erster Versuch mit Fahrkosten

2026-05-27 22:33:41 +02:00
parent aad25109da
commit 102bc441c6
3 changed files with 173 additions and 3 deletions
@@ -0,0 +1,109 @@
+'use client';
+
+import { useEffect, useState } from 'react';
+
+interface FahrkostenRow {
+  ID: number;
+  Kuerzel: string;
+  Name: string;
+  Anzahl: number;
+}
+
+const SATZ = Number(process.env.NEXT_PUBLIC_FAHRKOSTEN_SATZ ?? 15);
+
+function defaultAb(): string {
+  const d = new Date();
+  return `${d.getFullYear()}-01-01`;
+}
+
+export default function Fahrkosten() {
+  const [ab, setAb] = useState(defaultAb);
+  const [rows, setRows] = useState<FahrkostenRow[] | null>(null);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState('');
+
+  useEffect(() => {
+    let cancelled = false;
+    setLoading(true);
+    setError('');
+    fetch(`/api/fahrkosten?ab=${ab}`)
+      .then((r) => { if (!r.ok) throw new Error(); return r.json(); })
+      .then((d: FahrkostenRow[]) => { if (!cancelled) { setRows(d); setLoading(false); } })
+      .catch(() => { if (!cancelled) { setError('Fehler beim Laden.'); setLoading(false); } });
+    return () => { cancelled = true; };
+  }, [ab]);
+
+  const gesamt = rows ? rows.reduce((s, r) => s + r.Anzahl * SATZ, 0) : 0;
+
+  const thCls = 'px-3 py-2 border border-gray-300 text-xs font-semibold bg-gray-100 text-left whitespace-nowrap';
+  const thNarrowCls = `${thCls} w-16`;
+  const tdCls = 'px-3 py-2 border border-gray-200 text-sm';
+  const tdNarrowCls = `${tdCls} w-16`;
+  const tdNumCls = 'px-3 py-2 border border-gray-200 text-sm text-right tabular-nums w-20';
+
+  const abFormatted = new Date(ab + 'T00:00:00').toLocaleDateString('de-DE', {
+    day: '2-digit', month: '2-digit', year: 'numeric',
+  });
+
+  return (
+    <div className="space-y-4 print:pl-[1.5cm]">
+      <div className="flex items-center gap-3 print:hidden">
+        <label className="text-sm font-medium text-gray-700 whitespace-nowrap">Ab Datum</label>
+        <input
+          type="date"
+          value={ab}
+          onChange={(e) => setAb(e.target.value)}
+          className="px-2 py-1 border-2 border-gray-400 rounded-lg bg-white text-sm focus:border-blue-500 focus:outline-none"
+        />
+      </div>
+
+      {/* Druckkopf */}
+      <div className="hidden print:block mb-2">
+        <div className="text-lg font-bold">Sternwarte Welzheim — Fahrkostenabrechnung</div>
+        <div className="text-sm text-gray-600">Führungen ab <strong>{abFormatted}</strong> · {SATZ} € pro Führung</div>
+        <div className="text-xs text-gray-400 mt-0.5">Ausdruck vom {new Date().toLocaleDateString('de-DE')}</div>
+      </div>
+
+      {loading && <div className="text-gray-500 text-sm py-4">Lade...</div>}
+      {error && <div className="text-red-600 text-sm py-4">{error}</div>}
+
+      {!loading && !error && rows && (
+        <>
+          {rows.length === 0 ? (
+            <div className="text-gray-500 text-sm py-4">Keine Führungen in diesem Zeitraum gefunden.</div>
+          ) : (
+            <div className="overflow-x-auto">
+              <table className="w-full border-collapse text-sm">
+                <thead>
+                  <tr>
+                    <th className={thCls}>Name</th>
+                    <th className={thNarrowCls}>Kürzel</th>
+                    <th className={`${thNarrowCls} text-right`}>Führungen</th>
+                    <th className={`${thCls} text-right`}>Fahrkosten</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  {rows.map((r) => (
+                    <tr key={r.ID} className="hover:bg-gray-50 print:hover:bg-transparent">
+                      <td className={tdCls}>{r.Name}</td>
+                      <td className={tdNarrowCls}>{r.Kuerzel}</td>
+                      <td className={tdNumCls}>{r.Anzahl}</td>
+                      <td className={tdNumCls}>{(r.Anzahl * SATZ).toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}</td>
+                    </tr>
+                  ))}
+                </tbody>
+                <tfoot>
+                  <tr className="bg-gray-100 font-semibold">
+                    <td className={`${tdCls} font-semibold`} colSpan={2}>Gesamt</td>
+                    <td className={`${tdNumCls} font-semibold`}>{rows.reduce((s, r) => s + r.Anzahl, 0)}</td>
+                    <td className={`${tdNumCls} font-semibold`}>{gesamt.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}</td>
+                  </tr>
+                </tfoot>
+              </table>
+            </div>
+          )}
+        </>
+      )}
+    </div>
+  );
+}