// Copyright (C) 2016 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.analytics

import com.google.inject.Singleton
import org.eclipse.jgit.lib.Repository
import org.gitective.core.CommitFinder
import org.gitective.core.stat.AuthorHistogramFilter

@Singleton
class UserSummaryExport {
  def getCommitters(repo: Repository): TraversableOnce[UserActivitySummary] = {
    val finder = new CommitFinder(repo)
    val filter = new AuthorHistogramFilter
    finder.setFilter(filter).find
    val histogram = filter.getHistogram
    val authorActivity = histogram.getUserActivity
    authorActivity.par.map(UserActivitySummary.fromUserActivity).toStream
  }
}