| // 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.reviewers; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Sets; |
| import com.google.gerrit.exceptions.StorageException; |
| import com.google.gerrit.index.query.QueryParseException; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.query.change.ChangeQueryBuilder; |
| import com.google.gerrit.server.query.change.InternalChangeQuery; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class ReviewersFilterUtil { |
| private final ChangeQueryBuilder queryBuilder; |
| private final Provider<InternalChangeQuery> queryProvider; |
| private final Provider<CurrentUser> user; |
| |
| @Inject |
| public ReviewersFilterUtil( |
| ChangeQueryBuilder queryBuilder, |
| Provider<InternalChangeQuery> queryProvider, |
| Provider<CurrentUser> user) { |
| this.queryBuilder = queryBuilder; |
| this.queryProvider = queryProvider; |
| this.user = user; |
| } |
| |
| public Set<String> findReviewers(int change, List<ReviewerFilter> filters) |
| throws StorageException, QueryParseException { |
| Set<String> reviewers = Sets.newHashSet(); |
| List<ReviewerFilter> found = findReviewerFilters(change, filters); |
| for (ReviewerFilter s : found) { |
| reviewers.addAll(s.getReviewers()); |
| } |
| return reviewers; |
| } |
| |
| public Set<String> findCcs(int change, List<ReviewerFilter> filters) |
| throws StorageException, QueryParseException { |
| Set<String> ccs = Sets.newHashSet(); |
| List<ReviewerFilter> found = findReviewerFilters(change, filters); |
| for (ReviewerFilter s : found) { |
| ccs.addAll(s.getCcs()); |
| } |
| return ccs; |
| } |
| |
| private List<ReviewerFilter> findReviewerFilters(int change, List<ReviewerFilter> sections) |
| throws StorageException, QueryParseException { |
| ImmutableList.Builder<ReviewerFilter> found = ImmutableList.builder(); |
| for (ReviewerFilter s : sections) { |
| if (Strings.isNullOrEmpty(s.getFilter()) || s.getFilter().equals("*")) { |
| found.add(s); |
| } else if (filterMatch(change, s.getFilter())) { |
| found.add(s); |
| } |
| } |
| return found.build(); |
| } |
| |
| boolean filterMatch(int change, String filter) throws StorageException, QueryParseException { |
| Preconditions.checkNotNull(filter); |
| ChangeQueryBuilder qb = queryBuilder.asUser(user.get()); |
| return !queryProvider |
| .get() |
| .noFields() |
| .query(qb.parse(String.format("change:%s %s", change, filter))) |
| .isEmpty(); |
| } |
| } |