SyncServer adding functionality to Loader

In one big commit as PR wasnt merged before rebranding and merge exploded

openpype/plugins/load/add_site.py

@@ -0,0 +1,33 @@
+from avalon import api
+from openpype.modules import ModulesManager
+
+
+class AddSyncSite(api.Loader):
+    """Add sync site to representation"""
+    representations = ["*"]
+    families = ["*"]
+
+    label = "Add Sync Site"
+    order = 2  # lower means better
+    icon = "download"
+    color = "#999999"
+
+    def load(self, context, name=None, namespace=None, data=None):
+        self.log.info("Adding {} to representation: {}".format(
+            data["site_name"], data["_id"]))
+        self.add_site_to_representation(data["project_name"],
+                                        data["_id"],
+                                        data["site_name"])
+        self.log.debug("Site added.")
+
+    @staticmethod
+    def add_site_to_representation(project_name, representation_id, site_name):
+        """Adds new site to representation_id, resets if exists"""
+        manager = ModulesManager()
+        sync_server = manager.modules_by_name["sync_server"]
+        sync_server.add_site(project_name, representation_id, site_name,
+                             force=True)
+
+    def filepath_from_context(self, context):
+        """No real file loading"""
+        return ""