// 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.change;

import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.extensions.webui.UiAction;
import com.google.gerrit.server.StarredChangesUtil;
import com.google.gerrit.server.StarredChangesUtil.IllegalLabelException;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Singleton
public class Unmute
    implements RestModifyView<ChangeResource, Unmute.Input>, UiAction<ChangeResource> {
  private static final Logger log = LoggerFactory.getLogger(Unmute.class);

  public static class Input {}

  private final StarredChangesUtil stars;

  @Inject
  Unmute(StarredChangesUtil stars) {
    this.stars = stars;
  }

  @Override
  public Description getDescription(ChangeResource rsrc) {
    return new UiAction.Description()
        .setLabel("Unmute")
        .setTitle("Unmute the change")
        .setVisible(!rsrc.isUserOwner() && isUnMuteable(rsrc));
  }

  @Override
  public Response<String> apply(ChangeResource rsrc, Input input)
      throws RestApiException, OrmException, IllegalLabelException {
    if (rsrc.isUserOwner() || !isMuted(rsrc)) {
      // early exit for own changes and not muted changes
      return Response.ok("");
    }
    stars.unmute(rsrc);
    return Response.ok("");
  }

  private boolean isMuted(ChangeResource rsrc) {
    try {
      return stars.isMuted(rsrc);
    } catch (OrmException e) {
      log.error("failed to check muted star", e);
    }
    return false;
  }

  private boolean isUnMuteable(ChangeResource rsrc) {
    try {
      return isMuted(rsrc) && !stars.isIgnored(rsrc);
    } catch (OrmException e) {
      log.error("failed to check ignored star", e);
    }
    return false;
  }
}

@@ -1717,43 +1717,15 @@
 ble(
-!rsrc.isUserOwner() && isUnMuteable
+isMuted
 (rsr
@@ -1893,142 +1893,27 @@
 if (
-rsrc.isUserOwner() %7C%7C !isMuted(rsrc)) %7B%0A      // early exit for own changes and not muted changes%0A      return Response.ok(%22%22);%0A    %7D%0A
+isMuted(rsrc)) %7B%0A  
     
@@ -1928,24 +1928,30 @@
 mute(rsrc);%0A
+    %7D%0A
     return R
@@ -2176,237 +2176,7 @@
 %0A  %7D
-%0A%0A  private boolean isUnMuteable(ChangeResource rsrc) %7B%0A    try %7B%0A      return isMuted(rsrc) && !stars.isIgnored(rsrc);%0A    %7D catch (OrmException e) %7B%0A      log.error(%22failed to check ignored star%22, e);%0A    %7D%0A    return false;%0A  %7D
 %0A%7D%0A

Allow to unmute own change