role_id and topic relations fixes

migration/README.md

@@ -0,0 +1,41 @@
+# discours-migration
+
+First, put the `data` into this folder.
+
+## Install
+
+```sh
+pipenv install -r requirements.txt
+```
+
+## Using
+
+Put the unpacked mongodump to the `data` folder and operate with `pipenv shell && python`
+
+
+1. get old data jsons 
+
+```py
+import bson2json
+
+bson2json.json_tables() # creates all the needed data json from bson mongodump
+```
+
+2. migrate users
+
+```py
+import json
+from migrations.users import migrate
+
+data = json.loads(open('data/users.json').read())
+newdata = {}
+
+for u in data:
+    try:
+        newdata[u['_id']] = migrate(u)
+    except:
+        print('FAIL!')
+        print(u)
+
+
+```