backend should work next WorkerNode

SQLHandler/SQLconnect.py

@@ -1,10 +1,10 @@
 # This file contains the function to connect to a secified database.
 import json
-import mysql.connector
-
+import mariadb
+import sys
 
 # Open the config file and readout the data
-with open('C:\Users\Nico\Desktop\Gitea\PlantSensorAPI\SQLHandler\config.json', 'r') as file:
+with open(r'C:\Users\Nico\Desktop\Gitea\PlantSensorAPI\SQLHandler\config.json', 'r') as file:
     data = file.read()
     config = json.loads(data)
 
@@ -16,11 +16,15 @@ def createConnection(configuration):
     :param configuration: This specifies which configuration should be used
     :return: It returns the database connection
     """
-    connection = mysql.connector.connect(
-        host=config[configuration]["host"],
-        user=config[configuration]["user"],
-        password=decryption.decryptKey(config[configuration]["passwd"]),
-        database=config[configuration]["dbname"],
+    try:
+        connection = mariadb.connect(
+            host=config["host"],
+            user=config["user"],
+            password=config["passwd"],
+            database=config["dbname"],
             autocommit=True
         )
+    except mariadb.Error as e:
+        print(f"Error connecting to MariaDB Platform: {e}")
+        sys.exit(1)
     return connection

WorkerNode/NodeMCWifi/NodeMCWifi.ino

@@ -0,0 +1,84 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266HTTPClient.h>
+#include <WiFiClient.h>
+
+const char* ssid = "Andy";
+const char* password = "AndyNicoChiara";
+
+const char* serverName = "http://192.168.178.154/sensordata";
+
+// the following variables are unsigned longs because the time, measured in
+// milliseconds, will quickly become a bigger number than can be stored in an int.
+unsigned long lastTime = 0;
+// Timer set to 10 minutes (600000)
+//unsigned long timerDelay = 600000;
+// Set timer to 5 seconds (5000)
+unsigned long timerDelay = 5000;
+
+// Moisture sensor variables
+int sense_Pin = 0; // sensor input at Analog pin A0
+int value = 0;
+
+void setup() {
+   Serial.begin(9600);
+   delay(2000);
+   WiFi.begin(ssid, password);
+   Serial.println("Connecting");
+   while(WiFi.status() != WL_CONNECTED) {
+     delay(500);
+     Serial.print(".");
+   }
+   Serial.println("");
+   Serial.print("Connected to WiFi network with IP Address: ");
+   Serial.println(WiFi.localIP());
+ 
+   Serial.println("Timer set to 5 seconds (timerDelay variable), it will take 5 seconds before publishing the first reading.");
+}
+
+
+void loop() {
+
+Serial.print("MOISTURE LEVEL : ");
+value= analogRead(sense_Pin);
+/*value= value/10;*/
+Serial.println(value);
+delay(1000);
+
+
+
+if ((millis() - lastTime) > timerDelay) {
+    //Check WiFi connection status
+    if(WiFi.status()== WL_CONNECTED){
+      WiFiClient client;
+      HTTPClient http;
+      
+      // Your Domain name with URL path or IP address with path
+      http.begin(client, serverName);
+  
+      // Specify content-type header
+      http.addHeader("Content-Type", "application/x-www-form-urlencoded");
+      // Data to send with HTTP POST
+      String httpRequestData = "moisture=" + value;           
+      // Send HTTP POST request
+      int httpResponseCode = http.POST(httpRequestData);
+      
+      // If you need an HTTP request with a content type: application/json, use the following:
+      //http.addHeader("Content-Type", "application/json");
+      //int httpResponseCode = http.POST("{\"api_key\":\"tPmAT5Ab3j7F9\",\"sensor\":\"BME280\",\"value1\":\"24.25\",\"value2\":\"49.54\",\"value3\":\"1005.14\"}");
+
+      // If you need an HTTP request with a content type: text/plain
+      //http.addHeader("Content-Type", "text/plain");
+      //int httpResponseCode = http.POST("Hello, World!");
+     
+      Serial.print("HTTP Response code: ");
+      Serial.println(httpResponseCode);
+        
+      // Free resources
+      http.end();
+    }
+    else {
+      Serial.println("WiFi Disconnected");
+    }
+    lastTime = millis();
+  }
+}