com.google.gerrit.server.change.ChangeJson Maven / Gradle / Ivy
// Copyright (C) 2012 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.change;
import static com.google.common.collect.ImmutableMap.toImmutableMap;
import static com.google.gerrit.extensions.client.ListChangesOption.ALL_COMMITS;
import static com.google.gerrit.extensions.client.ListChangesOption.ALL_REVISIONS;
import static com.google.gerrit.extensions.client.ListChangesOption.CHANGE_ACTIONS;
import static com.google.gerrit.extensions.client.ListChangesOption.CHECK;
import static com.google.gerrit.extensions.client.ListChangesOption.COMMIT_FOOTERS;
import static com.google.gerrit.extensions.client.ListChangesOption.CURRENT_ACTIONS;
import static com.google.gerrit.extensions.client.ListChangesOption.CURRENT_COMMIT;
import static com.google.gerrit.extensions.client.ListChangesOption.CURRENT_REVISION;
import static com.google.gerrit.extensions.client.ListChangesOption.DETAILED_ACCOUNTS;
import static com.google.gerrit.extensions.client.ListChangesOption.DETAILED_LABELS;
import static com.google.gerrit.extensions.client.ListChangesOption.LABELS;
import static com.google.gerrit.extensions.client.ListChangesOption.MESSAGES;
import static com.google.gerrit.extensions.client.ListChangesOption.REVIEWED;
import static com.google.gerrit.extensions.client.ListChangesOption.REVIEWER_UPDATES;
import static com.google.gerrit.extensions.client.ListChangesOption.SKIP_DIFFSTAT;
import static com.google.gerrit.extensions.client.ListChangesOption.SUBMITTABLE;
import static com.google.gerrit.extensions.client.ListChangesOption.SUBMIT_REQUIREMENTS;
import static com.google.gerrit.extensions.client.ListChangesOption.TRACKING_IDS;
import static com.google.gerrit.server.ChangeMessagesUtil.createChangeMessageInfo;
import static com.google.gerrit.server.util.AttentionSetUtil.additionsOnly;
import static com.google.gerrit.server.util.AttentionSetUtil.removalsOnly;
import static java.util.stream.Collectors.toList;
import com.google.common.base.Joiner;
import com.google.common.base.MoreObjects;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.Address;
import com.google.gerrit.entities.Change;
import com.google.gerrit.entities.ChangeMessage;
import com.google.gerrit.entities.LegacySubmitRequirement;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.entities.PatchSetApproval;
import com.google.gerrit.entities.Project;
import com.google.gerrit.entities.RefNames;
import com.google.gerrit.entities.SubmitRecord;
import com.google.gerrit.entities.SubmitRecord.Status;
import com.google.gerrit.entities.SubmitRequirementResult;
import com.google.gerrit.entities.SubmitTypeRecord;
import com.google.gerrit.exceptions.StorageException;
import com.google.gerrit.extensions.api.changes.FixInput;
import com.google.gerrit.extensions.client.ListChangesOption;
import com.google.gerrit.extensions.client.ReviewerState;
import com.google.gerrit.extensions.common.AccountInfo;
import com.google.gerrit.extensions.common.ApprovalInfo;
import com.google.gerrit.extensions.common.ChangeInfo;
import com.google.gerrit.extensions.common.ChangeMessageInfo;
import com.google.gerrit.extensions.common.LabelInfo;
import com.google.gerrit.extensions.common.LegacySubmitRequirementInfo;
import com.google.gerrit.extensions.common.PluginDefinedInfo;
import com.google.gerrit.extensions.common.ProblemInfo;
import com.google.gerrit.extensions.common.ReviewerUpdateInfo;
import com.google.gerrit.extensions.common.RevisionInfo;
import com.google.gerrit.extensions.common.SubmitRecordInfo;
import com.google.gerrit.extensions.common.SubmitRequirementResultInfo;
import com.google.gerrit.extensions.common.TrackingIdInfo;
import com.google.gerrit.extensions.restapi.Url;
import com.google.gerrit.index.RefState;
import com.google.gerrit.index.query.QueryResult;
import com.google.gerrit.metrics.Description;
import com.google.gerrit.metrics.Description.Units;
