into a shared constant (e.g., `QR_OPTIONS` in `@/api/payment.ts`) would prevent this class of drift from recurring. ### Looks Good - QR settings exactly match `PaymentRedirect.vue` (margin 4, width 288, `errorCorrectionLevel: 'M'`, pure black on white). - CSS `.payment__qr-img` dimensions updated from 224px to 288px in sync with the QR generation change. - Comment thoroughly explains the QR spec reasoning (4-module quiet zone, scanner behavior). - Test renamed to reflect the new assertions and covers the key QR options. - PR description is well-structured with clear why, changes, and test plan sections.
frontend/src/pages/GuestPaymentRedirect.vue
hermes commented 2026-07-18 11:33:47 +00:00
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💡 Suggestion: The test asserts margin, width, and color but not errorCorrectionLevel: 'M'. Consider adding expect(options.errorCorrectionLevel).toBe('M') to GuestPaymentRedirect.spec.ts to guard against silent regression on this parameter.

💡 **Suggestion:** The test asserts `margin`, `width`, and `color` but not `errorCorrectionLevel: 'M'`. Consider adding `expect(options.errorCorrectionLevel).toBe('M')` to `GuestPaymentRedirect.spec.ts` to guard against silent regression on this parameter.
hermes commented 2026-07-18 11:33:47 +00:00
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💡 Suggestion (DRY): The QR options object (width, margin, errorCorrectionLevel, color) is now duplicated verbatim between this file and PaymentRedirect.vue. This duplication is how the original bug happened. Consider extracting a shared QR_OPTIONS constant (e.g., in @/api/payment.ts) so both payment pages use the same source of truth.

💡 **Suggestion (DRY):** The QR options object (`width`, `margin`, `errorCorrectionLevel`, `color`) is now duplicated verbatim between this file and `PaymentRedirect.vue`. This duplication is how the original bug happened. Consider extracting a shared `QR_OPTIONS` constant (e.g., in `@/api/payment.ts`) so both payment pages use the same source of truth.
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Reference: jocke/bilhej#25
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