/
buildrepository.php
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/
buildrepository.php
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<?php
/**
* @file buildrepository.php
* Build Repository.
*
* @authors Copyright © 2009-2013 Daniel Swanson <danij@dengine.net>
*
* @par License
* GPL: http://www.gnu.org/licenses/gpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. This program is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details. You should have received a copy of the GNU
* General Public License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA</small>
*/
includeGuard('BuildRepositoryPlugin');
require_once(DIR_CLASSES.'/outputcache.class.php');
/**
* @defgroup platformId Platform Identifier
* @ingroup builds
*/
///@{
define('PID_ANY', 0); ///< (Enumeration). Ordinals are meaningless (can change) however must be unique.
define('PID_WIN_X86', 1);
define('PID_MAC10_4_X86_PPC', 2);
define('PID_MAC10_6_X86_X86_64', 3);
define('PID_MAC10_8_X86_64', 4);
define('PID_LINUX_X86', 5);
define('PID_LINUX_X86_64', 6);
///@}
/**
* @defgroup releaseType Release Type
* @ingroup builds
*/
///@{
define('RT_UNKNOWN', 0); ///< (Enumeration). Ordinals are meaningless (can change) however must be unique.
define('RT_UNSTABLE', 1);
define('RT_CANDIDATE', 2);
define('RT_STABLE', 3);
///@}
require_once('buildevent.class.php');
require_once('buildlogparser.class.php');
require_once('commitutils.php');
require_once('packagefactory.class.php');
class BuildRepositoryPlugin extends Plugin implements Actioner, RequestInterpreter
{
/// Plugin name.
public static $name = 'buildrepository';
/// Feed URIs:
const XML_FEED_URI = 'http://dl.dropboxusercontent.com/u/11948701/builds/events.xml';
const RSS_FEED_URI = 'http://dl.dropboxusercontent.com/u/11948701/builds/events.rss';
/**
* Plaform (Record):
*
* 'id': @see platformId
* 'name': Symbolic name used to identify this platform.
* 'nicename': User facing/friendly name for this platform.
*/
private static $platforms = array(
PID_WIN_X86 => array('id'=>PID_WIN_X86, 'name'=>'win-x86', 'nicename'=>'Windows'),
PID_MAC10_4_X86_PPC => array('id'=>PID_MAC10_4_X86_PPC, 'name'=>'mac10_4-x86-ppc', 'nicename'=>'OS X 10.4+'),
PID_MAC10_6_X86_X86_64 => array('id'=>PID_MAC10_6_X86_X86_64, 'name'=>'mac10_6-x86-x86_64', 'nicename'=>'OS X 10.6+'),
PID_MAC10_8_X86_64 => array('id'=>PID_MAC10_8_X86_64, 'name'=>'mac10_8-x86_64', 'nicename'=>'OS X 10.8+'),
PID_LINUX_X86 => array('id'=>PID_LINUX_X86, 'name'=>'linux-x86', 'nicename'=>'Ubuntu (32bit)'),
PID_LINUX_X86_64 => array('id'=>PID_LINUX_X86_64, 'name'=>'linux-x86_64', 'nicename'=>'Ubuntu (64bit)')
);
private static $unknownPlatform = array(
'id'=>PID_ANY, 'name'=>'unknown', 'nicename'=>'Unknown');
/**
* ReleaseType (Record):
*
* 'id': @see releaseTypeId
* 'name': Symbolic name used to identify this release type.
* 'nicename': User facing/friendly name for this release type.
