1 files changed, 169 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/restapi/change/Abandon.java b/java/com/google/gerrit/server/restapi/change/Abandon.java
new file mode 100644
index 0000000000..ccce99879e
--- /dev/null
+++ b/java/com/google/gerrit/server/restapi/change/Abandon.java
@@ -0,0 +1,169 @@
+// Copyright (C) 2012 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.ImmutableListMultimap;
+import com.google.common.collect.ListMultimap;
+import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.extensions.api.changes.AbandonInput;
+import com.google.gerrit.extensions.api.changes.NotifyHandling;
+import com.google.gerrit.extensions.api.changes.RecipientType;
+import com.google.gerrit.extensions.common.ChangeInfo;
+import com.google.gerrit.extensions.restapi.RestApiException;
+import com.google.gerrit.extensions.webui.UiAction;
+import com.google.gerrit.reviewdb.client.Account;
+import com.google.gerrit.reviewdb.client.Change;
+import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.CurrentUser;
+import com.google.gerrit.server.PatchSetUtil;
+import com.google.gerrit.server.account.AccountState;
+import com.google.gerrit.server.change.AbandonOp;
+import com.google.gerrit.server.change.ChangeJson;
+import com.google.gerrit.server.change.ChangeResource;
+import com.google.gerrit.server.change.NotifyUtil;
+import com.google.gerrit.server.notedb.ChangeNotes;
+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.gwtorm.server.OrmException;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+import java.io.IOException;
+import org.eclipse.jgit.errors.ConfigInvalidException;
+
+@Singleton
+public class Abandon extends RetryingRestModifyView<ChangeResource, AbandonInput, ChangeInfo>
+    implements UiAction<ChangeResource> {
+  private static final FluentLogger logger = FluentLogger.forEnclosingClass();
+
+  private final Provider<ReviewDb> dbProvider;
+  private final ChangeJson.Factory json;
+  private final AbandonOp.Factory abandonOpFactory;
+  private final NotifyUtil notifyUtil;
+  private final PatchSetUtil patchSetUtil;
+
+  @Inject
+  Abandon(
+      Provider<ReviewDb> dbProvider,
+      ChangeJson.Factory json,
+      RetryHelper retryHelper,
+      AbandonOp.Factory abandonOpFactory,
+      NotifyUtil notifyUtil,
+      PatchSetUtil patchSetUtil) {
+    super(retryHelper);
+    this.dbProvider = dbProvider;
+    this.json = json;
+    this.abandonOpFactory = abandonOpFactory;
+    this.notifyUtil = notifyUtil;
+    this.patchSetUtil = patchSetUtil;
+  }
+
+  @Override
+  protected ChangeInfo applyImpl(
+      BatchUpdate.Factory updateFactory, ChangeResource rsrc, AbandonInput input)
+      throws RestApiException, UpdateException, OrmException, PermissionBackendException,
+          IOException, ConfigInvalidException {
+    // Not allowed to abandon if the current patch set is locked.
+    patchSetUtil.checkPatchSetNotLocked(rsrc.getNotes());
+
+    rsrc.permissions().database(dbProvider).check(ChangePermission.ABANDON);
+
+    NotifyHandling notify = input.notify == null ? defaultNotify(rsrc.getChange()) : input.notify;
+    Change change =
+        abandon(
+            updateFactory,
+            rsrc.getNotes(),
+            rsrc.getUser(),
+            input.message,
+            notify,
+            notifyUtil.resolveAccounts(input.notifyDetails));
+    return json.noOptions().format(change);
+  }
+
+  private NotifyHandling defaultNotify(Change change) {
+    return change.hasReviewStarted() ? NotifyHandling.ALL : NotifyHandling.OWNER;
+  }
+
+  public Change abandon(BatchUpdate.Factory updateFactory, ChangeNotes notes, CurrentUser user)
+      throws RestApiException, UpdateException {
+    return abandon(
+        updateFactory,
+        notes,
+        user,
+        "",
+        defaultNotify(notes.getChange()),
+        ImmutableListMultimap.of());
+  }
+
+  public Change abandon(
+      BatchUpdate.Factory updateFactory, ChangeNotes notes, CurrentUser user, String msgTxt)
+      throws RestApiException, UpdateException {
+    return abandon(
+        updateFactory,
+        notes,
+        user,
+        msgTxt,
+        defaultNotify(notes.getChange()),
+        ImmutableListMultimap.of());
+  }
+
+  public Change abandon(
+      BatchUpdate.Factory updateFactory,
+      ChangeNotes notes,
+      CurrentUser user,
+      String msgTxt,
+      NotifyHandling notifyHandling,
+      ListMultimap<RecipientType, Account.Id> accountsToNotify)
+      throws RestApiException, UpdateException {
+    AccountState accountState = user.isIdentifiedUser() ? user.asIdentifiedUser().state() : null;
+    AbandonOp op = abandonOpFactory.create(accountState, msgTxt, notifyHandling, accountsToNotify);
+    try (BatchUpdate u =
+        updateFactory.create(dbProvider.get(), notes.getProjectName(), user, TimeUtil.nowTs())) {
+      u.addOp(notes.getChangeId(), op).execute();
+    }
+    return op.getChange();
+  }
+
+  @Override
+  public UiAction.Description getDescription(ChangeResource rsrc) {
+    UiAction.Description description =
+        new UiAction.Description()
+            .setLabel("Abandon")
+            .setTitle("Abandon the change")
+            .setVisible(false);
+
+    Change change = rsrc.getChange();
+    if (!change.getStatus().isOpen()) {
+      return description;
+    }
+
+    try {
+      if (patchSetUtil.isPatchSetLocked(rsrc.getNotes())) {
+        return description;
+      }
+    } catch (OrmException | IOException e) {
+      logger.atSevere().withCause(e).log(
+          "Failed to check if the current patch set of change %s is locked", change.getId());
+      return description;
+    }
+
+    return description.setVisible(rsrc.permissions().testOrFalse(ChangePermission.ABANDON));
+  }
+}