import com.google.gerrit.metrics.MetricMaker;
import com.google.gerrit.metrics.Timer0;
import com.google.gerrit.server.ChangeMessagesUtil;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.GpgException;
import com.google.gerrit.server.ReviewerByEmailSet;
import com.google.gerrit.server.ReviewerSet;
import com.google.gerrit.server.ReviewerStatusUpdate;
import com.google.gerrit.server.StarredChangesUtil;
import com.google.gerrit.server.account.AccountInfoComparator;
import com.google.gerrit.server.account.AccountLoader;
import com.google.gerrit.server.cancellation.RequestCancelledException;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.config.TrackingFooters;
import com.google.gerrit.server.index.change.ChangeField;
import com.google.gerrit.server.notedb.ChangeNotes;
import com.google.gerrit.server.notedb.ReviewerStateInternal;
import com.google.gerrit.server.patch.PatchListNotAvailableException;
import com.google.gerrit.server.permissions.ChangePermission;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.project.RemoveReviewerControl;
import com.google.gerrit.server.project.SubmitRuleOptions;
import com.google.gerrit.server.query.change.ChangeData;
import com.google.gerrit.server.query.change.ChangeData.ChangedLines;
import com.google.gerrit.server.util.AttentionSetUtil;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import com.google.inject.assistedinject.Assisted;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.lib.ObjectId;
/**
* Produces {@link ChangeInfo} (which is serialized to JSON afterwards) from {@link ChangeData}.
*
* This is intended to be used on request scope, but may be used for converting multiple {@link
* ChangeData} objects from different sources.
*/
public class ChangeJson {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
public static final SubmitRuleOptions SUBMIT_RULE_OPTIONS_LENIENT =
ChangeField.SUBMIT_RULE_OPTIONS_LENIENT.toBuilder().build();
public static final SubmitRuleOptions SUBMIT_RULE_OPTIONS_STRICT =
ChangeField.SUBMIT_RULE_OPTIONS_STRICT.toBuilder().build();
static final ImmutableSet REQUIRE_LAZY_LOAD =
ImmutableSet.of(
ALL_COMMITS,
ALL_REVISIONS,
CHANGE_ACTIONS,
CHECK,
COMMIT_FOOTERS,
CURRENT_ACTIONS,
CURRENT_COMMIT,
MESSAGES);
@Singleton
public static class Factory {
private final AssistedFactory factory;
@Inject
Factory(AssistedFactory factory) {
this.factory = factory;
}
public ChangeJson noOptions() {
return create(ImmutableSet.of());
}
public ChangeJson create(Iterable options) {
return factory.create(options, Optional.empty());
}
public ChangeJson create(
Iterable options, PluginDefinedInfosFactory pluginDefinedInfosFactory) {
return factory.create(options, Optional.of(pluginDefinedInfosFactory));
}
public ChangeJson create(ListChangesOption first, ListChangesOption... rest) {
return create(Sets.immutableEnumSet(first, rest));
}
}
public interface AssistedFactory {
ChangeJson create(
Iterable options,
Optional pluginDefinedInfosFactory);
}
@Singleton
private static class Metrics {
private final Timer0 toChangeInfoLatency;
private final Timer0 toChangeInfosLatency;
private final Timer0 formatQueryResultsLatency;
@Inject
Metrics(MetricMaker metricMaker) {
toChangeInfoLatency =
metricMaker.newTimer(
"http/server/rest_api/change_json/to_change_info_latency",
new Description("Latency for toChangeInfo invocations in ChangeJson")
.setCumulative()
.setUnit(Units.MILLISECONDS));
toChangeInfosLatency =
metricMaker.newTimer(
"http/server/rest_api/change_json/to_change_infos_latency",
new Description("Latency for toChangeInfos invocations in ChangeJson")
.setCumulative()
.setUnit(Units.MILLISECONDS));
formatQueryResultsLatency =
metricMaker.newTimer(
"http/server/rest_api/change_json/format_query_results_latency",
new Description("Latency for formatQueryResults invocations in ChangeJson")
.setCumulative()
.setUnit(Units.MILLISECONDS));
}
}
private final Provider userProvider;
private final PermissionBackend permissionBackend;
