Version 4.5.0

applications/downloads/hooks/nexusPackage.php

@@ -0,0 +1,41 @@
+//<?php
+
+/* To prevent PHP errors (extending class does not exist) revealing path */
+if ( !\defined( '\IPS\SUITE_UNIQUE_KEY' ) )
+{
+	exit;
+}
+
+class downloads_hook_nexusPackage extends _HOOK_CLASS_
+{
+	/**
+	 * Delete Package Data
+	 *
+	 * @return	void
+	 */
+	public function delete()
+	{
+		/* Let parent do its thing first */
+		parent::delete();
+
+		/* Look for files linked to this product */
+		foreach( \IPS\Db::i()->select( '*', 'downloads_files', array( \IPS\Db::i()->findInSet( 'file_nexus', array( $this->id ) ) ) ) as $file )
+		{
+			$packages = explode( ',', $file['file_nexus'] );
+			$packages = array_filter( $packages, function( $packageId ){
+				return $packageId != $this->id;
+			} );
+
+			/* If the only package was the one we just deleted, set it as not purchasable but do not remove the file_nexus value or the product will become downloadable by anyone */
+			if( !\count( $packages ) )
+			{
+				\IPS\Db::i()->update( 'downloads_files', array( 'file_purchasable' => 0 ), array( 'file_id=?', $file['file_id'] ) );
+			}
+			/* Otherwise if there are other products that can be purchased, remove this product from the purchasable list */
+			else
+			{
+				\IPS\Db::i()->update( 'downloads_files', array( 'file_nexus' => implode( ',', $packages ) ), array( 'file_id=?', $file['file_id'] ) );
+			}
+		}
+	}
+}