task(CAD-9): bill of materials - buildBOM grouping by type+size with counts and total truss meters (corners count both arms), CSV export excel-friendly, dialog with table and download button

frontend/src/components/BOMDialog.tsx

@@ -0,0 +1,92 @@
+/**
+ * Task CAD-9 – Stuecklisten-Dialog fuer Traversen-Systeme.
+ *
+ * Zeigt die gruppierte Stueckliste (Traversen + Eck-Traversen)
+ * als Tabelle mit Summenzeile; CSV-Download als Datei.
+ */
+import React, { useMemo } from 'react';
+import { buildBOM, exportBOMCsv } from '../services/bomService';
+
+interface BOMDialogProps {
+  elements: import('../types/cad.types').CADElement[];
+  onClose: () => void;
+}
+
+const BOMDialog: React.FC<BOMDialogProps> = ({ elements, onClose }) => {
+  const bom = useMemo(() => buildBOM(elements), [elements]);
+
+  const handleDownload = () => {
+    const csv = exportBOMCsv(bom);
+    const blob = new Blob(['\ufeff' + csv], { type: 'text/csv;charset=utf-8' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = `stueckliste-traversen-${new Date().toISOString().slice(0, 10)}.csv`;
+    a.click();
+    URL.revokeObjectURL(url);
+  };
+
+  return (
+    <div className="bom-dialog-overlay" onClick={onClose}>
+      <div className="bom-dialog" onClick={(e) => e.stopPropagation()}>
+        <div className="bom-dialog-header">
+          <h3>Stückliste – Traversen</h3>
+          <button className="bom-close" onClick={onClose} title="Schließen">✕
+          </button>
+        </div>
+        {bom.rows.length === 0 ? (
+          <div className="bom-empty">
+            Keine Traversen oder Eck-Traversen in der Zeichnung gefunden.
+            <br />
+            Platziere zuerst Traversen mit dem Traverse- oder Eck-Traverse-Werkzeug.
+          </div>
+        ) : (
+          <>
+            <table className="bom-table">
+              <thead>
+                <tr>
+                  <th>Pos</th>
+                  <th>Typ</th>
+                  <th>Länge (cm)</th>
+                  <th>Breite (cm)</th>
+                  <th>Anzahl</th>
+                  <th>Gesamt</th>
+                </tr>
+              </thead>
+              <tbody>
+                {bom.rows.map((r) => (
+                  <tr key={`${r.pos}-${r.label}`}>
+                    <td>{r.pos}</td>
+                    <td>{r.type}</td>
+                    <td>{r.length}</td>
+                    <td>{r.width}</td>
+                    <td>{r.count}</td>
+                    <td>{(r.totalCm / 100).toFixed(2)} m</td>
+                  </tr>
+                ))}
+                <tr className="bom-sum-row">
+                  <td colSpan={5}>
+                    <strong>SUMME</strong>
+                  </td>
+                  <td>
+                    <strong>{bom.totalLengthM.toFixed(2)} m</strong>
+                  </td>
+                </tr>
+              </tbody>
+            </table>
+            <div className="bom-dialog-actions">
+              <button className="bom-btn-primary" onClick={handleDownload}>
+                CSV herunterladen
+              </button>
+              <button className="bom-btn-secondary" onClick={onClose}>
+                Schließen
+              </button>
+            </div>
+          </>
+        )}
+      </div>
+    </div>
+  );
+};
+
+export default BOMDialog;

