dubeboy

package za.co.dubedivine.groceryapp.controller

import org.springframework.http.HttpStatus
import org.springframework.http.ResponseEntity
import org.springframework.web.bind.annotation.*
import za.co.dubedivine.groceryapp.model.GroceryItem
import za.co.dubedivine.groceryapp.model.responseModel.StatusResponseEntity
import za.co.dubedivine.groceryapp.repository.GroceryItemRepository

@RestController

dubeboy

package za.co.dubedivine.groceryapp.controller

import org.springframework.web.bind.annotation.*

@RestController
@RequestMapping("groceries")
class GroceriesController(private val groceryRepository: GroceryItemRepository) { 

} 

dubeboy

[
    {
        "name": "Beans",
        "id": 1,
        "available": true
    },
    {
        "name": "Eggs",
        "id": 2,
        "available": false

dubeboy

package za.co.dubedivine.groceryapp.model

import javax.persistence.Entity
import javax.persistence.GeneratedValue
import javax.persistence.GenerationType
import javax.persistence.Id

@Entity
data class GroceryItem(var name: String, var isAvailable: Boolean) {

dubeboy

package za.co.dubedivine.groceryapp.repository

import org.springframework.data.repository.CrudRepository
import org.springframework.stereotype.Repository
import za.co.dubedivine.groceryapp.model.GroceryItem

@Repository
interface GroceryItemRepository: CrudRepository<GroceryItem, Long>

dubeboy

    @Query("select g from GroceryItem g where g.isAvailable = ?1")
    fun findItemsByAvailability(availability: Boolean): List<GroceryItem>

dubeboy

    @GetMapping
    fun getGroceriesList(): MutableIterable<GroceryItem> {
        return groceryRepository.findAll()
    }

dubeboy

    @PutMapping
    fun addGroceryItem(@RequestBody groceryItem: GroceryItem): ResponseEntity<StatusResponseEntity<GroceryItem>> {
        val savedItem = groceryRepository.save(groceryItem)
        return ResponseEntity(StatusResponseEntity(
                true,
                "Added new grocery item to your list",
                savedItem
        ), HttpStatus.CREATED)
    }

dubeboy

package za.co.dubedivine.groceryapp.model.responseModel

data class StatusResponseEntity<T>(val status: Boolean, val message: String, val entity: T?)

dubeboy

package za.co.dubedivine.groceryapp.config

import org.springframework.boot.CommandLineRunner
import org.springframework.stereotype.Component
import za.co.dubedivine.groceryapp.model.GroceryItem
import za.co.dubedivine.groceryapp.repository.GroceryItemRepository
import javax.persistence.PrePersist

@Component
class DBHelper(private val groceryRepository: GroceryItemRepository) : CommandLineRunner {