# GroupsReportsBuilder.java

    /*
    ** Module   : GroupsReportsBuilder.java
    ** Abstract : GroupsReportsBuilder is a PDF report builder to produce Group Accounts reports.
    **
    ** Copyright (c) 2017, Golden Code Development Corporation.
    **
    ** -#- -I- --Date-- ----------------Description----------------------
    ** 001 SBI 20170601 Created initial version.
    */
    /*
    ** This program is free software: you can redistribute it and/or modify
    ** it under the terms of the GNU Affero General Public License as
    ** published by the Free Software Foundation, either version 3 of the
    ** License, or (at your option) any later version.
    **
    ** This program is distributed in the hope that it will be useful,
    ** but WITHOUT ANY WARRANTY; without even the implied warranty of
    ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    ** GNU Affero General Public License for more details.
    **
    ** You may find a copy of the GNU Affero GPL version 3 at the following
    ** location: https://www.gnu.org/licenses/agpl-3.0.en.html
    **
    ** Additional terms under GNU Affero GPL version 3 section 7:
    **
    **   Under Section 7 of the GNU Affero GPL version 3, the following additional
    **   terms apply to the works covered under the License.  These additional terms
    **   are non-permissive additional terms allowed under Section 7 of the GNU
    **   Affero GPL version 3 and may not be removed by you.
    **
    **   0. Attribution Requirement.
    **
    **     You must preserve all legal notices or author attributions in the covered
    **     work or Appropriate Legal Notices displayed by works containing the covered
    **     work.  You may not remove from the covered work any author or developer
    **     credit already included within the covered work.
    **
    **   1. No License To Use Trademarks.
    **
    **     This license does not grant any license or rights to use the trademarks
    **     Golden Code, FWD, any Golden Code or FWD logo, or any other trademarks
    **     of Golden Code Development Corporation. You are not authorized to use the
    **     name Golden Code, FWD, or the names of any author or contributor, for
    **     publicity purposes without written authorization.
    **
    **   2. No Misrepresentation of Affiliation.
    **
    **     You may not represent yourself as Golden Code Development Corporation or FWD.
    **
    **     You may not represent yourself for publicity purposes as associated with
    **     Golden Code Development Corporation, FWD, or any author or contributor to
    **     the covered work, without written authorization.
    **
    **   3. No Misrepresentation of Source or Origin.
    **
    **     You may not represent the covered work as solely your work.  All modified
    **     versions of the covered work must be marked in a reasonable way to make it
    **     clear that the modified work is not originating from Golden Code Development
    **     Corporation or FWD.  All modified versions must contain the notices of
    **     attribution required in this license.
    */

    package com.goldencode.p2j.admin.server.reports;

    import java.util.ArrayList;
    import java.util.Arrays;
    import java.util.List;
    import java.util.Map;
    import java.util.stream.Stream;

    import com.goldencode.p2j.admin.AdminServerImpl;
    import com.goldencode.p2j.admin.TaggedName;
    import com.goldencode.p2j.admin.shared.ReportRequest;
    import com.goldencode.p2j.admin.shared.Reports;

    /**
     * GroupsReportsBuilder is a PDF report builder to produce Group Accounts reports.
     */
    class GroupsReportsBuilder
    extends AccountsReportBuilder<Map.Entry<TaggedName, TaggedName[]>>
    {

       /**
        * Creates the groups reports builder.
        *
        * @param    request
        *           The report request
        */
       public GroupsReportsBuilder(ReportRequest request)
       {
          super(Reports.GROUPS.name(),
                request.getFilter(),
                request.getSelectedRows(),
                request.getReportParameters());
       }

       /**
        * Gets the report data stream.
        *
        * @return   The report data stream
        */
       @Override
       protected Stream<Map.Entry<TaggedName, TaggedName[]>> getDataStream()
       {
          TaggedName[] groups = AdminServerImpl.listGroups();

          Stream<TaggedName> data;

          if (hasSelectedRows())
          {
             data = getSelectionStream(groups);
          }
          else
          {
             data = Arrays.asList(groups).stream();
          }

          return data.<Map.Entry<TaggedName, TaggedName[]>>map(group -> {
             TaggedName[] groupUsers = AdminServerImpl.listGroupUsers(group.getName());
             return new Map.Entry<TaggedName, TaggedName[]>()
             {

                @Override
                public TaggedName getKey()
                {
                   return group;
                }

                @Override
                public TaggedName[] getValue()
                {
                   return groupUsers;
                }

                @Override
                public TaggedName[] setValue(TaggedName[] value)
                {
                   return value;
                }
             };
          });
       }

       /**
        * Gets the report column list.
        *
        * @return   The report column list
        */
       @Override
       protected List<AbstractReportBuilder.ColumnInfo<Map.Entry<TaggedName, TaggedName[]>>> getColumns()
       {
          ArrayList<AbstractReportBuilder.ColumnInfo<Map.Entry<TaggedName, TaggedName[]>>> columns = new ArrayList<>();

          columns.add(new ColumnInfo<Map.Entry<TaggedName, TaggedName[]>>("Group ID", entry -> {
             return entry.getKey().getName();
          }));
          columns.add(new ColumnInfo<Map.Entry<TaggedName, TaggedName[]>>("Description", entry -> {
             return entry.getKey().getTag();
          }));
          columns.add(new ColumnInfo<Map.Entry<TaggedName, TaggedName[]>>("User ID", entry -> {
             if (entry.getValue() == null)
             {
                return "*** error ***";
             }

             ArrayList<String> uids = new ArrayList<String>(entry.getValue().length);
             Arrays.asList(entry.getValue()).forEach(group -> { uids.add(group.getName());});

             return uids.toString();
          }));
          columns.add(new ColumnInfo<Map.Entry<TaggedName, TaggedName[]>>("Person", entry -> {
             if (entry.getValue() == null)
             {
                return "*** error ***";
             }

             ArrayList<String> pids = new ArrayList<String>(entry.getValue().length);
             Arrays.asList(entry.getValue()).forEach(group -> { pids.add(group.getTag());});

             return pids.toString();
          }));

          return columns;
       }
    }