create-uploads-dir

#!/usr/bin/env php
<?php

declare(strict_types=1);

use Doctrine\ORM\EntityManager;
use Light\Blog\Entity\Post;

chdir(__DIR__ . '/../');

require 'vendor/autoload.php';

$templatesDir = 'src/Blog/templates/page/blog-resource';
$uploadsDir   = 'public/uploads';
$articleDir   = $uploadsDir . '/article';
$limit        = null;

if (isset($argv[1])) {
    if (! ctype_digit($argv[1]) || (int) $argv[1] < 1) {
        fwrite(STDERR, sprintf("Invalid file limit '%s'. Expected a positive integer.%s", $argv[1], PHP_EOL));
        exit(1);
    }
    $limit = (int) $argv[1];
}

if (! is_dir($templatesDir)) {
    fwrite(STDERR, sprintf("Directory '%s' not found%s", $templatesDir, PHP_EOL));
    exit(1);
}

$container      = require 'config/container.php';
$entityManager  = $container->get(EntityManager::class);
$postRepository = $entityManager->getRepository(Post::class);

/**
 * Index every file currently under public/uploads (excluding the
 * uploads/article destination tree) by basename, so we can locate the
 * source file for each image referenced from a template.
 *
 * @return array<string, string>
 */
function indexUploadSources(string $uploadsDir, string $articleDir): array
{
    $index = [];

    $iterator = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($uploadsDir, FilesystemIterator::SKIP_DOTS)
    );

    foreach ($iterator as $file) {
        if (! $file->isFile()) {
            continue;
        }

        $path = $file->getPathname();
        if (str_starts_with($path, $articleDir . '/')) {
            continue;
        }

        $basename = $file->getFilename();
        if (! isset($index[$basename])) {
            $index[$basename] = $path;
        }
    }

    return $index;
}

$sourceIndex = indexUploadSources($uploadsDir, $articleDir);

// Matches the filename in: asset('uploads/article/' ~ article.id ~ '/filename.ext')
$pattern = '/~\s*article\.id\s*~\s*\'\/([^\']+)\'/';

$filesProcessed = 0;
$dirsCreated    = 0;
$imagesCopied   = 0;
$imagesMissing  = 0;

$templateIterator = new RecursiveIteratorIterator(
    new RecursiveDirectoryIterator($templatesDir, FilesystemIterator::SKIP_DOTS)
);

foreach ($templateIterator as $file) {
    if ($limit !== null && $filesProcessed >= $limit) {
        break;
    }

    if (! $file->isFile() || $file->getExtension() !== 'twig') {
        continue;
    }

    $path     = $file->getPathname();
    $slug     = preg_replace('/\.html\.twig$/', '', $file->getFilename());
    $contents = file_get_contents($path);
    if ($contents === false) {
        continue;
    }

    preg_match_all($pattern, $contents, $matches);
    $filenames = array_unique($matches[1] ?? []);
    if ($filenames === []) {
        continue;
    }

    $post = $postRepository->findOneBy(['slug' => $slug]);
    if ($post === null) {
        printf("No Post found for slug '%s' (%s), skipping%s", $slug, $path, PHP_EOL);
        continue;
    }

    $filesProcessed++;

    $targetDir = $articleDir . '/' . $post->getId()->toString();
    if (! is_dir($targetDir)) {
        if (! mkdir($targetDir, 0775, true) && ! is_dir($targetDir)) {
            fwrite(STDERR, sprintf("Failed to create directory '%s'%s", $targetDir, PHP_EOL));
            continue;
        }
        $dirsCreated++;
    }

    foreach ($filenames as $filename) {
        $targetPath = $targetDir . '/' . $filename;
        if (file_exists($targetPath)) {
            continue;
        }

        if (! isset($sourceIndex[$filename])) {
            printf("Source image '%s' not found for %s%s", $filename, $path, PHP_EOL);
            $imagesMissing++;
            continue;
        }

        if (! copy($sourceIndex[$filename], $targetPath)) {
            fwrite(STDERR, sprintf("Failed to copy '%s' to '%s'%s", $sourceIndex[$filename], $targetPath, PHP_EOL));
            continue;
        }

        $imagesCopied++;
    }
}

printf(
    "Done. %d template%s processed, %d director%s created, %d image%s copied, %d missing.%s",
    $filesProcessed,
    $filesProcessed === 1 ? '' : 's',
    $dirsCreated,
    $dirsCreated === 1 ? 'y' : 'ies',
    $imagesCopied,
    $imagesCopied === 1 ? '' : 's',
    $imagesMissing,
    PHP_EOL
);