private final ChangeData.Factory changeDataFactory;
private final AccountLoader.Factory accountLoaderFactory;
private final ImmutableSet options;
private final ChangeMessagesUtil cmUtil;
private final Provider checkerProvider;
private final ActionJson actionJson;
private final ChangeNotes.Factory notesFactory;
private final LabelsJson labelsJson;
private final RemoveReviewerControl removeReviewerControl;
private final TrackingFooters trackingFooters;
private final Metrics metrics;
private final RevisionJson revisionJson;
private final Optional pluginDefinedInfosFactory;
private final boolean includeMergeable;
private final boolean lazyLoad;
private final boolean cacheQueryResultsByChangeNum;
private AccountLoader accountLoader;
private FixInput fix;
@Inject
ChangeJson(
Provider user,
PermissionBackend permissionBackend,
ChangeData.Factory cdf,
AccountLoader.Factory ailf,
ChangeMessagesUtil cmUtil,
Provider checkerProvider,
ActionJson actionJson,
ChangeNotes.Factory notesFactory,
LabelsJson labelsJson,
RemoveReviewerControl removeReviewerControl,
TrackingFooters trackingFooters,
Metrics metrics,
RevisionJson.Factory revisionJsonFactory,
@GerritServerConfig Config cfg,
@Assisted Iterable options,
@Assisted Optional pluginDefinedInfosFactory) {
this.userProvider = user;
this.changeDataFactory = cdf;
this.permissionBackend = permissionBackend;
this.accountLoaderFactory = ailf;
this.cmUtil = cmUtil;
this.checkerProvider = checkerProvider;
this.actionJson = actionJson;
this.notesFactory = notesFactory;
this.labelsJson = labelsJson;
this.removeReviewerControl = removeReviewerControl;
this.trackingFooters = trackingFooters;
this.metrics = metrics;
this.revisionJson = revisionJsonFactory.create(options);
this.options = Sets.immutableEnumSet(options);
this.includeMergeable = MergeabilityComputationBehavior.fromConfig(cfg).includeInApi();
this.lazyLoad = containsAnyOf(this.options, REQUIRE_LAZY_LOAD);
this.pluginDefinedInfosFactory = pluginDefinedInfosFactory;
this.cacheQueryResultsByChangeNum =
cfg.getBoolean("index", "cacheQueryResultsByChangeNum", true);
logger.atFine().log("options = %s", options);
}
public ChangeJson fix(FixInput fix) {
this.fix = fix;
return this;
}
public ChangeInfo format(ChangeResource rsrc) {
return format(changeDataFactory.create(rsrc.getNotes()));
}
public ChangeInfo format(Change change) {
return format(changeDataFactory.create(change));
}
public ChangeInfo format(Change change, @Nullable ObjectId metaRevId) {
ChangeNotes notes = notesFactory.createChecked(change.getProject(), change.getId(), metaRevId);
return format(changeDataFactory.create(notes));
}
public ChangeInfo format(ChangeData cd) {
return format(cd, Optional.empty(), true, getPluginInfos(cd));
}
public ChangeInfo format(RevisionResource rsrc) {
ChangeData cd = changeDataFactory.create(rsrc.getNotes());
return format(cd, Optional.of(rsrc.getPatchSet().id()), true, getPluginInfos(cd));
}
public List> format(List> in)
throws PermissionBackendException {
try (Timer0.Context ignored = metrics.formatQueryResultsLatency.start()) {
accountLoader = accountLoaderFactory.create(has(DETAILED_ACCOUNTS));
List> res = new ArrayList<>(in.size());
Map cache = Maps.newHashMapWithExpectedSize(in.size());
ImmutableListMultimap pluginInfosByChange =
getPluginInfos(in.stream().flatMap(e -> e.entities().stream()).collect(toList()));
for (QueryResult r : in) {
List infos = toChangeInfos(r.entities(), cache, pluginInfosByChange);
if (!infos.isEmpty() && r.more()) {
infos.get(infos.size() - 1)._moreChanges = true;
}
res.add(infos);
}
accountLoader.fill();
return res;
}
}
public List format(Collection in) throws PermissionBackendException {
accountLoader = accountLoaderFactory.create(has(DETAILED_ACCOUNTS));
ensureLoaded(in);
List out = new ArrayList<>(in.size());
ImmutableListMultimap pluginInfosByChange = getPluginInfos(in);
for (ChangeData cd : in) {
