Implement notification serializer and validations

awx/api/metadata.py

@@ -12,7 +12,7 @@ from rest_framework import serializers
 from rest_framework.request import clone_request
 
 # Ansible Tower
-from awx.main.models import InventorySource
+from awx.main.models import InventorySource, NotificationTemplate
 
 
 class Metadata(metadata.SimpleMetadata):
@@ -55,6 +55,12 @@ class Metadata(metadata.SimpleMetadata):
                 get_group_by_choices = getattr(InventorySource, 'get_%s_group_by_choices' % cp)
                 field_info['%s_group_by_choices' % cp] = get_group_by_choices()
 
+        # Special handling of notification configuration where the required properties
+        # are conditional on the type selected.
+        if field.field_name == 'notification_configuration':
+            for (notification_type_name, notification_tr_name, notification_type_class) in NotificationTemplate.NOTIFICATION_TYPES:
+                field_info[notification_type_name] = notification_type_class.init_parameters
+
         # Update type of fields returned...
         if field.field_name == 'type':
             field_info['type'] = 'multiple choice'

awx/api/serializers.py

@@ -2035,6 +2035,21 @@ class JobLaunchSerializer(BaseSerializer):
         attrs = super(JobLaunchSerializer, self).validate(attrs)
         return attrs
 
+class NotificationTemplateSerializer(BaseSerializer):
+
+    class Meta:
+        model = NotificationTemplate
+        fields = ('*', 'notification_type', 'notification_configuration')
+
+    def validate(self, attrs):
+        notification_class = NotificationTemplate.CLASS_FOR_NOTIFICATION_TYPE[attrs['notification_type']]
+        missing_fields = []
+        for field in notification_class.init_parameters:
+            if field not in attrs['notification_configuration']:
+                missing_fields.append(field)
+        if missing_fields:
+            raise serializers.ValidationError("Missing required fields for Notification Configuration: {}".format(missing_fields))
+        return attrs
 
 class ScheduleSerializer(BaseSerializer):