Initial commit mit MkDocs-Dokumentation

backend/src/utils/progressParsers.js

@@ -0,0 +1,72 @@
+function clampPercent(value) {
+  if (Number.isNaN(value) || value === Infinity || value === -Infinity) {
+    return null;
+  }
+
+  return Math.max(0, Math.min(100, Number(value.toFixed(2))));
+}
+
+function parseGenericPercent(line) {
+  const match = line.match(/(\d{1,3}(?:\.\d+)?)\s?%/);
+  if (!match) {
+    return null;
+  }
+
+  return clampPercent(Number(match[1]));
+}
+
+function parseEta(line) {
+  const etaMatch = line.match(/ETA\s+([0-9:.hms-]+)/i);
+  if (!etaMatch) {
+    return null;
+  }
+
+  const value = etaMatch[1].trim();
+  if (!value || value.includes('--')) {
+    return null;
+  }
+
+  return value.replace(/[),.;]+$/, '');
+}
+
+function parseMakeMkvProgress(line) {
+  const prgv = line.match(/PRGV:(\d+),(\d+),(\d+)/);
+  if (prgv) {
+    const a = Number(prgv[1]);
+    const b = Number(prgv[2]);
+    const c = Number(prgv[3]);
+
+    if (c > 0) {
+      return { percent: clampPercent((a / c) * 100), eta: null };
+    }
+
+    if (b > 0) {
+      return { percent: clampPercent((a / b) * 100), eta: null };
+    }
+  }
+
+  const percent = parseGenericPercent(line);
+  if (percent !== null) {
+    return { percent, eta: null };
+  }
+
+  return null;
+}
+
+function parseHandBrakeProgress(line) {
+  const normalized = String(line || '').replace(/\s+/g, ' ').trim();
+  const match = normalized.match(/Encoding:\s*(?:task\s+\d+\s+of\s+\d+,\s*)?(\d+(?:\.\d+)?)\s?%/i);
+  if (match) {
+    return {
+      percent: clampPercent(Number(match[1])),
+      eta: parseEta(normalized)
+    };
+  }
+
+  return null;
+}
+
+module.exports = {
+  parseMakeMkvProgress,
+  parseHandBrakeProgress
+};