1 files changed, 123 insertions, 0 deletions
diff --git a/syncapi/api/query.go b/syncapi/api/query.go
new file mode 100644
index 00000000..2993829e
--- /dev/null
+++ b/syncapi/api/query.go
@@ -0,0 +1,123 @@
+// Copyright 2020 The Matrix.org Foundation C.I.C.
+//
+// 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 api
+
+import (
+	"context"
+	"net/http"
+
+	commonHTTP "github.com/matrix-org/dendrite/common/http"
+	"github.com/matrix-org/util"
+	opentracing "github.com/opentracing/opentracing-go"
+)
+
+const (
+	SyncAPIQuerySyncPath      = "/api/syncapi/querySync"
+	SyncAPIQueryStatePath     = "/api/syncapi/queryState"
+	SyncAPIQueryStateTypePath = "/api/syncapi/queryStateType"
+	SyncAPIQueryMessagesPath  = "/api/syncapi/queryMessages"
+)
+
+func NewSyncQueryAPIHTTP(syncapiURL string, httpClient *http.Client) SyncQueryAPI {
+	if httpClient == nil {
+		httpClient = http.DefaultClient
+	}
+	return &httpSyncQueryAPI{syncapiURL, httpClient}
+}
+
+type httpSyncQueryAPI struct {
+	syncapiURL string
+	httpClient *http.Client
+}
+
+type SyncQueryAPI interface {
+	QuerySync(ctx context.Context, request *QuerySyncRequest, response *QuerySyncResponse) error
+	QueryState(ctx context.Context, request *QueryStateRequest, response *QueryStateResponse) error
+	QueryStateType(ctx context.Context, request *QueryStateTypeRequest, response *QueryStateTypeResponse) error
+	QueryMessages(ctx context.Context, request *QueryMessagesRequest, response *QueryMessagesResponse) error
+}
+
+type QuerySyncRequest struct{}
+
+type QueryStateRequest struct {
+	RoomID string
+}
+
+type QueryStateTypeRequest struct {
+	RoomID    string
+	EventType string
+	StateKey  string
+}
+
+type QueryMessagesRequest struct {
+	RoomID string
+}
+
+type QuerySyncResponse util.JSONResponse
+type QueryStateResponse util.JSONResponse
+type QueryStateTypeResponse util.JSONResponse
+type QueryMessagesResponse util.JSONResponse
+
+// QueryLatestEventsAndState implements SyncQueryAPI
+func (h *httpSyncQueryAPI) QuerySync(
+	ctx context.Context,
+	request *QuerySyncRequest,
+	response *QuerySyncResponse,
+) error {
+	span, ctx := opentracing.StartSpanFromContext(ctx, "QuerySync")
+	defer span.Finish()
+
+	apiURL := h.syncapiURL + SyncAPIQuerySyncPath
+	return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
+}
+
+// QueryStateAfterEvents implements SyncQueryAPI
+func (h *httpSyncQueryAPI) QueryState(
+	ctx context.Context,
+	request *QueryStateRequest,
+	response *QueryStateResponse,
+) error {
+	span, ctx := opentracing.StartSpanFromContext(ctx, "QueryState")
+	defer span.Finish()
+
+	apiURL := h.syncapiURL + SyncAPIQueryStatePath
+	return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
+}
+
+// QueryEventsByID implements SyncQueryAPI
+func (h *httpSyncQueryAPI) QueryStateType(
+	ctx context.Context,
+	request *QueryStateTypeRequest,
+	response *QueryStateTypeResponse,
+) error {
+	span, ctx := opentracing.StartSpanFromContext(ctx, "QueryStateType")
+	defer span.Finish()
+
+	apiURL := h.syncapiURL + SyncAPIQueryStateTypePath
+	return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
+}
+
+// QueryMembershipForUser implements SyncQueryAPI
+func (h *httpSyncQueryAPI) QueryMessages(
+	ctx context.Context,
+	request *QueryMessagesRequest,
+	response *QueryMessagesResponse,
+) error {
+	span, ctx := opentracing.StartSpanFromContext(ctx, "QueryMessages")
+	defer span.Finish()
+
+	apiURL := h.syncapiURL + SyncAPIQueryMessagesPath
+	return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
+}