system_structure_access.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 system_structure_access_1_0_0{
      
            var                           $NativeTable = '`umx_system_structure`';
      
            var                           $Database = false;
            var                           $DatabaseAlgorithms = false;
            var                           $Security = false;
            var                           $SecurityParser = false;
            
            function                __construct()
            {
                  try
                  {
                        $this->Database = get_package( 'database' , 'last' , __FILE__ );
                        $this->DatabaseAlgorithms = get_package( 'database::database_algorithms' , 'last' , __FILE__ );
                        $this->Security = get_package( 'security' , 'last' , __FILE__ );
                        $this->SecurityParser = get_package( 'security::security_parser' , 'last' , __FILE__ );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      
            var                           $AddLimitations = '1 = 1';
            
            function                set_add_limitations( $theAddLimitation )
            {
                  try
                  {
                        if( $this->AddLimitations === '1 = 1' )
                        {
                              $this->AddLimitations = $theAddLimitation;
                        }
                        else
                        {
                              throw( new Exception( '"AddLimitations" was already set' ) );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      
            function                unsafe_select( $Condition = " 1 = 1 " )
            {
                  try
                  {
                        $this->Database->query_as( DB_OBJECT );
                        
                        $Records = $this->Database->select( 
                              '*' , $this->NativeTable , "( $this->AddLimitations ) AND $Condition"
                        );
                        
                        foreach( $Records as $k => $v )
                        {
                              $Records[ $k ]->page = htmlspecialchars_decode( $Records[ $k ]->page , ENT_QUOTES );
                              $Records[ $k ]->root_page = htmlspecialchars_decode( $Records[ $k ]->root_page , ENT_QUOTES );
                              $Records[ $k ]->navigation = htmlspecialchars_decode( $Records[ $k ]->navigation , ENT_QUOTES );
                              $Records[ $k ]->navigation = htmlspecialchars_decode( $Records[ $k ]->navigation , ENT_QUOTES );
                        }
                        
                        return( $Records );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                select( $Start , $Limit , $Field = false , $Order = false , $Condition = '1 = 1' )
            {
                  try
                  {
                        $Condition = $this->DatabaseAlgorithms->select_condition( 
                              $Start , $Limit , $Field , $Order , $Condition , $this->NativeTable
                        );
                        
                        $Items = $this->unsafe_select( $Condition );
                        
                        foreach( $Items as $k => $i )
                        {
                              $Items[ $k ]->navigation = str_replace( '{' , '[lfb]' , $Items[ $k ]->navigation );
                              $Items[ $k ]->navigation = str_replace( '}' , '[rfb]' , $Items[ $k ]->navigation );
                        }
                        
                        return( $Items );
                  }
                  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->unsafe_select( $this->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                create_system_structure( $Page , $RootPage , $Navigation )
            {
                  try
                  {
                        $Params = $this->SecurityParser->parse_parameters( 
                              func_get_args() , '0:string,alias_page;1:string,alias_root_page;2:string,alias_navigation'
                        );

                        $this->Database->insert( 
                              $this->NativeTable , 
                              'page , root_page , navigation' , 
                              "'".$Params->page."' , '".$Params->root_page."' , '".$Params->navigation."'"
                        );
                        $this->Database->commit();
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                delete( $id )
            {
                  try
                  {
                        $id = $this->Security->get( $id , 'integer_list' );
                        
                        $this->Database->delete( $this->NativeTable , "( $this->AddLimitations ) AND id IN ( $id )" );
                        $this->Database->commit();
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                update( $id , $Record )
            {
                  try
                  {
                        $id = $this->Security->get( $id , 'integer_list' );
                        $Record = $this->SecurityParser->parse_parameters( 
                              $Record , 'page:command;root_page:command;navigation:raw' , 'allow_not_set' 
                        );

                        list( $Fields , $Values ) = $this->DatabaseAlgorithms->compile_fields_values( $Record );
                        
                        if( isset( $Fields[ 0 ] ) )
                        {
                              $this->Database->update( 
                                    $this->NativeTable , $Fields , $Values , "( $this->AddLimitations ) AND id IN ( $id )"
                              );
                              $this->Database->commit();
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                select_list( $id )
            {
                  try
                  {
                        $id = $this->Security->get( $id , 'integer_list' );
                        
                        return( $this->unsafe_select( $this->NativeTable.".id IN ( $id )" ) );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      }

?>