api/customer

src/main/kotlin/com/aitrainer/api/ApiApplication.kt

@@ -0,0 +1,12 @@
+package com.aitrainer.api
+
+import org.springframework.boot.SpringApplication
+import org.springframework.boot.autoconfigure.SpringBootApplication
+
+@SpringBootApplication
+class ApiApplication {
+}
+
+fun main(args: Array<String>) {
+    SpringApplication.run(ApiApplication::class.java, *args)
+}

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())
+
+    }
+}

src/main/kotlin/com/aitrainer/api/enums/SexEnum.kt

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+package com.aitrainer.api.enums
+
+enum class SexEnum (val sex: String) {
+    MAN ("m"),
+    WOMAN("w")
+}

src/main/kotlin/com/aitrainer/api/model/Customer.kt

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+package com.aitrainer.api.model
+
+import com.aitrainer.api.enums.SexEnum
+
+import javax.persistence.Entity
+import javax.persistence.GeneratedValue
+import javax.persistence.GenerationType
+import javax.persistence.Id
+import javax.validation.constraints.NotBlank
+
+@Entity
+data class Customer (
+        @get: NotBlank
+        val name: String = "",
+        
+        val firstname: String,
+        val email: String,
+        val age: Int,
+        val sex: String,
+        
+        @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
+        val customer_id: Long? = null
+)

src/main/kotlin/com/aitrainer/api/repository/CustomerRepository.kt

@@ -0,0 +1,8 @@
+package com.aitrainer.api.repository
+
+import com.aitrainer.api.model.Customer
+import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.stereotype.Repository
+
+@Repository
+interface CustomerRepository : JpaRepository<Customer, Long>