fix: počítání částek v haléřích z důvodu přesnosti

client/src/components/modals/PayForAllModal.tsx

@@ -33,9 +33,7 @@ function parseAmount(s: string): number | null {
     if (!s || s.trim().length === 0) return null;
     const n = parseFloat(s);
     if (isNaN(n) || n < 0) return null;
-    const parts = s.split('.');
-    if (parts.length === 2 && parts[1].length > 2) return null;
-    return Math.round(n * 100) / 100;
+    return Math.round(n * 100);
 }
 
 export default function PayForAllModal({ isOpen, onClose, locationName, locationChoices, menu, payerLogin, bankAccount, bankAccountHolder }: Readonly<Props>) {
@@ -55,11 +53,11 @@ export default function PayForAllModal({ isOpen, onClose, locationName, location
             let baseAmountParseFailed = false;
             if (menu) {
                 for (const idx of selectedFoods) {
-                    const price = parsePriceCzk(menu.food?.[idx]?.price);
-                    if (price === null) {
+                    const priceKc = parsePriceCzk(menu.food?.[idx]?.price);
+                    if (priceKc === null) {
                         baseAmountParseFailed = true;
                     } else {
-                        baseAmount += price;
+                        baseAmount += Math.round(priceKc * 100);
                     }
                 }
             }
@@ -84,19 +82,19 @@ export default function PayForAllModal({ isOpen, onClose, locationName, location
         if (includedDiners.length === 0) return 0;
         const tip = parseAmount(tipTotal);
         if (tip === null || tip === 0) return 0;
-        const totalPeople = includedDiners.length + 1; // +1 for payer
-        return Math.round((tip / totalPeople) * 100) / 100;
+        const totalPeople = includedDiners.length + 1;
+        return Math.round(tip / totalPeople);
     })();
     const payerTipShare = (() => {
         const tip = parseAmount(tipTotal);
         if (!tip) return 0;
-        return Math.round((tip - tipPerPerson * includedDiners.length) * 100) / 100;
+        return tip - tipPerPerson * includedDiners.length;
     })();
 
     const getTotal = (d: DinerEntry): number => {
         const surcharge = parseAmount(d.surchargeAmount) ?? 0;
         const tip = d.login === payerLogin ? payerTipShare : tipPerPerson;
-        return Math.round((d.baseAmount + surcharge + tip) * 100) / 100;
+        return d.baseAmount + surcharge + tip;
     };
 
     const handleInclude = useCallback((login: string, checked: boolean) => {
@@ -122,11 +120,6 @@ export default function PayForAllModal({ isOpen, onClose, locationName, location
                 setError(`Celková částka pro ${d.login} musí být kladná`);
                 return;
             }
-            const amountStr = total.toString();
-            if (amountStr.includes('.') && amountStr.split('.')[1].length > 2) {
-                setError(`Částka pro ${d.login} má více než 2 desetinná místa`);
-                return;
-            }
             const foods = d.selectedFoods.map(i => menu?.food?.[i]?.name).filter(Boolean).join(', ');
             const purposeBase = `Oběd ${locationName}${foods ? ` — ${foods}` : ''}`;
             recipients.push({
@@ -226,7 +219,7 @@ export default function PayForAllModal({ isOpen, onClose, locationName, location
                                             <td>
                                                 <small>
                                                     {foodNames || <span className="text-muted">—</span>}
-                                                    {hasMenu && d.baseAmount > 0 && <span className="text-muted"> ({d.baseAmount} Kč)</span>}
+                                                    {hasMenu && d.baseAmount > 0 && <span className="text-muted"> ({d.baseAmount / 100} Kč)</span>}
                                                     {d.baseAmountParseFailed && <span className="text-warning"> ⚠</span>}
                                                 </small>
                                             </td>
@@ -254,10 +247,10 @@ export default function PayForAllModal({ isOpen, onClose, locationName, location
                                                 </div>
                                             </td>
                                             <td className="text-end">
-                                                {(() => { const s = isPayer ? payerTipShare : tipPerPerson; return s > 0 ? `${s} Kč` : '—'; })()}
+                                                {(() => { const s = isPayer ? payerTipShare : tipPerPerson; return s > 0 ? `${s / 100} Kč` : '—'; })()}
                                             </td>
                                             <td className="text-end fw-bold">
-                                                {`${total} Kč`}
+                                                {`${total / 100} Kč`}
                                             </td>
                                         </tr>
                                     );
@@ -278,7 +271,7 @@ export default function PayForAllModal({ isOpen, onClose, locationName, location
                             />
                             <small className="text-muted">
                                 {includedDiners.length > 0 && tipPerPerson > 0
-                                    ? `(${tipPerPerson} Kč / osoba)`
+                                    ? `(${tipPerPerson / 100} Kč / osoba)`
                                     : ''}
                             </small>
                         </div>