REST-API-for-CRM-system

Spring REST - CRUD Database for Customer Relationship Management system.

Steps

1. 1. Create Customer REST Controller
   2. Include @Autowire Customer Service
   3. Add mapping for GET/customers
   4. Add mapping for GET/customers/{customerId}
2. 1. Create a custom error response class
   2. Create a custom exception class
   3. Update REST service to throw exception if customer is not found
   4. Add exception handler methods using @ExceptionHandler
3. Add Customer
4. Update Customer
5. Delete Customer

API points

@RequestMapping("/api")

• @GetMapping("/customers")
• @GetMapping("/customers/{customerId}")
• @PostMapping("/customers")
• @PutMapping("/customers")
• @DeleteMapping("/customers/{customerId}")