Refactor retry handling (#702)

* add NukiRetryHandler

* apply retry wrapper to opener wrapper

* apply retry wrapper to all opener communication

* apply retry wrapper to all lock communication

* remove commented out code

* replace millis() with espMillis() in wrapper classes

src/util/NukiRetryHandler.cpp

@@ -0,0 +1,52 @@
+#include "NukiRetryHandler.h"
+#include "Logger.h"
+
+NukiRetryHandler::NukiRetryHandler(std::string reference, Gpio* gpio, std::vector<uint8_t> pinsCommError, int nrOfRetries, int retryDelay)
+: _reference(reference),
+  _gpio(gpio),
+  _pinsCommError(pinsCommError),
+  _nrOfRetries(nrOfRetries),
+  _retryDelay(retryDelay)
+{
+}
+
+const Nuki::CmdResult NukiRetryHandler::retryComm(std::function<Nuki::CmdResult()> func)
+{
+    Nuki::CmdResult cmdResult = Nuki::CmdResult::Error;
+
+    int retryCount = 0;
+
+    while(retryCount < _nrOfRetries + 1 && cmdResult != Nuki::CmdResult::Success)
+    {
+        cmdResult = func();
+
+        if (cmdResult != Nuki::CmdResult::Success)
+        {
+            setCommErrorPins(HIGH);
+            ++retryCount;
+
+            Log->print(_reference.c_str());
+            Log->print(": Last command failed, retrying after ");
+            Log->print(_retryDelay);
+            Log->print(" milliseconds. Retry ");
+            Log->print(retryCount);
+            Log->print(" of ");
+            Log->println(_nrOfRetries);
+
+            vTaskDelay(_retryDelay / portTICK_PERIOD_MS);
+        }
+    }
+    setCommErrorPins(LOW);
+
+    return cmdResult;
+}
+
+void NukiRetryHandler::setCommErrorPins(const uint8_t& value)
+{
+    for (uint8_t pin : _pinsCommError)
+    {
+        _gpio->setPinOutput(pin, value);
+    }
+}
+
+

src/util/NukiRetryHandler.h

@@ -0,0 +1,22 @@
+#pragma once
+#include <functional>
+#include "NukiDataTypes.h"
+#include "NukiPublisher.h"
+
+class NukiRetryHandler
+{
+public:
+    NukiRetryHandler(std::string reference, Gpio* gpio, std::vector<uint8_t> pinsCommError, int nrOfRetries, int retryDelay);
+
+    const Nuki::CmdResult retryComm(std::function<Nuki::CmdResult ()> func);
+
+
+private:
+    void setCommErrorPins(const uint8_t& value);
+
+    std::string _reference;
+    Gpio* _gpio = nullptr;
+    int _nrOfRetries = 0;
+    int _retryDelay = 0;
+    std::vector<uint8_t> _pinsCommError;
+};