Raspberry Pi

Raspberry Pi/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "Raspberry-Relay-Control",
+  "version": "1.0.0",
+  "description": "Raspberry Pi Code",
+  "main": "server.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node server.js"
+  },
+  "author": "AG & SA",
+  "license": "ISC",
+  "dependencies": {
+    "firebase-admin": "^6.4.0"
+  }
+}

Raspberry Pi/server.js

@@ -0,0 +1,58 @@
+/* Firebase Admin SDK Configuration */
+var admin = require("firebase-admin");
+var fs = require('fs');
+
+const ACTIVATE = "activate";
+const DEACTIVATE = "deactivate";
+const RELAY = "number";
+
+const PATH_TO_RELAYS = {
+	1: "/sys/class/gpio/gpio23/value",
+	2: "/sys/class/gpio/gpio24/value"
+};
+
+var serviceAccount = require("<PATH to Your serviceAccountKey.json File>");
+
+admin.initializeApp({
+	credential: admin.credential.cert(serviceAccount),
+	databaseURL: "<PATH to Your Database URL>"
+});
+
+// Database Init 
+var defaultDatabase = admin.database();
+var ref = defaultDatabase.ref();
+
+// You can retrieve services via the defaultApp variable...
+var defaultDatabase = admin.database();
+var ref = defaultDatabase.ref();
+
+entitiesFromAssistant = {}
+
+var ref = defaultDatabase.ref();
+
+ref.on('value', function (snapshot) {
+	snapshot.forEach(function (childSnapshot) {
+
+		var key = childSnapshot.key;
+		var val = childSnapshot.val();
+
+		entitiesFromAssistant[key] = val;
+
+	}); // snapshot.forEach(function (childSnapshot)
+
+	console.log(entitiesFromAssistant);
+
+	Object.entries(PATH_TO_RELAYS).forEach(([relay, path]) => {
+		if (relay == entitiesFromAssistant[RELAY]) {
+			if (entitiesFromAssistant[ACTIVATE]) {
+				fs.writeFileSync(path, entitiesFromAssistant[ACTIVATE], function (err) {
+					if (err) throw err;
+				}); // fs.writeFileSync
+			} else {
+				fs.writeFileSync(path, entitiesFromAssistant[DEACTIVATE], function (err) {
+					if (err) throw err;
+				}); // fs.writeFileSync
+			} // else
+		} // if (relay == entitiesFromAssistant[RELAY])
+	}); // Object.entries(PATH_TO_RELAYS).forEach
+}); // ref.on('value', function (snapshot)