fixed stuck in memory function. implemented random memory

bot/commands/memory.py

@@ -30,7 +30,6 @@ class MemoryHandler(BaseHandler):
 
         search_string = " ".join(context.args)
 
-
         if search_string == '~photo':
             matching_models = self.models.JournalEntry.select().where(self.models.JournalEntry.media_path != "").order_by(self.models.JournalEntry.date)
         else: # searching for text
@@ -40,7 +39,12 @@ class MemoryHandler(BaseHandler):
                 )
             ).order_by(self.models.JournalEntry.date)
 
-        
+
+        # exit if no memory matches the string
+        if len(matching_models) == 0:
+            await update.message.reply_text(f"There is no matching memory yet.")
+            return ConversationHandler.END
+
         options = [[InlineKeyboardButton(m.date_pretty, callback_data=i)] for i,m in enumerate(matching_models)]
 
         keyboard = InlineKeyboardMarkup(options)