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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.account;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.exceptions.DuplicateKeyException;
import com.google.gerrit.exceptions.StorageException;
import com.google.gerrit.extensions.common.Input;
import com.google.gerrit.extensions.registration.DynamicMap;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.ChildCollection;
import com.google.gerrit.extensions.restapi.IdString;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.RestCollectionCreateView;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.extensions.restapi.RestReadView;
import com.google.gerrit.extensions.restapi.RestView;
import com.google.gerrit.extensions.restapi.TopLevelResource;
import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.StarredChangesUtil;
import com.google.gerrit.server.StarredChangesUtil.IllegalLabelException;
import com.google.gerrit.server.StarredChangesUtil.MutuallyExclusiveLabelsException;
import com.google.gerrit.server.account.AccountResource;
import com.google.gerrit.server.change.ChangeResource;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.restapi.change.ChangesCollection;
import com.google.gerrit.server.restapi.change.QueryChanges;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.IOException;
@Singleton
public class StarredChanges
implements ChildCollection<AccountResource, AccountResource.StarredChange> {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private final ChangesCollection changes;
private final DynamicMap<RestView<AccountResource.StarredChange>> views;
private final StarredChangesUtil starredChangesUtil;
@Inject
StarredChanges(
ChangesCollection changes,
DynamicMap<RestView<AccountResource.StarredChange>> views,
StarredChangesUtil starredChangesUtil) {
this.changes = changes;
this.views = views;
this.starredChangesUtil = starredChangesUtil;
}
@Override
public AccountResource.StarredChange parse(AccountResource parent, IdString id)
throws RestApiException, PermissionBackendException, IOException {
IdentifiedUser user = parent.getUser();
ChangeResource change = changes.parse(TopLevelResource.INSTANCE, id);
if (starredChangesUtil
.getLabels(user.getAccountId(), change.getId())
.contains(StarredChangesUtil.DEFAULT_LABEL)) {
return new AccountResource.StarredChange(user, change);
}
throw new ResourceNotFoundException(id);
}
@Override
public DynamicMap<RestView<AccountResource.StarredChange>> views() {
return views;
}
@Override
public RestView<AccountResource> list() throws ResourceNotFoundException {
return (RestReadView<AccountResource>)
self -> {
QueryChanges query = changes.list();
query.addQuery("has:star");
return query.apply(TopLevelResource.INSTANCE);
};
}
@Singleton
public static class Create
implements RestCollectionCreateView<AccountResource, AccountResource.StarredChange, Input> {
private final Provider<CurrentUser> self;
private final ChangesCollection changes;
private final StarredChangesUtil starredChangesUtil;
@Inject
Create(
Provider<CurrentUser> self,
ChangesCollection changes,
StarredChangesUtil starredChangesUtil) {
this.self = self;
this.changes = changes;
this.starredChangesUtil = starredChangesUtil;
}
@Override
public Response<?> apply(AccountResource rsrc, IdString id, Input in)
throws RestApiException, IOException {
if (!self.get().hasSameAccountId(rsrc.getUser())) {
throw new AuthException("not allowed to add starred change");
}
ChangeResource change;
try {
change = changes.parse(TopLevelResource.INSTANCE, id);
} catch (ResourceNotFoundException e) {
throw new UnprocessableEntityException(String.format("change %s not found", id.get()), e);
} catch (StorageException | PermissionBackendException | IOException e) {
logger.atSevere().withCause(e).log("cannot resolve change");
throw new UnprocessableEntityException("internal server error", e);
}
try {
starredChangesUtil.star(
self.get().getAccountId(),
change.getProject(),
change.getId(),
StarredChangesUtil.Operation.ADD);
} catch (MutuallyExclusiveLabelsException e) {
throw new ResourceConflictException(e.getMessage());
} catch (IllegalLabelException e) {
throw new BadRequestException(e.getMessage());
} catch (DuplicateKeyException e) {
return Response.none();
}
return Response.none();
}
}
@Singleton
public static class Put implements RestModifyView<AccountResource.StarredChange, Input> {
private final Provider<CurrentUser> self;
@Inject
Put(Provider<CurrentUser> self) {
this.self = self;
}
@Override
public Response<?> apply(AccountResource.StarredChange rsrc, Input in) throws AuthException {
if (!self.get().hasSameAccountId(rsrc.getUser())) {
throw new AuthException("not allowed update starred changes");
}
return Response.none();
}
}
@Singleton
public static class Delete implements RestModifyView<AccountResource.StarredChange, Input> {
private final Provider<CurrentUser> self;
private final StarredChangesUtil starredChangesUtil;
@Inject
Delete(Provider<CurrentUser> self, StarredChangesUtil starredChangesUtil) {
this.self = self;
this.starredChangesUtil = starredChangesUtil;
}
@Override
public Response<?> apply(AccountResource.StarredChange rsrc, Input in)
throws AuthException, IOException, IllegalLabelException {
if (!self.get().hasSameAccountId(rsrc.getUser())) {
throw new AuthException("not allowed remove starred change");
}
starredChangesUtil.star(
self.get().getAccountId(),
rsrc.getChange().getProject(),
rsrc.getChange().getId(),
StarredChangesUtil.Operation.REMOVE);
return Response.none();
}
}
}
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