Pierwszy wrzut promptstory

utils/fileUtils.ts

@@ -0,0 +1,43 @@
+import { UploadedFile } from '../types';
+
+export const processFile = async (file: File): Promise<UploadedFile> => {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+
+    reader.onload = (e) => {
+      const result = e.target?.result as string;
+      
+      // Determine simplified MIME type for Gemini
+      let mimeType = file.type;
+      
+      // Handle GPX explicitly as text if the browser doesn't detect it perfectly
+      if (file.name.toLowerCase().endsWith('.gpx')) {
+        mimeType = 'text/plain'; // Treat GPX as text for the prompt
+      } else if (file.name.toLowerCase().endsWith('.pdf')) {
+        mimeType = 'application/pdf';
+      }
+
+      // Extract base64 data if it's an image or PDF
+      let content = result;
+      if (result.includes('base64,')) {
+         content = result.split('base64,')[1];
+      }
+
+      resolve({
+        id: crypto.randomUUID(),
+        file,
+        previewUrl: file.type.startsWith('image/') ? URL.createObjectURL(file) : undefined,
+        content: content,
+        mimeType: mimeType
+      });
+    };
+
+    reader.onerror = () => reject(new Error('Error reading file'));
+
+    if (file.name.toLowerCase().endsWith('.gpx')) {
+        reader.readAsText(file); // Read GPX as text
+    } else {
+        reader.readAsDataURL(file); // Read Images/PDFs as Base64
+    }
+  });
+};