*/
private static $releaseTypes = array(
RT_UNSTABLE => array('id'=>RT_UNSTABLE, 'name'=>'unstable', 'nicename'=>'Unstable'),
RT_CANDIDATE => array('id'=>RT_CANDIDATE, 'name'=>'candidate', 'nicename'=>'Candidate'),
RT_STABLE => array('id'=>RT_STABLE, 'name'=>'stable', 'nicename'=>'Stable')
);
private static $unknownReleaseType = array(
'id'=>RT_UNKNOWN, 'name'=>'unknown', 'nicename'=>'Unknown');
/// Special 'null' package.
private static $nullPack = NULL;
/// Builds.
private $builds;
/// Package collections.
private $packages = NULL;
private $symbolicPackages = NULL;
/// Weight values for sorting of Packages.
private static $packageWeights = array(
'DistributionPackage' =>0,
'DistributionBuilderPackage' =>0,
'PluginPackage' =>1,
'PluginBuilderPackage' =>1,
'DistributionUnstablePackage' =>2,
'DistributionUnstableBuilderPackage' =>2,
'PluginUnstablePackage' =>3,
'PluginUnstableBuilderPackage' =>3
);
/// @return Plugin name.
public function title()
{
return self::$name;
}
/**
* Attempt to parse @a str, comparing with known symbolic platform
* names. If no match is determined @c PID_ANY is returned.
*
* @param str (String) Textual value to be parsed.
* @return (Integer) Determined PlatformId.
*/
public static function parsePlatformId($str="")
{
if(is_string($str))
{
foreach(self::$platforms as $plat)
{
if(!strcasecmp($plat['name'], $str)) return $plat['id'];
}
}
return PID_ANY; // Unknown.
}
/**
* Retrieve the Platform record associated with @a platformId.
* If no match is found then the special 'unknown' platform is returned.
*
* @param platformId (Integer) Unique identfier of the platform.
* @return (Object) Determined Platform.
*/
public static function &platform($platformId=PID_ANY)
{
$platformId = intval($platformId);
if(isset(self::$platforms[$platformId])) return self::$platforms[$platformId];
return self::$unknownPlatform;
}
/**
* Attempt to parse a 'release type' symbolic name/identifier from @a str
* if it does not match a known type then RT_UNSTABLE is returned.
* @return (integer) Unique identifier associated the determined release type.
*/
public static function parseReleaseType($str)
{
if(is_string($str))
{
if(!strcasecmp($str, 'unstable')) return RT_UNSTABLE;
if(!strcasecmp($str, 'candidate')) return RT_CANDIDATE;
if(!strcasecmp($str, 'stable')) return RT_STABLE;
}
// Unknown.
return RT_UNKNOWN;
}
/**
* Retrieve the ReleaseType record associated with @a releaseTypeId.
* If no match is found then the special 'unknown' release is returned.
*
* @param releaseTypeId (Integer) Unique identfier of the release type.
* @return (Object) Determined ReleaseType.
*/
public static function &releaseType($releaseTypeId=RT_UNKNOWN)
{
$releaseTypeId = intval($releaseTypeId);
if(isset(self::$releaseTypes[$releaseTypeId])) return self::$releaseTypes[$releaseTypeId];
return self::$unknownReleaseType;
}
public static function packageWeight(&$pack)
{
if($pack instanceof BasePackage)
{
if(isset(self::$packageWeights[get_class($pack)]))
return self::$packageWeights[get_class($pack)];
}
return 4;
}
public static function packageSorter($packA, $packB)
{
// Primarily by platform id.
if($packA->platformId() !== $packB->platformId()) return $packA->platformId() - $packB->platformId();
// Secondarily by package type.
if($packA === $packB) return 0;
$a = self::packageWeight($packA);
$b = self::packageWeight($packB);
if($a !== $b) return $a < $b? -1 : 1;
// Lastly by package title.
return strcasecmp($packA->title(), $packB->title());
}
/**
* Determine if the local cached copy of the remote build log requires an
* update (i.e., the remote server indicates the file has changed, or our
* cached copy has been manually purged).
*
* @param buildLogUri (String) Uri locator to the remote build log.
* @param cacheName (String) Name of the cache copy of the log.
* @return (Boolean) @c true if the cache copy of the log needs an update.
