Update app.py

app.py

@@ -88,32 +88,50 @@ def text_preview():
         return redirect(url_for('index'))
 
 # API for uploading Resume files
-@app.route('/upload',methods=['GET', 'POST'])
+@app.route('/upload', methods=['GET', 'POST'])
 def upload_file():
     try:
-        if 'file' not in request.files:
-            flash('No file part', 'error')
-            return redirect(request.url)
-
-        file = request.files['file']
-        if file.filename == '':
-            flash('No selected file', 'error')
-            return redirect(request.url)
-
-        if file and allowed_file(file.filename):
-            filename = secure_filename(file.filename)
-            file_path = os.path.join(app.config['UPLOAD_FOLDER'], filename)
-            file.save(file_path)
+        # Check if the request is a POST method, meaning a file is being uploaded
+        if request.method == 'POST':
+            # Check if the 'file' part is in the request (no file selected case)
+            if 'file' not in request.files:
+                # Flash an error message and render the same page without redirecting (prevents redirect loop)
+                flash('No file part', 'error')
+                return render_template('upload.html')  # Render the upload page directly
+
+            file = request.files['file']
+            # Check if a file was selected by the user
+            if file.filename == '':
+                # Flash an error message and render the same page without redirecting (prevents redirect loop)
+                flash('No selected file', 'error')
+                return render_template('upload.html')  # Render the upload page directly
+
+            # Check if the uploaded file has an allowed extension
+            if file and allowed_file(file.filename):
+                filename = secure_filename(file.filename)
+                file_path = os.path.join(app.config['UPLOAD_FOLDER'], filename)
+                file.save(file_path)
+
+                # Handle non-JSON files and process accordingly
+                if not filename.lower().endswith('.json'):
+                    return process_other_files(file_path, filename)  # Return after processing non-JSON files
+                else:
+                    # Flash success message for JSON files and render the upload page
+                    flash('JSON file uploaded successfully', 'success')
+                    return render_template('upload.html')  # Return the same page with success
+
+            # Flash an error if the file type is not allowed
+            flash('File type not allowed', 'error')
+            return render_template('upload.html')  # Return the same page with the error message
 
-            # Handle text extraction for non-JSON files
-            if not filename.lower().endswith('.json'):
-                return process_other_files(file_path, filename)
+        # Render the upload page for GET requests (when the page is loaded initially)
+        return render_template('upload.html')
 
-        flash('File type not allowed', 'error')
     except Exception as e:
+        # Handle any exceptions that occur, flash the error message, and render the same page
         flash(f"Error: {str(e)}", 'error')
-    
-    return redirect(request.url)
+        return render_template('upload.html')  # Return the same page with the error
+
 
 # Process non-JSON files, extract text and save to 'resume_text.txt'
 def process_other_files(file_path, filename):