// Copyright (C) 2020 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.googlesource.gerrit.plugins.replication.pull.api;

import static com.googlesource.gerrit.plugins.replication.pull.api.FetchApiCapability.CALL_FETCH_ACTION;

import com.google.gerrit.extensions.annotations.PluginName;
import com.google.gerrit.extensions.api.access.PluginPermission;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.permissions.GlobalPermission;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.inject.Inject;
import com.google.inject.Provider;

public class FetchPreconditions {
  private final String pluginName;
  private final PermissionBackend permissionBackend;
  private final Provider<CurrentUser> userProvider;

  @Inject
  public FetchPreconditions(
      @PluginName String pluginName,
      Provider<CurrentUser> userProvider,
      PermissionBackend permissionBackend) {
    this.pluginName = pluginName;
    this.userProvider = userProvider;
    this.permissionBackend = permissionBackend;
  }

  public Boolean canCallFetchApi() {
    PermissionBackend.WithUser userPermission = permissionBackend.user(userProvider.get());
    return userPermission.testOrFalse(GlobalPermission.ADMINISTRATE_SERVER)
        || userPermission.testOrFalse(new PluginPermission(pluginName, CALL_FETCH_ACTION));
  }
}