/*
    * Copyright (c) 2002-2016, Mairie de Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package fr.paris.lutece.plugins.avatarserver.business;
  
  import fr.paris.lutece.portal.service.plugin.Plugin;
  import fr.paris.lutece.util.sql.DAOUtil;
  
  import java.util.ArrayList;
  import java.util.Collection;
  
  /**
   * This class provides Data Access methods for Avatar objects
   */
  public final class AvatarDAO implements IAvatarDAO
  {
      // Constants
      private static final String SQL_QUERY_NEW_PK = "SELECT max( id_avatar ) FROM avatarserver_avatar";
      private static final String SQL_QUERY_SELECT = "SELECT id_avatar, email, mime_type, file_value, hash_email FROM avatarserver_avatar WHERE id_avatar = ?";
      private static final String SQL_QUERY_SELECT_BY_HASH = "SELECT id_avatar, email, mime_type, file_value, hash_email FROM avatarserver_avatar WHERE hash_email = ?";
      private static final String SQL_QUERY_INSERT = "INSERT INTO avatarserver_avatar ( id_avatar, email,mime_type,file_value, hash_email ) VALUES ( ?, ?, ?, ?, ? ) ";
      private static final String SQL_QUERY_DELETE = "DELETE FROM avatarserver_avatar WHERE id_avatar = ? ";
      private static final String SQL_QUERY_UPDATE = "UPDATE avatarserver_avatar SET id_avatar = ?, email = ?, mime_type = ?, file_value = ?, hash_email = ?  WHERE id_avatar = ?";
      private static final String SQL_QUERY_SELECTALL = "SELECT id_avatar, email, mime_type, file_value, hash_email FROM avatarserver_avatar";
  
      /**
       * Generates a new primary key
       *
       * @param plugin
       *            The Plugin
       * @return The new primary key
       */
      public int newPrimaryKey( Plugin plugin )
      {
          DAOUtil daoUtil = new DAOUtil( SQL_QUERY_NEW_PK, plugin );
          daoUtil.executeQuery( );
  
          int nKey = 1;
  
          if ( daoUtil.next( ) )
          {
              nKey = daoUtil.getInt( 1 ) + 1;
          }
  
          daoUtil.free( );
  
          return nKey;
      }
  
      /**
       * {@inheritDoc }
       */
      @Override
      public void insert( Avatar avatar, Plugin plugin )
      {
          DAOUtil daoUtil = new DAOUtil( SQL_QUERY_INSERT, plugin );
          avatar.setId( newPrimaryKey( plugin ) );
          daoUtil.setInt( 1, avatar.getId( ) );
          daoUtil.setString( 2, avatar.getEmail( ) );
          daoUtil.setString( 3, avatar.getMimeType( ) );
          daoUtil.setBytes( 4, avatar.getValue( ) );
          daoUtil.setString( 5, avatar.getHash( ) );
          daoUtil.executeUpdate( );
          daoUtil.free( );
      }
  
      /**
       * {@inheritDoc }
       */
     @Override
     public Avatar load( int nKey, Plugin plugin )
     {
         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECT, plugin );
         daoUtil.setInt( 1, nKey );
         daoUtil.executeQuery( );
 
         Avatar avatar = null;
 
         if ( daoUtil.next( ) )
         {
             avatar = new Avatar( );
             avatar.setId( daoUtil.getInt( 1 ) );
             avatar.setEmail( daoUtil.getString( 2 ) );
             avatar.setMimeType( daoUtil.getString( 3 ) );
             avatar.setValue( daoUtil.getBytes( 4 ) );
             avatar.setHash( daoUtil.getString( 5 ) );
         }
 
         daoUtil.free( );
 
         return avatar;
     }
 
     /**
      * {@inheritDoc }
      */
     @Override
     public void delete( int nAvatarId, Plugin plugin )
     {
         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_DELETE, plugin );
         daoUtil.setInt( 1, nAvatarId );
         daoUtil.executeUpdate( );
         daoUtil.free( );
     }
 
     /**
      * {@inheritDoc }
      */
     @Override
     public void store( Avatar avatar, Plugin plugin )
     {
         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_UPDATE, plugin );
         daoUtil.setInt( 1, avatar.getId( ) );
         daoUtil.setString( 2, avatar.getEmail( ) );
         daoUtil.setString( 3, avatar.getMimeType( ) );
         daoUtil.setBytes( 4, avatar.getValue( ) );
         daoUtil.setString( 5, avatar.getHash( ) );
         daoUtil.setInt( 6, avatar.getId( ) );
         daoUtil.executeUpdate( );
         daoUtil.free( );
     }
 
     /**
      * {@inheritDoc }
      */
     @Override
     public Collection<Avatar> selectAvatarsList( Plugin plugin )
     {
         Collection<Avatar> avatarList = new ArrayList<Avatar>( );
         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECTALL, plugin );
         daoUtil.executeQuery( );
 
         while ( daoUtil.next( ) )
         {
             Avatar avatar = new Avatar( );
 
             avatar.setId( daoUtil.getInt( 1 ) );
             avatar.setEmail( daoUtil.getString( 2 ) );
             avatar.setMimeType( daoUtil.getString( 3 ) );
             avatar.setValue( daoUtil.getBytes( 4 ) );
             avatar.setHash( daoUtil.getString( 5 ) );
 
             avatarList.add( avatar );
         }
 
         daoUtil.free( );
 
         return avatarList;
     }
 
     /**
      * {@inheritDoc }
      */
     @Override
     public Avatar selectByHash( String strHash, Plugin plugin )
     {
         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECT_BY_HASH, plugin );
         daoUtil.setString( 1, strHash );
         daoUtil.executeQuery( );
 
         Avatar avatar = null;
 
         if ( daoUtil.next( ) )
         {
             avatar = new Avatar( );
             avatar.setId( daoUtil.getInt( 1 ) );
             avatar.setEmail( daoUtil.getString( 2 ) );
             avatar.setMimeType( daoUtil.getString( 3 ) );
             avatar.setValue( daoUtil.getBytes( 4 ) );
             avatar.setHash( daoUtil.getString( 5 ) );
         }
 
         daoUtil.free( );
 
         return avatar;
     }
 }