frontend/src/services/bomService.ts

@@ -0,0 +1,112 @@
+/**
+ * Task CAD-9 – Stueckliste (BOM) fuer Traversen-Systeme.
+ *
+ * buildBOM gruppiert Traversen + Eck-Traversen nach Typ + Mass
+ * (Laenge x Breite), zaehlt Stueckzahlen und summiert die
+ * Gesamt-Traversemeter (Boxcorner zaehlt BEIDE Arme).
+ * exportBOMCsv: Semikolon-separierte CSV (Excel-DE-freundlich).
+ */
+import type { CADElement } from '../types/cad.types';
+
+export interface BOMRow {
+  pos: number;
+  type: 'Traverse' | 'Eck-Traverse';
+  /** Laenge in cm (Traverse: length; Eck-Traverse: armLength). */
+  length: number;
+  /** Breite in cm (trussWidth). */
+  width: number;
+  count: number;
+  /** Gesamtlaenge dieser Position in cm (count * length, Ecken * 2). */
+  totalCm: number;
+  /** Bezeichnung, z.B. "Traverse 200 x 29". */
+  label: string;
+}
+
+export interface BOMResult {
+  rows: BOMRow[];
+  /** Gesamte Traversenlaenge in Metern (Ecken zaehlen beide Arme). */
+  totalLengthM: number;
+}
+
+interface GroupKey {
+  type: 'Traverse' | 'Eck-Traverse';
+  length: number;
+  width: number;
+}
+
+/**
+ * Baut die Stueckliste aus allen Zeichnungselementen.
+ * Nur truss- und boxcorner-Elemente fliessen ein; alles andere
+ * wird still ignoriert.
+ */
+export function buildBOM(elements: CADElement[]): BOMResult {
+  const groups = new Map<string, { key: GroupKey; count: number }>();
+
+  for (const el of elements) {
+    if (String(el.type) === 'truss' && el.properties.truss === true) {
+      const length = (el.properties.length as number | undefined) ?? el.width ?? 0;
+      const width = (el.properties.trussWidth as number | undefined) ?? el.height ?? 29;
+      const key: GroupKey = { type: 'Traverse', length, width };
+      const id = `T|${length}|${width}`;
+      const g = groups.get(id) ?? { key, count: 0 };
+      g.count++;
+      groups.set(id, g);
+    } else if (String(el.type) === 'boxcorner' && el.properties.boxcorner === true) {
+      const length = (el.properties.armLength as number | undefined) ?? 50;
+      const width = (el.properties.trussWidth as number | undefined) ?? 29;
+      const key: GroupKey = { type: 'Eck-Traverse', length, width };
+      const id = `C|${length}|${width}`;
+      const g = groups.get(id) ?? { key, count: 0 };
+      g.count++;
+      groups.set(id, g);
+    }
+  }
+
+  // Sortierung: Traversen vor Ecken, innerhalb Typ nach Laenge absteigend
+  const entries = Array.from(groups.values());
+  entries.sort((a, b) => {
+    if (a.key.type !== b.key.type) {
+      return a.key.type === 'Traverse' ? -1 : 1;
+    }
+    return b.key.length - a.key.length;
+  });
+
+  const rows: BOMRow[] = entries.map((g, i) => {
+    // Ecken haben 2 Arme: Gesamtlaenge = count * length * 2
+    const armFactor = g.key.type === 'Eck-Traverse' ? 2 : 1;
+    const totalCm = g.count * g.key.length * armFactor;
+    return {
+      pos: i + 1,
+      type: g.key.type,
+      length: g.key.length,
+      width: g.key.width,
+      count: g.count,
+      totalCm,
+      label: `${g.key.type} ${g.key.length} \u00d7 ${g.key.width}`,
+    };
+  });
+
+  const totalCmAll = rows.reduce((s, r) => s + r.totalCm, 0);
+  return {
+    rows,
+    totalLengthM: totalCmAll / 100,
+  };
+}
+
+/**
+ * Exportiert die Stueckliste als Semikolon-CSV (Excel-DE oeffnet
+ * das direkt mehrspaltig). Spalten: Pos;Typ;Laenge_cm;Breite_cm;
+ * Anzahl;Gesamt_cm;Bezeichnung + Summenzeile am Ende.
+ */
+export function exportBOMCsv(bom: BOMResult): string {
+  const lines: string[] = ['Pos;Typ;Laenge_cm;Breite_cm;Anzahl;Gesamt_cm;Bezeichnung'];
+  for (const r of bom.rows) {
+    lines.push(
+      `${r.pos};${r.type};${r.length};${r.width};${r.count};${r.totalCm};${r.label}`,
+    );
+  }
+  if (bom.rows.length > 0) {
+  lines.push(`;;;SUMME;;;${bom.totalLengthM.toFixed(2)} m`);
+  }
+  return lines.join('\n');
+}

