Initial commit mit MkDocs-Dokumentation

backend/src/utils/files.js

@@ -0,0 +1,70 @@
+const fs = require('fs');
+const path = require('path');
+
+function ensureDir(dirPath) {
+  fs.mkdirSync(dirPath, { recursive: true });
+}
+
+function sanitizeFileName(input) {
+  return String(input || 'untitled')
+    .replace(/[\\/:*?"<>|]/g, '_')
+    .replace(/\s+/g, ' ')
+    .trim()
+    .slice(0, 180);
+}
+
+function renderTemplate(template, values) {
+  return String(template || '${title} (${year})').replace(/\$\{([^}]+)\}/g, (_, key) => {
+    const val = values[key.trim()];
+    if (val === undefined || val === null || val === '') {
+      return 'unknown';
+    }
+    return String(val);
+  });
+}
+
+function findLargestMediaFile(dirPath, extensions = ['.mkv', '.mp4']) {
+  const files = findMediaFiles(dirPath, extensions);
+  if (files.length === 0) {
+    return null;
+  }
+
+  return files.reduce((largest, file) => (largest === null || file.size > largest.size ? file : largest), null);
+}
+
+function findMediaFiles(dirPath, extensions = ['.mkv', '.mp4']) {
+  const results = [];
+
+  function walk(current) {
+    const entries = fs.readdirSync(current, { withFileTypes: true });
+    for (const entry of entries) {
+      const abs = path.join(current, entry.name);
+      if (entry.isDirectory()) {
+        walk(abs);
+      } else {
+        const ext = path.extname(entry.name).toLowerCase();
+        if (!extensions.includes(ext)) {
+          continue;
+        }
+
+        const stat = fs.statSync(abs);
+        results.push({
+          path: abs,
+          size: stat.size
+        });
+      }
+    }
+  }
+
+  walk(dirPath);
+  results.sort((a, b) => b.size - a.size || a.path.localeCompare(b.path));
+  return results;
+}
+
+module.exports = {
+  ensureDir,
+  sanitizeFileName,
+  renderTemplate,
+  findLargestMediaFile,
+  findMediaFiles
+};