subscription_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 subscription_access_1_0_0{
      
            var                           $NativeTable = '`umx_subscription`';
            
            var                           $Database = false;
            var                           $DatabaseAlgorithms = false;
            var                           $Link = 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->Link = get_package( 'link' , '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 )
            {
                  try
                  {
                        $this->Database->query_as( DB_OBJECT );
                        
                        return( 
                              $this->Database->select( 
                                    $this->NativeTable.'.*' , $this->NativeTable , 
                                    "( $this->AddLimitations ) AND $Condition"
                              )
                        );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                select( $Start = false , $Limit = false , $Field = false , 
                                                                                                                        $Order = false , $Condition = '1 = 1' )
            {
                  try
                  {
                        $Condition = $this->DatabaseAlgorithms->select_condition( 
                              $Start , $Limit , $Field , $Order , $Condition , $this->NativeTable
                        );
                        
                        return( $this->unsafe_select( $Condition ) );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                delete( $id , $Options = ' 1 = 1' )
            {
                  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                create( $Record )
            {
                  try
                  {
                        $Record = $this->SecurityParser->parse_parameters( 
                              $Record , 'title:string;description:string;template:string'
                        );

                        list( $Fields , $Values ) = $this->DatabaseAlgorithms->compile_fields_values( $Record );

                        $id = $this->DatabaseAlgorithms->create( $this->NativeTable , $Fields , $Values );

                        $EventManager = get_package( 'event_manager' , 'last' , __FILE__ );
                        $EventManager->trigger_event( 'on_after_create_subscription' , array( 'id' => $id ) );

                        return( $id );
                  }
                  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 , 'title:string;description:string;template:string' , '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 ) ORDER BY id ASC" ) );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                subscribe_user( $UserId , $SubscriptionId )
            {
                  try
                  {
                        $UserId = explode( ',' , $this->Security->get( $UserId , 'integer_list' ) );
                        $SubscriptionId = explode( ',' , $this->Security->get( $SubscriptionId , 'integer_list' ) );

                        foreach( $UserId as $i => $User )
                        {
                              foreach( $SubscriptionId as $j => $Subscription )
                              {
                                    $this->Link->create_link( $User , $Subscription , 'user' , 'subscription' , true );
                              }
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                unsubscribe_user( $UserId , $SubscriptionId )
            {
                  try
                  {
                        $UserId = explode( ',' , $this->Security->get( $UserId , 'integer_list' ) );
                        $SubscriptionId = explode( ',' , $this->Security->get( $SubscriptionId , 'integer_list' ) );

                        foreach( $UserId as $i => $User )
                        {
                              foreach( $SubscriptionId as $j => $Subscription )
                              {
                                    $this->Link->delete_link( $User , $Subscription , 'user' , 'subscription' );
                              }
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                get_subscriptions_for_user( $UserId )
            {
                  try
                  {
                        $UserId = $this->Security->get( $UserId , 'integer' );

                        $SubscriptionLinks = $this->Link->get_links( $UserId , false , 'user' , 'subscription' );

                        if( isset( $SubscriptionLinks[ 0 ] ) )
                        {
                              $Subscriptions = implode( ',' , get_field_ex( $SubscriptionLinks , 'object2_id' ) );

                              return( $this->unsafe_select( "id IN ( $Subscriptions )" ) );
                        }

                        return( array() );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      }
?>