frontend/src/styles.css

@@ -2974,3 +2974,106 @@ body.drawer-open { overflow: hidden; }
   border-radius: 4px;
 }
 .layout-bar-print:hover { color: #4a90d9; background: rgba(74, 144, 217, 0.15); }
+
+/* ─── Task CAD-9 – BOM-Dialog ─── */
+.bom-dialog-overlay {
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.5);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+}
+.bom-dialog {
+  background: #1e1e2e;
+  border: 1px solid rgba(255, 255, 255, 0.12);
+  border-radius: 10px;
+  padding: 20px;
+  min-width: 640px;
+  max-width: 800px;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
+}
+.bom-dialog-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 16px;
+}
+.bom-dialog-header h3 {
+  margin: 0;
+  font-size: 16px;
+  color: #e0e0e0;
+}
+.bom-close {
+  background: transparent;
+  border: none;
+  color: #888;
+  font-size: 18px;
+  cursor: pointer;
+  padding: 4px 8px;
+  border-radius: 4px;
+}
+.bom-close:hover {
+  color: #fff;
+  background: rgba(255, 255, 255, 0.1);
+}
+.bom-empty {
+  color: #888;
+  padding: 30px;
+  text-align: center;
+  line-height: 1.6;
+}
+.bom-table {
+  width: 100%;
+  border-collapse: collapse;
+  margin-bottom: 16px;
+}
+.bom-table th,
+.bom-table td {
+  padding: 8px 12px;
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  text-align: left;
+  font-size: 13px;
+}
+.bom-table th {
+  background: rgba(255, 255, 255, 0.04);
+  color: #9aa0a6;
+  font-weight: 600;
+}
+.bom-table td {
+  color: #d0d0d0;
+}
+.bom-sum-row td {
+  background: rgba(74, 144, 217, 0.1);
+}
+.bom-dialog-actions {
+  display: flex;
+  gap: 10px;
+  justify-content: flex-end;
+}
+.bom-btn-primary {
+  background: #4a90d9;
+  color: #fff;
+  border: none;
+  border-radius: 6px;
+  padding: 8px 16px;
+  cursor: pointer;
+  font-size: 13px;
+}
+.bom-btn-primary:hover {
+  background: #5ba0e9;
+}
+.bom-btn-secondary {
+  background: transparent;
+  color: #9aa0a6;
+  border: 1px solid rgba(255, 255, 255, 0.15);
+  border-radius: 6px;
+  padding: 8px 16px;
+  cursor: pointer;
+  font-size: 13px;
+}
+.bom-btn-secondary:hover {
+  color: #fff;
+  border-color: rgba(255, 255, 255, 0.3);
+}

