Fix MQTT Null publish

usermods/seven_segment_display/usermod_v2_seven_segment_display.h

@@ -60,7 +60,6 @@ private:
   static const char _str_subFormat[];
   static const char _str_topicFormat[];
 
-
   unsigned long _overlaySevenSegmentProcess()
   {
     //Do time for now.
@@ -270,19 +269,23 @@ private:
 
   void _publishMQTTint_P(const char *subTopic, int value)
   {
+    if(mqtt == NULL) return;
+      
     char buffer[64];
     char valBuffer[12];
     sprintf_P(buffer, PSTR("%s/sevenSeg/%S"), mqttDeviceTopic, subTopic);
-    Serial.println(buffer);
     sprintf_P(valBuffer, PSTR("%d"), value);
     mqtt->publish(buffer, 2, true, valBuffer);
   }
+
   void _publishMQTTstr_P(const char *subTopic, String Value)
   {
+    if(mqtt == NULL) return;
     char buffer[64];
     sprintf_P(buffer, PSTR("%s/sevenSeg/%S"), mqttDeviceTopic, subTopic);
     mqtt->publish(buffer, 2, true, Value.c_str(), Value.length());
   }
+
   void _updateMQTT()
   {
     _publishMQTTint_P(_str_perSegment, ssLEDPerSegment);
@@ -295,7 +298,9 @@ private:
     _publishMQTTstr_P(_str_displayMask, ssDisplayMask);
     _publishMQTTstr_P(_str_displayMsg, ssDisplayMessage);
   }
-  bool _cmpIntSetting_P(char* topic, char* payload, const char* setting, void* value){
+
+  bool _cmpIntSetting_P(char *topic, char *payload, const char *setting, void *value)
+  {
     if (strcmp_P(topic, setting) == 0)
     {
       *((int *)value) = strtol(payload, NULL, 10);
@@ -304,6 +309,7 @@ private:
     }
     return false;
   }
+
   bool _handleSetting(char *topic, char *payload)
   {
     if (_cmpIntSetting_P(topic, payload, _str_perSegment, &ssLEDPerSegment))
@@ -424,7 +430,6 @@ public:
       //Trim /set and handle it
       topic[topicLen - 4] = '\0';
       _handleSetting(topic, payload);
-     
     }
     return true;
   }
@@ -432,7 +437,8 @@ public:
   void addToConfig(JsonObject &root)
   {
     JsonObject top = root[FPSTR(_str_sevenSeg)];
-      if (top.isNull()) {
+    if (top.isNull())
+    {
       top = root.createNestedObject(FPSTR(_str_sevenSeg));
     }
     top[FPSTR(_str_perSegment)] = ssLEDPerSegment;
@@ -452,7 +458,8 @@ public:
     bool configComplete = !top.isNull();
 
     //if sevenseg section doesn't exist return
-    if(!configComplete) return configComplete;
+    if (!configComplete)
+      return configComplete;
 
     configComplete &= getJsonValue(top[FPSTR(_str_perSegment)], ssLEDPerSegment);
     configComplete &= getJsonValue(top[FPSTR(_str_perPeriod)], ssLEDPerPeriod);
@@ -466,7 +473,6 @@ public:
 
     configComplete &= getJsonValue(top[FPSTR(_str_timeEnabled)], ssTimeEnabled);
     configComplete &= getJsonValue(top[FPSTR(_str_scrollSpd)], ssScrollSpeed);
-
     return configComplete;
   }