/**
* Get an FS copy or original of this file and return the path.
* Returns false on failure. Callers must not alter the file.
* Temporary files are cleared automatically.
*
* @return string|bool False on failure
*/
public function getLocalRefPath()
{
$this->assertRepoDefined();
if (!isset($this->fsFile)) {
$this->fsFile = $this->repo->getLocalReference($this->getPath());
if (!$this->fsFile) {
$this->fsFile = false;
// null => false; cache negative hits
}
}
return $this->fsFile ? $this->fsFile->getPath() : false;
}
/**
* Returns the most appropriate source image for the thumbnail, given a target thumbnail size
* @param array $params
* @return array Source path and width/height of the source
*/
public function getThumbnailSource($params)
{
if ($this->repo && $this->getHandler()->supportsBucketing() && isset($params['physicalWidth']) && ($bucket = $this->getThumbnailBucket($params['physicalWidth']))) {
if ($this->getWidth() != 0) {
$bucketHeight = round($this->getHeight() * ($bucket / $this->getWidth()));
} else {
$bucketHeight = 0;
}
// Try to avoid reading from storage if the file was generated by this script
if (isset($this->tmpBucketedThumbCache[$bucket])) {
$tmpPath = $this->tmpBucketedThumbCache[$bucket];
if (file_exists($tmpPath)) {
return array('path' => $tmpPath, 'width' => $bucket, 'height' => $bucketHeight);
}
}
$bucketPath = $this->getBucketThumbPath($bucket);
if ($this->repo->fileExists($bucketPath)) {
$fsFile = $this->repo->getLocalReference($bucketPath);
if ($fsFile) {
return array('path' => $fsFile->getPath(), 'width' => $bucket, 'height' => $bucketHeight);
}
}
}
// Thumbnailing a very large file could result in network saturation if
// everyone does it at once.
if ($this->getSize() >= 10000000.0) {
// 10MB
$that = $this;
$work = new PoolCounterWorkViaCallback('GetLocalFileCopy', sha1($this->getName()), array('doWork' => function () use($that) {
return $that->getLocalRefPath();
}));
$srcPath = $work->execute();
} else {
$srcPath = $this->getLocalRefPath();
}
// Original file
return array('path' => $srcPath, 'width' => $this->getWidth(), 'height' => $this->getHeight());
}
/**
* Returns the most appropriate source image for the thumbnail, given a target thumbnail size
* @param array $params
* @return array Source path and width/height of the source
*/
public function getThumbnailSource($params)
{
if ($this->repo && $this->getHandler()->supportsBucketing() && isset($params['physicalWidth']) && ($bucket = $this->getThumbnailBucket($params['physicalWidth']))) {
if ($this->getWidth() != 0) {
$bucketHeight = round($this->getHeight() * ($bucket / $this->getWidth()));
} else {
$bucketHeight = 0;
}
// Try to avoid reading from storage if the file was generated by this script
if (isset($this->tmpBucketedThumbCache[$bucket])) {
$tmpPath = $this->tmpBucketedThumbCache[$bucket];
if (file_exists($tmpPath)) {
return array('path' => $tmpPath, 'width' => $bucket, 'height' => $bucketHeight);
}
}
$bucketPath = $this->getBucketThumbPath($bucket);
if ($this->repo->fileExists($bucketPath)) {
$fsFile = $this->repo->getLocalReference($bucketPath);
if ($fsFile) {
return array('path' => $fsFile->getPath(), 'width' => $bucket, 'height' => $bucketHeight);
}
}
}
// Original file
return array('path' => $this->getLocalRefPath(), 'width' => $this->getWidth(), 'height' => $this->getHeight());
}