*/
private static function mustUpdateCachedBuildLog(&$buildLogUri, &$cacheName)
{
if(!FrontController::contentCache()->has($cacheName))
return TRUE;
// Only query the remote server at most once every five minutes for an
// updated build log. The modified time of our local cached copy is used
// to determine when it is time to query (we touch the cached copy after
// each query attempt).
$cacheInfo = new ContentInfo();
FrontController::contentCache()->info($cacheName, $cacheInfo);
if(time() < strtotime('+5 minutes', $cacheInfo->modifiedTime))
return FALSE;
// Check the remote time of the log and compare with our local cached copy.
try
{
// Open a new cURL session.
$cs = curl_init();
if($cs === FALSE)
throw new Exception('Failed initializing cURL');
// We only want the headers.
curl_setopt($cs, CURLOPT_URL, $buildLogUri);
curl_setopt($cs, CURLOPT_NOBODY, true);
curl_setopt($cs, CURLOPT_RETURNTRANSFER, true);
curl_setopt($cs, CURLOPT_FILETIME, true);
$xml = curl_exec($cs);
if($xml !== FALSE)
{
$timestamp = curl_getinfo($cs, CURLINFO_FILETIME);
// Close the cURL session.
curl_close($cs);
if($timestamp != -1)
{
if($timestamp > $cacheInfo->modifiedTime)
{
// Update necessary.
return TRUE;
}
else
{
// Touch our cached copy so we can delay checking again.
FrontController::contentCache()->touch($cacheName);
return FALSE;
}
}
else
{
// Server could/would not supply the headers we are interested in.
// We'll err on the side of caution and update (our five minute
// repeat delay mitigates the sting).
return TRUE;
}
}
else
{
$error = curl_error($cs);
// We are now done with the cURL session.
curl_close($cs);
throw new Exception('Failed retrieving file info' + $error);
}
}
catch(Exception $e)
{
/// @todo Store error so users can query.
//setError($e->getMessage());
return FALSE;
}
}
private static function retrieveBuildLogXml(&$buildLogUri)
{
// Open a new cURL session.
$cs = curl_init();
if($cs === FALSE)
throw new Exception('Failed initializing cURL');
curl_setopt($cs, CURLOPT_URL, $buildLogUri);
curl_setopt($cs, CURLOPT_HEADER, false);
curl_setopt($cs, CURLOPT_RETURNTRANSFER, true);
$xml = curl_exec($cs);
if($xml === FALSE)
$error = curl_error($cs);
curl_close($cs);
if($xml === FALSE)
throw new Exception('Failed retrieving file' + $error);
return $xml;
}
/**
* Attempt to parse the build log, constructing from it a collection
* of the abstract objects we use to model the events an packages it
* defines.
*
* @param builds (Array) Collection to be populated with BuildEvents.
* @return (Boolean) @c TRUE iff successful.
*/
private function constructBuilds(&$builds)
{
$buildLogUri = self::XML_FEED_URI;
// Is it time to update our cached copy of the build log?
$logCacheName = 'buildrepository/events.xml';
if(self::mustUpdateCachedBuildLog($buildLogUri, $logCacheName))
{
try
{
// Grab a copy of the latest build log..
$logXml = self::retrieveBuildLogXml($buildLogUri);
if($logXml === false)
throw new Exception('Failed retrieving build log');
// Attempt to parse the new log.
BuildLogParser::parse($logXml, $builds);
// Parsed successfully; update the cache with this new file.
FrontController::contentCache()->store($logCacheName, $logXml);
return TRUE;
}
catch(Exception $e)
{
// Log the error.
$msg = "Failed parsing new XML build log.";
$msg .= "\nError:" . $e->getMessage();
trigger_error($msg, E_USER_WARNING);
// Touch our cached copy so we don't try again too soon.
