forked from leftypol/leftypol
89 lines
2.3 KiB
PHP
89 lines
2.3 KiB
PHP
<?php
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namespace Vichan\Service\Media;
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use Vichan\Data\{MediaInstallResult, ThumbGenerationResult};
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use Vichan\Functions\Metadata;
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class FallbackMediaHandler implements MediaHandler {
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use MediaHandlerTrait;
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private string $path;
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private int $width;
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private int $height;
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private string $mime;
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private static function getShape(string $file_path) {
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$ret = \getimagesize($file_path);
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if ($ret === false) {
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throw new MediaException("Could not read image sizes of '$file_path'", MediaException::ERR_NO_OPEN);
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}
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if ($ret[2] == \IMAGETYPE_UNKNOWN) {
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throw new \RuntimeException("Error '$file_path' is not an image", MediaException::ERR_BAD_MEDIA_TYPE);
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}
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$width = $ret[0];
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$height = $ret[1];
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$mime = $ret['mime'];
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return [ $width, $height, $mime ];
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}
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public function __construct(string $default_thumb_path) {
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list($width, $height, $mime) = self::getShape($default_thumb_path);
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$this->path = $default_thumb_path;
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$this->width = $width;
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$this->height = $height;
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$this->mime = $mime;
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}
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public function supportsMime(string $mime): bool {
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return true;
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}
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public function openHandle(string $file_path, string $file_mime, int $file_kind): mixed {
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return [ $file_path, $file_mime, $file_kind ];
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}
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public function closeHandle(mixed $handle) {
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// No-op
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}
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public function installMediaAndGenerateThumb(
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mixed $handle,
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string $media_preferred_out_file_basepath,
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string $thumb_preferred_out_file_basepath,
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string $thumb_preferred_out_mime,
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int $thumb_max_width,
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int $thumb_max_height
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): MediaInstallResult {
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list($source_file_path, $source_file_mime, $source_file_kind) = $handle;
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$out_path = $media_preferred_out_file_basepath . '.' . Metadata\mime_to_ext($source_file_mime);
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$this->move_or_link_or_copy($source_file_kind, $source_file_path, $out_path);
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$thumb = $this->generateThumb(
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$handle,
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$thumb_preferred_out_file_basepath,
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$thumb_preferred_out_mime,
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$thumb_max_width,
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$thumb_max_height
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);
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return new MediaInstallResult($thumb, $out_path);
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}
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public function generateThumb(
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mixed $handle,
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string $preferred_out_file_basepath,
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string $preferred_out_mime,
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int $max_width,
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int $max_height
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): ThumbGenerationResult {
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return new ThumbGenerationResult(
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$this->path,
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$this->mime,
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\min($this->width, $max_width),
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\min($this->height, $max_height)
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);
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}
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}
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