Add API endpoints for Owner model

- Will be necessary for PurchaseOrder, SalesOrder and BuildOrder forms

InvenTree/InvenTree/urls.py

@@ -48,7 +48,7 @@ from common.views import SettingEdit
 from .api import InfoView, NotFoundView
 from .api import ActionPluginView
 
-from users.urls import user_urls
+from users.api import user_urls
 
 admin.site.site_header = "InvenTree Admin"
 

InvenTree/order/serializers.py

@@ -82,6 +82,7 @@ class POSerializer(InvenTreeModelSerializer):
             'link',
             'overdue',
             'reference',
+            'responsible',
             'supplier',
             'supplier_detail',
             'supplier_reference',

InvenTree/templates/js/order.js

@@ -266,6 +266,11 @@ function loadSalesOrderTable(table, options) {
                 field: 'customer_detail',
                 title: '{% trans "Customer" %}',
                 formatter: function(value, row, index, field) {
+
+                    if (!row.customer_detail) {
+                        return '{% trans "Invalid Customer" %}';
+                    }
+
                     return imageHoverIcon(row.customer_detail.image) + renderLink(row.customer_detail.name, `/company/${row.customer}/sales-orders/`);
                 }
             },

InvenTree/users/api.py

@@ -1,17 +1,39 @@
 # -*- coding: utf-8 -*-
+
 from __future__ import unicode_literals
 
-from rest_framework import generics, permissions
 from django.contrib.auth.models import User
 from django.core.exceptions import ObjectDoesNotExist
-from .serializers import UserSerializer
 
+from django.conf.urls import url, include
+
+from rest_framework import generics, permissions
 from rest_framework.views import APIView
 from rest_framework.authtoken.models import Token
 from rest_framework.response import Response
 from rest_framework import status
 
-from .models import RuleSet, check_user_role
+from .serializers import UserSerializer, OwnerSerializer
+
+from .models import RuleSet, Owner, check_user_role
+
+
+class OwnerList(generics.ListAPIView):
+    """
+    List API endpoint for Owner model. Cannot create.
+    """
+
+    queryset = Owner.objects.all()
+    serializer_class = OwnerSerializer
+
+
+class OwnerDetail(generics.RetrieveAPIView):
+    """
+    Detail API endpoint for Owner model. Cannot edit or delete
+    """
+
+    queryset = Owner.objects.all()
+    serializer_class = OwnerSerializer
 
 
 class RoleDetails(APIView):
@@ -110,3 +132,18 @@ class GetAuthToken(APIView):
         except (AttributeError, ObjectDoesNotExist):
             return Response({"error": "Bad request"},
                             status=status.HTTP_400_BAD_REQUEST)
+
+
+user_urls = [
+
+    url(r'roles/?$', RoleDetails.as_view(), name='api-user-roles'),
+    url(r'token/?$', GetAuthToken.as_view(), name='api-token'),
+
+    url(r'^owner/', include([
+        url(r'^(?P<pk>[0-9]+)/$', OwnerDetail.as_view(), name='api-owner-detail'),
+        url(r'^.*$', OwnerList.as_view(), name='api-owner-list'),
+    ])),
+
+    url(r'^(?P<pk>[0-9]+)/?$', UserDetail.as_view(), name='user-detail'),
+    url(r'^$', UserList.as_view()),
+]

InvenTree/users/models.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 
+from django.urls import reverse
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group, Permission
 from django.contrib.contenttypes.fields import GenericForeignKey
@@ -460,6 +461,10 @@ class Owner(models.Model):
     owner: Returns the Group or User instance combining the owner_type and owner_id fields
     """
 
+    @staticmethod
+    def get_api_url():
+        return reverse('api-owner-list')
+
     class Meta:
         # Ensure all owners are unique
         constraints = [
@@ -477,6 +482,18 @@ class Owner(models.Model):
         """ Defines the owner string representation """
         return f'{self.owner} ({self.owner_type.name})'
 
+    def name(self):
+        """
+        Return the 'name' of this owner
+        """
+        return str(self.owner)
+
+    def label(self):
+        """
+        Return the 'type' label of this owner i.e. 'user' or 'group'
+        """
+        return str(self.owner_type.name)
+
     @classmethod
     def create(cls, obj):
         """ Check if owner exist then create new owner entry """

InvenTree/users/serializers.py

@@ -1,8 +1,14 @@
+# -*- coding: utf-8 -*-
+
 from rest_framework import serializers
 from django.contrib.auth.models import User
 
+from .models import Owner
 
-class UserSerializer(serializers.HyperlinkedModelSerializer):
+from InvenTree.serializers import InvenTreeModelSerializer
+
+
+class UserSerializer(InvenTreeModelSerializer):
     """ Serializer for a User
     """
 
@@ -13,3 +19,22 @@ class UserSerializer(serializers.HyperlinkedModelSerializer):
                   'first_name',
                   'last_name',
                   'email',)
+
+
+class OwnerSerializer(InvenTreeModelSerializer):
+    """
+    Serializer for an "Owner" (either a "user" or a "group")
+    """
+
+    name = serializers.CharField(read_only=True)
+
+    label = serializers.CharField(read_only=True)
+
+    class Meta:
+        model = Owner
+        fields = [
+            'pk',
+            'owner_id',
+            'name',
+            'label',
+        ]

InvenTree/users/urls.py

@@ -1,12 +1 @@
-from django.conf.urls import url
+# -*- coding: utf-8 -*-
-
-from . import api
-
-user_urls = [
-    url(r'^(?P<pk>[0-9]+)/?$', api.UserDetail.as_view(), name='user-detail'),
-
-    url(r'roles/?$', api.RoleDetails.as_view(), name='api-user-roles'),
-    url(r'token/?$', api.GetAuthToken.as_view(), name='api-token'),
-
-    url(r'^$', api.UserList.as_view()),
-]