api/customer

src/main/kotlin/com/aitrainer/api/controller/CustomerController.kt

@@ -0,0 +1,44 @@
+package com.aitrainer.api.controller
+
+import com.aitrainer.api.model.Customer
+import com.aitrainer.api.repository.CustomerRepository
+import org.springframework.http.HttpStatus
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.*
+import java.util.*
+import javax.validation.Valid
+
+@RestController
+@RequestMapping("/api")
+class CustomerController ( private val customerRepository: CustomerRepository ) {
+    
+    @GetMapping("/customers")
+    fun getAllCustomers(): List<Customer> =
+            customerRepository.findAll()
+
+    @PostMapping("/customers")
+    fun createNewArticle(@Valid @RequestBody customer: Customer): Customer =
+            customerRepository.save(customer)
+
+    @GetMapping("/customers/{id}")
+    fun getCustomerById(@PathVariable(value = "id") customerId: Long): ResponseEntity<Customer> {
+        return customerRepository.findById(customerId).map { customer -> 
+            ResponseEntity.ok(customer)
+        }.orElse(ResponseEntity.notFound().build())
+    }            
+
+    @PutMapping("/customers/{id}")
+    fun updateCustomerById(@PathVariable(value = "id") customerId: Long,
+                          @Valid @RequestBody newCustomer: Customer): ResponseEntity<Customer> {
+
+        return customerRepository.findById(customerId).map { existingCustomer ->
+            val updatedCustomer: Customer = existingCustomer
+                    .copy(name = newCustomer.name, 
+                        firstname = newCustomer.firstname,
+                        sex = newCustomer.sex,
+                        age = newCustomer.age)
+            ResponseEntity.ok().body(customerRepository.save(updatedCustomer))
+        }.orElse(ResponseEntity.notFound().build())
+
+    }
+}