[admin] Added way to easily get UUID #14

Closes #14

django_netjsonconfig/admin.py

@@ -19,7 +19,8 @@ class Media:
         css = {'all': ('css/admin/django-netjsonconfig.css',)}
         js = (
             'js/admin/preview.js',
-            'js/admin/unsaved_changes.js'
+            'js/admin/unsaved_changes.js',
+            'js/admin/uuid.js'
         )
 
     def get_extra_context(self, pk=None):
@@ -135,20 +136,37 @@ class ConfigAdmin(BaseConfigAdmin):
     list_display = ('name', 'backend', 'status', 'last_ip', 'created', 'modified')
     list_filter = ('backend', 'status', 'created',)
     search_fields = ('id', 'name', 'key', 'last_ip')
-    readonly_fields = ('status', 'last_ip')
-    fields = ('name',
+    readonly_fields = ['id', 'status', 'last_ip']
+    fields = ['name',
               'key',
+              'id',
               'status',
               'last_ip',
               'templates',
               'backend',
               'config',
               'created',
-              'modified')
+              'modified']
     actions_on_bottom = True
     save_on_top = True
     form = ConfigForm
 
+    def _get_fields(self, fields, request, obj=None):
+        """
+        removes "id" field in add view
+        """
+        if obj:
+            return fields
+        new_fields = fields[:]
+        if 'id' in new_fields:
+            new_fields.remove('id')
+        return new_fields
+
+    def get_fields(self, request, obj=None):
+        return self._get_fields(self.fields, request, obj)
+
+    def get_readonly_fields(self, request, obj=None):
+        return self._get_fields(self.readonly_fields, request, obj)
 
 admin.site.register(Template, TemplateAdmin)
 admin.site.register(Config, ConfigAdmin)

django_netjsonconfig/static/css/admin/django-netjsonconfig.css

@@ -21,6 +21,11 @@
     line-height: 22px;
 }
 
+.readonly{
+    border: 1px solid rgba(0, 0, 0, 0.05) !important;
+    background-color: rgba(0, 0, 0, 0.070);
+}
+
 .djnjc-overlay {
     display: none;
     position: fixed;

django_netjsonconfig/static/js/admin/uuid.js

@@ -0,0 +1,9 @@
+django.jQuery(function($) {
+    var p = $('.field-id p'),
+        value = p.text();
+    p.html('<input readonly id="id_id" type="text" class="vTextField readonly" value="'+ value +'">');
+    var id = $('#id_id');
+    id.click(function(){
+        $(this).select()
+    });
+});

django_netjsonconfig/tests/test_admin.py

@@ -180,3 +180,19 @@ def test_preview_template(self):
         self.assertContains(response, '<pre class="djnjc-preformatted')
         self.assertNotContains(response, 'system')
         self.assertNotContains(response, 'hostname')
+
+    def test_uuid_field_not_in_add(self):
+        path = reverse('admin:django_netjsonconfig_config_add')
+        response = self.client.get(path)
+        self.assertEqual(response.status_code, 200)
+        self.assertNotContains(response, 'field-id')
+
+    def test_uuid_field_in_change(self):
+        t = Template.objects.first()
+        c = Config(name='test', backend=t.backend, config=t.config, key=self.TEST_KEY)
+        c.full_clean()
+        c.save()
+        path = reverse('admin:django_netjsonconfig_config_change', args=[c.pk])
+        response = self.client.get(path)
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'field-id')