FrontController::contentCache()->touch($logCacheName);
}
}
// Re-parse our locally cached copy of the log, hopefully
// we don't need to do this too often (cache everything!).
try
{
$cachedLogXml = FrontController::contentCache()->retrieve($logCacheName);
BuildLogParser::parse($cachedLogXml, $builds);
return TRUE;
}
catch(Exception $e)
{
// Yikes! Looks like we broke something...
trigger_error(sprintf('Failed parsing cached XML build log.\nError:%s', $e->getMessage()), E_USER_WARNING);
return FALSE;
}
}
private function grabAndParseBuildFeedXML()
{
$builds = array();
$this->constructBuilds($builds);
$this->builds = $builds;
}
/**
* Populate the collection with 'static' packages. A static package is
* one which was not produced by or that which has no persistent build
* event information.
*
* Static packages are primarily for historic releases which predate
* the autobuilder.
*
* @param array:$packages Collection to be populated.
* @return bool @c true= iff successful.
*/
private function populateStaticPackages(&$packages)
{
/**
* @todo Read this information from a config file, we should not
* expect to edit this file in order to change these...
*/
$pack = PackageFactory::newDistribution(PID_WIN_X86, 'Doomsday', Version::fromString('1.9.10'),
'http://sourceforge.net/projects/deng/files/Doomsday%20Engine/1.9.10/deng-inst-1.9.10-1.exe/download',
NULL/*no fallback download uri*/,
false/*not an autobuilder packaged*/);
$pack->setReleaseNotesUri('http://dengine.net/dew/index.php?title=Doomsday_version_1.9.10-1');
$pack->setReleaseDate(strtotime('January 6, 2013'));
$packages[] = $pack;
$pack = PackageFactory::newDistribution(PID_MAC10_4_X86_PPC, 'Doomsday', Version::fromString('1.9.10'),
'http://sourceforge.net/projects/deng/files/Doomsday%20Engine/1.9.10/deng-inst-1.9.10-1.dmg/download',
NULL/*no fallback download uri*/,
false/*not an autobuilder packaged*/);
$pack->setReleaseNotesUri('http://dengine.net/dew/index.php?title=Doomsday_version_1.9.10-1');
$pack->setReleaseDate(strtotime('January 6, 2013'));
$packages[] = $pack;
$pack = PackageFactory::newDistribution(PID_MAC10_6_X86_X86_64, 'Doomsday', Version::fromString('1.9.10'),
'http://sourceforge.net/projects/deng/files/Doomsday%20Engine/1.9.10/deng-inst-1.9.10-1_64bit.dmg/download',
NULL/*no fallback download uri*/,
false/*not an autobuilder packaged*/);
$pack->setReleaseNotesUri('http://dengine.net/dew/index.php?title=Doomsday_version_1.9.10-1');
$pack->setReleaseDate(strtotime('January 6, 2013'));
$packages[] = $pack;
$pack = PackageFactory::newDistribution(PID_LINUX_X86, 'Doomsday', Version::fromString('1.9.10'),
'http://sourceforge.net/projects/deng/files/Doomsday%20Engine/1.9.10/deng-inst-1.9.10-1_i386.deb/download',
NULL/*no fallback download uri*/,
false/*not an autobuilder packaged*/);
$pack->setReleaseNotesUri('http://dengine.net/dew/index.php?title=Doomsday_version_1.9.10-1');
$pack->setReleaseDate(strtotime('January 6, 2013'));
$packages[] = $pack;
$pack = PackageFactory::newDistribution(PID_LINUX_X86_64, 'Doomsday', Version::fromString('1.9.10'),
'http://sourceforge.net/projects/deng/files/Doomsday%20Engine/1.9.10/deng-inst-1.9.10-1_amd64.deb/download',
NULL/*no fallback download uri*/,
false/*not an autobuilder packaged*/);
$pack->setReleaseNotesUri('http://dengine.net/dew/index.php?title=Doomsday_version_1.9.10-1');
$pack->setReleaseDate(strtotime('January 6, 2013'));
$packages[] = $pack;
$pack = PackageFactory::newDistribution(PID_WIN_X86, 'Doomsday', Version::fromString('1.8.6'),
'http://sourceforge.net/projects/deng/files/Doomsday%20Engine/1.8.6/deng-inst-1.8.6.exe/download',
NULL/*no fallback download uri*/,
false/*not an autobuilder packaged*/);
$pack->setReleaseNotesUri('http://dengine.net/dew/index.php?title=Doomsday_version_1.8.6');
$packages[] = $pack;
return TRUE;
}
/**
* Populate the collection with 'symbolic' packages. A symbolic package
* is one which is not linked to any specific downloadable packs or
* build events. Instead symbolic packages use abstract names and
* dynamically resolved download URIs which map to "real" packages.
