1 files changed, 88 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/restapi/config/SetEditPreferences.java b/java/com/google/gerrit/server/restapi/config/SetEditPreferences.java
new file mode 100644
index 0000000000..daca734a58
--- /dev/null
+++ b/java/com/google/gerrit/server/restapi/config/SetEditPreferences.java
@@ -0,0 +1,88 @@
+// Copyright (C) 2018 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.config;
+
+import static com.google.gerrit.server.config.ConfigUtil.skipField;
+
+import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.common.data.GlobalCapability;
+import com.google.gerrit.extensions.annotations.RequiresCapability;
+import com.google.gerrit.extensions.client.EditPreferencesInfo;
+import com.google.gerrit.extensions.restapi.BadRequestException;
+import com.google.gerrit.extensions.restapi.RestModifyView;
+import com.google.gerrit.server.account.AccountCache;
+import com.google.gerrit.server.account.Preferences;
+import com.google.gerrit.server.config.AllUsersName;
+import com.google.gerrit.server.config.ConfigResource;
+import com.google.gerrit.server.git.meta.MetaDataUpdate;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import org.eclipse.jgit.errors.ConfigInvalidException;
+
+@RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
+@Singleton
+public class SetEditPreferences implements RestModifyView<ConfigResource, EditPreferencesInfo> {
+  private static final FluentLogger logger = FluentLogger.forEnclosingClass();
+
+  private final Provider<MetaDataUpdate.User> metaDataUpdateFactory;
+  private final AllUsersName allUsersName;
+  private final AccountCache accountCache;
+
+  @Inject
+  SetEditPreferences(
+      Provider<MetaDataUpdate.User> metaDataUpdateFactory,
+      AllUsersName allUsersName,
+      AccountCache accountCache) {
+    this.metaDataUpdateFactory = metaDataUpdateFactory;
+    this.allUsersName = allUsersName;
+    this.accountCache = accountCache;
+  }
+
+  @Override
+  public EditPreferencesInfo apply(ConfigResource configResource, EditPreferencesInfo input)
+      throws BadRequestException, IOException, ConfigInvalidException {
+    if (input == null) {
+      throw new BadRequestException("input must be provided");
+    }
+    if (!hasSetFields(input)) {
+      throw new BadRequestException("unsupported option");
+    }
+
+    try (MetaDataUpdate md = metaDataUpdateFactory.get().create(allUsersName)) {
+      EditPreferencesInfo updatedPrefs = Preferences.updateDefaultEditPreferences(md, input);
+      accountCache.evictAll();
+      return updatedPrefs;
+    }
+  }
+
+  private static boolean hasSetFields(EditPreferencesInfo in) {
+    try {
+      for (Field field : in.getClass().getDeclaredFields()) {
+        if (skipField(field)) {
+          continue;
+        }
+        if (field.get(in) != null) {
+          return true;
+        }
+      }
+    } catch (IllegalAccessException e) {
+      logger.atSevere().withCause(e).log("Unable to verify input");
+    }
+    return false;
+  }
+}