backend validation wip

Database/model/locationModel.js

@@ -11,21 +11,60 @@ const locationModel = sequelize.define(
 			allowNull: true,
 			primaryKey: true,
             autoIncrement: true,
+			validator: {
+				isNumeric: true,
+			},
 		},
 		name: {
 			type: DataTypes.STRING,
 			allowNull: false,
 			length: 10,
+			validator: {
+				notEmpty: { msg: "Name cannot be empty" },
+				len: [1, 20],
+				/*
+				//will not validate this and fail it
+				"hello world" (contains a space)
+				"hello@123" (contains a symbol)
+				"" (empty string)
+
+				*/
+				is: ["^[a-z0-9]+$", "i"]
+			},
 		},
 		added_by: {
 			type: DataTypes.STRING,
 			allowNull: false,
 			length: 10,
+			validator: {
+				notEmpty: { msg: "Added by cannot be empty" },
+				len: [1, 20],
+				/*
+				//will not validate this and fail it
+				"hello world" (contains a space)
+				"hello@123" (contains a symbol)
+				"" (empty string)
+
+				*/				
+				is: ["^[a-z0-9]+$", "i"]
+			},
 		},
 		description: {
 			type: DataTypes.STRING,
 			allowNull: true,
 			length: 100,
+			validator: {
+				notEmpty: { msg: "Description cannot be empty" },
+				len: [1, 100],
+				/*
+				//will not validate this and fail it
+				"hello world" (contains a space)
+				"hello@123" (contains a symbol)
+				"" (empty string)
+
+				*/				
+				is: ["^[a-z0-9]+$", "i"]
+			},
 		},
 		createdAt: {
 			type: DataTypes.DATE,