3D-Dateien im Archiv bearbeitbar - hinzufügen und löschen

frontend/src/tools/kalkulator3d.jsx

@@ -140,11 +140,27 @@ export default function Kalkulator3D({ toast, editData, onEditDone, mobile, setA
   const [bemerkung, setBemerkung] = useState(editData?.bemerkung ?? '');
   const [image,     setImage]     = useState(editData?.image     ?? null);
   const [saving,    setSaving]    = useState(false);
-  const [modelFiles, setModelFiles] = useState([]); // Array von File-Objekten
+  const [modelFiles,    setModelFiles]    = useState([]); // neue Dateien zum Hochladen
+  const [existingFiles, setExistingFiles] = useState([]); // bereits gespeicherte Dateien
+  const [modelFolderId, setModelFolderId] = useState(null);
   const fileRef      = useRef(null);
   const modelFileRef = useRef(null);
   const sv = (k, v) => setVars(p => ({ ...p, [k]: v }));
 
+  // Im Bearbeitungsmodus: existierende Dateien laden
+  useEffect(() => {
+    if (!editData?.id || !editData?.name) return;
+    (async () => {
+      try {
+        const base = await api('/tools/dateien/ensure-folder', { body: { name: '3D-Modelle' } });
+        const sub  = await api('/tools/dateien/ensure-folder', { body: { name: editData.name.trim(), parent_id: base.id } });
+        setModelFolderId(sub.id);
+        const data = await api(`/tools/dateien?folder_id=${sub.id}`);
+        setExistingFiles(data.own || []);
+      } catch {}
+    })();
+  }, [editData?.id]);
+
   const calc = useMemo(() => {
     const f   = getFarbFaktor(farben);
     const matProGramm = vars.materialpreis_pro_rolle / 1000;
@@ -184,6 +200,21 @@ export default function Kalkulator3D({ toast, editData, onEditDone, mobile, setA
 
       if (editData?.id) {
         await api(`/tools/kalkulator3d/${editData.id}`, { method:'PUT', body:payload });
+        // Neue Dateien hochladen falls vorhanden
+        if (modelFiles.length > 0 && modelFolderId) {
+          const form = new FormData();
+          form.append('folder_id', modelFolderId);
+          for (const f of modelFiles) form.append('files', f);
+          await fetch('/api/tools/dateien/upload-3d', {
+            method:'POST',
+            headers:{ Authorization:`Bearer ${localStorage.getItem('sk_token')}` },
+            body: form,
+          });
+          setModelFiles([]);
+          // Dateien neu laden
+          const data = await api(`/tools/dateien?folder_id=${modelFolderId}`);
+          setExistingFiles(data.own || []);
+        }
         toast('Aktualisiert ✓'); onEditDone?.();
       } else {
         await api('/tools/kalkulator3d', { body:payload });
@@ -368,7 +399,7 @@ export default function Kalkulator3D({ toast, editData, onEditDone, mobile, setA
           )}
         </div>
 
-        {/* 3D-Modelldateien – nur beim Neuanlegen */}
+        {/* 3D-Modelldateien – beim Neuanlegen */}
         {!editData?.id && (
           <div style={{ marginBottom:14 }}>
             <label style={{ ...S.head, display:'block', marginBottom:6 }}>
@@ -412,6 +443,77 @@ export default function Kalkulator3D({ toast, editData, onEditDone, mobile, setA
           </div>
         )}
 
