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/*
* Copyright 2011 gitblit.com.
*
* 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.gitblit.utils;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.reflect.Type;
import java.text.DateFormat;
import java.text.MessageFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import com.gitblit.GitBlit;
import com.gitblit.models.Activity;
import com.gitblit.models.GravatarProfile;
import com.gitblit.models.RefModel;
import com.gitblit.models.RepositoryCommit;
import com.gitblit.models.RepositoryModel;
import com.google.gson.reflect.TypeToken;
/**
* Utility class for building activity information from repositories.
*
* @author James Moger
*
*/
public class ActivityUtils {
/**
* Gets the recent activity from the repositories for the last daysBack days
* on the specified branch.
*
* @param models
* the list of repositories to query
* @param daysBack
* the number of days back from Now to collect
* @param objectId
* the branch to retrieve. If this value is null or empty all
* branches are queried.
* @param timezone
* the timezone for aggregating commits
* @return
*/
public static List<Activity> getRecentActivity(List<RepositoryModel> models, int daysBack,
String objectId, TimeZone timezone) {
// Activity panel shows last daysBack of activity across all
// repositories.
Date thresholdDate = new Date(System.currentTimeMillis() - daysBack * TimeUtils.ONEDAY);
// Build a map of DailyActivity from the available repositories for the
// specified threshold date.
DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
df.setTimeZone(timezone);
Calendar cal = Calendar.getInstance();
cal.setTimeZone(timezone);
Map<String, Activity> activity = new HashMap<String, Activity>();
for (RepositoryModel model : models) {
if (model.maxActivityCommits == -1) {
// skip this repository
continue;
}
if (model.hasCommits && model.lastChange.after(thresholdDate)) {
if (model.isCollectingGarbage) {
continue;
}
Repository repository = GitBlit.self()
.getRepository(model.name);
List<String> branches = new ArrayList<String>();
if (StringUtils.isEmpty(objectId)) {
for (RefModel local : JGitUtils.getLocalBranches(
repository, true, -1)) {
branches.add(local.getName());
}
} else {
branches.add(objectId);
}
Map<ObjectId, List<RefModel>> allRefs = JGitUtils
.getAllRefs(repository, model.showRemoteBranches);
for (String branch : branches) {
String shortName = branch;
if (shortName.startsWith(Constants.R_HEADS)) {
shortName = shortName.substring(Constants.R_HEADS.length());
}
List<RevCommit> commits = JGitUtils.getRevLog(repository,
branch, thresholdDate);
if (model.maxActivityCommits > 0 && commits.size() > model.maxActivityCommits) {
// trim commits to maximum count
commits = commits.subList(0, model.maxActivityCommits);
}
for (RevCommit commit : commits) {
Date date = JGitUtils.getCommitDate(commit);
String dateStr = df.format(date);
if (!activity.containsKey(dateStr)) {
// Normalize the date to midnight
cal.setTime(date);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
activity.put(dateStr, new Activity(cal.getTime()));
}
RepositoryCommit commitModel = activity.get(dateStr)
.addCommit(model.name, shortName, commit);
if (commitModel != null) {
commitModel.setRefs(allRefs.get(commit.getId()));
}
}
}
// close the repository
repository.close();
}
}
List<Activity> recentActivity = new ArrayList<Activity>(activity.values());
return recentActivity;
}
/**
* Returns the Gravatar profile, if available, for the specified email
* address.
*
* @param emailaddress
* @return a Gravatar Profile
* @throws IOException
*/
public static GravatarProfile getGravatarProfileFromAddress(String emailaddress)
throws IOException {
return getGravatarProfile(StringUtils.getMD5(emailaddress.toLowerCase()));
}
/**
* Creates a Gravatar thumbnail url from the specified email address.
*
* @param email
* address to query Gravatar
* @param width
* size of thumbnail. if width <= 0, the default of 50 is used.
* @return
*/
public static String getGravatarThumbnailUrl(String email, int width) {
if (width <= 0) {
width = 50;
}
String emailHash = StringUtils.getMD5(email);
String url = MessageFormat.format(
"https://www.gravatar.com/avatar/{0}?s={1,number,0}&d=identicon", emailHash, width);
return url;
}
/**
* Returns the Gravatar profile, if available, for the specified hashcode.
* address.
*
* @param hash
* the hash of the email address
* @return a Gravatar Profile
* @throws IOException
*/
public static GravatarProfile getGravatarProfile(String hash) throws IOException {
String url = MessageFormat.format("https://www.gravatar.com/{0}.json", hash);
// Gravatar has a complex json structure
Type profileType = new TypeToken<Map<String, List<GravatarProfile>>>() {
}.getType();
Map<String, List<GravatarProfile>> profiles = null;
try {
profiles = JsonUtils.retrieveJson(url, profileType);
} catch (FileNotFoundException e) {
}
if (profiles == null || profiles.size() == 0) {
return null;
}
// due to the complex json structure we need to pull out the profile
// from a list 2 levels deep
GravatarProfile profile = profiles.values().iterator().next().get(0);
return profile;
}
}
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