com.google.gerrit.server.query.change.IsWatchedByPredicate Maven / Gradle / Ivy
// Copyright (C) 2010 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.query.change;
import com.google.common.collect.ImmutableList;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.account.WatchConfig.ProjectWatchKey;
import com.google.gerrit.server.query.AndPredicate;
import com.google.gerrit.server.query.Predicate;
import com.google.gerrit.server.query.QueryBuilder;
import com.google.gerrit.server.query.QueryParseException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
class IsWatchedByPredicate extends AndPredicate {
private static String describe(CurrentUser user) {
if (user.isIdentifiedUser()) {
return user.getAccountId().toString();
}
return user.toString();
}
private final CurrentUser user;
IsWatchedByPredicate(ChangeQueryBuilder.Arguments args, boolean checkIsVisible)
throws QueryParseException {
super(filters(args, checkIsVisible));
this.user = args.getUser();
}
private static List> filters(
ChangeQueryBuilder.Arguments args, boolean checkIsVisible) throws QueryParseException {
List> r = new ArrayList<>();
ChangeQueryBuilder builder = new ChangeQueryBuilder(args);
for (ProjectWatchKey w : getWatches(args)) {
Predicate f = null;
if (w.filter() != null) {
try {
f = builder.parse(w.filter());
if (QueryBuilder.find(f, IsWatchedByPredicate.class) != null) {
// If the query is going to infinite loop, assume it
// will never match and return null. Yes this test
// prevents you from having a filter that matches what
// another user is filtering on. :-)
continue;
}
} catch (QueryParseException e) {
continue;
}
}
Predicate p;
if (w.project().equals(args.allProjectsName)) {
p = null;
} else {
p = builder.project(w.project().get());
}
if (p != null && f != null) {
r.add(and(p, f));
} else if (p != null) {
r.add(p);
} else if (f != null) {
r.add(f);
} else {
r.add(builder.status_open());
}
}
if (r.isEmpty()) {
return none();
} else if (checkIsVisible) {
return ImmutableList.of(or(r), builder.is_visible());
} else {
return ImmutableList.of(or(r));
}
}
private static Collection getWatches(ChangeQueryBuilder.Arguments args)
throws QueryParseException {
CurrentUser user = args.getUser();
if (user.isIdentifiedUser()) {
return args.accountCache.get(args.getUser().getAccountId()).getProjectWatches().keySet();
}
return Collections.emptySet();
}
private static List> none() {
Predicate any = any();
return ImmutableList.of(not(any));
}
@Override
public int getCost() {
return 1;
}
@Override
public String toString() {
String val = describe(user);
if (val.indexOf(' ') < 0) {
return ChangeQueryBuilder.FIELD_WATCHEDBY + ":" + val;
}
return ChangeQueryBuilder.FIELD_WATCHEDBY + ":\"" + val + "\"";
}
}