+        {/* 3D-Modelldateien – beim Bearbeiten */}
+        {editData?.id && (
+          <div style={{ marginBottom:14 }}>
+            <label style={{ ...S.head, display:'block', marginBottom:6 }}>
+              3D-DATEIEN – 3D-Modelle/{editData.name}
+            </label>
+            <input ref={modelFileRef} type="file" multiple
+              accept={MODEL_EXTENSIONS.join(',')}
+              onChange={e => setModelFiles(Array.from(e.target.files||[]))}
+              style={{ display:'none' }} />
+
+            {/* Existierende Dateien */}
+            {existingFiles.length > 0 && (
+              <div style={{ background:'rgba(255,255,255,0.03)', border:'1px solid rgba(255,255,255,0.08)',
+                borderRadius:8, padding:10, marginBottom:8 }}>
+                {existingFiles.map((f,i) => (
+                  <div key={f.id} style={{ display:'flex', alignItems:'center', gap:8,
+                    padding:'5px 0', borderBottom: i<existingFiles.length-1 ? '1px solid rgba(255,255,255,0.05)' : 'none' }}>
+                    <span style={{ fontSize:16, flexShrink:0 }}>🖨</span>
+                    <span style={{ color:'rgba(255,255,255,0.7)', fontFamily:'monospace', fontSize:11,
+                      flex:1, overflow:'hidden', textOverflow:'ellipsis', whiteSpace:'nowrap' }}>
+                      {f.originalname}
+                    </span>
+                    <span style={{ color:'rgba(255,255,255,0.25)', fontFamily:'monospace', fontSize:9, flexShrink:0 }}>
+                      {(f.size/1024/1024).toFixed(1)} MB
+                    </span>
+                    <button onClick={async () => {
+                      try {
+                        await api(`/tools/dateien/${f.id}`, { method:'DELETE' });
+                        setExistingFiles(p => p.filter(x => x.id !== f.id));
+                      } catch(e) { toast(e.message, 'error'); }
+                    }} style={{ background:'transparent', border:'none', cursor:'pointer',
+                      color:'rgba(255,107,157,0.5)', fontSize:14, padding:'0 2px', flexShrink:0, lineHeight:1 }}>✕</button>
+                  </div>
+                ))}
+              </div>
+            )}
+
+            {/* Neue Dateien zum Hochladen */}
+            {modelFiles.length > 0 && (
+              <div style={{ background:'rgba(78,205,196,0.04)', border:'1px solid rgba(78,205,196,0.15)',
+                borderRadius:8, padding:10, marginBottom:8 }}>
+                <div style={{ ...S.head, marginBottom:6 }}>NEU HINZUFÜGEN</div>
+                {modelFiles.map((f,i) => (
+                  <div key={i} style={{ display:'flex', justifyContent:'space-between',
+                    padding:'3px 0', borderBottom: i<modelFiles.length-1 ? '1px solid rgba(255,255,255,0.05)' : 'none' }}>
+                    <span style={{ color:'rgba(255,255,255,0.6)', fontFamily:'monospace', fontSize:11,
+                      overflow:'hidden', textOverflow:'ellipsis', whiteSpace:'nowrap', maxWidth:'80%' }}>
+                      {f.name}
+                    </span>
+                    <span style={{ color:'rgba(255,255,255,0.3)', fontFamily:'monospace', fontSize:9, flexShrink:0 }}>
+                      {(f.size/1024/1024).toFixed(1)} MB
+                    </span>
+                  </div>
+                ))}
+              </div>
+            )}
+
+            <div style={{ display:'flex', gap:6 }}>
+              <button onClick={() => modelFileRef.current?.click()}
+                style={{ ...S.btn('#4ecdc4', true), flex:1, textAlign:'center', fontSize:11, padding:'9px 0' }}>
+                + Dateien hinzufügen
+              </button>
+              {modelFiles.length > 0 && (
+                <button onClick={() => setModelFiles([])}
+                  style={{ ...S.btn('#ff6b9d', true), fontSize:11 }}>✕ Abbrechen</button>
+              )}
+            </div>
+          </div>
+        )}
+
         <button onClick={save} disabled={saving} style={{
           width:'100%', background:'linear-gradient(135deg,#4ecdc4,#45b7d1)', border:'none',
           borderRadius:8, padding:'12px 0', color:'#0d0d0f',