Part 2 of building user information (See getGroupInfo.groovy for instructions)

buildGroupMatrix.groovy

import groovy.json.*

def slurper = new JsonSlurper()
slurper.setType(JsonParserType.INDEX_OVERLAY);

def groupDir = '.' as File
def output = 'matrix.txt' as File

def users = new TreeMap();
def userGroups = new HashMap();
def allGroups = new TreeSet();

groupDir.list({d, f-> f ==~ /.*.json/ } as FilenameFilter).each{jsonFile ->
    def data = slurper.parse(new File(groupDir, jsonFile))
    def groupName = data.authorizableId;
    if (data.members && data.members.size() > 0) {
        allGroups += groupName;
    }
    data.members.each{user ->
        def userName = user.authorizableId;
        if (!users.containsKey(userName)) {
            userGroups[userName] = new HashSet();
            users[userName] = user;
        }
        userGroups[userName] += groupName;
    }
}

FileWriter fileWriter = new FileWriter(output, false)
BufferedWriter buffWriter = new BufferedWriter(fileWriter)

buffWriter.write("User\tHome\tCount")
allGroups.each{buffWriter.write("\t${it}")}
users.each{userName,userObject ->
    def groups = userGroups[userName]
    buffWriter.write("\n${userName}\t${userObject.home}\t${groups.size()}")
    allGroups.each{
        buffWriter.write("\t${groups.contains(it)?'X':''}")
    }
}
buffWriter.flush()
buffWriter.close()
""