AEB-71: Added 3D navigation in monitoring zones

frontend/app/api/big-models/[...path]/route.ts

@@ -17,11 +17,21 @@ export async function GET(
 
   const stat = fs.statSync(filePath);
   const stream = fs.createReadStream(filePath);
+ 
+  const ext = path.extname(fileName).toLowerCase();
+  let contentType = 'application/octet-stream';
+  if (ext === '.glb') contentType = 'model/gltf-binary';
+  else if (ext === '.gltf') contentType = 'model/gltf+json';
+  else if (ext === '.bin') contentType = 'application/octet-stream';
+  else if (ext === '.png') contentType = 'image/png';
+  else if (ext === '.jpg' || ext === '.jpeg') contentType = 'image/jpeg';
+  else if (ext === '.webp') contentType = 'image/webp';
+  else if (ext === '.ktx2') contentType = 'image/ktx2';
 
   return new Response(stream as unknown as ReadableStream, {
     headers: {
       'Content-Length': stat.size.toString(),
-      'Content-Type': 'model/gltf-binary',
+      'Content-Type': contentType,
     },
   });
 }

frontend/app/api/big-models/list/route.ts

@@ -0,0 +1,47 @@
+export const dynamic = 'force-static';
+
+import fs from 'fs';
+import path from 'path';
+
+export async function GET() {
+  try {
+    const dirPath = path.join(process.cwd(), 'assets', 'big-models');
+    if (!fs.existsSync(dirPath)) {
+      return new Response(JSON.stringify({ models: [] }), {
+        status: 200,
+        headers: { 'Content-Type': 'application/json' },
+      });
+    }
+
+    const files = fs.readdirSync(dirPath, { withFileTypes: true });
+    const models = files
+      .filter((ent) => ent.isFile() && (ent.name.toLowerCase().endsWith('.glb') || ent.name.toLowerCase().endsWith('.gltf')))
+      .map((ent) => {
+        const filename = ent.name;
+        const base = filename.replace(/\.(glb|gltf)$/i, '');
+        let title = base; 
+        title = title.replace(/^AerBIM-Monitor_ASM-HT-Viewer_/i, '');
+        title = title.replace(/_/g, ' '); 
+        title = title.replace(/\bLevel\b/gi, 'Уровень');
+        title = title.replace(/\bcustom\s*prop\b/gi, '');
+        title = title.replace(/\bcustom\b/gi, '');
+        title = title.replace(/\bprop\b/gi, ''); 
+        title = title.replace(/\s{2,}/g, ' ').trim();
+
+        const pathUrl = `/static-models/${filename}`;
+        return { name: title, path: pathUrl };
+      });
+
+    return new Response(JSON.stringify({ models }), {
+      status: 200,
+      headers: { 'Content-Type': 'application/json' },
+    });
+  } catch (error) {
+    console.error('[big-models/list] Error listing models:', error);
+    const msg = error instanceof Error ? error.message : String(error);
+    return new Response(JSON.stringify({ error: msg, models: [] }), {
+      status: 500,
+      headers: { 'Content-Type': 'application/json' },
+    });
+  }
+}