frontend/tests/bomExport.test.ts

@@ -0,0 +1,162 @@
+/**
+ * Task CAD-9 - Stueckliste (BOM) fuer Traversen.
+ *
+ * buildBOM: gruppiert Traversen + Boxcorner nach Typ + Mass
+ * (Laenge x Breite), zaehlt Stueckzahlen, summiert Gesamt-meter.
+ * exportBOMCsv: saubere CSV mit Kopfzeile fuer Excel-Import.
+ * Dialog zeigt Tabelle + CSV-Download.
+ */
+import { describe, it, expect } from 'vitest';
+import { buildBOM, exportBOMCsv, type BOMRow } from '../src/services/bomService';
+import type { CADElement } from '../src/types/cad.types';
+
+function truss(id: string, x: number, y: number, length: number, rotation: number, width = 29): CADElement {
+  return {
+    id, type: 'truss', layerId: 'l', x, y, width: length, height: width,
+    properties: { length, rotation, trussWidth: width, truss: true },
+  } as unknown as CADElement;
+}
+
+function corner(id: string, x: number, y: number, armLength: number, rotation: number, width = 29): CADElement {
+  return {
+    id, type: 'boxcorner', layerId: 'l', x, y, width: 80, height: 80,
+    properties: { armLength, rotation, trussWidth: width, boxcorner: true },
+  } as unknown as CADElement;
+}
+
+function chair(id: string): CADElement {
+  return {
+    id, type: 'chair', layerId: 'l', x: 0, y: 0, width: 45, height: 45,
+    properties: {},
+  } as unknown as CADElement;
+}
+
+// ─── buildBOM: Gruppierung ──────────────────────────────────
+
+describe('CAD-9: buildBOM (Gruppierung + Zaehlung)', () => {
+  it('zwei identische Traversen (200x29) ergeben EINE Position mit Anzahl 2', () => {
+    const els = [
+      truss('t1', 0, 0, 200, 0),
+      truss('t2', 100, 100, 200, 90),
+    ];
+    const bom = buildBOM(els);
+    const rows = bom.rows.filter((r) => r.type === 'Traverse');
+    expect(rows).toHaveLength(1);
+    expect(rows[0].count).toBe(2);
+  });
+
+  it('unterschiedliche Laengen ergetrennte Positionen', () => {
+    const els = [
+      truss('t1', 0, 0, 200, 0),
+      truss('t2', 0, 0, 100, 0),
+      truss('t3', 0, 0, 300, 0),
+    ];
+    const bom = buildBOM(els);
+    const trussRows = bom.rows.filter((r) => r.type === 'Traverse');
+    expect(trussRows).toHaveLength(3);
+    const counts = trussRows.map((r) => r.count);
+    expect(counts).toEqual([1, 1, 1]);
+  });
+
+  it('unterschiedliche Breiten = getrennte Positionen (100x29 vs 100x40)', () => {
+    const els = [
+      truss('t1', 0, 0, 100, 0, 29),
+      truss('t2', 0, 0, 100, 0, 40),
+    ];
+    const bom = buildBOM(els);
+    expect(bom.rows.filter((r) => r.type === 'Traverse')).toHaveLength(2);
+  });
+
+  it('Boxcorner als eigener Typ mit armLength als Laenge', () => {
+    const els = [
+      corner('c1', 0, 0, 50, 0),
+      corner('c2', 100, 100, 50, 90),
+      corner('c3', 200, 200, 75, 0),
+    ];
+    const bom = buildBOM(els);
+    const cornerRows = bom.rows.filter((r) => r.type === 'Eck-Traverse');
+    expect(cornerRows).toHaveLength(2); // 50cm x2 + 75cm x1
+    const r50 = cornerRows.find((r) => r.length === 50)!;
+    expect(r50.count).toBe(2);
+  });
+
+  it('Nicht-Traversen (chair etc.) werden ignoriert', () => {
+    const els = [chair('s1'), truss('t1', 0, 0, 200, 0)];
+    const bom = buildBOM(els);
+    expect(bom.rows.every((r) => r.type !== 'chair')).toBe(true);
+  });
+
+  it('leere Zeichnung: leere Stueckliste ohne Crash', () => {
+    const bom = buildBOM([]);
+    expect(bom.rows).toHaveLength(0);
+    expect(bom.totalLengthM).toBe(0);
+  });
+
+  it('Gesamtlaenge: 200+100+300cm Traversen + 2x50cm Ecken = 7.00m', () => {
+    const els = [
+      truss('t1', 0, 0, 200, 0),
+      truss('t2', 0, 0, 100, 0),
+      truss('t3', 0, 0, 300, 0),
+      corner('c1', 0, 0, 50, 0),
+      corner('c2', 0, 0, 50, 90),
+    ];
+    const bom = buildBOM(els);
+    // Traversen 6.00m + 2 Ecken je 2 Arme = 8.00m
+    expect(bom.totalLengthM).toBeCloseTo(8.0, 2);
+  });
+
+  it('Boxcorner zaehlt BEIDE Arme in die Gesamtlaenge (50er-Ecke = 1.00m)', () => {
+    const els = [corner('c1', 0, 0, 50, 0)];
+    const bom = buildBOM(els);
+    expect(bom.totalLengthM).toBeCloseTo(1.0, 2);
+  });
+
+  it('Positionen sind sortiert: Traversen vor Ecken, dann nach Laenge absteigend', () => {
+    const els = [
+      corner('c1', 0, 0, 50, 0),
+      truss('t1', 0, 0, 100, 0),
+      truss('t2', 0, 0, 300, 0),
+    ];
+    const bom = buildBOM(els);
+    const types = bom.rows.map((r) => r.type);
+    // Traversen zuerst (nach Laenge absteigend), dann Ecken
+    expect(types.indexOf('Traverse')).toBeLessThan(types.indexOf('Eck-Traverse'));
+    const trussLens = bom.rows.filter((r) => r.type === 'Traverse').map((r) => r.length);
+    expect(trussLens[0]).toBeGreaterThanOrEqual(trussLens[trussLens.length - 1]);
+  });
+});
+
+// ─── exportBOMCsv ─────────────────────────────────────────
+
+describe('CAD-9: exportBOMCsv', () => {
+  it('CSV hat Kopfzeile und Zeilen pro Position mit Semikolon/ Komma', () => {
+    const els = [truss('t1', 0, 0, 200, 0), truss('t2', 0, 0, 200, 90)];
+    const bom = buildBOM(els);
+    const csv = exportBOMCsv(bom);
+    const lines = csv.split('\n');
+    expect(lines[0]).toContain('Pos');
+    expect(lines[0]).toContain('Typ');
+    expect(lines[0]).toContain('Anzahl');
+    expect(lines).toHaveLength(2 + 1); // Header + 1 Position + ggf. Summenzeile
+  });
+
+  it('CSV enthaelt Laenge und Anzahl der Position', () => {
+    const els = [truss('t1', 0, 0, 200, 0), truss('t2', 0, 0, 200, 0)];
+    const csv = exportBOMCsv(buildBOM(els));
+    expect(csv).toContain('200');
+    expect(csv).toContain('2');
+  });
+
+  it('CSV: Semikolon-Separatoren (Excel-DE-freundlich) oder Komma + konsistent', () => {
+    const csv = exportBOMCsv(buildBOM([truss('t1', 0, 0, 200, 0)]));
+    // Konsistenz: Jede Datenzeile hat dieselbe Anzahl Separatoren
+    const lines = csv.trim().split('\n');
+    const sepCounts = lines.map((l) => (l.match(/;/g) || []).length);
+    expect(new Set(sepCounts).size).toBe(1);
+  });
+
+  it('leere Stueckliste: nur Kopfzeile', () => {
+    const csv = exportBOMCsv(buildBOM([]));
+    expect(csv.trim().split('\n')).toHaveLength(1);
+  });
+});