[SIS-9] adding migration scripts for custom commands and economy

tools/custom-command-migration/legacy_loader.py

@@ -0,0 +1,24 @@
+import json
+
+from dto import LegacyCommand
+
+
+def load_all_commands():
+    with open('settings.json') as warnings:
+        lines = warnings.read()
+        command_obj = json.loads(lines)
+        custom_commands = command_obj['414589031223512']['GUILD']['297910194841583616']['commands']
+        all_command_dtos = []
+        for command in custom_commands:
+            custom_command = custom_commands[command]
+            if custom_command is not None and 'response' in custom_command:
+                if len(custom_command['response']) > 2048 or isinstance(custom_command['response'], list):
+                    continue
+                command_dto = LegacyCommand()
+                command_dto.command = command
+                command_dto.author_id = custom_command['author']['id']
+                command_dto.response = custom_command['response']
+                all_command_dtos.append(command_dto)
+        print(f'loaded {len(all_command_dtos)} commands.')
+    return all_command_dtos
+