content: package org.apache.archiva.rss.processor;
  
  /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  
  import com.rometools.rome.feed.synd.SyndFeed;
  import com.rometools.rome.io.FeedException;
  import org.apache.archiva.metadata.model.ArtifactMetadata;
  import org.apache.archiva.metadata.repository.MetadataRepositoryException;
  import org.apache.archiva.metadata.repository.RepositorySession;
  import org.apache.archiva.metadata.repository.RepositorySessionFactory;
  import org.apache.archiva.rss.RssFeedEntry;
  import org.apache.archiva.rss.RssFeedGenerator;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.stereotype.Service;
  
  import javax.inject.Inject;
  import java.time.ZonedDateTime;
  import java.time.temporal.ChronoUnit;
  import java.util.ArrayList;
  import java.util.Date;
  import java.util.List;
  import java.util.Map;
  import java.util.TimeZone;
  
  /**
   * Retrieve and process all artifacts of a repository from the database and generate a rss feed.
   * The artifacts will be grouped by the date when the artifacts were gathered.
   * Each group will appear as one entry in the feed.
   *
   */
  @Service("rssFeedProcessor#new-artifacts")
  public class NewArtifactsRssFeedProcessor
      extends AbstractArtifactsRssFeedProcessor
  {
      private int numberOfDaysBeforeNow = 30;
  
      private static final String title = "New Artifacts in Repository ";
  
      private static final String desc = "These are the new artifacts found in the repository ";
  
      /**
       *
       */
      @Inject
      private RssFeedGenerator generator;
  
      @Inject
      private RepositorySessionFactory repositorySessionFactory;
  
  
      private Logger log = LoggerFactory.getLogger( NewArtifactsRssFeedProcessor.class );
  
  
      /**
       * Process the newly discovered artifacts in the repository. Generate feeds for new artifacts in the repository and
       * new versions of artifact.
       */
      @Override
      public SyndFeed process( Map<String, String> reqParams )
          throws FeedException
      {
          log.debug( "Process new artifacts into rss feeds." );
  
          String repoId = reqParams.get( RssFeedProcessor.KEY_REPO_ID );
          if ( repoId != null )
          {
              return processNewArtifactsInRepo( repoId );
          }
  
          return null;
      }
  
      private SyndFeed processNewArtifactsInRepo( String repoId )
          throws FeedException
      {
  
          ZonedDateTime greaterThanThisDate = ZonedDateTime.now().minusDays(
                  getNumberOfDaysBeforeNow()
          ).truncatedTo(ChronoUnit.SECONDS);
          List<ArtifactMetadata> artifacts;
          try(RepositorySession session = repositorySessionFactory.createSession())
          {
              artifacts = session.getRepository().getArtifactsByDateRange(session , repoId, greaterThanThisDate, null );
          }
          catch ( MetadataRepositoryException e )
          {
              throw new FeedException( "Unable to construct feed, metadata could not be retrieved: " + e.getMessage(),
                                       e );
          }
  
          long tmp = 0;
          RssFeedEntry entry = null;
          List<RssFeedEntry> entries = new ArrayList<>();
          String description = "";
          int idx = 0;
          for ( ArtifactMetadata artifact : artifacts )
          {
              long whenGathered = artifact.getWhenGathered().toInstant().toEpochMilli();
  
              String id = artifact.getNamespace() + "/" + artifact.getProject() + "/" + artifact.getId();
              if ( tmp != whenGathered )
              {
                  if ( entry != null )
                  {
                      entry.setDescription( description );
                      entries.add( entry );
                      entry = null;
                  }
  
                  String repoId1 = artifact.getRepositoryId();
                  entry = new RssFeedEntry( this.getTitle() + "\'" + repoId1 + "\'" + " as of " + new Date(
                      whenGathered ) );
                  entry.setPublishedDate( Date.from(artifact.getWhenGathered().toInstant()) );
                  description = this.getDescription() + "\'" + repoId1 + "\'" + ": \n" + id + " | ";
              }
              else
              {
                  description = description + id + " | ";
              }
  
              if ( idx == ( artifacts.size() - 1 ) )
              {
                  entry.setDescription( description );
                  entries.add( entry );
              }
  
              tmp = whenGathered;
              idx++;
          }
  
          return generator.generateFeed( getTitle() + "\'" + repoId + "\'",
                                         "New artifacts found in repository " + "\'" + repoId + "\'" +
                                             " during repository scan.", entries );
      }
  
      @Override
      public String getTitle()
      {
          return title;
      }
  
      @Override
      public String getDescription()
      {
          return desc;
      }
  
      public RssFeedGenerator getGenerator()
      {
          return generator;
      }
  
      public void setGenerator( RssFeedGenerator generator )
      {
          this.generator = generator;
      }
  
      public int getNumberOfDaysBeforeNow()
      {
          return numberOfDaysBeforeNow;
      }
  
      public void setNumberOfDaysBeforeNow( int numberOfDaysBeforeNow )
      {
          this.numberOfDaysBeforeNow = numberOfDaysBeforeNow;
      }
  
      public RepositorySessionFactory getRepositorySessionFactory( )
      {
          return repositorySessionFactory;
      }
  
      public void setRepositorySessionFactory( RepositorySessionFactory repositorySessionFactory )
      {
          this.repositorySessionFactory = repositorySessionFactory;
      }
  }
  