1 files changed, 74 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/restapi/change/PostHashtags.java b/java/com/google/gerrit/server/restapi/change/PostHashtags.java
new file mode 100644
index 0000000000..c67fb67979
--- /dev/null
+++ b/java/com/google/gerrit/server/restapi/change/PostHashtags.java
@@ -0,0 +1,74 @@
+// Copyright (C) 2014 The Android Open Source Project
+//
+// 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 com.google.gerrit.server.restapi.change;
+
+import com.google.common.collect.ImmutableSortedSet;
+import com.google.gerrit.extensions.api.changes.HashtagsInput;
+import com.google.gerrit.extensions.restapi.Response;
+import com.google.gerrit.extensions.restapi.RestApiException;
+import com.google.gerrit.extensions.webui.UiAction;
+import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.change.ChangeResource;
+import com.google.gerrit.server.change.SetHashtagsOp;
+import com.google.gerrit.server.permissions.ChangePermission;
+import com.google.gerrit.server.permissions.PermissionBackendException;
+import com.google.gerrit.server.update.BatchUpdate;
+import com.google.gerrit.server.update.RetryHelper;
+import com.google.gerrit.server.update.RetryingRestModifyView;
+import com.google.gerrit.server.update.UpdateException;
+import com.google.gerrit.server.util.time.TimeUtil;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+
+@Singleton
+public class PostHashtags
+    extends RetryingRestModifyView<
+        ChangeResource, HashtagsInput, Response<ImmutableSortedSet<String>>>
+    implements UiAction<ChangeResource> {
+  private final Provider<ReviewDb> db;
+  private final SetHashtagsOp.Factory hashtagsFactory;
+
+  @Inject
+  PostHashtags(
+      Provider<ReviewDb> db, RetryHelper retryHelper, SetHashtagsOp.Factory hashtagsFactory) {
+    super(retryHelper);
+    this.db = db;
+    this.hashtagsFactory = hashtagsFactory;
+  }
+
+  @Override
+  protected Response<ImmutableSortedSet<String>> applyImpl(
+      BatchUpdate.Factory updateFactory, ChangeResource req, HashtagsInput input)
+      throws RestApiException, UpdateException, PermissionBackendException {
+    req.permissions().check(ChangePermission.EDIT_HASHTAGS);
+
+    try (BatchUpdate bu =
+        updateFactory.create(
+            db.get(), req.getChange().getProject(), req.getUser(), TimeUtil.nowTs())) {
+      SetHashtagsOp op = hashtagsFactory.create(input);
+      bu.addOp(req.getId(), op);
+      bu.execute();
+      return Response.<ImmutableSortedSet<String>>ok(op.getUpdatedHashtags());
+    }
+  }
+
+  @Override
+  public UiAction.Description getDescription(ChangeResource rsrc) {
+    return new UiAction.Description()
+        .setLabel("Edit Hashtags")
+        .setVisible(rsrc.permissions().testCond(ChangePermission.EDIT_HASHTAGS));
+  }
+}