consolidate sketches

libraries/KlubhausCore/src/NetManager.h

@@ -0,0 +1,37 @@
+#pragma once
+#include <Arduino.h>
+#include <WiFi.h>
+#include <WiFiMulti.h>
+#include <WiFiClientSecure.h>
+#include <HTTPClient.h>
+#include <NTPClient.h>
+#include <WiFiUdp.h>
+#include "Config.h"
+
+class NetManager {
+public:
+    void begin(const WiFiCred* creds, int count);
+    bool checkConnection();
+    bool isConnected();
+
+    String getSSID();
+    String getIP();
+    int    getRSSI();
+
+    bool   syncNTP();
+    String getTimeStr();
+
+    bool dnsCheck(const char* host);
+    bool tlsCheck(const char* host);
+
+    /// HTTPS GET; writes body into `response`. Returns HTTP status code.
+    int httpGet(const char* url, String& response);
+    /// HTTPS POST with text/plain body. Returns HTTP status code.
+    int httpPost(const char* url, const String& body);
+
+private:
+    WiFiMulti   _multi;
+    WiFiUDP     _udp;
+    NTPClient*  _ntp      = nullptr;
+    bool        _ntpReady = false;
+};