gallery_algorithms.php

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<?php

      /*
      *     This source code is a part of the Ultimix Project. 
      *     It is distributed under BSD license. All other third side source code (like tinyMCE) is distributed under 
      *     it's own license wich could be found from the corresponding files or sources. 
      *     This source code is provided "as is" without any warranties or garanties.
      *
      *     Have a nice day!
      *
      *     @url http://ultimix.sorceforge.net
      *
      *     @author Alexey "gdever" Dodonov
      */

      class gallery_algorithms_1_0_0{
      
            var                           $FileInputAccess = false;
            var                           $GalleryAccess = false;
            var                           $Link = false;
            var                           $Security = false;
            
            function                __construct()
            {
                  try
                  {
                        $this->FileInputAccess = get_package( 'file_input::file_input_access' , 'last' , __FILE__ );
                        $this->GalleryAccess = get_package( 'gallery::gallery_access' , 'last' , __FILE__ );
                        $this->Link = get_package( 'link' , 'last' , __FILE__ );
                        $this->Security = get_package( 'security' , 'last' , __FILE__ );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      
            function                object_exists( $id )
            {
                  try
                  {
                        $id = $this->Security->get( $id , 'integer' );
                        
                        $Records = $this->GalleryAccess->unsafe_select( $this->GalleryAccess->NativeTable.".id = $id" );
                        
                        return( count( $Records ) === 1 );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      
            function                get_by_id( $id )
            {
                  try
                  {
                        $id = $this->Security->get( $id , 'integer' );
                        
                        $Records = $this->GalleryAccess->unsafe_select( $this->GalleryAccess->NativeTable.".id = $id" );
                        
                        if( count( $Records ) == 0 )
                        {
                              throw( new Exception( 'Record was not found' ) );
                        }
                        
                        return( $Records[ 0 ] );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                get_gallery_files( $gid )
            {
                  try
                  {
                        $gid = $this->Security->get( $gid , 'integer' );
                        
                        $Links = $this->Link->get_links( $gid , false , 'gallery' , 'file' );
                        
                        $Ids = get_field_ex( $Links , 'object2_id' );
                        
                        if( isset( $Ids[ 0 ] ) )
                        {
                              return( $this->FileInputAccess->unsafe_select( 'id IN ( '.implode( ',' , $Ids ).' )' ) );
                        }
                        else
                        {
                              return( array() );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                attach_file( $gid , $fid )
            {
                  try
                  {
                        $gid = $this->Security->get( $gid , 'integer' );
                        $fid = $this->Security->get( $fid , 'integer' );

                        $this->Link->create_link( $gid, $fid , 'gallery' , 'file' );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                detach_file( $gid , $fid )
            {
                  try
                  {
                        $gid = $this->Security->get( $gid , 'integer' );
                        $fid = $this->Security->get( $fid , 'integer' );

                        $this->Link->delete_link( $gid, $fid , 'gallery' , 'file' );
                        
                        $FileInputAccess = get_package( 'file_input::file_input_access' , 'last' , __FILE__ );
                        $FileInputAccess->delete( $fid );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      }

?>