added previous dir choice

sample_app/management/commands/ingester.py

@@ -1,5 +1,6 @@
 import os
 import sys
+import json
 import glob
 import uuid
 import asyncio
@@ -16,11 +17,31 @@ class Command(BaseCommand):
 
     def handle(self, *args, **options):
         
+        if os.path.exists('config.json'):
+            with open('config.json', 'r') as config_file:
+                config = json.load(config_file)
+                previous_choice = config.get('directory', '')
+        else:
+            previous_choice = ''
+
+
         #fetching the file list
-        directory = input("Please enter the path to the directory containing the csv files (or leave empty if the files are in the same directory as this script): ")
+        directory = input(f"Please enter the path to the directory containing the csv files [{previous_choice}]: ")
+        if not directory:
+            directory = previous_choice
+            
+        with open('config.json', 'w') as config_file:
+            json.dump({'directory': directory}, config_file)
+
+        print(f"Selected directory: {directory}")
+
+        
         csv_files = glob.glob(os.path.join(directory, '*csv*'))
         self.stdout.write(f"Files found: {len(csv_files)}.")
         self.stdout.write("Populating the file database...")
+
+
+
         #initialize the counter
         new_files_count = 0
         #add files as catalogfile instances into the database