*
* @param packages (Array) Collection to be populated.
* @return (Boolean) @c TRUE iff successful.
*/
private function populateSymbolicPackages(&$packages)
{
/**
* @todo Read this information from a config file, we should not
* expect to edit this file in order to change these...
*/
// Windows:
$plat = $this->platform(PID_WIN_X86);
$pack = PackageFactory::newDistribution($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']);
$packages[] = $pack;
$plat = $this->platform(PID_WIN_X86);
$pack = PackageFactory::newDistributionUnstable($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']. '&unstable');
$packages[] = $pack;
// Mac OS:
$plat = $this->platform(PID_MAC10_4_X86_PPC);
$pack = PackageFactory::newDistribution($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']);
$packages[] = $pack;
$plat = $this->platform(PID_MAC10_4_X86_PPC);
$pack = PackageFactory::newDistributionUnstable($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']. '&unstable');
$packages[] = $pack;
$plat = $this->platform(PID_MAC10_6_X86_X86_64);
$pack = PackageFactory::newDistribution($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']);
$packages[] = $pack;
$plat = $this->platform(PID_MAC10_6_X86_X86_64);
$pack = PackageFactory::newDistributionUnstable($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']. '&unstable');
$packages[] = $pack;
$plat = $this->platform(PID_MAC10_8_X86_64);
$pack = PackageFactory::newDistribution($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']);
$packages[] = $pack;
$plat = $this->platform(PID_MAC10_8_X86_64);
$pack = PackageFactory::newDistributionUnstable($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']. '&unstable');
$packages[] = $pack;
// Ubuntu:
$plat = $this->platform(PID_LINUX_X86);
$pack = PackageFactory::newDistribution($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']);
$packages[] = $pack;
$plat = $this->platform(PID_LINUX_X86);
$pack = PackageFactory::newDistributionUnstable($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']. '&unstable');
$packages[] = $pack;
$plat = $this->platform(PID_LINUX_X86_64);
$pack = PackageFactory::newDistribution($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']);
$packages[] = $pack;
$plat = $this->platform(PID_LINUX_X86_64);
$pack = PackageFactory::newDistributionUnstable($plat['id'], 'Latest Doomsday',
NULL/*no version*/, 'latestbuild?platform='. $plat['name']. '&unstable');
$packages[] = $pack;
return TRUE;
}
private function findOlderBuild($build=NULL)
{
$older = NULL;
if(!is_null($build) && $build instanceof BuildEvent)
{
foreach($this->builds as &$other)
{
if($other === $build) continue;
$otherId = $other->uniqueId();
if($otherId < $build->uniqueId() &&
(is_null($older) || $otherId > $older->uniqueId()))
{
$older = $other;
}
}
}
return $older;
}
private function findNewerBuild($build=NULL)
{
$newer = NULL;
if(!is_null($build) && $build instanceof BuildEvent)
{
foreach($this->builds as &$other)
{
if($other === $build) continue;
$otherId = $other->uniqueId();
if($otherId > $build->uniqueId() &&
(is_null($newer) || $otherId < $newer->uniqueId()))
{
$newer = $other;
}
}
}
return $newer;
}
/**
* Chain BuildEvents together by 'start date', linking them according
* to their start timestamps.
