Add support for Domoticz MQTT integration (#3359)

* initial changes to add domoticz support

* error correction

* further changes

* further changes

* Refactoring

* further refactoring

* further refactoring

* Update DomoticzTopicIn.md

* Update NUMBER.DomoticzIDX.md

* Update DomoticzTopicIn.md

* Update NUMBER.DomoticzIDX.md

* Update config.ini

* Update edit_config_template.html

* Update edit_config_template.html

* Update edit_config_template.html

* Update DomoticzTopicIn.md

---------

Co-authored-by: CaCO3 <caco3@ruinelli.ch>

code/components/jomjol_mqtt/interface_mqtt.cpp

@@ -34,7 +34,7 @@ bool mqtt_initialized = false;
 bool mqtt_connected = false;
 
 esp_mqtt_client_handle_t client = NULL;
-std::string uri, client_id, lwt_topic, lwt_connected, lwt_disconnected, user, password, maintopic;
+std::string uri, client_id, lwt_topic, lwt_connected, lwt_disconnected, user, password, maintopic, domoticz_in_topic;
 std::string caCert, clientCert, clientKey;
 int keepalive;
 bool SetRetainFlag;
@@ -205,7 +205,7 @@ static void mqtt_event_handler(void *handler_args, esp_event_base_t base, int32_
 
 
 bool MQTT_Configure(std::string _mqttURI, std::string _clientid, std::string _user, std::string _password,
-        std::string _maintopic, std::string _lwt, std::string _lwt_connected, std::string _lwt_disconnected,
+        std::string _maintopic, std::string _domoticz_in_topic, std::string _lwt, std::string _lwt_connected, std::string _lwt_disconnected,
         std::string _cacertfilename, std::string _clientcertfilename, std::string _clientkeyfilename, 
                     int _keepalive, bool _SetRetainFlag, void *_callbackOnConnected) {
     if ((_mqttURI.length() == 0) || (_maintopic.length() == 0) || (_clientid.length() == 0)) 
@@ -222,6 +222,7 @@ bool MQTT_Configure(std::string _mqttURI, std::string _clientid, std::string _us
     keepalive = _keepalive;
     SetRetainFlag = _SetRetainFlag;
     maintopic = _maintopic;
+    domoticz_in_topic = _domoticz_in_topic;
     callbackOnConnected = ( void (*)(std::string, bool) )(_callbackOnConnected);
 
     if (_clientcertfilename.length() && _clientkeyfilename.length()){

code/components/jomjol_mqtt/interface_mqtt.h

@@ -10,7 +10,7 @@
 #include <functional>
 
 bool MQTT_Configure(std::string _mqttURI, std::string _clientid, std::string _user, std::string _password,
-                    std::string _maintopic, std::string _lwt, std::string _lwt_connected, std::string _lwt_disconnected,
+                    std::string _maintopic, std::string _domoticz_in_topic, std::string _lwt, std::string _lwt_connected, std::string _lwt_disconnected,
                     std::string _cacertfilename, std::string _clientcertfilename, std::string _clientkeyfilename, 
                     int _keepalive, bool SetRetainFlag, void *callbackOnConnected);
 int MQTT_Init();

code/components/jomjol_mqtt/server_mqtt.cpp

@@ -32,10 +32,11 @@ std::string rateUnit = "Unit/Minute";
 float roundInterval; // Minutes
 int keepAlive = 0; // Seconds
 bool retainFlag;
-static std::string maintopic;
+static std::string maintopic, domoticzintopic;
 bool sendingOf_DiscoveryAndStaticTopics_scheduled = true; // Set it to true to make sure it gets sent at least once after startup
 
 
+
 void mqttServer_setParameter(std::vector<NumberPost*>* _NUMBERS, int _keepAlive, float _roundInterval) {
     NUMBERS = _NUMBERS;
     keepAlive = _keepAlive;
@@ -367,4 +368,9 @@ std::string mqttServer_getMainTopic() {
     return maintopic;
 }
 
+void mqttServer_setDmoticzInTopic( std::string _domoticzintopic) {
+    domoticzintopic = _domoticzintopic;
+}
+
+
 #endif //ENABLE_MQTT

code/components/jomjol_mqtt/server_mqtt.h

@@ -12,6 +12,9 @@ void mqttServer_setParameter(std::vector<NumberPost*>* _NUMBERS, int interval, f
 void mqttServer_setMeterType(std::string meterType, std::string valueUnit, std::string timeUnit,std::string rateUnit);
 void setMqtt_Server_Retain(bool SetRetainFlag);
 void mqttServer_setMainTopic( std::string maintopic);
+void mqttServer_setDmoticzInTopic( std::string domoticzintopic);
+
+
 std::string mqttServer_getMainTopic();
 
 void register_server_mqtt_uri(httpd_handle_t server);