Initial Commit

server/parser.js

@@ -0,0 +1,78 @@
+'use strict';
+
+const INTERFERENCE_TYPES = new Set(['COE', 'P2P', 'P3P']);
+const DIRECTION_TYPES     = new Set(['UL', 'DL', 'BI']);
+
+/**
+ * Parse a TC_WIFI_*.ini filename and its parent directory name into tags.
+ * Returns an object with all tag fields plus id and file_id.
+ */
+function parseFilename(filename, parentDir) {
+  // Strip prefix and extension → full derived ID used as primary key
+  const base = filename.replace(/^TC_WIFI_/, '').replace(/\.ini$/, '');
+  const id = base;
+  const segments = base.split('_');
+
+  // Interference: first segment, fixed enum
+  const interference = INTERFERENCE_TYPES.has(segments[0]) ? segments[0] : null;
+
+  // File ID: segment matching R<digit><ALNUM>+
+  const file_id = segments.find(s => /^R\d+[A-Z0-9]+$/i.test(s)) || null;
+
+  // Device: segment matching CGW<digits>q
+  const device = segments.find(s => /^CGW\d+$/.test(s)) || null;
+
+  // Test Point: segment starting with TPT
+  const test_point = segments.find(s => /^TPT\w+$/.test(s)) || null;
+
+  // RSSI: segment matching RSSI<digits>
+  const rssi = segments.find(s => /^RSSI\d+$/.test(s)) || null;
+
+  // Station: segment matching STA<digits>
+  const station = segments.find(s => /^STA\d+$/.test(s)) || null;
+
+  // Band: segment matching <digit>GHZ
+  const band = segments.find(s => /^\dGHZ$/.test(s)) || null;
+
+  // Channel: segment matching CH<digits>
+  const channel = segments.find(s => /^CH\d+$/.test(s)) || null;
+
+  // Bandwidth: segment matching BW<digits>
+  const bandwidth = segments.find(s => /^BW\d+$/.test(s)) || null;
+
+  // Direction: last segment, fixed enum
+  const lastSeg = segments[segments.length - 1];
+  const direction = DIRECTION_TYPES.has(lastSeg) ? lastSeg : null;
+
+  // Rotation from parent directory name: ROT<digits>
+  const rotation = parentDir
+    ? (parentDir.split('_').find(s => /^ROT\d+$/.test(s)) || null)
+    : null;
+
+  return { id, file_id, interference, device, test_point, rssi, station, band, channel, bandwidth, direction, rotation };
+}
+
+/**
+ * Extract a timestamp from a result log filename.
+ * Matches YYYY-MM-DD-HH-MM or YYYY-MM-DD-HH-MM-SS at the end of the name.
+ * Returns an ISO-ish string (e.g. "2026-05-16T07:30:14") or null.
+ */
+function parseTimestamp(filename) {
+  const match = filename.match(/(\d{4}-\d{2}-\d{2}-\d{2}-\d{2}(?:-\d{2})?)(?:\.\w+)?$/);
+  if (!match) return null;
+  const parts = match[1].split('-');
+  const [year, month, day, hour, minute, second = '00'] = parts;
+  return `${year}-${month}-${day}T${hour}:${minute}:${second}`;
+}
+
+/**
+ * Convert an elapsed time string "H:MM:SS.ffffff" to total seconds.
+ */
+function parseElapsedTime(timeStr) {
+  const match = timeStr.match(/^(\d+):(\d{2}):(\d{2})\.(\d+)$/);
+  if (!match) return null;
+  const [, h, m, s, frac] = match;
+  return parseInt(h) * 3600 + parseInt(m) * 60 + parseInt(s) + parseFloat(`0.${frac}`);
+}
+
+module.exports = { parseFilename, parseTimestamp, parseElapsedTime };