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fix(editor): a corrected frequency corrects its band

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Band and frequency have to agree — the log, every award and every upload
are read on the BAND — and an operator fixing a wrong frequency is not
also expecting to fix the band by hand. That is exactly how a QSO ends
up filed on 20m at 7 MHz. Both sides follow, TX and RX.

Only when the number lands in a known allocation, because half a
frequency is typed on the way to all of it and a band must never be
blanked by that. bandForMHz moves out of App.tsx into lib/bandplan,
where the two callers can share one answer instead of drifting.
This commit is contained in:
rouggy
2026-08-31 22:21:22 +02:00
parent e3332d1e27
commit 22e4266d38
4 changed files with 46 additions and 21 deletions
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frontend/src/components/QSOEditModal.tsx
+18 -4
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@@ -22,6 +22,7 @@ import { Combobox } from '@/components/ui/combobox';
import { cn } from '@/lib/utils';
import { flagURL } from '@/lib/flags';
import { useI18n } from '@/lib/i18n';
import { bandForMHz } from '@/lib/bandplan';
import { titleCase, sentenceCase } from '@/lib/textCase';
import type { QSOForm } from '@/types';
@@ -312,6 +313,19 @@ export function QSOEditModal({ qso, onSave, onDelete, onClose, countries = [], b
const splitHz = (hz?: number) => hz
? { khz: String(Math.floor(hz / 1000)), hz: String(hz % 1000).padStart(3, '0') }
: { khz: '', hz: '' };
// Correcting a frequency corrects its band. The pair has to agree — the log,
// every award and every upload are read on the BAND — and an operator fixing
// a wrong frequency is not also expecting to fix the band by hand, which is
// exactly how a QSO ends up filed on 20m at 7 MHz.
//
// Only when the number lands in a known allocation: half a frequency is typed
// on the way to all of it, and a band must never be blanked by that.
const syncBand = (khz: string, hz: string, field: 'band' | 'band_rx') => {
if (!khz.trim()) return;
const b = bandForMHz((parseInt(khz, 10) * 1000 + (parseInt(hz, 10) || 0)) / 1_000_000);
if (b) set(field, b as any);
};
const f0 = splitHz(draft.freq_hz);
const fr0 = splitHz(draft.freq_rx_hz);
const [freqKHz, setFreqKHz] = useState(f0.khz);
@@ -634,13 +648,13 @@ export function QSOEditModal({ qso, onSave, onDelete, onClose, countries = [], b
</div>
<div className="flex items-center gap-2">
<Label className="w-20 shrink-0">{t('qedit.txFreq')}</Label>
<Input value={freqKHz} onChange={(e) => setFreqKHz(e.target.value.replace(/\D/g, ''))} className="font-mono w-24" placeholder="kHz" />
<Input value={freqHz} onChange={(e) => setFreqHz(e.target.value.replace(/\D/g, ''))} maxLength={3} className="font-mono w-16" placeholder="Hz" />
<Input value={freqKHz} onChange={(e) => { const v = e.target.value.replace(/\D/g, ''); setFreqKHz(v); syncBand(v, freqHz, 'band'); }} className="font-mono w-24" placeholder="kHz" />
<Input value={freqHz} onChange={(e) => { const v = e.target.value.replace(/\D/g, ''); setFreqHz(v); syncBand(freqKHz, v, 'band'); }} maxLength={3} className="font-mono w-16" placeholder="Hz" />
</div>
<div className="flex items-center gap-2">
<Label className="w-20 shrink-0">{t('qedit.rxFreq')}</Label>
<Input value={freqRxKHz} onChange={(e) => setFreqRxKHz(e.target.value.replace(/\D/g, ''))} className="font-mono w-24" placeholder="kHz" />
<Input value={freqRxHz} onChange={(e) => setFreqRxHz(e.target.value.replace(/\D/g, ''))} maxLength={3} className="font-mono w-16" placeholder="Hz" />
<Input value={freqRxKHz} onChange={(e) => { const v = e.target.value.replace(/\D/g, ''); setFreqRxKHz(v); syncBand(v, freqRxHz, 'band_rx'); }} className="font-mono w-24" placeholder="kHz" />
<Input value={freqRxHz} onChange={(e) => { const v = e.target.value.replace(/\D/g, ''); setFreqRxHz(v); syncBand(freqRxKHz, v, 'band_rx'); }} maxLength={3} className="font-mono w-16" placeholder="Hz" />
</div>
</div>