auth: create group: Fix group creation.

* gn3/auth/authorisation/checks.py: Enable passing user to authorisation
  checking function. Raise error on authorisation failure for consistent error
  handling.
* gn3/auth/authorisation/groups.py: Add user to group, updating the privileges
  as appropriate.
* gn3/auth/authorisation/resources.py: Fix resources querying
* gn3/auth/authorisation/roles.py: Assign/revoke roles by name
* gn3/auth/authorisation/views.py: Create group
* migrations/auth/20221108_01_CoxYh-create-the-groups-table.py: Add
  group_metadata field
* tests/unit/auth/fixtures/group_fixtures.py: fix tests
* tests/unit/auth/test_groups.py: fix tests
* tests/unit/auth/test_resources.py: fix tests
* tests/unit/auth/test_roles.py: fix tests

1 files changed, 2 insertions, 1 deletions

diff --git a/migrations/auth/20221108_01_CoxYh-create-the-groups-table.py b/migrations/auth/20221108_01_CoxYh-create-the-groups-table.py
index 06491dd..29f92d4 100644
--- a/migrations/auth/20221108_01_CoxYh-create-the-groups-table.py
+++ b/migrations/auth/20221108_01_CoxYh-create-the-groups-table.py
@@ -11,7 +11,8 @@ steps = [
         """
         CREATE TABLE IF NOT EXISTS groups(
             group_id TEXT PRIMARY KEY NOT NULL,
-            group_name TEXT NOT NULL
+            group_name TEXT NOT NULL,
+            group_metadata TEXT
         ) WITHOUT ROWID
         """,
         "DROP TABLE IF EXISTS groups")