out.add(format(cd, Optional.empty(), false, pluginInfosByChange.get(cd.getId())));
}
accountLoader.fill();
return out;
}
public ChangeInfo format(Project.NameKey project, Change.Id id) {
return format(project, id, null);
}
public ChangeInfo format(Project.NameKey project, Change.Id id, @Nullable ObjectId metaRevId) {
ChangeNotes notes;
try {
notes = notesFactory.createChecked(project, id, metaRevId);
} catch (StorageException e) {
if (!has(CHECK)) {
throw e;
}
return checkOnly(changeDataFactory.create(project, id));
}
ChangeData cd = changeDataFactory.create(notes);
return format(cd, Optional.empty(), true, getPluginInfos(cd));
}
private static Collection requirementsFor(ChangeData cd) {
Collection reqInfos = new ArrayList<>();
for (SubmitRecord submitRecord : cd.submitRecords(SUBMIT_RULE_OPTIONS_STRICT)) {
if (submitRecord.requirements == null) {
continue;
}
for (LegacySubmitRequirement requirement : submitRecord.requirements) {
reqInfos.add(requirementToInfo(requirement, submitRecord.status));
}
}
return reqInfos;
}
private Collection submitRecordsFor(ChangeData cd) {
List submitRecordInfos = new ArrayList<>();
for (SubmitRecord record : cd.submitRecords(SUBMIT_RULE_OPTIONS_STRICT)) {
submitRecordInfos.add(submitRecordToInfo(record));
}
return submitRecordInfos;
}
private Collection submitRequirementsFor(ChangeData cd) {
Collection reqInfos = new ArrayList<>();
cd.submitRequirementsIncludingLegacy().entrySet().stream()
.filter(entry -> !entry.getValue().isHidden())
.forEach(
entry -> reqInfos.add(SubmitRequirementsJson.toInfo(entry.getKey(), entry.getValue())));
return reqInfos;
}
private static LegacySubmitRequirementInfo requirementToInfo(
LegacySubmitRequirement req, Status status) {
return new LegacySubmitRequirementInfo(status.name(), req.fallbackText(), req.type());
}
private SubmitRecordInfo submitRecordToInfo(SubmitRecord record) {
SubmitRecordInfo info = new SubmitRecordInfo();
if (record.status != null) {
info.status = SubmitRecordInfo.Status.valueOf(record.status.name());
}
info.ruleName = record.ruleName;
info.errorMessage = record.errorMessage;
if (record.labels != null) {
info.labels = new ArrayList<>();
for (SubmitRecord.Label label : record.labels) {
SubmitRecordInfo.Label labelInfo = new SubmitRecordInfo.Label();
labelInfo.label = label.label;
if (label.status != null) {
labelInfo.status = SubmitRecordInfo.Label.Status.valueOf(label.status.name());
}
labelInfo.appliedBy = accountLoader.get(label.appliedBy);
info.labels.add(labelInfo);
}
}
if (record.requirements != null) {
info.requirements = new ArrayList<>();
for (LegacySubmitRequirement requirement : record.requirements) {
info.requirements.add(requirementToInfo(requirement, record.status));
}
}
return info;
}
private static void finish(ChangeInfo info) {
info.id =
Joiner.on('~')
.join(Url.encode(info.project), Url.encode(info.branch), Url.encode(info.changeId));
}
private static boolean containsAnyOf(
ImmutableSet set, ImmutableSet toFind) {
return !Sets.intersection(toFind, set).isEmpty();
}
private ChangeInfo format(
ChangeData cd,
Optional limitToPsId,
boolean fillAccountLoader,
List pluginInfosForChange) {
try {
if (fillAccountLoader) {
accountLoader = accountLoaderFactory.create(has(DETAILED_ACCOUNTS));
ChangeInfo res = toChangeInfo(cd, limitToPsId, pluginInfosForChange);
accountLoader.fill();
return res;
}
return toChangeInfo(cd, limitToPsId, pluginInfosForChange);
} catch (PatchListNotAvailableException
| GpgException
| IOException
| PermissionBackendException
| RuntimeException e) {
if (!has(CHECK)) {
Throwables.throwIfInstanceOf(e, StorageException.class);
throw new StorageException(e);
}
return checkOnly(cd);
}
}
private void ensureLoaded(Iterable all) {
if (lazyLoad) {
for (ChangeData cd : all) {
// Mark all ChangeDatas as coming from the index, but allow backfilling data from NoteDb
cd.setStorageConstraint(ChangeData.StorageConstraint.INDEX_PRIMARY_NOTEDB_SECONDARY);
}
ChangeData.ensureChangeLoaded(all);