*/
private function chainBuildsByStartDate()
{
if(!isset($this->builds)) return FALSE;
foreach($this->builds as &$build)
{
$older = $this->findOlderBuild($build);
$build->setPrevForStartDate($older);
$newer = $this->findNewerBuild($build);
$build->setNextForStartDate($newer);
}
return TRUE;
}
/**
* Chain BuildEvents together by 'version', linking them according
* to the version number of the 'Doomsday' package(s) those events
* produced.
*/
private function chainBuildsByDoomsdayVersion()
{
if(!isset($this->packages)) return FALSE;
$releases = array();
foreach($this->packages as &$pack)
{
// We are only interested in the 'Doomsday' packages.
if($pack->title() !== 'Doomsday') continue;
// Have we encountered this version before?.
$versionText = "{$pack->version()}";
$key = array_casekey_exists($versionText, $releases);
if($key === false)
{
// Not yet construct a new build list (array) and associate it
// in the release array using the version number as the key.
$key = ucwords($versionText);
$releases[$key] = array();
$buildList = &$releases[$key];
}
else
{
$buildList = &$releases[$versionText];
}
// Is this package a product of the autobuilder?
if($pack instanceof iBuilderProduct)
{
// Yes; we have "real" BuildEvent we can link with this.
$buildUniqueId = $pack->buildUniqueId();
$build = $this->buildByUniqueId($buildUniqueId);
}
else
{
// No - this must be a symbolic package.
// We'll instantiate a symbolic BuildEvent for this.
$build = new BuildEvent(0, $pack->hasReleaseDate()? $pack->releaseDate() : strtotime('Jan 8, 2005'), 'skyjake',
'jaakko.keranen@iki.fi', RT_STABLE/*assumed*/);
if($pack->hasReleaseNotesUri())
{
$build->setReleaseNotesUri($pack->releaseNotesUri());
}
if($pack->hasReleaseChangeLogUri())
{
$build->setReleaseChangeLogUri($pack->releaseChangeLogUri());
}
$build->addPackage($pack);
}
if(!$build instanceof BuildEvent) continue; // Odd...
// Is this build event already present in the index for this release version?
if(array_search($build, $buildList) !== FALSE) continue;
// Add this build to the index.
$buildList[] = $build;
}
foreach($releases as $version => &$buildList)
{
$numEvents = count($buildList);
for($i = (integer)0; $i < $numEvents; $i++)
{
$curEvent = &$buildList[$i];
if(!$curEvent instanceof BuildEvent) throw new Exception('BuildEvent expected but received something else.');
$prevEvent = (($i < $numEvents && isset($buildList[$i+1]))? $buildList[$i+1] : -1);
if($prevEvent instanceof BuildEvent)
{
$curEvent->setPrevForVersion($prevEvent);
}
$nextEvent = (($i > 0 && isset($buildList[$i-1]))? $buildList[$i-1] : -1);
if($nextEvent instanceof BuildEvent)
{
$curEvent->setNextForVersion($nextEvent);
}
}
}
return TRUE;
}
/**
* Chain BuildEvents together to form a navigable web of events.
*/
private function chainBuilds()
{
$this->chainBuildsByStartDate();
$this->chainBuildsByDoomsdayVersion();
}
private function rebuildPackages()
{
// Generate packages from feed events.
$this->grabAndParseBuildFeedXML();
// Main collection consists of those produced from the feed and the statics.
$this->packages = array();
foreach($this->builds as &$build)
foreach($build->packages as &$pack)
{
$this->packages[] = $pack;
}
// Add the 'static' packages.
$this->populateStaticPackages(&$this->packages);
// The symbolic packages are kept seperate.
$this->symbolicPackages = array();
$this->populateSymbolicPackages(&$this->symbolicPackages);
// Link build events together to form the navigation chains.
$this->chainBuilds();
}
/**
* One-time initialization of the Packages collection.
*/
private function initPackages()
{
// Init the special case 'null' package.
self::$nullPack = PackageFactory::newNullPackage();
// Init collections.
$this->rebuildPackages();
}
/**
* Choose a Package from the collection which satisfies the
* specified selection filters. If no suitable package can
* be found the special NullPackage is returned.
