sheldonmlee/photo-viewer-backend
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Store thumbnails based on the hash of original image

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This commit is contained in:
Sheldon Lee 2023-11-18 15:56:05 +08:00
parent a6a4d654d4
commit 737821fa6a
1 changed files with 9 additions and 6 deletions
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15
php/get.php
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@ -65,11 +65,14 @@ function create_thumbnail(string $category, string $file): string | null {
$path = add_seperator_ab("/", $category, $file);
$original_file = ROOT_DIR.IMG_DIR.$path;
$thumbnail_directory = ROOT_DIR.THUMBNAIL_DIR.IMG_DIR.add_seperator_ab("/", $category, "");
$thumbnail_file = $thumbnail_directory.$file;
$hash = hash_file("sha1", $original_file);
$thumbnail_directory = ROOT_DIR.THUMBNAIL_DIR;
$thumbnail_name = "$hash.jpg";
$thumbnail_file = $thumbnail_directory.$thumbnail_name;
if (file_exists($thumbnail_file)) {
log_print("$thumbnail_file exists, skipping generation");
log_print("thumbnail for $original_file exists, skipping generation");
goto return_thumbnail;
}
@ -80,16 +83,16 @@ function create_thumbnail(string $category, string $file): string | null {
log_error($e->getMessage());
}
log_print(THUMBNAIL_SCRIPT." '$original_file' '$thumbnail_file'");
log_print("generating thumbnail for $original_file");
$output = shell_exec(THUMBNAIL_SCRIPT." '$original_file' '$thumbnail_file' 2>&1");
log_print($output);
if ($output) log_print($output);
if ($output === false) {
log_error("Thumbnail failed");
return ROOT_URL.IMG_DIR.$path;
}
return_thumbnail:
return ROOT_URL.THUMBNAIL_DIR.IMG_DIR.$path;
return ROOT_URL.THUMBNAIL_DIR.$thumbnail_name;
}
function add_seperator_ab(string $separator, string $a, string $b): string {