if (has(ALL_REVISIONS)) {
ChangeData.ensureAllPatchSetsLoaded(all);
} else if (has(CURRENT_REVISION) || has(MESSAGES)) {
ChangeData.ensureCurrentPatchSetLoaded(all);
}
if (has(REVIEWED) && userProvider.get().isIdentifiedUser()) {
ChangeData.ensureReviewedByLoadedForOpenChanges(all);
}
ChangeData.ensureCurrentApprovalsLoaded(all);
} else {
for (ChangeData cd : all) {
// Mark all ChangeDatas as coming from the index. Disallow using NoteDb
cd.setStorageConstraint(ChangeData.StorageConstraint.INDEX_ONLY);
}
}
}
private boolean has(ListChangesOption option) {
return options.contains(option);
}
private List toChangeInfos(
List changes,
Map cache,
ImmutableListMultimap pluginInfosByChange) {
try (Timer0.Context ignored = metrics.toChangeInfosLatency.start()) {
List changeInfos = new ArrayList<>(changes.size());
for (int i = 0; i < changes.size(); i++) {
// We can only cache and re-use an entity if it's not the last in the list. The last entity
// may later get _moreChanges set. If it was cached or re-used, that setting would propagate
// to the original entity yielding wrong results.
// This problem has two sides where 'last in the list' has to be respected:
// (1) Caching
// (2) Reusing
boolean isCacheable = cacheQueryResultsByChangeNum && (i != changes.size() - 1);
ChangeData cd = changes.get(i);
ChangeInfo info = cache.get(cd.getId());
if (info != null && isCacheable) {
changeInfos.add(info);
continue;
}
// Compute and cache if possible
try {
ensureLoaded(Collections.singleton(cd));
info = format(cd, Optional.empty(), false, pluginInfosByChange.get(cd.getId()));
changeInfos.add(info);
if (isCacheable) {
cache.put(Change.id(info._number), info);
}
} catch (RuntimeException e) {
Optional requestCancelledException =
RequestCancelledException.getFromCausalChain(e);
if (requestCancelledException.isPresent()) {
throw e;
}
logger.atWarning().withCause(e).log(
"Omitting corrupt change %s from results", cd.getId());
}
}
return changeInfos;
}
}
private ChangeInfo checkOnly(ChangeData cd) {
ChangeNotes notes;
try {
notes = cd.notes();
} catch (StorageException e) {
String msg = "Error loading change";
logger.atWarning().withCause(e).log(msg + " %s", cd.getId());
ChangeInfo info = new ChangeInfo();
info._number = cd.getId().get();
ProblemInfo p = new ProblemInfo();
p.message = msg;
info.problems = Lists.newArrayList(p);
return info;
}
ConsistencyChecker.Result result = checkerProvider.get().check(notes, fix);
ChangeInfo info = new ChangeInfo();
Change c = result.change();
if (c != null) {
info.project = c.getProject().get();
info.branch = c.getDest().shortName();
info.topic = c.getTopic();
info.changeId = c.getKey().get();
info.subject = c.getSubject();
info.status = c.getStatus().asChangeStatus();
info.owner = new AccountInfo(c.getOwner().get());
info.setCreated(c.getCreatedOn());
info.setUpdated(c.getLastUpdatedOn());
info._number = c.getId().get();
info.problems = result.problems();
info.isPrivate = c.isPrivate() ? true : null;
info.workInProgress = c.isWorkInProgress() ? true : null;
info.hasReviewStarted = c.hasReviewStarted();
finish(info);
} else {
info._number = result.id().get();
info.problems = result.problems();
}
return info;
}
private ChangeInfo toChangeInfo(
ChangeData cd,
Optional limitToPsId,
List pluginInfosForChange)
throws PatchListNotAvailableException, GpgException, PermissionBackendException, IOException {
try (Timer0.Context ignored = metrics.toChangeInfoLatency.start()) {
return toChangeInfoImpl(cd, limitToPsId, pluginInfosForChange);
}
}
private ChangeInfo toChangeInfoImpl(
ChangeData cd, Optional limitToPsId, List pluginInfos)
throws PatchListNotAvailableException, GpgException, PermissionBackendException, IOException {
ChangeInfo out = new ChangeInfo();
CurrentUser user = userProvider.get();
if (has(CHECK)) {
out.problems = checkerProvider.get().check(cd.notes(), fix).problems();
// If any problems were fixed, the ChangeData needs to be reloaded.
