1 files changed, 109 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/restapi/change/SetWorkInProgress.java b/java/com/google/gerrit/server/restapi/change/SetWorkInProgress.java
new file mode 100644
index 0000000000..da5d8bbe9e
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+++ b/java/com/google/gerrit/server/restapi/change/SetWorkInProgress.java
@@ -0,0 +1,109 @@
+// Copyright (C) 2017 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 static com.google.gerrit.extensions.conditions.BooleanCondition.and;
+import static com.google.gerrit.extensions.conditions.BooleanCondition.or;
+
+import com.google.gerrit.extensions.restapi.ResourceConflictException;
+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.client.Change;
+import com.google.gerrit.reviewdb.client.Change.Status;
+import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.ChangeUtil;
+import com.google.gerrit.server.CurrentUser;
+import com.google.gerrit.server.change.ChangeResource;
+import com.google.gerrit.server.change.WorkInProgressOp;
+import com.google.gerrit.server.change.WorkInProgressOp.Input;
+import com.google.gerrit.server.permissions.GlobalPermission;
+import com.google.gerrit.server.permissions.PermissionBackend;
+import com.google.gerrit.server.permissions.PermissionBackendException;
+import com.google.gerrit.server.permissions.ProjectPermission;
+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 SetWorkInProgress extends RetryingRestModifyView<ChangeResource, Input, Response<?>>
+    implements UiAction<ChangeResource> {
+  private final WorkInProgressOp.Factory opFactory;
+  private final Provider<ReviewDb> db;
+  private final PermissionBackend permissionBackend;
+  private final Provider<CurrentUser> user;
+
+  @Inject
+  SetWorkInProgress(
+      WorkInProgressOp.Factory opFactory,
+      RetryHelper retryHelper,
+      Provider<ReviewDb> db,
+      PermissionBackend permissionBackend,
+      Provider<CurrentUser> user) {
+    super(retryHelper);
+    this.opFactory = opFactory;
+    this.db = db;
+    this.permissionBackend = permissionBackend;
+    this.user = user;
+  }
+
+  @Override
+  protected Response<?> applyImpl(
+      BatchUpdate.Factory updateFactory, ChangeResource rsrc, Input input)
+      throws RestApiException, UpdateException, PermissionBackendException {
+    WorkInProgressOp.checkPermissions(permissionBackend, user.get(), rsrc.getChange());
+
+    Change change = rsrc.getChange();
+    if (change.getStatus() != Status.NEW) {
+      throw new ResourceConflictException("change is " + ChangeUtil.status(change));
+    }
+
+    if (change.isWorkInProgress()) {
+      throw new ResourceConflictException("change is already work in progress");
+    }
+
+    try (BatchUpdate bu =
+        updateFactory.create(db.get(), rsrc.getProject(), rsrc.getUser(), TimeUtil.nowTs())) {
+      bu.addOp(rsrc.getChange().getId(), opFactory.create(true, input));
+      bu.execute();
+      return Response.ok("");
+    }
+  }
+
+  @Override
+  public Description getDescription(ChangeResource rsrc) {
+    return new Description()
+        .setLabel("WIP")
+        .setTitle("Set Work In Progress")
+        .setVisible(
+            and(
+                rsrc.getChange().getStatus() == Status.NEW && !rsrc.getChange().isWorkInProgress(),
+                or(
+                    rsrc.isUserOwner(),
+                    or(
+                        permissionBackend
+                            .currentUser()
+                            .testCond(GlobalPermission.ADMINISTRATE_SERVER),
+                        permissionBackend
+                            .currentUser()
+                            .project(rsrc.getProject())
+                            .testCond(ProjectPermission.WRITE_CONFIG)))));
+  }
+}