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com.google.gerrit.server.account.GeneralPreferencesLoader Maven / Gradle / Ivy
// Copyright (C) 2015 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.account;
import static com.google.gerrit.server.config.ConfigUtil.loadSection;
import static com.google.gerrit.server.config.ConfigUtil.skipField;
import static com.google.gerrit.server.git.UserConfigSections.CHANGE_TABLE;
import static com.google.gerrit.server.git.UserConfigSections.CHANGE_TABLE_COLUMN;
import static com.google.gerrit.server.git.UserConfigSections.KEY_ID;
import static com.google.gerrit.server.git.UserConfigSections.KEY_MATCH;
import static com.google.gerrit.server.git.UserConfigSections.KEY_TARGET;
import static com.google.gerrit.server.git.UserConfigSections.KEY_TOKEN;
import static com.google.gerrit.server.git.UserConfigSections.KEY_URL;
import static com.google.gerrit.server.git.UserConfigSections.URL_ALIAS;
import com.google.common.base.Strings;
import com.google.common.collect.Lists;
import com.google.gerrit.extensions.client.GeneralPreferencesInfo;
import com.google.gerrit.extensions.client.MenuItem;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.server.config.AllUsersName;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.git.UserConfigSections;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.errors.RepositoryNotFoundException;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.lib.Repository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Singleton
public class GeneralPreferencesLoader {
private static final Logger log = LoggerFactory.getLogger(GeneralPreferencesLoader.class);
private final GitRepositoryManager gitMgr;
private final AllUsersName allUsersName;
@Inject
public GeneralPreferencesLoader(GitRepositoryManager gitMgr, AllUsersName allUsersName) {
this.gitMgr = gitMgr;
this.allUsersName = allUsersName;
}
public GeneralPreferencesInfo load(Account.Id id)
throws IOException, ConfigInvalidException, RepositoryNotFoundException {
return read(id, null);
}
public GeneralPreferencesInfo merge(Account.Id id, GeneralPreferencesInfo in)
throws IOException, ConfigInvalidException, RepositoryNotFoundException {
return read(id, in);
}
private GeneralPreferencesInfo read(Account.Id id, GeneralPreferencesInfo in)
throws IOException, ConfigInvalidException, RepositoryNotFoundException {
try (Repository allUsers = gitMgr.openRepository(allUsersName)) {
// Load all users default prefs
VersionedAccountPreferences dp = VersionedAccountPreferences.forDefault();
dp.load(allUsers);
// Load user prefs
VersionedAccountPreferences p = VersionedAccountPreferences.forUser(id);
p.load(allUsers);
GeneralPreferencesInfo r =
loadSection(
p.getConfig(),
UserConfigSections.GENERAL,
null,
new GeneralPreferencesInfo(),
readDefaultsFromGit(dp.getConfig(), in),
in);
loadChangeTableColumns(r, p, dp);
return loadMyMenusAndUrlAliases(r, p, dp);
}
}
public GeneralPreferencesInfo readDefaultsFromGit(Repository git, GeneralPreferencesInfo in)
throws ConfigInvalidException, IOException {
VersionedAccountPreferences dp = VersionedAccountPreferences.forDefault();
dp.load(git);
return readDefaultsFromGit(dp.getConfig(), in);
}
private GeneralPreferencesInfo readDefaultsFromGit(Config config, GeneralPreferencesInfo in)
throws ConfigInvalidException {
GeneralPreferencesInfo allUserPrefs = new GeneralPreferencesInfo();
loadSection(
config,
UserConfigSections.GENERAL,
null,
allUserPrefs,
GeneralPreferencesInfo.defaults(),
in);
return updateDefaults(allUserPrefs);
}
private GeneralPreferencesInfo updateDefaults(GeneralPreferencesInfo input) {
GeneralPreferencesInfo result = GeneralPreferencesInfo.defaults();
try {
for (Field field : input.getClass().getDeclaredFields()) {
if (skipField(field)) {
continue;
}
Object newVal = field.get(input);
if (newVal != null) {
field.set(result, newVal);
}
}
} catch (IllegalAccessException e) {
log.error("Cannot get default general preferences from " + allUsersName.get(), e);
return GeneralPreferencesInfo.defaults();
}
return result;
}
public GeneralPreferencesInfo loadMyMenusAndUrlAliases(
GeneralPreferencesInfo r, VersionedAccountPreferences v, VersionedAccountPreferences d) {
r.my = my(v);
if (r.my.isEmpty() && !v.isDefaults()) {
r.my = my(d);
}
if (r.my.isEmpty()) {
r.my.add(new MenuItem("Changes", "#/dashboard/self", null));
r.my.add(new MenuItem("Drafts", "#/q/owner:self+is:draft", null));
r.my.add(new MenuItem("Draft Comments", "#/q/has:draft", null));
r.my.add(new MenuItem("Edits", "#/q/has:edit", null));
r.my.add(new MenuItem("Watched Changes", "#/q/is:watched+is:open", null));
r.my.add(new MenuItem("Starred Changes", "#/q/is:starred", null));
r.my.add(new MenuItem("Groups", "#/groups/self", null));
}
r.urlAliases = urlAliases(v);
if (r.urlAliases == null && !v.isDefaults()) {
r.urlAliases = urlAliases(d);
}
return r;
}
private static List my(VersionedAccountPreferences v) {
List my = new ArrayList<>();
Config cfg = v.getConfig();
for (String subsection : cfg.getSubsections(UserConfigSections.MY)) {
String url = my(cfg, subsection, KEY_URL, "#/");
String target = my(cfg, subsection, KEY_TARGET, url.startsWith("#") ? null : "_blank");
my.add(new MenuItem(subsection, url, target, my(cfg, subsection, KEY_ID, null)));
}
return my;
}
private static String my(Config cfg, String subsection, String key, String defaultValue) {
String val = cfg.getString(UserConfigSections.MY, subsection, key);
return !Strings.isNullOrEmpty(val) ? val : defaultValue;
}
public GeneralPreferencesInfo loadChangeTableColumns(
GeneralPreferencesInfo r, VersionedAccountPreferences v, VersionedAccountPreferences d) {
r.changeTable = changeTable(v);
if (r.changeTable.isEmpty() && !v.isDefaults()) {
r.changeTable = changeTable(d);
}
return r;
}
private static List changeTable(VersionedAccountPreferences v) {
return Lists.newArrayList(v.getConfig().getStringList(CHANGE_TABLE, null, CHANGE_TABLE_COLUMN));
}
private static Map urlAliases(VersionedAccountPreferences v) {
HashMap urlAliases = new HashMap<>();
Config cfg = v.getConfig();
for (String subsection : cfg.getSubsections(URL_ALIAS)) {
urlAliases.put(
cfg.getString(URL_ALIAS, subsection, KEY_MATCH),
cfg.getString(URL_ALIAS, subsection, KEY_TOKEN));
}
return !urlAliases.isEmpty() ? urlAliases : null;
}
}