for (ProblemInfo p : out.problems) {
if (p.status == ProblemInfo.Status.FIXED) {
cd = changeDataFactory.create(cd.project(), cd.getId());
break;
}
}
}
Change in = cd.change();
out.project = in.getProject().get();
out.branch = in.getDest().shortName();
out.topic = in.getTopic();
if (!cd.attentionSet().isEmpty()) {
out.removedFromAttentionSet =
removalsOnly(cd.attentionSet()).stream()
.collect(
toImmutableMap(
a -> a.account().get(),
a -> AttentionSetUtil.createAttentionSetInfo(a, accountLoader)));
out.attentionSet =
// This filtering should match GetAttentionSet.
additionsOnly(cd.attentionSet()).stream()
.collect(
toImmutableMap(
a -> a.account().get(),
a -> AttentionSetUtil.createAttentionSetInfo(a, accountLoader)));
}
out.assignee = in.getAssignee() != null ? accountLoader.get(in.getAssignee()) : null;
out.hashtags = cd.hashtags();
out.changeId = in.getKey().get();
if (in.isNew()) {
SubmitTypeRecord str = cd.submitTypeRecord();
if (str.isOk()) {
out.submitType = str.type;
}
if (includeMergeable) {
out.mergeable = cd.isMergeable();
}
if (has(SUBMITTABLE)) {
out.submittable = submittable(cd);
}
}
if (!has(SKIP_DIFFSTAT)) {
Optional changedLines = cd.changedLines();
if (changedLines.isPresent()) {
out.insertions = changedLines.get().insertions;
out.deletions = changedLines.get().deletions;
}
}
out.isPrivate = in.isPrivate() ? true : null;
out.workInProgress = in.isWorkInProgress() ? true : null;
out.hasReviewStarted = in.hasReviewStarted();
out.subject = in.getSubject();
out.status = in.getStatus().asChangeStatus();
out.owner = accountLoader.get(in.getOwner());
out.setCreated(in.getCreatedOn());
out.setUpdated(in.getLastUpdatedOn());
out._number = in.getId().get();
out.totalCommentCount = cd.totalCommentCount();
out.unresolvedCommentCount = cd.unresolvedCommentCount();
if (cd.getRefStates() != null) {
String metaName = RefNames.changeMetaRef(cd.getId());
Optional metaState =
cd.getRefStates().values().stream().filter(r -> r.ref().equals(metaName)).findAny();
// metaState should always be there, but it doesn't hurt to be extra careful.
metaState.ifPresent(rs -> out.metaRevId = rs.id().getName());
}
if (user.isIdentifiedUser()) {
Collection stars = cd.stars(user.getAccountId());
out.starred = stars.contains(StarredChangesUtil.DEFAULT_LABEL) ? true : null;
if (!stars.isEmpty()) {
out.stars = stars;
}
}
if (in.isNew() && has(REVIEWED) && user.isIdentifiedUser()) {
out.reviewed = cd.isReviewedBy(user.getAccountId()) ? true : null;
}
out.labels = labelsJson.labelsFor(accountLoader, cd, has(LABELS), has(DETAILED_LABELS));
out.requirements = requirementsFor(cd);
out.submitRecords = submitRecordsFor(cd);
if (has(SUBMIT_REQUIREMENTS)) {
out.submitRequirements = submitRequirementsFor(cd);
}
if (out.labels != null && has(DETAILED_LABELS)) {
// If limited to specific patch sets but not the current patch set, don't
// list permitted labels, since users can't vote on those patch sets.
