Common Modules for Error Handling & Middlewares Used in Ticketing Project

Errors

• BadRequestError

  Contains a 400 status code and an arbitrary message

• CustomError

  A base class to contain status code along with message

• DatabaseConnectionError

  Generic error for database connection issues

• NotAuthorizedError

  Contains a 401 status code along with Unauthorized message

• NotFoundError

  Contains a 400 status code along with NotFound message

• RequestValidationError

  To be used with express-validator for validation of incoming requests

Middlewares

• currentUser

  A middleware to extract jwt token from cookie in request header

• errorHandler

  A middleware to return serialized error messages as below:

  {
  	"errors": [
  		{
  			message: "message", 
  			field: "input field"
  		}
  	]
  }

• requireAuth

  A middleware to detect login status

• validateRequest

  A middleware to throw custom errors from validation of user input