[Upcase-project-cvs] UpCase/lib uc_repository.php,NONE,1.1

[<jhe...@us...>]

Update of /cvsroot/upcase-project/UpCase/lib
In directory usw-pr-cvs1:/tmp/cvs-serv26230

Added Files:
	uc_repository.php 
Log Message:
client side repository handling (info retrieval and updating)


--- NEW FILE: uc_repository.php ---
<?php

define("REPOSITORY_ROOT", "/packages");
define("METADATA_FILE", "meta.inc");
define("METADATA_BACKUP", "/db");

include_once("uc_utils.php");

class UcRepositoryObject
{
	var $sourceDir; // remote directory for this object
	var $localDir;	// local directory where this objects live
	var $metaDataFile;
	var $name;
	
	function UcRepositoryObject($localDir, $sourceDir)
	{
		$this->localDir = $localDir;
		$this->metaDataFile = $this->localDir . "/" . METADATA_FILE;
		$this->sourceDir = $sourceDir; 
	}

	function initialize()
	{
	}

	function fetchMetaData()
	{
		$srcFile = $this->sourceDir . "/" . METADATA_FILE;
		$dstFile = $this->metaDataFile;
		if (file_exists($dstFile))
			unlink($dstFile);
		if (download($srcFile, $dstFile) > -1)
			return true;
		else
			return false;
	}

	function checkDirectory()
	{
		if (is_dir($this->localDir) && is_writeable($this->localDir))
			return true;
		return false;
	}

	function createDirectory()
	{
		if (file_exists($this->localDir))
		{
			if (!is_dir($this->localDir))
				die("$this->localDir exists and is not a directory");
		}
		else
			mkdir($this->localDir, 0775)
				or die("Unable to create directory $this->localDir");
	}

	function update()
	{
		$this->fetchMetaData() or
			die("Unable to get meta data for $this->name");
		$this->initialize();
	}
}

class UcLocalRepository extends UcRepositoryObject
{
	var $categories;
	var $description;
	var $metaBackup;
	
	function UcLocalRepository()
	{
		$cfg = $GLOBALS["ucConfig"];
		$this->UcRepositoryObject($cfg->filesRoot . REPOSITORY_ROOT,
									$GLOBALS["packagesSource"]);
		$this->name = "repository";
		$this->initialize();
	}

	function initialize()
	{
		if (!$this->checkDirectory())
			$this->createDirectory();
		if (!file_exists($this->metaDataFile))
			$this->fetchMetaData();
		include($this->metaDataFile);
		foreach ($categories as $categoryName)
		{
			$this->categories[] = $categoryName;
		}
		$this->categories = $categories;
		$this->description = $description;
	}

	function getCategories()
	{
		$car = array();
		foreach ($this->categories as $category)
			$car[$category] = new UcCategory($this, $category);
		return $car;
	}

	function getCategory($category)
	{
		$car = $this->getCategories();
		return $car[$category];
	}

	function update()
	{
		$this->fetchMetaData() or
			die("Unable to get meta data for $this->name");
		$this->initialize();
		$categories = $this->getCategories();
		foreach ($categories as $category)
			$category->update();
	}
}


class UcCategory extends UcRepositoryObject
{
	var $packages;
	var $description;
	
	function UcCategory($repository, $categoryName)
	{
		$this->UcRepositoryObject($repository->localDir . "/$categoryName",
								$repository->sourceDir . "/$categoryName");
		$this->name = $categoryName;
		$this->initialize();
	}

	function initialize()
	{
		if (!$this->checkDirectory())
			$this->createDirectory();
		if (!file_exists($this->metaDataFile))
			$this->fetchMetaData();
		include($this->metaDataFile);
		$this->packages = $packages;
		$this->description = $description;
	}

	function getPackages()
	{
		$par = array();
		foreach ($this->packages as $packageName)
			$par[$packageName] = new UcPackage($this, $packageName);
		return $par;
	}

	function getPackage($pkgname)
	{
		$par = $this->getPackages();
		return $par[$pkgname];
	}

	function update()
	{
		$this->fetchMetaData() or
			die("Unable to get meta data for $this->name");
		$this->initialize();
		$packages = $this->getPackages();
		foreach ($packages as $package)
			$package->update();
	}
}

class UcPackage extends UcRepositoryObject
{
	function UcPackage($category, $packageName)
	{
		$this->UcRepositoryObject($category->localDir . "/$packageName",
									$category->sourceDir . "/$packageName");
		$this->name = $packageName;
		$this->initialize();
	}

	function initialize()
	{
		if (!$this->checkDirectory())
			$this->createDirectory();
		if (!file_exists($this->metaDataFile))
			$this->fetchMetaData();
		include($this->metaDataFile);
		$this->description = $description;
		$this->homePage = $home_page;
		$this->version = $version;
		$this->source = $source;
	}
}

?>