schemas: add config fixture, update serializer

* closes cernanalysispreservation#2215

Signed-off-by: Ilias Koutsakis <ilias.koutsakis@cern.ch>

cap/modules/schemas/cli.py

@@ -44,7 +44,7 @@
 from cap.modules.schemas.models import Schema
 from cap.modules.schemas.resolvers import resolve_schema_by_url,\
     resolve_schema_by_name_and_version, schema_name_to_url
-from cap.modules.schemas.utils import is_later_version
+from cap.modules.schemas.utils import is_later_version, validate_schema_config
 
 DEPOSIT_REQUIRED_FIELDS = [
     '_buckets',
@@ -296,6 +296,16 @@ def add_schema_from_json(data, replace=None, force_version=None):
     allow_all = data.pop("allow_all", False)
     version = data['version']
     name = data['name']
+    config = data.get('config')
+
+    if config:
+        errors = validate_schema_config(config)
+        if errors:
+            click.secho(errors, fg='red')
+            click.secho(
+                f'Configuration is invalid. '
+                f'Aborting update for schema {name}.', fg='red')
+            return
 
     try:
         with db.session.begin_nested():

cap/modules/schemas/configs/config.json

@@ -0,0 +1,16 @@
+{
+  "type": "object",
+  "title": "General Configuration",
+  "additionalProperties":false,
+  "properties": {
+    "notifications": {
+      "$ref": "/cap/modules/schemas/configs/configs/notifications.json"
+    },
+    "reviewable": {
+      "$ref": "/cap/modules/schemas/configs/reviewable.json"
+    },
+    "repositories": {
+      "$ref": "/cap/modules/schemas/configs/repositories.json"
+    }
+  }
+}