if (user.isIdentifiedUser()
&& (!limitToPsId.isPresent() || limitToPsId.get().equals(in.currentPatchSetId()))) {
out.permittedLabels =
!cd.change().isAbandoned()
? labelsJson.permittedLabels(user.getAccountId(), cd)
: ImmutableMap.of();
}
}
if (has(LABELS) || has(DETAILED_LABELS)) {
out.reviewers = reviewerMap(cd.reviewers(), cd.reviewersByEmail(), false);
out.pendingReviewers = reviewerMap(cd.pendingReviewers(), cd.pendingReviewersByEmail(), true);
out.removableReviewers = removableReviewers(cd, out);
}
setSubmitter(cd, out);
if (!pluginInfos.isEmpty()) {
out.plugins = pluginInfos;
}
out.revertOf = cd.change().getRevertOf() != null ? cd.change().getRevertOf().get() : null;
out.submissionId = cd.change().getSubmissionId();
out.cherryPickOfChange =
cd.change().getCherryPickOf() != null
? cd.change().getCherryPickOf().changeId().get()
: null;
out.cherryPickOfPatchSet =
cd.change().getCherryPickOf() != null ? cd.change().getCherryPickOf().get() : null;
if (has(REVIEWER_UPDATES)) {
out.reviewerUpdates = reviewerUpdates(cd);
}
boolean needMessages = has(MESSAGES);
boolean needRevisions = has(ALL_REVISIONS) || has(CURRENT_REVISION) || limitToPsId.isPresent();
Map src;
if (needMessages || needRevisions) {
src = loadPatchSets(cd, limitToPsId);
} else {
src = null;
}
if (needMessages) {
out.messages = messages(cd);
}
finish(out);
// This block must come after the ChangeInfo is mostly populated, since
// it will be passed to ActionVisitors as-is.
if (needRevisions) {
out.revisions = revisionJson.getRevisions(accountLoader, cd, src, limitToPsId, out);
if (out.revisions != null) {
for (Map.Entry entry : out.revisions.entrySet()) {
if (entry.getValue().isCurrent) {
out.currentRevision = entry.getKey();
break;
}
}
}
}
if (has(CURRENT_ACTIONS) || has(CHANGE_ACTIONS)) {
actionJson.addChangeActions(out, cd);
}
if (has(TRACKING_IDS)) {
ListMultimap set = trackingFooters.extract(cd.commitFooters());
out.trackingIds =
set.entries().stream()
.map(e -> new TrackingIdInfo(e.getKey(), e.getValue()))
.collect(toList());
}
return out;
}
private Map> reviewerMap(
ReviewerSet reviewers, ReviewerByEmailSet reviewersByEmail, boolean includeRemoved) {
Map> reviewerMap = new HashMap<>();
for (ReviewerStateInternal state : ReviewerStateInternal.values()) {
if (!includeRemoved && state == ReviewerStateInternal.REMOVED) {
continue;
}
Collection reviewersByState = toAccountInfo(reviewers.byState(state));
reviewersByState.addAll(toAccountInfoByEmail(reviewersByEmail.byState(state)));
if (!reviewersByState.isEmpty()) {
reviewerMap.put(state.asReviewerState(), reviewersByState);
}
}
return reviewerMap;
}
private Collection reviewerUpdates(ChangeData cd) {
List reviewerUpdates = cd.reviewerUpdates();
List result = new ArrayList<>(reviewerUpdates.size());
for (ReviewerStatusUpdate c : reviewerUpdates) {
ReviewerUpdateInfo change =
new ReviewerUpdateInfo(
c.date(),
accountLoader.get(c.updatedBy()),
accountLoader.get(c.reviewer()),
c.state().asReviewerState());
result.add(change);
}
return result;
}
private boolean submittable(ChangeData cd) {
return cd.submitRequirementsIncludingLegacy().values().stream()
.allMatch(SubmitRequirementResult::fulfilled);
}
private void setSubmitter(ChangeData cd, ChangeInfo out) {
Optional s = cd.getSubmitApproval();
if (!s.isPresent()) {
return;
}
out.setSubmitted(s.get().granted(), accountLoader.get(s.get().accountId()));
}
private ImmutableList messages(ChangeData cd) {
List messages = cmUtil.byChange(cd.notes());
if (messages.isEmpty()) {
return ImmutableList.of();
}
List result = Lists.newArrayListWithCapacity(messages.size());
for (ChangeMessage message : messages) {
result.add(createChangeMessageInfo(message, accountLoader));
}
return ImmutableList.copyOf(result);
}
private Collection removableReviewers(ChangeData cd, ChangeInfo out)
throws PermissionBackendException {
// Although this is called removableReviewers, this method also determines
// which CCs are removable.
