SyncServer - support for additional settings and local settings

WIP

openpype/settings/entities/enum_entity.py

@@ -217,3 +217,49 @@ class ToolsEnumEntity(BaseEnumEntity):
             if key in self.valid_keys:
                 new_value.append(key)
         self._current_value = new_value
+
+
+class ProvidersEnum(BaseEnumEntity):
+    schema_types = ["providers-enum"]
+
+    def _item_initalization(self):
+        self.multiselection = False
+        self.value_on_not_set = ""
+        self.enum_items = []
+        self.valid_keys = set()
+        self.valid_value_types = (str, )
+        self.placeholder = None
+
+    def _get_enum_values(self):
+        # from openpype.modules.sync_server.providers import lib as lib_providers
+        #
+        # providers = lib_providers.factory.providers
+        #
+        # valid_keys = set()
+        # enum_items = []
+        # for provider_code, provider_info in providers.items():
+        #     provider, _ = provider_info
+        #     enum_items.append({provider_code: provider.LABEL})
+        #     valid_keys.add(provider_code)
+        valid_keys = set()
+        enum_items = []
+        if not valid_keys:
+            enum_items.append({'': 'N/A'})
+            valid_keys.add('')
+
+        return enum_items, valid_keys
+
+    def set_override_state(self, *args, **kwargs):
+        super(ProvidersEnum, self).set_override_state(*args, **kwargs)
+
+        self.enum_items, self.valid_keys = self._get_enum_values()
+
+        value_on_not_set = list(self.valid_keys)[0]
+        if self._current_value is NOT_SET:
+            self._current_value = value_on_not_set
+
+        self.value_on_not_set = value_on_not_set
+
+
+# class ActiveSiteEnum
+# class RemoteSiteEnum