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// Copyright (C) 2009 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.httpd.rpc.patch;
import com.google.gerrit.common.data.CommentDetail;
import com.google.gerrit.httpd.rpc.Handler;
import com.google.gerrit.reviewdb.Account;
import com.google.gerrit.reviewdb.Change;
import com.google.gerrit.reviewdb.Patch;
import com.google.gerrit.reviewdb.PatchLineComment;
import com.google.gerrit.reviewdb.PatchSet;
import com.google.gerrit.reviewdb.ReviewDb;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.AccountInfoCacheFactory;
import com.google.gerrit.server.config.Nullable;
import com.google.gerrit.server.project.ChangeControl;
import com.google.gerrit.server.project.NoSuchChangeException;
import com.google.gwtorm.client.OrmException;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
class CommentDetailFactory extends Handler<CommentDetail> {
interface Factory {
CommentDetailFactory create(Patch.Key patchKey,
@Assisted("patchSetA") PatchSet.Id patchSetA,
@Assisted("patchSetB") PatchSet.Id patchSetB);
}
private final ReviewDb db;
private final ChangeControl.Factory changeControlFactory;
private final AccountInfoCacheFactory aic;
private final Patch.Key patchKey;
private final PatchSet.Id psa;
private final PatchSet.Id psb;
private final PatchSet.Id patchSetId;
private final Change.Id changeId;
@Inject
CommentDetailFactory(final ReviewDb db,
final ChangeControl.Factory changeControlFactory,
final AccountInfoCacheFactory.Factory accountInfoCacheFactory,
@Assisted final Patch.Key patchKey,
@Assisted("patchSetA") @Nullable final PatchSet.Id patchSetA,
@Assisted("patchSetB") final PatchSet.Id patchSetB) {
this.db = db;
this.changeControlFactory = changeControlFactory;
this.aic = accountInfoCacheFactory.create();
this.patchKey = patchKey;
this.psa = patchSetA;
this.psb = patchSetB;
patchSetId = patchKey.getParentKey();
changeId = patchSetId.getParentKey();
}
@Override
public CommentDetail call() throws OrmException, NoSuchChangeException {
validatePatchSetId(psa);
validatePatchSetId(psb);
final ChangeControl control = changeControlFactory.validateFor(changeId);
final String pn = patchKey.getFileName();
final CommentDetail r = new CommentDetail(psa, psb);
final List<Patch> historyList = new ArrayList<Patch>();
final Map<PatchSet.Id, Patch> bySet = new HashMap<PatchSet.Id, Patch>();
for (final PatchSet ps : db.patchSets().byChange(changeId)) {
final Patch p = new Patch(new Patch.Key(ps.getId(), pn));
historyList.add(p);
bySet.put(ps.getId(), p);
}
for (PatchLineComment c : db.patchComments().published(changeId, pn)) {
if (r.include(c)) {
aic.want(c.getAuthor());
}
final PatchSet.Id psId = c.getKey().getParentKey().getParentKey();
final Patch patch = bySet.get(psId);
if (patch != null) {
patch.setCommentCount(patch.getCommentCount() + 1);
}
}
final CurrentUser user = control.getCurrentUser();
if (user instanceof IdentifiedUser) {
final Account.Id me = ((IdentifiedUser) user).getAccountId();
for (PatchLineComment c : db.patchComments().draft(changeId, pn, me)) {
if (r.include(c)) {
aic.want(me);
}
final PatchSet.Id psId = c.getKey().getParentKey().getParentKey();
final Patch patch = bySet.get(psId);
if (patch != null) {
patch.setDraftCount(patch.getDraftCount() + 1);
}
}
}
r.setHistory(historyList);
r.setAccountInfoCache(aic.create());
return r;
}
private void validatePatchSetId(final PatchSet.Id psId)
throws NoSuchChangeException {
if (psId == null) { // OK, means use base;
} else if (changeId.equals(psId.getParentKey())) { // OK, same change;
} else {
throw new NoSuchChangeException(changeId);
}
}
}
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