//
// For reviewers, we need to look at each approval, because the reviewer
// should only be considered removable if *all* of their approvals can be
// removed. First, add all reviewers with *any* removable approval to the
// "removable" set. Along the way, if we encounter a non-removable approval,
// add the reviewer to the "fixed" set. Before we return, remove all members
// of "fixed" from "removable", because not all of their approvals can be
// removed.
Collection labels = out.labels.values();
Set fixed = Sets.newHashSetWithExpectedSize(labels.size());
Set removable = new HashSet<>();
// Add all reviewers, which will later be removed if they are in the "fixed" set.
removable.addAll(
out.reviewers.getOrDefault(ReviewerState.REVIEWER, Collections.emptySet()).stream()
.filter(a -> a._accountId != null)
.map(a -> Account.id(a._accountId))
.collect(Collectors.toSet()));
// Check if the user has the permission to remove a reviewer. This means we can bypass the
// testRemoveReviewer check for a specific reviewer in the loop saving potentially many
// permission checks.
boolean canRemoveAnyReviewer =
permissionBackend
.user(userProvider.get())
.change(cd)
.test(ChangePermission.REMOVE_REVIEWER);
for (LabelInfo label : labels) {
if (label.all == null) {
continue;
}
for (ApprovalInfo ai : label.all) {
Account.Id id = Account.id(ai._accountId);
if (!canRemoveAnyReviewer
&& !removeReviewerControl.testRemoveReviewer(
cd, userProvider.get(), id, MoreObjects.firstNonNull(ai.value, 0))) {
fixed.add(id);
}
}
}
// CCs are simpler than reviewers. They are removable if the ChangeControl
// would permit a non-negative approval by that account to be removed, in
// which case add them to removable. We don't need to add unremovable CCs to
// "fixed" because we only visit each CC once here.
Collection ccs = out.reviewers.get(ReviewerState.CC);
if (ccs != null) {
for (AccountInfo ai : ccs) {
if (ai._accountId != null) {
Account.Id id = Account.id(ai._accountId);
if (canRemoveAnyReviewer
|| removeReviewerControl.testRemoveReviewer(cd, userProvider.get(), id, 0)) {
removable.add(id);
}
}
}
}
// Subtract any reviewers with non-removable approvals from the "removable"
// set. This also subtracts any CCs that for some reason also hold
// unremovable approvals.
removable.removeAll(fixed);
List result = Lists.newArrayListWithCapacity(removable.size());
for (Account.Id id : removable) {
result.add(accountLoader.get(id));
}
// Reviewers added by email are always removable
for (Collection infos : out.reviewers.values()) {
for (AccountInfo info : infos) {
if (info._accountId == null) {
result.add(info);
}
}
}
return result;
}
private Collection toAccountInfo(Collection accounts) {
return accounts.stream()
.map(accountLoader::get)
.sorted(AccountInfoComparator.ORDER_NULLS_FIRST)
.collect(toList());
}
private Collection toAccountInfoByEmail(Collection addresses) {
return addresses.stream()
.map(a -> new AccountInfo(a.name(), a.email()))
.sorted(AccountInfoComparator.ORDER_NULLS_FIRST)
.collect(toList());
}
private Map loadPatchSets(
ChangeData cd, Optional limitToPsId) {
Collection src;
if (has(ALL_REVISIONS) || has(MESSAGES)) {
src = cd.patchSets();
} else {
PatchSet ps;
if (limitToPsId.isPresent()) {
ps = cd.patchSet(limitToPsId.get());
if (ps == null) {
throw new StorageException("missing patch set " + limitToPsId.get());
}
} else {
ps = cd.currentPatchSet();
if (ps == null) {
throw new StorageException("missing current patch set for change " + cd.getId());
}
}
src = Collections.singletonList(ps);
}
Map map = Maps.newHashMapWithExpectedSize(src.size());
for (PatchSet patchSet : src) {
map.put(patchSet.id(), patchSet);
}
return map;
}
private List getPluginInfos(ChangeData cd) {
return getPluginInfos(Collections.singleton(cd)).get(cd.getId());
}
private ImmutableListMultimap getPluginInfos(
Collection cds) {
if (pluginDefinedInfosFactory.isPresent()) {
return pluginDefinedInfosFactory.get().createPluginDefinedInfos(cds);
}
return ImmutableListMultimap.of();
}
}