Add Revit XLSX settings page

src/app/projects/[projectId]/revit/page.tsx

@@ -0,0 +1,34 @@
+"use client";
+
+import { ArrowLeft, FileSpreadsheet, Settings } from "lucide-react";
+import { useParams } from "next/navigation";
+import { useEffect, useState } from "react";
+import { IconLink } from "../../../../frontend/components/icon-link";
+import { RevitXlsxSettingsModal } from "../../../../frontend/components/revit-xlsx-settings-modal";
+import type { ExternalModelConfiguration } from "../../../../external-model/configuration/external-model-configuration";
+import { detectExternalModelWorkbook, getExternalModelConfiguration, getProject, updateExternalModelConfiguration } from "../../../../frontend/utils/api";
+import { createDefaultRevitXlsxConfiguration } from "../../../../frontend/utils/revit-xlsx-settings";
+import type { ExternalModelConfigurationSnapshotDto, ProjectDto } from "../../../../frontend/types";
+
+export default function RevitPage() {
+  const { projectId } = useParams<{ projectId: string }>();
+  const [project, setProject] = useState<ProjectDto | null>(null);
+  const [snapshot, setSnapshot] = useState<ExternalModelConfigurationSnapshotDto | null>(null);
+  const [open, setOpen] = useState(false);
+  const [saving, setSaving] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  useEffect(() => { Promise.all([getProject(projectId), getExternalModelConfiguration(projectId)]).then(([loadedProject, result]) => { setProject(loadedProject); setSnapshot(result.configuration); }).catch((value: unknown) => setError(value instanceof Error ? value.message : "Revit-Daten konnten nicht geladen werden.")); }, [projectId]);
+  async function save(configuration: ExternalModelConfiguration) {
+    if (!project) return;
+    setSaving(true); setError(null);
+    try { const result = await updateExternalModelConfiguration(projectId, project.currentRevision, configuration); setSnapshot(result.configuration); setProject({ ...project, currentRevision: result.history.currentRevision }); setOpen(false); }
+    catch (value) { setError(value instanceof Error ? value.message : "Einstellungen konnten nicht gespeichert werden."); }
+    finally { setSaving(false); }
+  }
+  return <main className="container py-4">
+    <div className="page-header"><div><div className="kicker">Projekt · Revit</div><h1>{project?.name ?? "Revit-Anbindung"}</h1><p className="text-secondary mb-0">Linear-XLSX austauschen und Revit-Objekte verwalten</p></div><div className="d-flex gap-2"><button className="btn btn-primary btn-with-icon" disabled={!project} onClick={() => setOpen(true)} type="button"><Settings size={16} />Einstellungen</button><IconLink href={`/projects/${projectId}`} icon={ArrowLeft} label="Zum Projekt" showLabel /></div></div>
+    {error ? <div className="alert alert-danger">{error}</div> : null}
+    <div className="row g-3 mt-1"><div className="col-md-6"><section className="card h-100"><div className="card-body"><FileSpreadsheet className="mb-3" size={28} /><h2 className="h5">XLSX-Konfiguration</h2><p className="text-secondary">{snapshot ? "Die Linear-Spalten und das Tabellenlayout sind konfiguriert." : "Noch keine XLSX-Konfiguration gespeichert."}</p><span className={`badge ${snapshot ? "text-bg-success" : "text-bg-secondary"}`}>{snapshot ? "Konfiguriert" : "Offen"}</span></div></section></div><div className="col-md-6"><section className="card h-100"><div className="card-body"><h2 className="h5">Importstatus</h2><p className="text-secondary mb-0">Noch kein Linear-XLSX-Import vorhanden. Der Erstimport folgt in R5.</p></div></section></div></div>
+    {open ? <RevitXlsxSettingsModal configuration={snapshot?.configuration ?? createDefaultRevitXlsxConfiguration()} isSaving={saving} onClose={() => setOpen(false)} onInspectSample={async (file, configuration) => { const result = await detectExternalModelWorkbook(projectId, file, configuration); return `Muster erkannt: ${result.sheetName}, ${result.columnCount} Spalten, ${result.objectCount} Objekte.`; }} onSave={save} /> : null}
+  </main>;
+}