Initial Commit

server/watcher.js

@@ -0,0 +1,85 @@
+'use strict';
+const chokidar = require('chokidar');
+const path = require('path');
+const { fullScan, processResultDir } = require('./scanner');
+const { resetByFileIdAndDevice } = require('./db');
+const { broadcast } = require('./sse');
+
+let targetWatcher  = null;
+let resultsWatcher = null;
+
+function debounce(fn, ms) {
+  let timer;
+  return (...args) => {
+    clearTimeout(timer);
+    timer = setTimeout(() => fn(...args), ms);
+  };
+}
+
+function startWatching(targetDir, resultsDir) {
+  stopWatching();
+  if (!targetDir || !resultsDir) return;
+
+  // ── Target dir ────────────────────────────────────────────────────────────
+  // Any change to test files (new cases added or removed) triggers a full
+  // rescan so the test list stays in sync.
+  targetWatcher = chokidar.watch(targetDir, {
+    depth: 1,
+    ignoreInitial: true,
+    awaitWriteFinish: { stabilityThreshold: 500, pollInterval: 100 },
+  });
+
+  const debouncedFullScan = debounce(async () => {
+    await fullScan(targetDir, resultsDir);
+    broadcast({ type: 'update' });
+  }, 1000);
+
+  targetWatcher.on('add',    debouncedFullScan);
+  targetWatcher.on('unlink', debouncedFullScan);
+
+  // ── Results dir ───────────────────────────────────────────────────────────
+  // depth: 1 covers both immediate result subdirectories (addDir/unlinkDir)
+  // and log files inside them (add).
+  resultsWatcher = chokidar.watch(resultsDir, {
+    depth: 1,
+    ignoreInitial: true,
+    awaitWriteFinish: { stabilityThreshold: 2000, pollInterval: 200 },
+  });
+
+  // New result directory → mark test complete
+  resultsWatcher.on('addDir', async (dirPath) => {
+    if (path.normalize(dirPath) === path.normalize(resultsDir)) return;
+    const dirName = path.basename(dirPath);
+    await processResultDir(resultsDir, dirName);
+    broadcast({ type: 'update' });
+  });
+
+  // New log file inside a result directory → update timing
+  resultsWatcher.on('add', async (filePath) => {
+    const dirPath = path.dirname(filePath);
+    if (path.normalize(dirPath) === path.normalize(resultsDir)) return;
+    const dirName = path.basename(dirPath);
+    await processResultDir(resultsDir, dirName);
+    broadcast({ type: 'update' });
+  });
+
+  // Result directory deleted → reset test to pending
+  resultsWatcher.on('unlinkDir', (dirPath) => {
+    if (path.normalize(dirPath) === path.normalize(resultsDir)) return;
+    const dirName = path.basename(dirPath);
+    const segs   = dirName.split(/[_\-]/);
+    const file_id = segs.find(s => /^R\d+[A-Z0-9]+$/i.test(s)) || null;
+    const device  = segs.find(s => /^CGW\d+$/i.test(s))        || null;
+    if (file_id) {
+      resetByFileIdAndDevice(file_id, device);
+      broadcast({ type: 'update' });
+    }
+  });
+}
+
+function stopWatching() {
+  if (targetWatcher)  { targetWatcher.close();  targetWatcher  = null; }
+  if (resultsWatcher) { resultsWatcher.close(); resultsWatcher = null; }
+}
+
+module.exports = { startWatching, stopWatching };