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// Copyright (C) 2013 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.restapi.change;
import com.google.common.base.MoreObjects;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.gerrit.common.data.SubmitRecord;
import com.google.gerrit.extensions.common.AccountInfo;
import com.google.gerrit.extensions.common.TestSubmitRuleInfo;
import com.google.gerrit.extensions.common.TestSubmitRuleInput;
import com.google.gerrit.extensions.common.TestSubmitRuleInput.Filters;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.account.AccountLoader;
import com.google.gerrit.server.change.RevisionResource;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gerrit.server.project.ProjectState;
import com.google.gerrit.server.project.SubmitRuleOptions;
import com.google.gerrit.server.query.change.ChangeData;
import com.google.gerrit.server.rules.DefaultSubmitRule;
import com.google.gerrit.server.rules.PrologRule;
import com.google.gerrit.server.rules.RulesCache;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import java.util.LinkedHashMap;
import java.util.List;
import org.kohsuke.args4j.Option;
public class TestSubmitRule implements RestModifyView<RevisionResource, TestSubmitRuleInput> {
private final Provider<ReviewDb> db;
private final ChangeData.Factory changeDataFactory;
private final RulesCache rules;
private final AccountLoader.Factory accountInfoFactory;
private final ProjectCache projectCache;
private final DefaultSubmitRule defaultSubmitRule;
private final PrologRule prologRule;
@Option(name = "--filters", usage = "impact of filters in parent projects")
private Filters filters = Filters.RUN;
@Inject
TestSubmitRule(
Provider<ReviewDb> db,
ChangeData.Factory changeDataFactory,
RulesCache rules,
AccountLoader.Factory infoFactory,
ProjectCache projectCache,
DefaultSubmitRule defaultSubmitRule,
PrologRule prologRule) {
this.db = db;
this.changeDataFactory = changeDataFactory;
this.rules = rules;
this.accountInfoFactory = infoFactory;
this.projectCache = projectCache;
this.defaultSubmitRule = defaultSubmitRule;
this.prologRule = prologRule;
}
@Override
public List<TestSubmitRuleInfo> apply(RevisionResource rsrc, TestSubmitRuleInput input)
throws AuthException, OrmException, PermissionBackendException, BadRequestException {
if (input == null) {
input = new TestSubmitRuleInput();
}
if (input.rule != null && !rules.isProjectRulesEnabled()) {
throw new AuthException("project rules are disabled");
}
input.filters = MoreObjects.firstNonNull(input.filters, filters);
SubmitRuleOptions opts =
SubmitRuleOptions.builder()
.skipFilters(input.filters == Filters.SKIP)
.rule(input.rule)
.logErrors(false)
.build();
ProjectState projectState = projectCache.get(rsrc.getProject());
if (projectState == null) {
throw new BadRequestException("project not found");
}
ChangeData cd = changeDataFactory.create(db.get(), rsrc.getNotes());
List<SubmitRecord> records;
if (projectState.hasPrologRules() || input.rule != null) {
records = ImmutableList.copyOf(prologRule.evaluate(cd, opts));
} else {
// No rules were provided as input and we have no rules.pl. This means we are supposed to run
// the default rules. Nowadays, the default rules are implemented in Java, not Prolog.
// Therefore, we call the DefaultRuleEvaluator instead.
records = ImmutableList.copyOf(defaultSubmitRule.evaluate(cd, opts));
}
List<TestSubmitRuleInfo> out = Lists.newArrayListWithCapacity(records.size());
AccountLoader accounts = accountInfoFactory.create(true);
for (SubmitRecord r : records) {
out.add(newSubmitRuleInfo(r, accounts));
}
accounts.fill();
return out;
}
private static TestSubmitRuleInfo newSubmitRuleInfo(SubmitRecord r, AccountLoader accounts) {
TestSubmitRuleInfo info = new TestSubmitRuleInfo();
info.status = r.status.name();
info.errorMessage = r.errorMessage;
if (r.labels != null) {
for (SubmitRecord.Label n : r.labels) {
AccountInfo who = n.appliedBy != null ? accounts.get(n.appliedBy) : new AccountInfo(null);
label(info, n, who);
}
}
return info;
}
private static void label(TestSubmitRuleInfo info, SubmitRecord.Label n, AccountInfo who) {
switch (n.status) {
case OK:
if (info.ok == null) {
info.ok = new LinkedHashMap<>();
}
info.ok.put(n.label, who);
break;
case REJECT:
if (info.reject == null) {
info.reject = new LinkedHashMap<>();
}
info.reject.put(n.label, who);
break;
case NEED:
if (info.need == null) {
info.need = new LinkedHashMap<>();
}
info.need.put(n.label, TestSubmitRuleInfo.None.INSTANCE);
break;
case MAY:
if (info.may == null) {
info.may = new LinkedHashMap<>();
}
info.may.put(n.label, who);
break;
case IMPOSSIBLE:
if (info.impossible == null) {
info.impossible = new LinkedHashMap<>();
}
info.impossible.put(n.label, TestSubmitRuleInfo.None.INSTANCE);
break;
}
}
}
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