iot sensor finished

1)with validation on front and backend
2)fixed seed route generating value 0 for data

IoT-sensor/Database/locationModel.js

@@ -0,0 +1,75 @@
+"use strict";
+const { Sequelize, DataTypes } = require("sequelize");
+const { sequelize } = require("./mySQL");
+const { isAlphaNumericwithSpaces } = require('../../Web-Server/functions/validateData')
+
+//sequelize.sync();
+const locationModel = sequelize.define(
+	"location",
+	{
+		id: {
+			type: DataTypes.INTEGER,
+			allowNull: true,
+			primaryKey: true,
+            autoIncrement: true,
+			validate: {
+				isNumeric: true,
+			},
+		},
+		name: {
+			type: DataTypes.STRING,
+			allowNull: false,
+			length: 10,
+			unique: true,
+			validate: {
+				notEmpty: true,
+				len: [1, 20],
+				//accept only alphanumeric and spaces
+				isAlphaNumericwithSpaces(value){
+					if(!isAlphaNumericwithSpaces(value)){
+						throw new Error('Invalid characters in name')
+					}
+				}									
+				},
+		},
+		added_by: {
+			type: DataTypes.STRING,
+			allowNull: false,
+			length: 10,
+			validate: {
+				notEmpty: true,
+				len: [1, 20],			
+				is: ["^[a-z0-9]+$", "i"],
+				isIn: [['admin', 'system' , 'Admin', 'System']],  
+			},
+		},
+		description: {
+			type: DataTypes.STRING,
+			allowNull: true,
+			length: 100,
+			validate: {
+				notEmpty: true,
+				len: [1, 100],
+				/*
+				//will not validate this and fail it
+				"hello@123" (contains a symbol)
+				"" (empty string)
+				*/				
+				is: ["^[a-zA-Z0-9 ]+$", "i"]
+			},
+		},
+		createdAt: {
+			type: DataTypes.DATE,
+			allowNull: true,
+		},
+		updatedAt: {
+			type: DataTypes.DATE,
+			allowNull: true,
+		},
+	},
+	{
+		timestamps: true,
+	}
+);
+
+module.exports = { locationModel };

IoT-sensor/Database/mySQL.js

@@ -0,0 +1,34 @@
+const dotenv = require("dotenv");
+const path = require('path')
+require('dotenv').config({ path: path.resolve(__dirname, '../../.env') })
+const Sequelize = require("sequelize");
+const fs = require('fs');
+
+const sequelize = new Sequelize(
+ "eco_saver",
+ process.env.DB_USER,
+ process.env.DB_PASS,
+ {
+    host: "mpsqldatabase.mysql.database.azure.com",
+    dialect: 'mysql',
+    //  attributeBehavior?: 'escape' | 'throw' | 'unsafe-legacy';
+    attributeBehavior: 'escape',
+    dialectOptions: {
+      ssl: {
+         ca: fs.readFileSync(path.resolve(__dirname, '../../cert/DigiCertGlobalRootCA.crt.pem')),
+      },
+
+    },
+   },
+
+   
+);
+
+sequelize.authenticate().then(() => {
+   console.log('Connection has been established successfully.');
+}).catch((error) => {
+   console.error('Unable to connect to the database: ', error);
+});
+
+module.exports = { sequelize };
+

IoT-sensor/Database/sensorModel.js

@@ -0,0 +1,110 @@
+"use strict";
+const { Sequelize, DataTypes } = require("sequelize");
+const { sequelize } = require("./mySQL");
+const { locationModel } = require("./locationModel");
+const {
+	isAlphaNumericwithSpaces,
+	isAlphaNumericWithSpacesAndDash,
+	isMacAddress,
+} = require("../../Web-Server/functions/validateData");
+
+//sequelize.sync();
+const sensorModel = sequelize.define(
+	"sensors",
+	{
+		id: {
+			type: DataTypes.INTEGER,
+			allowNull: true,
+			primaryKey: true,
+			autoIncrement: true,
+			unique: true,
+			validate: {
+				notEmpty: true,
+				isNumeric: true,
+			},
+		},
+		name: {
+			type: DataTypes.STRING,
+			allowNull: false,
+			length: 10,
+			unique: true,
+			validate: {
+				notEmpty: true,
+				len: [1, 30],
+				//accept only alphanumeric and spaces
+				isAlphaNumericWithSpacesAndDash(value) {
+					if (!isAlphaNumericWithSpacesAndDash(value)) {
+						throw new Error("Invalid characters in name");
+					}
+				},
+			},
+		},
+		added_by: {
+			type: DataTypes.STRING,
+			allowNull: false,
+			length: 10,
+			validate: {
+				notEmpty: { msg: "Added by cannot be empty" },
+				len: [1, 20],
+				is: ["^[a-z0-9]+$", "i"],
+				isIn: [["admin", "system", "Admin", "System"]],
+			},
+		},
+		mac_address: {
+			type: DataTypes.STRING,
+			allowNull: false,
+			length: 12,
+			unique: true,
+			validate: {
+				notEmpty: true,
+				len: [12, 18],
+				isMacAddress(value) {
+					if (!isMacAddress(value)) {
+						throw new Error("Invalid Mac Address");
+					}
+				},
+			},
+		},
+		description: {
+			type: DataTypes.STRING,
+			allowNull: true,
+			length: 100,
+			validate: {
+				notEmpty: true,
+				len: [1, 100],
+				isAlphaNumericwithSpaces(value) {
+					if (!isAlphaNumericwithSpaces(value)) {
+						throw new Error("Invalid characters in name");
+					}
+				},
+			},
+		},
+		locationid: {
+			type: DataTypes.INTEGER,
+			allowNull: true,
+			length: 100,
+			//one to many relationship
+			references: {
+				model: locationModel,
+				key: "id",
+			},
+			validate: {
+				notEmpty: true,
+				isNumeric: true,
+			},
+		},
+		createdAt: {
+			type: DataTypes.DATE,
+			allowNull: true,
+		},
+		updatedAt: {
+			type: DataTypes.DATE,
+			allowNull: true,
+		},
+	},
+	{
+		timestamps: true,
+	}
+);
+
+module.exports = { sensorModel };