1 files changed, 87 insertions, 0 deletions
diff --git a/gitlab/v4/objects/epics.py b/gitlab/v4/objects/epics.py
new file mode 100644
index 0000000..2cbadfa
--- /dev/null
+++ b/gitlab/v4/objects/epics.py
@@ -0,0 +1,87 @@
+from gitlab import types
+from gitlab import exceptions as exc
+from gitlab.base import *  # noqa
+from gitlab.mixins import *  # noqa
+from .events import GroupEpicResourceLabelEventManager
+
+
+class GroupEpic(ObjectDeleteMixin, SaveMixin, RESTObject):
+    _id_attr = "iid"
+    _managers = (
+        ("issues", "GroupEpicIssueManager"),
+        ("resourcelabelevents", "GroupEpicResourceLabelEventManager"),
+    )
+
+
+class GroupEpicManager(CRUDMixin, RESTManager):
+    _path = "/groups/%(group_id)s/epics"
+    _obj_cls = GroupEpic
+    _from_parent_attrs = {"group_id": "id"}
+    _list_filters = ("author_id", "labels", "order_by", "sort", "search")
+    _create_attrs = (("title",), ("labels", "description", "start_date", "end_date"))
+    _update_attrs = (
+        tuple(),
+        ("title", "labels", "description", "start_date", "end_date"),
+    )
+    _types = {"labels": types.ListAttribute}
+
+
+class GroupEpicIssue(ObjectDeleteMixin, SaveMixin, RESTObject):
+    _id_attr = "epic_issue_id"
+
+    def save(self, **kwargs):
+        """Save the changes made to the object to the server.
+
+        The object is updated to match what the server returns.
+
+        Args:
+            **kwargs: Extra options to send to the server (e.g. sudo)
+
+        Raise:
+            GitlabAuthenticationError: If authentication is not correct
+            GitlabUpdateError: If the server cannot perform the request
+        """
+        updated_data = self._get_updated_data()
+        # Nothing to update. Server fails if sent an empty dict.
+        if not updated_data:
+            return
+
+        # call the manager
+        obj_id = self.get_id()
+        self.manager.update(obj_id, updated_data, **kwargs)
+
+
+class GroupEpicIssueManager(
+    ListMixin, CreateMixin, UpdateMixin, DeleteMixin, RESTManager
+):
+    _path = "/groups/%(group_id)s/epics/%(epic_iid)s/issues"
+    _obj_cls = GroupEpicIssue
+    _from_parent_attrs = {"group_id": "group_id", "epic_iid": "iid"}
+    _create_attrs = (("issue_id",), tuple())
+    _update_attrs = (tuple(), ("move_before_id", "move_after_id"))
+
+    @exc.on_http_error(exc.GitlabCreateError)
+    def create(self, data, **kwargs):
+        """Create a new object.
+
+        Args:
+            data (dict): Parameters to send to the server to create the
+                         resource
+            **kwargs: Extra options to send to the server (e.g. sudo)
+
+        Raises:
+            GitlabAuthenticationError: If authentication is not correct
+            GitlabCreateError: If the server cannot perform the request
+
+        Returns:
+            RESTObject: A new instance of the manage object class build with
+                        the data sent by the server
+        """
+        CreateMixin._check_missing_create_attrs(self, data)
+        path = "%s/%s" % (self.path, data.pop("issue_id"))
+        server_data = self.gitlab.http_post(path, **kwargs)
+        # The epic_issue_id attribute doesn't exist when creating the resource,
+        # but is used everywhere elese. Let's create it to be consistent client
+        # side
+        server_data["epic_issue_id"] = server_data["id"]
+        return self._obj_cls(self, server_data)