*
* @param platformId (Integer) PlatformId filter.
* @param title (String) Symbolic name of the package to download. Default="Doomsday".
* @param unstable (Boolean) @c true= Only consider 'unstable' packs.
* @param hasDownload (Boolean) @c true= Only consider 'downloadable' packs.
* @return (Object) Chosen package.
*/
private function &choosePackage($platformId=PID_ANY, $title="Doomsday",
$unstable=FALSE, $downloadable=TRUE)
{
$unstable = (boolean)$unstable;
$downloadable = (boolean)$downloadable;
if(isset($this->packages))
{
$matchTitle = (boolean)(strlen($title) > 0);
foreach($this->packages as &$pack)
{
if($pack->platformId() !== $platformId) continue;
if($matchTitle && strcasecmp($pack->title(), $title)) continue;
if($unstable != ($pack instanceof AbstractUnstablePackage)) continue;
if($downloadable != ($pack instanceof iDownloadable && ($pack->hasDirectDownloadUri() || $pack->hasDirectDownloadFallbackUri()))) continue;
// Found something suitable.
return $pack;
}
}
// Nothing suitable.
return self::$nullPack;
}
/**
* Implements RequestInterpreter
*/
public function InterpretRequest($request)
{
$uri = urldecode($request->url()->path());
// @kludge skip over the first '/' in the home URL.
$uri = substr($uri, 1);
// Remove any trailing file extension, such as 'something.html'
if(strrpos($uri, '.'))
$uri = substr($uri, 0, strrpos($uri, '.'));
$uriArgs = $request->url()->args();
// Tokenize the request URL so we can begin to determine what to do.
$tokens = explode('/', $uri);
if(!count($tokens)) return false; // How peculiar...
// A symbolic build name?
if($tokens[0] === 'latestbuild')
{
$this->initPackages();
// Are we redirecting to a specific package?
$getPackage = FALSE;
if(isset($uriArgs['platform']))
{
// Parse and validate arguments.
$platformId = $this->parsePlatformId($uriArgs['platform']);
$unstable = isset($uriArgs['unstable']);
// Default to Doomsday if a pack is not specified.
$packTitle = "Doomsday";
if(isset($uriArgs['pack']))
{
$packTitle = trim($uriArgs['pack']);
}
// Try to find a suitable package...
$pack = &$this->choosePackage($platformId, $packTitle, $unstable);
if(!($pack instanceof NullPackage))
{
$args = array();
// Are we retrieving the object graph?
if(isset($uriArgs['graph']))
{
// Return the object graph.
$args['getgraph'] = $pack;
}
else
{
// Redirect to the package download.
$args['getpackage'] = $pack;
}
FrontController::fc()->enqueueAction($this, $args);
return true; // Eat the request.
}
}
// Redirect to the build repository index.
FrontController::fc()->enqueueAction($this, array('build' => -1/*dummy value*/));
return true; // Eat the request.
}
// Perhaps a named build or the index?
if(!strncasecmp('build', $tokens[0], 5))
{
$this->initPackages();
$buildId = intval(substr($tokens[0], 5));
// Is this a known event?
$build = $this->buildByUniqueId($buildId);
if(!$build instanceof BuildEvent)
$buildId = 0; // Show the index.
FrontController::fc()->enqueueAction($this, array('build' => $buildId));
return true; // Eat the request.
}
return false; // Not for us.
}
/**
* Output build event stream navigational controls.
*
* @param currentEvent (integer) Current event.
*/
private function outputBuildStreamNavigation(&$event)
{
$headEvent = $event->prevForStartDate();
$offset = 0;
if(!$headEvent instanceof BuildEvent)
{
$headEvent = $event;
$offset = 1;
}
?><div id="buildsnav" class="hnav"><h3><span>←Older</span> <a href="builds" title="Back to the Build Repository index">Index</a> <span>Newer→</span></h3><?php
?><div class="buildstreamlist"><?php
$this->outputBuildStreamWidget($headEvent, 'startdate', TRUE/*ascend*/, 3, $offset,
NULL/*no release header*/,
TRUE/*use the horiztonal variant*/,
$event, TRUE/*current is inactive*/);
?></div></div><?php
}
/**
* Retrieve the BuildEvent object associated with @a uniqueId.
