adding API endpoints for plugins

InvenTree/InvenTree/urls.py

@@ -28,6 +28,7 @@ from build.api import build_api_urls
 from order.api import order_api_urls
 from label.api import label_api_urls
 from report.api import report_api_urls
+from plugin.api import plugin_api_urls
 
 from django.conf import settings
 from django.conf.urls.static import static
@@ -63,6 +64,7 @@ apipatterns = [
     url(r'^order/', include(order_api_urls)),
     url(r'^label/', include(label_api_urls)),
     url(r'^report/', include(report_api_urls)),
+    url(r'^plugin/', include(plugin_api_urls)),
 
     # User URLs
     url(r'^user/', include(user_urls)),

InvenTree/plugin/api.py

@@ -0,0 +1,45 @@
+"""
+JSON API for the plugin app
+"""
+
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.conf.urls import url
+from django.utils.translation import ugettext_lazy as _
+
+from rest_framework import generics
+
+from plugin.models import PluginConfig
+import plugin.serializers as PluginSerializers
+
+
+class PluginList(generics.ListAPIView):
+    """ API endpoint for list of PluginConfig objects
+
+    - GET: Return a list of all PluginConfig objects
+    """
+
+    serializer_class = PluginSerializers.PluginConfigSerializer
+    queryset = PluginConfig.objects.all()
+
+    ordering_fields = [
+        'key',
+        'name',
+        'active',
+    ]
+
+    ordering = [
+        'key',
+    ]
+
+    search_fields = [
+        'key',
+        'name',
+    ]
+
+
+plugin_api_urls = [
+    # Anything else
+    url(r'^.*$', PluginList.as_view(), name='api-plugin-list'),
+]

InvenTree/plugin/models.py

@@ -8,6 +8,7 @@ from __future__ import unicode_literals
 from django.utils.translation import gettext_lazy as _
 from django.db import models
 from django.apps import apps
+from django.conf import settings
 
 
 class PluginConfig(models.Model):
@@ -51,11 +52,25 @@ class PluginConfig(models.Model):
             name += '(not active)'
         return name
 
+    # functions
+
     def __init__(self, *args, **kwargs):
         """override to set original state of"""
         super().__init__(*args, **kwargs)
         self.__org_active = self.active
 
+        # append settings from registry
+        self.plugin = settings.INTEGRATION_PLUGINS.get(self.key, None)
+
+        def get_plugin_meta(name):
+            if self.plugin:
+                return str(getattr(self.plugin, name, None))
+            return None
+
+        self.meta = {key: get_plugin_meta(key) for key in ['slug', 'human_name', 'description', 'author', \
+            'pub_date', 'version', 'website', 'license', 'package_path', 'settings_url', ]}
+
+
     def save(self, force_insert=False, force_update=False, *args, **kwargs):
         """extend save method to reload plugins if the 'active' status changes"""
         reload = kwargs.pop('no_reload', False)  # check if no_reload flag is set

InvenTree/plugin/serializers.py

@@ -0,0 +1,28 @@
+"""
+JSON serializers for Stock app
+"""
+
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.utils.translation import ugettext_lazy as _
+
+from rest_framework import serializers
+
+from plugin.models import PluginConfig
+
+
+class PluginConfigSerializer(serializers.ModelSerializer):
+    """ Serializer for a PluginConfig:
+    """
+
+    meta = serializers.DictField(read_only=True)
+
+    class Meta:
+        model = PluginConfig
+        fields = [
+            'key',
+            'name',
+            'active',
+            'meta',
+        ]