feat: add transit microservice and supervisor dashboard

2026-07-18 18:18:40 +03:00
parent 4aeab5275a
commit f30209b1d7
43 changed files with 3642 additions and 0 deletions
@@ -0,0 +1,40 @@
+// utils/polyline.js — ترميز Google Polyline القياسي (يطابق PolylineUtils.decode في تطبيقات الفلاتر)
+
+export function encodePolyline(points) {
+  let output = ''
+  let prevLat = 0
+  let prevLng = 0
+
+  for (const [lat, lng] of points) {
+    const lat5 = Math.round(lat * 1e5)
+    const lng5 = Math.round(lng * 1e5)
+    output += encodeValue(lat5 - prevLat)
+    output += encodeValue(lng5 - prevLng)
+    prevLat = lat5
+    prevLng = lng5
+  }
+  return output
+}
+
+function encodeValue(value) {
+  let v = value < 0 ? ~(value << 1) : value << 1
+  let output = ''
+  while (v >= 0x20) {
+    output += String.fromCharCode((0x20 | (v & 0x1f)) + 63)
+    v >>= 5
+  }
+  output += String.fromCharCode(v + 63)
+  return output
+}
+
+// هافرسين — مسافة بالمتر بين نقطتين
+export function haversineMeters(lat1, lng1, lat2, lng2) {
+  const R = 6371000
+  const dLat = deg2rad(lat2 - lat1)
+  const dLng = deg2rad(lng2 - lng1)
+  const a =
+    Math.sin(dLat / 2) ** 2 +
+    Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) * Math.sin(dLng / 2) ** 2
+  return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a))
+}
+function deg2rad(d) { return (d * Math.PI) / 180 }