*
* @param uniqueId (Integer) Unique identfier of the build event.
* @return (Mixed) BuildEvent object for the build else @c NULL.
*/
public function buildByUniqueId($uniqueId=0)
{
$uniqueId = intval($uniqueId);
if($uniqueId > 0)
foreach($this->builds as &$build)
{
if($uniqueId === $build->uniqueId()) return $build;
}
return NULL;
}
private function outputEventList($maxEvents=10)
{
if(!isset($this->builds)) return;
// A clickable button for the RSS feed.
?><div class="buildnews_list"><a href="<?php echo preg_replace('/(&)/', '&', self::RSS_FEED_URI); ?>" class="link-rss" title="Build News via RSS"><span class="hidden">RSS</span></a> <span id="buildnews-label">Latest Build News:</span><?php
if($this->builds)
{
// Generate a table of build events.
?><table><?php
$n = (integer) 0;
foreach($this->builds as $event)
{
$shortDate = date("d/m/y", $event->startDate());
$eventHTML = $event->genBadge();
// Wrap the event in a div which has all if our stylings.
?><tr><td><?php echo htmlspecialchars($shortDate); ?></td><td><?php echo $eventHTML; ?></td></tr><?php
if(++$n >= $maxEvents)
break;
}
?></table><?php
}
else
{
?><ul><li><em>...presently unavailable</em></li></ul><?php
}
?></div><?php
}
private function outputPackageList(&$packages, $notThisPack=NULL,
$chosenPlatformId=NULL, $unstable=-1/*no filter*/, $downloadable=-1/*no filter*/,
$maxPacks=-1/*no limit*/, $listTitleHTML=NULL/*no title*/)
{
if(!is_array($packages)) return;
$maxPacks = intval($maxPacks);
if($maxPacks === 0) return;
if($maxPacks < 0) $maxPacks = -1;
$unstable = intval($unstable);
if($unstable < 0) $unstable = -1; // Any.
else $unstable = $unstable? 1 : 0;
$downloadable = intval($downloadable);
if($downloadable < 0) $downloadable = -1; // Any.
else $downloadable = $downloadable? 1 : 0;
// Generate package list:
$numPacks = (integer)0;
foreach($packages as &$pack)
{
// Filtered out?
if($pack === $notThisPack) continue;
if($unstable != -1 && (boolean)$unstable != ($pack instanceof AbstractUnstablePackage)) continue;
if($downloadable != -1 && (boolean)$downloadable != ($pack instanceof iDownloadable && ($pack->hasDirectDownloadUri() || $pack->hasDirectDownloadFallbackUri()))) continue;
if(!is_null($chosenPlatformId) && $pack->platformId() === $chosenPlatformId) continue;
// Begin the list?
if(!$numPacks)
{
// Compose list title:
?><div class="downloads_list"><?php
if(!is_null($listTitleHTML))
{
echo $listTitleHTML;
}
?><ul><?php
}
// Generate a pretty download badge/button.
?><li><?php echo $pack->genDownloadBadge(); ?></li><?php
++$numPacks;
if($maxPacks !== -1 && $numPacks === $maxPacks) break;
}
if($numPacks)
{
// Finish this list.
?></ul></div><?php
}
}
private function outputPackageRedirect(&$pack)
{
$fc = &FrontController::fc();
if(!($pack instanceof AbstractPackage))
throw new Exception('Received invalid Package.');
// Begin the page.
$pageTitle = 'Downloading...';
$fc->outputHeader($pageTitle);
$fc->beginPage($pageTitle);
// Output the redirect directive.
if($pack->hasDirectDownloadUri())
$downloadUri = $pack->directDownloadUri();
else