metadata fixes, redux start. Lifecycle fixes for regions, etc

audio-service/src/routes/recording.py

@@ -1,6 +1,7 @@
 
 from flask import Blueprint, request, jsonify
 from audio_recorder import AudioRecorder
+import os
 
 recording_bp = Blueprint('recording', __name__)
 
@@ -31,4 +32,13 @@ def recording_status():
     recorder = AudioRecorder()
     print('HTTP: Checking recording status')
     status = 'recording' if recorder.is_recording() else 'stopped'
-    return jsonify({'status': status})
+    return jsonify({'status': status})
+
+@recording_bp.route('/record/delete', methods=['POST'])
+def recording_delete():
+    filename = request.json.get('filename')
+    try:
+        os.remove(filename)
+        return jsonify({'status': 'success'})
+    except Exception as e:        
+        return jsonify({'status': 'error', 'message': str(e)}), 400