Roomserver perform leave (#1004)

* First pass at PerformLeave

* Fix SQLite bulkSelectEventStateKey

* Update gomatrixserverlib

* Fix bugs

* Tidy a bit

* Satisfy King Linter

* Review comments

* Review comments

* Fix constants in SQLite event state keys table

1 files changed, 51 insertions, 0 deletions

diff --git a/clientapi/routing/leaveroom.go b/clientapi/routing/leaveroom.go
new file mode 100644
index 00000000..bd769618
--- /dev/null
+++ b/clientapi/routing/leaveroom.go
@@ -0,0 +1,51 @@
+// Copyright 2017 Vector Creations Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package routing
+
+import (
+	"net/http"
+
+	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
+	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
+	"github.com/matrix-org/util"
+)
+
+func LeaveRoomByID(
+	req *http.Request,
+	device *authtypes.Device,
+	rsAPI roomserverAPI.RoomserverInternalAPI,
+	roomID string,
+) util.JSONResponse {
+	// Prepare to ask the roomserver to perform the room join.
+	leaveReq := roomserverAPI.PerformLeaveRequest{
+		RoomID: roomID,
+		UserID: device.UserID,
+	}
+	leaveRes := roomserverAPI.PerformLeaveResponse{}
+
+	// Ask the roomserver to perform the leave.
+	if err := rsAPI.PerformLeave(req.Context(), &leaveReq, &leaveRes); err != nil {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.Unknown(err.Error()),
+		}
+	}
+
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: struct{}{},
+	}
+}